HDFS-13252. Code refactoring: Remove Diff.ListType.
This commit is contained in:
Tsz-Wo Nicholas Sze
parent
4eeff62f69
commit
ba0da2785d
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@ -588,8 +588,7 @@ class FSDirRenameOp {
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private INode srcChild;
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private INode oldDstChild;
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RenameOperation(FSDirectory fsd, INodesInPath srcIIP, INodesInPath dstIIP)
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throws QuotaExceededException {
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RenameOperation(FSDirectory fsd, INodesInPath srcIIP, INodesInPath dstIIP) {
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this.fsd = fsd;
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this.srcIIP = srcIIP;
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this.dstIIP = dstIIP;
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@ -39,7 +39,6 @@ import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectorySnapshottableFea
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import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature;
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import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature.DirectoryDiffList;
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import org.apache.hadoop.hdfs.server.namenode.snapshot.Snapshot;
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import org.apache.hadoop.hdfs.util.Diff.ListType;
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import org.apache.hadoop.hdfs.util.ReadOnlyList;
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import com.google.common.annotations.VisibleForTesting;
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@ -353,7 +352,7 @@ public class INodeDirectory extends INodeWithAdditionalFields
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// replace the instance in the created list of the diff list
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DirectoryWithSnapshotFeature sf = this.getDirectoryWithSnapshotFeature();
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if (sf != null) {
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sf.getDiffs().replaceChild(ListType.CREATED, oldChild, newChild);
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sf.getDiffs().replaceCreatedChild(oldChild, newChild);
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}
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// update the inodeMap
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@ -746,8 +745,8 @@ public class INodeDirectory extends INodeWithAdditionalFields
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final INode newChild) throws QuotaExceededException {
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DirectoryWithSnapshotFeature sf = getDirectoryWithSnapshotFeature();
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assert sf != null : "Directory does not have snapshot feature";
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sf.getDiffs().removeChild(ListType.DELETED, oldChild);
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sf.getDiffs().replaceChild(ListType.CREATED, oldChild, newChild);
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sf.getDiffs().removeDeletedChild(oldChild);
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sf.getDiffs().replaceCreatedChild(oldChild, newChild);
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addChild(newChild, true, Snapshot.CURRENT_STATE_ID);
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}
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@ -761,8 +760,7 @@ public class INodeDirectory extends INodeWithAdditionalFields
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int latestSnapshotId) throws QuotaExceededException {
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DirectoryWithSnapshotFeature sf = getDirectoryWithSnapshotFeature();
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assert sf != null : "Directory does not have snapshot feature";
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boolean removeDeletedChild = sf.getDiffs().removeChild(ListType.DELETED,
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deletedChild);
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boolean removeDeletedChild = sf.getDiffs().removeDeletedChild(deletedChild);
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int sid = removeDeletedChild ? Snapshot.CURRENT_STATE_ID : latestSnapshotId;
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final boolean added = addChild(deletedChild, true, sid);
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// update quota usage if adding is successfully and the old child has not
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@ -126,10 +126,6 @@ public abstract class INodeReference extends INode {
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return referred;
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}
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public final void setReferredINode(INode referred) {
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this.referred = referred;
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}
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@Override
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public final boolean isReference() {
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return true;
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@ -44,7 +44,6 @@ import org.apache.hadoop.hdfs.server.namenode.INodeReference.WithCount;
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import org.apache.hadoop.hdfs.server.namenode.INodeReference.WithName;
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import org.apache.hadoop.hdfs.server.namenode.INodesInPath;
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import org.apache.hadoop.hdfs.server.namenode.LeaseManager;
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import org.apache.hadoop.hdfs.util.Diff.ListType;
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import org.apache.hadoop.hdfs.util.ReadOnlyList;
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import org.apache.hadoop.security.AccessControlException;
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import org.apache.hadoop.util.Time;
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@ -396,7 +395,7 @@ public class DirectorySnapshottableFeature extends DirectoryWithSnapshotFeature
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.getId());
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for (INode child : children) {
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final byte[] name = child.getLocalNameBytes();
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boolean toProcess = diff.searchIndex(ListType.DELETED, name) < 0;
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boolean toProcess = !diff.containsDeleted(name);
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if (!toProcess && child instanceof INodeReference.WithName) {
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byte[][] renameTargetPath = findRenameTargetPath(
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snapshotDir, (WithName) child,
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@ -476,7 +475,7 @@ public class DirectorySnapshottableFeature extends DirectoryWithSnapshotFeature
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}
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iterate = true;
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level = level + 1;
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boolean toProcess = diff.searchIndex(ListType.DELETED, name) < 0;
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boolean toProcess = !diff.containsDeleted(name);
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if (!toProcess && child instanceof INodeReference.WithName) {
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byte[][] renameTargetPath = findRenameTargetPath(snapshotDir,
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(WithName) child, Snapshot.getSnapshotId(later));
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@ -17,38 +17,22 @@
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*/
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package org.apache.hadoop.hdfs.server.namenode.snapshot;
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import java.io.DataOutput;
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import java.io.IOException;
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import java.util.ArrayDeque;
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import java.util.Deque;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import com.google.common.base.Preconditions;
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import org.apache.hadoop.classification.InterfaceAudience;
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import org.apache.hadoop.hdfs.protocol.QuotaExceededException;
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import org.apache.hadoop.hdfs.server.blockmanagement.BlockStoragePolicySuite;
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import org.apache.hadoop.hdfs.server.namenode.AclStorage;
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import org.apache.hadoop.hdfs.server.namenode.ContentCounts;
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import org.apache.hadoop.hdfs.server.namenode.ContentSummaryComputationContext;
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import org.apache.hadoop.hdfs.server.namenode.FSImageSerialization;
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import org.apache.hadoop.hdfs.server.namenode.INode;
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import org.apache.hadoop.hdfs.server.namenode.INodeDirectory;
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import org.apache.hadoop.hdfs.server.namenode.INodeDirectoryAttributes;
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import org.apache.hadoop.hdfs.server.namenode.INodeFile;
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import org.apache.hadoop.hdfs.server.namenode.INodeReference;
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import org.apache.hadoop.hdfs.server.namenode.QuotaCounts;
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import org.apache.hadoop.hdfs.server.namenode.*;
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import org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotFSImageFormat.ReferenceMap;
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import org.apache.hadoop.hdfs.util.Diff;
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import org.apache.hadoop.hdfs.util.Diff.Container;
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import org.apache.hadoop.hdfs.util.Diff.ListType;
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import org.apache.hadoop.hdfs.util.Diff.UndoInfo;
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import org.apache.hadoop.hdfs.util.ReadOnlyList;
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import com.google.common.base.Preconditions;
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import org.apache.hadoop.security.AccessControlException;
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import java.io.DataOutput;
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import java.io.IOException;
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import java.util.*;
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import static org.apache.hadoop.hdfs.server.namenode.snapshot.Snapshot.NO_SNAPSHOT_ID;
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/**
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@ -70,56 +54,43 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
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}
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/**
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* Replace the given child from the created/deleted list.
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* Replace the given child from the created list.
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* @return true if the child is replaced; false if the child is not found.
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*/
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private boolean replace(final ListType type,
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final INode oldChild, final INode newChild) {
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final List<INode> list = getList(type);
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private boolean replaceCreated(final INode oldChild, final INode newChild) {
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final List<INode> list = getCreatedUnmodifiable();
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final int i = search(list, oldChild.getLocalNameBytes());
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if (i < 0 || list.get(i).getId() != oldChild.getId()) {
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return false;
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}
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final INode removed = list.set(i, newChild);
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final INode removed = setCreated(i, newChild);
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Preconditions.checkState(removed == oldChild);
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return true;
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}
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private boolean removeChild(ListType type, final INode child) {
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final List<INode> list = getList(type);
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final int i = searchIndex(type, child.getLocalNameBytes());
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if (i >= 0 && list.get(i) == child) {
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list.remove(i);
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return true;
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}
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return false;
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}
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/** clear the created list */
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private void destroyCreatedList(INode.ReclaimContext reclaimContext,
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final INodeDirectory currentINode) {
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final List<INode> createdList = getList(ListType.CREATED);
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for (INode c : createdList) {
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for (INode c : getCreatedUnmodifiable()) {
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c.destroyAndCollectBlocks(reclaimContext);
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// c should be contained in the children list, remove it
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currentINode.removeChild(c);
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}
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createdList.clear();
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clearCreated();
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}
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/** clear the deleted list */
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private void destroyDeletedList(INode.ReclaimContext reclaimContext) {
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final List<INode> deletedList = getList(ListType.DELETED);
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for (INode d : deletedList) {
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for (INode d : getDeletedUnmodifiable()) {
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d.destroyAndCollectBlocks(reclaimContext);
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}
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deletedList.clear();
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clearDeleted();
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}
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/** Serialize {@link #created} */
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private void writeCreated(DataOutput out) throws IOException {
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final List<INode> created = getList(ListType.CREATED);
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final List<INode> created = getCreatedUnmodifiable();
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out.writeInt(created.size());
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for (INode node : created) {
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// For INode in created list, we only need to record its local name
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@ -132,7 +103,7 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
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/** Serialize {@link #deleted} */
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private void writeDeleted(DataOutput out,
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ReferenceMap referenceMap) throws IOException {
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final List<INode> deleted = getList(ListType.DELETED);
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final List<INode> deleted = getDeletedUnmodifiable();
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out.writeInt(deleted.size());
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for (INode node : deleted) {
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FSImageSerialization.saveINode2Image(node, out, true, referenceMap);
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@ -148,7 +119,7 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
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/** Get the list of INodeDirectory contained in the deleted list */
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private void getDirsInDeleted(List<INodeDirectory> dirList) {
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for (INode node : getList(ListType.DELETED)) {
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for (INode node : getDeletedUnmodifiable()) {
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if (node.isDirectory()) {
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dirList.add(node.asDirectory());
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}
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@ -347,24 +318,24 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
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}
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/** Replace the given child in the created/deleted list, if there is any. */
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public boolean replaceChild(final ListType type, final INode oldChild,
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public boolean replaceCreatedChild(final INode oldChild,
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final INode newChild) {
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final DiffList<DirectoryDiff> diffList = asList();
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for(int i = diffList.size() - 1; i >= 0; i--) {
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final ChildrenDiff diff = diffList.get(i).diff;
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if (diff.replace(type, oldChild, newChild)) {
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if (diff.replaceCreated(oldChild, newChild)) {
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return true;
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}
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}
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return false;
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}
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/** Remove the given child in the created/deleted list, if there is any. */
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public boolean removeChild(final ListType type, final INode child) {
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/** Remove the given child from the deleted list, if there is any. */
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public boolean removeDeletedChild(final INode child) {
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final DiffList<DirectoryDiff> diffList = asList();
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for(int i = diffList.size() - 1; i >= 0; i--) {
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final ChildrenDiff diff = diffList.get(i).diff;
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if (diff.removeChild(type, child)) {
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if (diff.removeDeleted(child)) {
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return true;
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}
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}
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@ -380,11 +351,9 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
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public int findSnapshotDeleted(final INode child) {
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final DiffList<DirectoryDiff> diffList = asList();
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for(int i = diffList.size() - 1; i >= 0; i--) {
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final ChildrenDiff diff = diffList.get(i).diff;
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final int d = diff.searchIndex(ListType.DELETED,
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child.getLocalNameBytes());
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if (d >= 0 && diff.getList(ListType.DELETED).get(d) == child) {
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return diffList.get(i).getSnapshotId();
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final DirectoryDiff diff = diffList.get(i);
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if (diff.getChildrenDiff().containsDeleted(child)) {
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return diff.getSnapshotId();
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}
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}
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return NO_SNAPSHOT_ID;
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@ -442,7 +411,7 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
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DirectoryDiffList diffList = sf.getDiffs();
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DirectoryDiff priorDiff = diffList.getDiffById(prior);
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if (priorDiff != null && priorDiff.getSnapshotId() == prior) {
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List<INode> dList = priorDiff.diff.getList(ListType.DELETED);
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List<INode> dList = priorDiff.diff.getDeletedUnmodifiable();
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excludedNodes = cloneDiffList(dList);
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}
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@ -512,8 +481,8 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
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}
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for (INode child : dir.getChildrenList(prior)) {
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if (priorChildrenDiff != null && priorChildrenDiff.search(
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ListType.DELETED, child.getLocalNameBytes()) != null) {
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if (priorChildrenDiff != null && priorChildrenDiff.getDeleted(
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child.getLocalNameBytes()) != null) {
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continue;
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}
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queue.addLast(child);
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@ -558,12 +527,14 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
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boolean setModTime, int latestSnapshotId) throws QuotaExceededException {
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ChildrenDiff diff = diffs.checkAndAddLatestSnapshotDiff(latestSnapshotId,
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parent).diff;
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int undoInfo = diff.create(inode);
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final boolean added = parent.addChild(inode, setModTime,
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Snapshot.CURRENT_STATE_ID);
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if (!added) {
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diff.undoCreate(inode, undoInfo);
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final int undoInfo = diff.create(inode);
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boolean added = false;
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try {
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added = parent.addChild(inode, setModTime, Snapshot.CURRENT_STATE_ID);
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} finally {
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if (!added) {
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diff.undoCreate(inode, undoInfo);
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}
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}
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return added;
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}
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@ -587,12 +558,14 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
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// any snapshot.
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ChildrenDiff diff = diffs.checkAndAddLatestSnapshotDiff(latestSnapshotId,
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parent).diff;
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UndoInfo<INode> undoInfo = diff.delete(child);
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final boolean removed = parent.removeChild(child);
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if (!removed && undoInfo != null) {
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// remove failed, undo
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diff.undoDelete(child, undoInfo);
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final UndoInfo<INode> undoInfo = diff.delete(child);
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boolean removed = false;
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try {
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removed = parent.removeChild(child);
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} finally {
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if (!removed) {
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diff.undoDelete(child, undoInfo);
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}
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}
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return removed;
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}
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@ -648,7 +621,7 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
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BlockStoragePolicySuite bsps, byte storagePolicyId) {
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final QuotaCounts counts = new QuotaCounts.Builder().build();
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for(DirectoryDiff d : diffs) {
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for(INode deleted : d.getChildrenDiff().getList(ListType.DELETED)) {
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for(INode deleted : d.getChildrenDiff().getDeletedUnmodifiable()) {
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final byte childPolicyId = deleted.getStoragePolicyIDForQuota(
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storagePolicyId);
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counts.add(deleted.computeQuotaUsage(bsps, childPolicyId, false,
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@ -664,7 +637,7 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
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ContentSummaryComputationContext summary =
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new ContentSummaryComputationContext(bsps);
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for(DirectoryDiff d : diffs) {
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for(INode deleted : d.getChildrenDiff().getList(ListType.DELETED)) {
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for(INode deleted : d.getChildrenDiff().getDeletedUnmodifiable()) {
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deleted.computeContentSummary(Snapshot.CURRENT_STATE_ID, summary);
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}
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}
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@ -747,10 +720,8 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
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if (prior != NO_SNAPSHOT_ID) {
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DirectoryDiff priorDiff = this.getDiffs().getDiffById(prior);
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if (priorDiff != null && priorDiff.getSnapshotId() == prior) {
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List<INode> cList = priorDiff.diff.getList(ListType.CREATED);
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List<INode> dList = priorDiff.diff.getList(ListType.DELETED);
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priorCreated = cloneDiffList(cList);
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priorDeleted = cloneDiffList(dList);
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priorCreated = cloneDiffList(priorDiff.diff.getCreatedUnmodifiable());
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priorDeleted = cloneDiffList(priorDiff.diff.getDeletedUnmodifiable());
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}
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}
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@ -770,8 +741,7 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
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// cleanSubtreeRecursively call.
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if (priorCreated != null) {
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// we only check the node originally in prior's created list
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for (INode cNode : priorDiff.getChildrenDiff().getList(
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ListType.CREATED)) {
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for (INode cNode : priorDiff.diff.getCreatedUnmodifiable()) {
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if (priorCreated.containsKey(cNode)) {
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cNode.cleanSubtree(reclaimContext, snapshot, NO_SNAPSHOT_ID);
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}
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@ -786,8 +756,7 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
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// For files moved from posterior's deleted list, we also need to
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// delete its snapshot copy associated with the posterior snapshot.
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for (INode dNode : priorDiff.getChildrenDiff().getList(
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ListType.DELETED)) {
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for (INode dNode : priorDiff.diff.getDeletedUnmodifiable()) {
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if (priorDeleted == null || !priorDeleted.containsKey(dNode)) {
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cleanDeletedINode(reclaimContext, dNode, snapshot, prior);
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}
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@ -78,7 +78,6 @@ import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeat
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import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature.DirectoryDiffList;
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import org.apache.hadoop.hdfs.server.namenode.snapshot.Snapshot.Root;
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import org.apache.hadoop.hdfs.server.namenode.XAttrFeature;
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import org.apache.hadoop.hdfs.util.Diff.ListType;
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import org.apache.hadoop.hdfs.util.EnumCounters;
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import com.google.common.base.Preconditions;
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@ -581,10 +580,9 @@ public class FSImageFormatPBSnapshot {
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buildINodeDirectory(copy, parent.getSaverContext()));
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}
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// process created list and deleted list
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List<INode> created = diff.getChildrenDiff()
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.getList(ListType.CREATED);
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List<INode> created = diff.getChildrenDiff().getCreatedUnmodifiable();
|
||||
db.setCreatedListSize(created.size());
|
||||
List<INode> deleted = diff.getChildrenDiff().getList(ListType.DELETED);
|
||||
List<INode> deleted = diff.getChildrenDiff().getDeletedUnmodifiable();
|
||||
for (INode d : deleted) {
|
||||
if (d.isReference()) {
|
||||
refList.add(d.asReference());
|
||||
|
|
|
|||
|
|
@ -32,7 +32,6 @@ import org.apache.hadoop.hdfs.server.namenode.INodeDirectory;
|
|||
import org.apache.hadoop.hdfs.server.namenode.INodeFile;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeReference;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature.ChildrenDiff;
|
||||
import org.apache.hadoop.hdfs.util.Diff.ListType;
|
||||
|
||||
import com.google.common.base.Preconditions;
|
||||
import com.google.common.primitives.SignedBytes;
|
||||
|
|
@ -141,7 +140,7 @@ class SnapshotDiffInfo {
|
|||
dirDiffMap.put(dir, diff);
|
||||
diffMap.put(dir, relativePath);
|
||||
// detect rename
|
||||
for (INode created : diff.getList(ListType.CREATED)) {
|
||||
for (INode created : diff.getCreatedUnmodifiable()) {
|
||||
if (created.isReference()) {
|
||||
RenameEntry entry = getEntry(created.getId());
|
||||
if (entry.getTargetPath() == null) {
|
||||
|
|
@ -149,7 +148,7 @@ class SnapshotDiffInfo {
|
|||
}
|
||||
}
|
||||
}
|
||||
for (INode deleted : diff.getList(ListType.DELETED)) {
|
||||
for (INode deleted : diff.getDeletedUnmodifiable()) {
|
||||
if (deleted instanceof INodeReference.WithName) {
|
||||
RenameEntry entry = getEntry(deleted.getId());
|
||||
entry.setSource(deleted, relativePath);
|
||||
|
|
@ -221,11 +220,9 @@ class SnapshotDiffInfo {
|
|||
private List<DiffReportEntry> generateReport(ChildrenDiff dirDiff,
|
||||
byte[][] parentPath, boolean fromEarlier, Map<Long, RenameEntry> renameMap) {
|
||||
List<DiffReportEntry> list = new ChunkedArrayList<>();
|
||||
List<INode> created = dirDiff.getList(ListType.CREATED);
|
||||
List<INode> deleted = dirDiff.getList(ListType.DELETED);
|
||||
byte[][] fullPath = new byte[parentPath.length + 1][];
|
||||
System.arraycopy(parentPath, 0, fullPath, 0, parentPath.length);
|
||||
for (INode cnode : created) {
|
||||
for (INode cnode : dirDiff.getCreatedUnmodifiable()) {
|
||||
RenameEntry entry = renameMap.get(cnode.getId());
|
||||
if (entry == null || !entry.isRename()) {
|
||||
fullPath[fullPath.length - 1] = cnode.getLocalNameBytes();
|
||||
|
|
@ -233,7 +230,7 @@ class SnapshotDiffInfo {
|
|||
: DiffType.DELETE, fullPath));
|
||||
}
|
||||
}
|
||||
for (INode dnode : deleted) {
|
||||
for (INode dnode : dirDiff.getDeletedUnmodifiable()) {
|
||||
RenameEntry entry = renameMap.get(dnode.getId());
|
||||
if (entry != null && entry.isRename()) {
|
||||
list.add(new DiffReportEntry(DiffType.RENAME,
|
||||
|
|
|
|||
|
|
@ -28,7 +28,6 @@ import org.apache.hadoop.hdfs.server.namenode.INodeDirectory;
|
|||
import org.apache.hadoop.hdfs.server.namenode.INodeFile;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeReference;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature.ChildrenDiff;
|
||||
import org.apache.hadoop.hdfs.util.Diff.ListType;
|
||||
|
||||
import com.google.common.base.Preconditions;
|
||||
import org.apache.hadoop.util.ChunkedArrayList;
|
||||
|
|
@ -96,10 +95,10 @@ class SnapshotDiffListingInfo {
|
|||
}
|
||||
}
|
||||
|
||||
if (lastIndex == -1 || lastIndex < diff.getList(ListType.CREATED).size()) {
|
||||
final List<INode> clist = diff.getCreatedUnmodifiable();
|
||||
if (lastIndex == -1 || lastIndex < clist.size()) {
|
||||
ListIterator<INode> iterator = lastIndex != -1 ?
|
||||
diff.getList(ListType.CREATED).listIterator(lastIndex)
|
||||
: diff.getList(ListType.CREATED).listIterator();
|
||||
clist.listIterator(lastIndex): clist.listIterator();
|
||||
while (iterator.hasNext()) {
|
||||
if (getTotalEntries() < maxEntries) {
|
||||
INode created = iterator.next();
|
||||
|
|
@ -115,11 +114,11 @@ class SnapshotDiffListingInfo {
|
|||
setLastIndex(-1);
|
||||
}
|
||||
|
||||
if (lastIndex == -1 || lastIndex >= diff.getList(ListType.CREATED).size()) {
|
||||
int size = diff.getList(ListType.DELETED).size();
|
||||
if (lastIndex == -1 || lastIndex >= clist.size()) {
|
||||
final List<INode> dlist = diff.getDeletedUnmodifiable();
|
||||
int size = dlist.size();
|
||||
ListIterator<INode> iterator = lastIndex != -1 ?
|
||||
diff.getList(ListType.DELETED).listIterator(lastIndex - size)
|
||||
: diff.getList(ListType.DELETED).listIterator();
|
||||
dlist.listIterator(lastIndex - size): dlist.listIterator();
|
||||
while (iterator.hasNext()) {
|
||||
if (getTotalEntries() < maxEntries) {
|
||||
final INode d = iterator.next();
|
||||
|
|
|
|||
|
|
@ -38,7 +38,6 @@ import org.apache.hadoop.hdfs.server.namenode.INodeReference;
|
|||
import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature.DirectoryDiff;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature.DirectoryDiffList;
|
||||
import org.apache.hadoop.hdfs.tools.snapshot.SnapshotDiff;
|
||||
import org.apache.hadoop.hdfs.util.Diff.ListType;
|
||||
import org.apache.hadoop.hdfs.util.ReadOnlyList;
|
||||
|
||||
import com.google.common.base.Preconditions;
|
||||
|
|
@ -145,8 +144,7 @@ public class SnapshotFSImageFormat {
|
|||
// the INode in the created list should be a reference to another INode
|
||||
// in posterior SnapshotDiffs or one of the current children
|
||||
for (DirectoryDiff postDiff : parent.getDiffs()) {
|
||||
final INode d = postDiff.getChildrenDiff().search(ListType.DELETED,
|
||||
createdNodeName);
|
||||
final INode d = postDiff.getChildrenDiff().getDeleted(createdNodeName);
|
||||
if (d != null) {
|
||||
return d;
|
||||
} // else go to the next SnapshotDiff
|
||||
|
|
|
|||
|
|
@ -73,10 +73,6 @@ import com.google.common.base.Preconditions;
|
|||
* @param <E> The element type, which must implement {@link Element} interface.
|
||||
*/
|
||||
public class Diff<K, E extends Diff.Element<K>> {
|
||||
public enum ListType {
|
||||
CREATED, DELETED
|
||||
}
|
||||
|
||||
/** An interface for the elements in a {@link Diff}. */
|
||||
public static interface Element<K> extends Comparable<K> {
|
||||
/** @return the key of this object. */
|
||||
|
|
@ -156,24 +152,71 @@ public class Diff<K, E extends Diff.Element<K>> {
|
|||
this.deleted = deleted;
|
||||
}
|
||||
|
||||
/** @return the created list, which is never null. */
|
||||
public List<E> getList(final ListType type) {
|
||||
final List<E> list = type == ListType.CREATED? created: deleted;
|
||||
return list == null? Collections.<E>emptyList(): list;
|
||||
public List<E> getCreatedUnmodifiable() {
|
||||
return created != null? Collections.unmodifiableList(created)
|
||||
: Collections.emptyList();
|
||||
}
|
||||
|
||||
public int searchIndex(final ListType type, final K name) {
|
||||
return search(getList(type), name);
|
||||
public E setCreated(int index, E element) {
|
||||
final E old = created.set(index, element);
|
||||
if (old.compareTo(element.getKey()) != 0) {
|
||||
throw new AssertionError("Element mismatched: element=" + element
|
||||
+ " but old=" + old);
|
||||
}
|
||||
return old;
|
||||
}
|
||||
|
||||
public void clearCreated() {
|
||||
if (created != null) {
|
||||
created.clear();
|
||||
}
|
||||
}
|
||||
|
||||
public List<E> getDeletedUnmodifiable() {
|
||||
return deleted != null? Collections.unmodifiableList(deleted)
|
||||
: Collections.emptyList();
|
||||
}
|
||||
|
||||
public boolean containsDeleted(final K key) {
|
||||
if (deleted != null) {
|
||||
return search(deleted, key) >= 0;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
public boolean containsDeleted(final E element) {
|
||||
return getDeleted(element.getKey()) == element;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return null if the element is not found;
|
||||
* otherwise, return the element in the created/deleted list.
|
||||
* otherwise, return the element in the deleted list.
|
||||
*/
|
||||
public E search(final ListType type, final K name) {
|
||||
final List<E> list = getList(type);
|
||||
final int c = search(list, name);
|
||||
return c < 0 ? null : list.get(c);
|
||||
public E getDeleted(final K key) {
|
||||
if (deleted != null) {
|
||||
final int c = search(deleted, key);
|
||||
if (c >= 0) {
|
||||
return deleted.get(c);
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
public boolean removeDeleted(final E element) {
|
||||
if (deleted != null) {
|
||||
final int i = search(deleted, element.getKey());
|
||||
if (i >= 0 && deleted.get(i) == element) {
|
||||
deleted.remove(i);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
public void clearDeleted() {
|
||||
if (deleted != null) {
|
||||
deleted.clear();
|
||||
}
|
||||
}
|
||||
|
||||
/** @return true if no changes contained in the diff */
|
||||
|
|
@ -183,34 +226,44 @@ public class Diff<K, E extends Diff.Element<K>> {
|
|||
}
|
||||
|
||||
/**
|
||||
* Insert the given element to the created/deleted list.
|
||||
* Add the given element to the created list,
|
||||
* provided the element does not exist, i.e. i < 0.
|
||||
*
|
||||
* @param i the insertion point defined
|
||||
* in {@link Collections#binarySearch(List, Object)}
|
||||
* @throws AssertionError if i >= 0.
|
||||
*/
|
||||
private void insert(final ListType type, final E element, final int i) {
|
||||
List<E> list = type == ListType.CREATED? created: deleted;
|
||||
private void addCreated(final E element, final int i) {
|
||||
if (i >= 0) {
|
||||
throw new AssertionError("Element already exists: element=" + element
|
||||
+ ", " + type + "=" + list);
|
||||
+ ", created=" + created);
|
||||
}
|
||||
if (list == null) {
|
||||
list = new ArrayList<E>(DEFAULT_ARRAY_INITIAL_CAPACITY);
|
||||
if (type == ListType.CREATED) {
|
||||
created = list;
|
||||
} else if (type == ListType.DELETED){
|
||||
deleted = list;
|
||||
}
|
||||
if (created == null) {
|
||||
created = new ArrayList<>(DEFAULT_ARRAY_INITIAL_CAPACITY);
|
||||
}
|
||||
list.add(-i - 1, element);
|
||||
created.add(-i - 1, element);
|
||||
}
|
||||
|
||||
/** Similar to {@link #addCreated(Element, int)} but for the deleted list. */
|
||||
private void addDeleted(final E element, final int i) {
|
||||
if (i >= 0) {
|
||||
throw new AssertionError("Element already exists: element=" + element
|
||||
+ ", deleted=" + deleted);
|
||||
}
|
||||
if (deleted == null) {
|
||||
deleted = new ArrayList<>(DEFAULT_ARRAY_INITIAL_CAPACITY);
|
||||
}
|
||||
deleted.add(-i - 1, element);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Create an element in current state.
|
||||
* @return the c-list insertion point for undo.
|
||||
*/
|
||||
public int create(final E element) {
|
||||
final int c = search(created, element.getKey());
|
||||
insert(ListType.CREATED, element, c);
|
||||
addCreated(element, c);
|
||||
return c;
|
||||
}
|
||||
|
||||
|
|
@ -236,7 +289,7 @@ public class Diff<K, E extends Diff.Element<K>> {
|
|||
} else {
|
||||
// not in c-list, it must be in previous
|
||||
d = search(deleted, element.getKey());
|
||||
insert(ListType.DELETED, element, d);
|
||||
addDeleted(element, d);
|
||||
}
|
||||
return new UndoInfo<E>(c, previous, d);
|
||||
}
|
||||
|
|
@ -277,8 +330,8 @@ public class Diff<K, E extends Diff.Element<K>> {
|
|||
d = search(deleted, oldElement.getKey());
|
||||
if (d < 0) {
|
||||
// Case 2.3: neither in c-list nor d-list
|
||||
insert(ListType.CREATED, newElement, c);
|
||||
insert(ListType.DELETED, oldElement, d);
|
||||
addCreated(newElement, c);
|
||||
addDeleted(oldElement, d);
|
||||
}
|
||||
}
|
||||
return new UndoInfo<E>(c, previous, d);
|
||||
|
|
@ -348,7 +401,7 @@ public class Diff<K, E extends Diff.Element<K>> {
|
|||
*/
|
||||
public List<E> apply2Previous(final List<E> previous) {
|
||||
return apply2Previous(previous,
|
||||
getList(ListType.CREATED), getList(ListType.DELETED));
|
||||
getCreatedUnmodifiable(), getDeletedUnmodifiable());
|
||||
}
|
||||
|
||||
private static <K, E extends Diff.Element<K>> List<E> apply2Previous(
|
||||
|
|
@ -408,7 +461,7 @@ public class Diff<K, E extends Diff.Element<K>> {
|
|||
*/
|
||||
public List<E> apply2Current(final List<E> current) {
|
||||
return apply2Previous(current,
|
||||
getList(ListType.DELETED), getList(ListType.CREATED));
|
||||
getDeletedUnmodifiable(), getCreatedUnmodifiable());
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -443,8 +496,10 @@ public class Diff<K, E extends Diff.Element<K>> {
|
|||
*/
|
||||
public void combinePosterior(final Diff<K, E> posterior,
|
||||
final Processor<E> deletedProcesser) {
|
||||
final Iterator<E> createdIterator = posterior.getList(ListType.CREATED).iterator();
|
||||
final Iterator<E> deletedIterator = posterior.getList(ListType.DELETED).iterator();
|
||||
final Iterator<E> createdIterator
|
||||
= posterior.getCreatedUnmodifiable().iterator();
|
||||
final Iterator<E> deletedIterator
|
||||
= posterior.getDeletedUnmodifiable().iterator();
|
||||
|
||||
E c = createdIterator.hasNext()? createdIterator.next(): null;
|
||||
E d = deletedIterator.hasNext()? deletedIterator.next(): null;
|
||||
|
|
@ -479,7 +534,7 @@ public class Diff<K, E extends Diff.Element<K>> {
|
|||
@Override
|
||||
public String toString() {
|
||||
return getClass().getSimpleName()
|
||||
+ "{created=" + getList(ListType.CREATED)
|
||||
+ ", deleted=" + getList(ListType.DELETED) + "}";
|
||||
+ "{created=" + getCreatedUnmodifiable()
|
||||
+ ", deleted=" + getDeletedUnmodifiable() + "}";
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -17,23 +17,6 @@
|
|||
*/
|
||||
package org.apache.hadoop.hdfs.server.namenode.snapshot;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
|
||||
import java.io.BufferedReader;
|
||||
import java.io.File;
|
||||
import java.io.FileReader;
|
||||
import java.io.FileWriter;
|
||||
import java.io.IOException;
|
||||
import java.io.PrintWriter;
|
||||
import java.util.ArrayList;
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Random;
|
||||
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
import org.apache.hadoop.fs.FileStatus;
|
||||
import org.apache.hadoop.fs.FileSystem;
|
||||
import org.apache.hadoop.fs.Path;
|
||||
|
|
@ -46,47 +29,71 @@ import org.apache.hadoop.hdfs.protocol.HdfsConstants;
|
|||
import org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo;
|
||||
import org.apache.hadoop.hdfs.server.blockmanagement.BlockManager;
|
||||
import org.apache.hadoop.hdfs.server.blockmanagement.BlockUnderConstructionFeature;
|
||||
import org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceStorage;
|
||||
import org.apache.hadoop.hdfs.server.datanode.BlockScanner;
|
||||
import org.apache.hadoop.hdfs.server.datanode.DataNode;
|
||||
import org.apache.hadoop.hdfs.server.datanode.DirectoryScanner;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSDirectory;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INode;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeFile;
|
||||
import org.apache.hadoop.hdfs.server.namenode.LeaseManager;
|
||||
import org.apache.hadoop.hdfs.server.namenode.NameNode;
|
||||
import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor;
|
||||
import org.apache.hadoop.hdfs.server.datanode.*;
|
||||
import org.apache.hadoop.hdfs.server.datanode.checker.DatasetVolumeChecker;
|
||||
import org.apache.hadoop.hdfs.server.datanode.checker.ThrottledAsyncChecker;
|
||||
import org.apache.hadoop.hdfs.server.namenode.*;
|
||||
import org.apache.hadoop.hdfs.server.namenode.top.metrics.TopMetrics;
|
||||
import org.apache.hadoop.http.HttpRequestLog;
|
||||
import org.apache.hadoop.http.HttpServer2;
|
||||
import org.apache.hadoop.ipc.ProtobufRpcEngine.Server;
|
||||
import org.apache.hadoop.metrics2.impl.MetricsSystemImpl;
|
||||
import org.apache.hadoop.security.UserGroupInformation;
|
||||
import org.apache.hadoop.test.GenericTestUtils;
|
||||
import org.apache.hadoop.util.GSet;
|
||||
import org.junit.Assert;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
import java.io.*;
|
||||
import java.util.*;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
|
||||
/**
|
||||
* Helper for writing snapshot related tests
|
||||
*/
|
||||
public class SnapshotTestHelper {
|
||||
public static final Log LOG = LogFactory.getLog(SnapshotTestHelper.class);
|
||||
static final Logger LOG = LoggerFactory.getLogger(SnapshotTestHelper.class);
|
||||
|
||||
/** Disable the logs that are not very useful for snapshot related tests. */
|
||||
public static void disableLogs() {
|
||||
final String[] lognames = {
|
||||
"org.apache.hadoop.hdfs.server.common.Util",
|
||||
"org.apache.hadoop.hdfs.server.blockmanagement.BlockReportLeaseManager",
|
||||
"org.apache.hadoop.hdfs.server.namenode.FileJournalManager",
|
||||
"org.apache.hadoop.hdfs.server.namenode.NNStorageRetentionManager",
|
||||
"org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf",
|
||||
"org.apache.hadoop.hdfs.server.namenode.FSEditLog",
|
||||
"org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner",
|
||||
"org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.BlockPoolSlice",
|
||||
"org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl",
|
||||
"org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetAsyncDiskService",
|
||||
"org.apache.hadoop.hdfs.server.datanode.fsdataset.impl" +
|
||||
".RamDiskAsyncLazyPersistService",
|
||||
};
|
||||
for(String n : lognames) {
|
||||
GenericTestUtils.disableLog(LogFactory.getLog(n));
|
||||
GenericTestUtils.disableLog(LoggerFactory.getLogger(n));
|
||||
}
|
||||
|
||||
GenericTestUtils.disableLog(LogFactory.getLog(UserGroupInformation.class));
|
||||
GenericTestUtils.disableLog(LogFactory.getLog(BlockManager.class));
|
||||
GenericTestUtils.disableLog(LogFactory.getLog(FSNamesystem.class));
|
||||
GenericTestUtils.disableLog(LogFactory.getLog(DirectoryScanner.class));
|
||||
GenericTestUtils.disableLog(LogFactory.getLog(MetricsSystemImpl.class));
|
||||
GenericTestUtils.disableLog(LoggerFactory.getLogger(
|
||||
UserGroupInformation.class));
|
||||
GenericTestUtils.disableLog(LoggerFactory.getLogger(BlockManager.class));
|
||||
GenericTestUtils.disableLog(LoggerFactory.getLogger(FSNamesystem.class));
|
||||
GenericTestUtils.disableLog(LoggerFactory.getLogger(
|
||||
DirectoryScanner.class));
|
||||
GenericTestUtils.disableLog(LoggerFactory.getLogger(
|
||||
MetricsSystemImpl.class));
|
||||
|
||||
GenericTestUtils.disableLog(DatasetVolumeChecker.LOG);
|
||||
GenericTestUtils.disableLog(DatanodeDescriptor.LOG);
|
||||
GenericTestUtils.disableLog(GSet.LOG);
|
||||
GenericTestUtils.disableLog(TopMetrics.LOG);
|
||||
GenericTestUtils.disableLog(HttpRequestLog.LOG);
|
||||
GenericTestUtils.disableLog(ThrottledAsyncChecker.LOG);
|
||||
GenericTestUtils.disableLog(VolumeScanner.LOG);
|
||||
GenericTestUtils.disableLog(BlockScanner.LOG);
|
||||
GenericTestUtils.disableLog(HttpServer2.LOG);
|
||||
GenericTestUtils.disableLog(DataNode.LOG);
|
||||
|
|
|
|||
|
|
@ -17,22 +17,6 @@
|
|||
*/
|
||||
package org.apache.hadoop.hdfs.server.namenode.snapshot;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertFalse;
|
||||
import static org.junit.Assert.assertSame;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
import static org.junit.Assert.fail;
|
||||
import static org.mockito.Matchers.anyBoolean;
|
||||
import static org.mockito.Matchers.anyObject;
|
||||
import static org.mockito.Mockito.doReturn;
|
||||
import static org.mockito.Mockito.spy;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.util.EnumSet;
|
||||
import java.util.List;
|
||||
import java.util.Random;
|
||||
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
|
|
@ -41,12 +25,7 @@ import org.apache.hadoop.fs.FileStatus;
|
|||
import org.apache.hadoop.fs.Options.Rename;
|
||||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.fs.permission.FsPermission;
|
||||
import org.apache.hadoop.hdfs.DFSConfigKeys;
|
||||
import org.apache.hadoop.hdfs.DFSOutputStream;
|
||||
import org.apache.hadoop.hdfs.DFSTestUtil;
|
||||
import org.apache.hadoop.hdfs.DFSUtil;
|
||||
import org.apache.hadoop.hdfs.DistributedFileSystem;
|
||||
import org.apache.hadoop.hdfs.MiniDFSCluster;
|
||||
import org.apache.hadoop.hdfs.*;
|
||||
import org.apache.hadoop.hdfs.client.HdfsDataOutputStream.SyncFlag;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction;
|
||||
|
|
@ -55,18 +34,10 @@ import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
|
|||
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffReportEntry;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffType;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshottableDirectoryStatus;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSDirectory;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INode;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeFile;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeReference;
|
||||
import org.apache.hadoop.hdfs.server.namenode.*;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeReference.WithCount;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodesInPath;
|
||||
import org.apache.hadoop.hdfs.server.namenode.QuotaCounts;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature.ChildrenDiff;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature.DirectoryDiff;
|
||||
import org.apache.hadoop.hdfs.util.Diff.ListType;
|
||||
import org.apache.hadoop.hdfs.util.ReadOnlyList;
|
||||
import org.apache.hadoop.test.GenericTestUtils;
|
||||
import org.junit.After;
|
||||
|
|
@ -76,6 +47,18 @@ import org.junit.Test;
|
|||
import org.mockito.Mockito;
|
||||
import org.mockito.internal.util.reflection.Whitebox;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.util.EnumSet;
|
||||
import java.util.List;
|
||||
import java.util.Random;
|
||||
|
||||
import static org.junit.Assert.*;
|
||||
import static org.mockito.Matchers.anyBoolean;
|
||||
import static org.mockito.Matchers.anyObject;
|
||||
import static org.mockito.Mockito.doReturn;
|
||||
import static org.mockito.Mockito.spy;
|
||||
|
||||
/** Testing rename with snapshots. */
|
||||
public class TestRenameWithSnapshots {
|
||||
static {
|
||||
|
|
@ -104,6 +87,10 @@ public class TestRenameWithSnapshots {
|
|||
static private final String snap1 = "snap1";
|
||||
static private final String snap2 = "snap2";
|
||||
|
||||
static void assertSizes(int createdSize, int deletedSize, ChildrenDiff diff) {
|
||||
assertEquals(createdSize, diff.getCreatedUnmodifiable().size());
|
||||
assertEquals(deletedSize, diff.getDeletedUnmodifiable().size());
|
||||
}
|
||||
|
||||
@Before
|
||||
public void setUp() throws Exception {
|
||||
|
|
@ -1301,8 +1288,7 @@ public class TestRenameWithSnapshots {
|
|||
// after the undo of rename, both the created and deleted list of sdir1
|
||||
// should be empty
|
||||
ChildrenDiff childrenDiff = dir1Diffs.get(0).getChildrenDiff();
|
||||
assertEquals(0, childrenDiff.getList(ListType.DELETED).size());
|
||||
assertEquals(0, childrenDiff.getList(ListType.CREATED).size());
|
||||
assertSizes(0, 0, childrenDiff);
|
||||
|
||||
INode fooNode = fsdir.getINode4Write(foo.toString());
|
||||
assertTrue(fooNode.isDirectory() && fooNode.asDirectory().isWithSnapshot());
|
||||
|
|
@ -1372,12 +1358,11 @@ public class TestRenameWithSnapshots {
|
|||
// after the undo of rename, the created list of sdir1 should contain
|
||||
// 1 element
|
||||
ChildrenDiff childrenDiff = dir1Diffs.get(0).getChildrenDiff();
|
||||
assertEquals(0, childrenDiff.getList(ListType.DELETED).size());
|
||||
assertEquals(1, childrenDiff.getList(ListType.CREATED).size());
|
||||
assertSizes(1, 0, childrenDiff);
|
||||
|
||||
INode fooNode = fsdir.getINode4Write(foo.toString());
|
||||
assertTrue(fooNode instanceof INodeDirectory);
|
||||
assertTrue(childrenDiff.getList(ListType.CREATED).get(0) == fooNode);
|
||||
assertTrue(childrenDiff.getCreatedUnmodifiable().get(0) == fooNode);
|
||||
|
||||
final Path foo_s1 = SnapshotTestHelper.getSnapshotPath(sdir1, "s1", "foo");
|
||||
assertFalse(hdfs.exists(foo_s1));
|
||||
|
|
@ -1438,13 +1423,12 @@ public class TestRenameWithSnapshots {
|
|||
assertEquals(1, dir2Diffs.size());
|
||||
assertEquals(s2.getId(), dir2Diffs.get(0).getSnapshotId());
|
||||
ChildrenDiff childrenDiff = dir2Diffs.get(0).getChildrenDiff();
|
||||
assertEquals(0, childrenDiff.getList(ListType.DELETED).size());
|
||||
assertEquals(1, childrenDiff.getList(ListType.CREATED).size());
|
||||
assertSizes(1, 0, childrenDiff);
|
||||
final Path foo_s2 = SnapshotTestHelper.getSnapshotPath(sdir2, "s2", "foo2");
|
||||
assertFalse(hdfs.exists(foo_s2));
|
||||
|
||||
INode fooNode = fsdir.getINode4Write(foo_dir2.toString());
|
||||
assertTrue(childrenDiff.getList(ListType.CREATED).get(0) == fooNode);
|
||||
assertTrue(childrenDiff.getCreatedUnmodifiable().get(0) == fooNode);
|
||||
assertTrue(fooNode instanceof INodeReference.DstReference);
|
||||
DiffList<DirectoryDiff> fooDiffs =
|
||||
fooNode.asDirectory().getDiffs().asList();
|
||||
|
|
@ -1468,13 +1452,11 @@ public class TestRenameWithSnapshots {
|
|||
assertEquals(s3.getId(), dir2Diffs.get(1).getSnapshotId());
|
||||
|
||||
childrenDiff = dir2Diffs.get(0).getChildrenDiff();
|
||||
assertEquals(0, childrenDiff.getList(ListType.DELETED).size());
|
||||
assertEquals(1, childrenDiff.getList(ListType.CREATED).size());
|
||||
assertTrue(childrenDiff.getList(ListType.CREATED).get(0) == fooNode);
|
||||
assertSizes(1, 0, childrenDiff);
|
||||
assertTrue(childrenDiff.getCreatedUnmodifiable().get(0) == fooNode);
|
||||
|
||||
childrenDiff = dir2Diffs.get(1).getChildrenDiff();
|
||||
assertEquals(0, childrenDiff.getList(ListType.DELETED).size());
|
||||
assertEquals(0, childrenDiff.getList(ListType.CREATED).size());
|
||||
assertSizes(0, 0, childrenDiff);
|
||||
|
||||
final Path foo_s3 = SnapshotTestHelper.getSnapshotPath(sdir2, "s3", "foo2");
|
||||
assertFalse(hdfs.exists(foo_s2));
|
||||
|
|
@ -1600,8 +1582,7 @@ public class TestRenameWithSnapshots {
|
|||
.getDiffs().asList();
|
||||
assertEquals(1, diffList.size());
|
||||
DirectoryDiff diff = diffList.get(0);
|
||||
assertTrue(diff.getChildrenDiff().getList(ListType.CREATED).isEmpty());
|
||||
assertTrue(diff.getChildrenDiff().getList(ListType.DELETED).isEmpty());
|
||||
assertSizes(0, 0, diff.getChildrenDiff());
|
||||
|
||||
// check dir2
|
||||
INodeDirectory dir2Node = fsdir2.getINode4Write(dir2.toString()).asDirectory();
|
||||
|
|
@ -1618,8 +1599,7 @@ public class TestRenameWithSnapshots {
|
|||
diffList = dir2Node.getDiffs().asList();
|
||||
assertEquals(1, diffList.size());
|
||||
diff = diffList.get(0);
|
||||
assertTrue(diff.getChildrenDiff().getList(ListType.CREATED).isEmpty());
|
||||
assertTrue(diff.getChildrenDiff().getList(ListType.DELETED).isEmpty());
|
||||
assertSizes(0, 0, diff.getChildrenDiff());
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -1674,8 +1654,7 @@ public class TestRenameWithSnapshots {
|
|||
.getDiffs().asList();
|
||||
assertEquals(1, diffList.size());
|
||||
DirectoryDiff diff = diffList.get(0);
|
||||
assertTrue(diff.getChildrenDiff().getList(ListType.CREATED).isEmpty());
|
||||
assertTrue(diff.getChildrenDiff().getList(ListType.DELETED).isEmpty());
|
||||
assertSizes(0, 0, diff.getChildrenDiff());
|
||||
|
||||
// check dir2
|
||||
INodeDirectory dir2Node = fsdir2.getINode4Write(dir2.toString()).asDirectory();
|
||||
|
|
@ -1696,8 +1675,7 @@ public class TestRenameWithSnapshots {
|
|||
diffList = ( dir2Node).getDiffs().asList();
|
||||
assertEquals(1, diffList.size());
|
||||
diff = diffList.get(0);
|
||||
assertTrue(diff.getChildrenDiff().getList(ListType.CREATED).isEmpty());
|
||||
assertTrue(diff.getChildrenDiff().getList(ListType.DELETED).isEmpty());
|
||||
assertSizes(0, 0, diff.getChildrenDiff());
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -1737,8 +1715,7 @@ public class TestRenameWithSnapshots {
|
|||
Snapshot s1 = rootNode.getSnapshot(DFSUtil.string2Bytes(snap1));
|
||||
assertEquals(s1.getId(), diff.getSnapshotId());
|
||||
// after undo, the diff should be empty
|
||||
assertTrue(diff.getChildrenDiff().getList(ListType.DELETED).isEmpty());
|
||||
assertTrue(diff.getChildrenDiff().getList(ListType.CREATED).isEmpty());
|
||||
assertSizes(0, 0, diff.getChildrenDiff());
|
||||
|
||||
// bar was converted to filewithsnapshot while renaming
|
||||
INodeFile barNode = fsdir.getINode4Write(bar.toString()).asFile();
|
||||
|
|
@ -1989,8 +1966,7 @@ public class TestRenameWithSnapshots {
|
|||
Snapshot s1 = dir1Node.getSnapshot(DFSUtil.string2Bytes("s1"));
|
||||
assertEquals(s1.getId(), diffList.get(0).getSnapshotId());
|
||||
ChildrenDiff diff = diffList.get(0).getChildrenDiff();
|
||||
assertEquals(0, diff.getList(ListType.CREATED).size());
|
||||
assertEquals(0, diff.getList(ListType.DELETED).size());
|
||||
assertSizes(0, 0, diff);
|
||||
|
||||
restartClusterAndCheckImage(true);
|
||||
}
|
||||
|
|
@ -2062,8 +2038,7 @@ public class TestRenameWithSnapshots {
|
|||
assertEquals(s1.getId(), diffList.get(0).getSnapshotId());
|
||||
ChildrenDiff diff = diffList.get(0).getChildrenDiff();
|
||||
// bar2 and bar3 in the created list
|
||||
assertEquals(2, diff.getList(ListType.CREATED).size());
|
||||
assertEquals(0, diff.getList(ListType.DELETED).size());
|
||||
assertSizes(2, 0, diff);
|
||||
|
||||
final INode fooRef2 = fsdir.getINode4Write(foo.toString());
|
||||
assertTrue(fooRef2 instanceof INodeReference.DstReference);
|
||||
|
|
@ -2235,13 +2210,9 @@ public class TestRenameWithSnapshots {
|
|||
.asDirectory();
|
||||
DiffList<DirectoryDiff> dir1DiffList = dir1Node.getDiffs().asList();
|
||||
assertEquals(1, dir1DiffList.size());
|
||||
List<INode> dList = dir1DiffList.get(0).getChildrenDiff()
|
||||
.getList(ListType.DELETED);
|
||||
assertTrue(dList.isEmpty());
|
||||
List<INode> cList = dir1DiffList.get(0).getChildrenDiff()
|
||||
.getList(ListType.CREATED);
|
||||
assertEquals(1, cList.size());
|
||||
INode cNode = cList.get(0);
|
||||
final ChildrenDiff childrenDiff = dir1DiffList.get(0).getChildrenDiff();
|
||||
assertSizes(1, 0, childrenDiff);
|
||||
INode cNode = childrenDiff.getCreatedUnmodifiable().get(0);
|
||||
INode fooNode = fsdir.getINode4Write(newfoo.toString());
|
||||
assertSame(cNode, fooNode);
|
||||
|
||||
|
|
@ -2259,7 +2230,7 @@ public class TestRenameWithSnapshots {
|
|||
Snapshot s0 = testNode.getSnapshot(DFSUtil.string2Bytes("s0"));
|
||||
assertEquals(s0.getId(), diff.getSnapshotId());
|
||||
// and file should be stored in the deleted list of this snapshot diff
|
||||
assertEquals("file", diff.getChildrenDiff().getList(ListType.DELETED)
|
||||
assertEquals("file", diff.getChildrenDiff().getDeletedUnmodifiable()
|
||||
.get(0).getLocalName());
|
||||
|
||||
// check dir2: a WithName instance for foo should be in the deleted list
|
||||
|
|
@ -2269,7 +2240,8 @@ public class TestRenameWithSnapshots {
|
|||
DiffList<DirectoryDiff> dir2DiffList = dir2Node.getDiffs().asList();
|
||||
// dir2Node should contain 1 snapshot diffs for s2
|
||||
assertEquals(1, dir2DiffList.size());
|
||||
dList = dir2DiffList.get(0).getChildrenDiff().getList(ListType.DELETED);
|
||||
final List<INode> dList = dir2DiffList.get(0).getChildrenDiff()
|
||||
.getDeletedUnmodifiable();
|
||||
assertEquals(1, dList.size());
|
||||
final Path foo_s2 = SnapshotTestHelper.getSnapshotPath(dir2, "s2",
|
||||
foo.getName());
|
||||
|
|
@ -2323,8 +2295,7 @@ public class TestRenameWithSnapshots {
|
|||
DiffList<DirectoryDiff> diffList = barNode.getDiffs().asList();
|
||||
assertEquals(1, diffList.size());
|
||||
DirectoryDiff diff = diffList.get(0);
|
||||
assertEquals(0, diff.getChildrenDiff().getList(ListType.DELETED).size());
|
||||
assertEquals(0, diff.getChildrenDiff().getList(ListType.CREATED).size());
|
||||
assertSizes(0, 0, diff.getChildrenDiff());
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
|
|||
|
|
@ -38,7 +38,6 @@ import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
|
|||
import org.apache.hadoop.hdfs.server.namenode.INode;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature.DirectoryDiff;
|
||||
import org.apache.hadoop.hdfs.util.Diff.ListType;
|
||||
import org.junit.After;
|
||||
import org.junit.Before;
|
||||
import org.junit.Rule;
|
||||
|
|
@ -153,8 +152,9 @@ public class TestSetQuotaWithSnapshot {
|
|||
subNode.asDirectory().getDiffs().asList();
|
||||
assertEquals(1, diffList.size());
|
||||
Snapshot s2 = dirNode.getSnapshot(DFSUtil.string2Bytes("s2"));
|
||||
assertEquals(s2.getId(), diffList.get(0).getSnapshotId());
|
||||
List<INode> createdList = diffList.get(0).getChildrenDiff().getList(ListType.CREATED);
|
||||
final DirectoryDiff diff = diffList.get(0);
|
||||
assertEquals(s2.getId(), diff.getSnapshotId());
|
||||
List<INode> createdList = diff.getChildrenDiff().getCreatedUnmodifiable();
|
||||
assertEquals(1, createdList.size());
|
||||
assertSame(fsdir.getINode4Write(file.toString()), createdList.get(0));
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue