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LUCENE-3218: added FileHandle Tracking for CFS tests and throw explicit exception if existing files are overwritten in the CFS 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1138420 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Simon Willnauer 2011-06-22 12:06:26 +00:00
parent 77e3dfc016
commit 21ee32bc25
3 changed files with 22 additions and 5 deletions
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3
lucene/src/java/org/apache/lucene/store/CompoundFileWriter.java
View File

@ -226,6 +226,9 @@ final class CompoundFileWriter {
out = new DirectCFSIndexOutput(dataOut, entry, false);
} else {
entry.dir = this.directory;
if (directory.fileExists(name)) {
throw new IOException("File already exists");
}
out = new DirectCFSIndexOutput(directory.createOutput(name), entry,
true);
}

14
lucene/src/test-framework/org/apache/lucene/store/MockCompoundFileDirectoryWrapper.java
View File

@ -26,13 +26,17 @@ public class MockCompoundFileDirectoryWrapper extends CompoundFileDirectory {
private final CompoundFileDirectory delegate;
private final String name;
public MockCompoundFileDirectoryWrapper(String name, MockDirectoryWrapper parent, CompoundFileDirectory delegate) throws IOException {
public MockCompoundFileDirectoryWrapper(String name, MockDirectoryWrapper parent, CompoundFileDirectory delegate, boolean forWrite) throws IOException {
super(parent, name, 1024);
this.name = name;
this.parent = parent;
this.delegate = delegate;
super.initForRead(Collections.<String,FileEntry>emptyMap());
parent.addFileHandle(this, name, true);
if (forWrite) {
super.initForWrite();
} else {
super.initForRead(Collections.<String,FileEntry>emptyMap());
}
parent.addFileHandle(this, name, !forWrite);
}
@Override
@ -140,4 +144,8 @@ public class MockCompoundFileDirectoryWrapper extends CompoundFileDirectory {
return delegate.openInputSlice(id, offset, length, readBufferSize);
}
@Override
public CompoundFileDirectory createCompoundOutput(String name) throws IOException {
return delegate.createCompoundOutput(name);
}
}

10
lucene/src/test-framework/org/apache/lucene/store/MockDirectoryWrapper.java
View File

@ -420,9 +420,15 @@ public class MockDirectoryWrapper extends Directory {
@Override
public synchronized CompoundFileDirectory openCompoundInput(String name, int bufferSize) throws IOException {
maybeYield();
return new MockCompoundFileDirectoryWrapper(name, this, delegate.openCompoundInput(name, bufferSize));
return new MockCompoundFileDirectoryWrapper(name, this, delegate.openCompoundInput(name, bufferSize), false);
}
@Override
public CompoundFileDirectory createCompoundOutput(String name) throws IOException {
maybeYield();
return new MockCompoundFileDirectoryWrapper(name, this, delegate.createCompoundOutput(name), true);
}
/** Provided for testing purposes. Use sizeInBytes() instead. */
public synchronized final long getRecomputedSizeInBytes() throws IOException {
if (!(delegate instanceof RAMDirectory))