LUCENE-5675: move BlockTree* under its own package

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene5675@1594991 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael McCandless 2014-05-15 18:01:53 +00:00
parent 60aa1ae3fb
commit b1c481d683
13 changed files with 232 additions and 197 deletions

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@ -19,13 +19,13 @@ package org.apache.lucene.codecs.idversion;
import java.io.IOException;
import org.apache.lucene.codecs.BlockTreeTermsReader;
import org.apache.lucene.codecs.BlockTreeTermsWriter;
import org.apache.lucene.codecs.FieldsConsumer;
import org.apache.lucene.codecs.FieldsProducer;
import org.apache.lucene.codecs.PostingsFormat;
import org.apache.lucene.codecs.PostingsReaderBase;
import org.apache.lucene.codecs.PostingsWriterBase;
import org.apache.lucene.codecs.blocktree.BlockTreeTermsReader;
import org.apache.lucene.codecs.blocktree.BlockTreeTermsWriter;
import org.apache.lucene.index.SegmentReadState;
import org.apache.lucene.index.SegmentWriteState;
import org.apache.lucene.util.IOUtils;

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@ -17,7 +17,7 @@ package org.apache.lucene.codecs.pulsing;
* limitations under the License.
*/
import org.apache.lucene.codecs.BlockTreeTermsWriter;
import org.apache.lucene.codecs.blocktree.BlockTreeTermsWriter;
import org.apache.lucene.codecs.lucene41.Lucene41PostingsBaseFormat;
import org.apache.lucene.codecs.lucene41.Lucene41PostingsFormat; // javadocs

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@ -19,14 +19,14 @@ package org.apache.lucene.codecs.pulsing;
import java.io.IOException;
import org.apache.lucene.codecs.BlockTreeTermsReader;
import org.apache.lucene.codecs.BlockTreeTermsWriter;
import org.apache.lucene.codecs.FieldsConsumer;
import org.apache.lucene.codecs.FieldsProducer;
import org.apache.lucene.codecs.PostingsBaseFormat;
import org.apache.lucene.codecs.PostingsFormat;
import org.apache.lucene.codecs.PostingsReaderBase;
import org.apache.lucene.codecs.PostingsWriterBase;
import org.apache.lucene.codecs.blocktree.BlockTreeTermsReader;
import org.apache.lucene.codecs.blocktree.BlockTreeTermsWriter;
import org.apache.lucene.index.SegmentReadState;
import org.apache.lucene.index.SegmentWriteState;
import org.apache.lucene.util.IOUtils;

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@ -22,4 +22,5 @@ org.apache.lucene.codecs.memory.FSTPulsing41PostingsFormat
org.apache.lucene.codecs.memory.FSTOrdPulsing41PostingsFormat
org.apache.lucene.codecs.memory.FSTPostingsFormat
org.apache.lucene.codecs.memory.FSTOrdPostingsFormat
org.apache.lucene.codecs.idversion.IDVersionPostingsFormat
#org.apache.lucene.codecs.idversion.IDVersionPostingsFormat

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@ -1,4 +1,4 @@
package org.apache.lucene.codecs;
package org.apache.lucene.codecs.blocktree;
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
@ -17,15 +17,16 @@ package org.apache.lucene.codecs;
* limitations under the License.
*/
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
import java.util.Collections;
import java.util.Iterator;
import java.util.Locale;
import java.util.TreeMap;
import org.apache.lucene.codecs.BlockTermState;
import org.apache.lucene.codecs.CodecUtil;
import org.apache.lucene.codecs.FieldsProducer;
import org.apache.lucene.codecs.PostingsReaderBase;
import org.apache.lucene.index.CorruptIndexException;
import org.apache.lucene.index.DocsAndPositionsEnum;
import org.apache.lucene.index.DocsEnum;
@ -290,177 +291,6 @@ public class BlockTreeTermsReader extends FieldsProducer {
}
}
/**
* BlockTree statistics for a single field
* returned by {@link FieldReader#computeStats()}.
*/
public static class Stats {
/** How many nodes in the index FST. */
public long indexNodeCount;
/** How many arcs in the index FST. */
public long indexArcCount;
/** Byte size of the index. */
public long indexNumBytes;
/** Total number of terms in the field. */
public long totalTermCount;
/** Total number of bytes (sum of term lengths) across all terms in the field. */
public long totalTermBytes;
/** The number of normal (non-floor) blocks in the terms file. */
public int nonFloorBlockCount;
/** The number of floor blocks (meta-blocks larger than the
* allowed {@code maxItemsPerBlock}) in the terms file. */
public int floorBlockCount;
/** The number of sub-blocks within the floor blocks. */
public int floorSubBlockCount;
/** The number of "internal" blocks (that have both
* terms and sub-blocks). */
public int mixedBlockCount;
/** The number of "leaf" blocks (blocks that have only
* terms). */
public int termsOnlyBlockCount;
/** The number of "internal" blocks that do not contain
* terms (have only sub-blocks). */
public int subBlocksOnlyBlockCount;
/** Total number of blocks. */
public int totalBlockCount;
/** Number of blocks at each prefix depth. */
public int[] blockCountByPrefixLen = new int[10];
private int startBlockCount;
private int endBlockCount;
/** Total number of bytes used to store term suffixes. */
public long totalBlockSuffixBytes;
/** Total number of bytes used to store term stats (not
* including what the {@link PostingsBaseFormat}
* stores. */
public long totalBlockStatsBytes;
/** Total bytes stored by the {@link PostingsBaseFormat},
* plus the other few vInts stored in the frame. */
public long totalBlockOtherBytes;
/** Segment name. */
public final String segment;
/** Field name. */
public final String field;
Stats(String segment, String field) {
this.segment = segment;
this.field = field;
}
void startBlock(FieldReader.SegmentTermsEnum.Frame frame, boolean isFloor) {
totalBlockCount++;
if (isFloor) {
if (frame.fp == frame.fpOrig) {
floorBlockCount++;
}
floorSubBlockCount++;
} else {
nonFloorBlockCount++;
}
if (blockCountByPrefixLen.length <= frame.prefix) {
blockCountByPrefixLen = ArrayUtil.grow(blockCountByPrefixLen, 1+frame.prefix);
}
blockCountByPrefixLen[frame.prefix]++;
startBlockCount++;
totalBlockSuffixBytes += frame.suffixesReader.length();
totalBlockStatsBytes += frame.statsReader.length();
}
void endBlock(FieldReader.SegmentTermsEnum.Frame frame) {
final int termCount = frame.isLeafBlock ? frame.entCount : frame.state.termBlockOrd;
final int subBlockCount = frame.entCount - termCount;
totalTermCount += termCount;
if (termCount != 0 && subBlockCount != 0) {
mixedBlockCount++;
} else if (termCount != 0) {
termsOnlyBlockCount++;
} else if (subBlockCount != 0) {
subBlocksOnlyBlockCount++;
} else {
throw new IllegalStateException();
}
endBlockCount++;
final long otherBytes = frame.fpEnd - frame.fp - frame.suffixesReader.length() - frame.statsReader.length();
assert otherBytes > 0 : "otherBytes=" + otherBytes + " frame.fp=" + frame.fp + " frame.fpEnd=" + frame.fpEnd;
totalBlockOtherBytes += otherBytes;
}
void term(BytesRef term) {
totalTermBytes += term.length;
}
void finish() {
assert startBlockCount == endBlockCount: "startBlockCount=" + startBlockCount + " endBlockCount=" + endBlockCount;
assert totalBlockCount == floorSubBlockCount + nonFloorBlockCount: "floorSubBlockCount=" + floorSubBlockCount + " nonFloorBlockCount=" + nonFloorBlockCount + " totalBlockCount=" + totalBlockCount;
assert totalBlockCount == mixedBlockCount + termsOnlyBlockCount + subBlocksOnlyBlockCount: "totalBlockCount=" + totalBlockCount + " mixedBlockCount=" + mixedBlockCount + " subBlocksOnlyBlockCount=" + subBlocksOnlyBlockCount + " termsOnlyBlockCount=" + termsOnlyBlockCount;
}
@Override
public String toString() {
final ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);
PrintStream out;
try {
out = new PrintStream(bos, false, IOUtils.UTF_8);
} catch (UnsupportedEncodingException bogus) {
throw new RuntimeException(bogus);
}
out.println(" index FST:");
out.println(" " + indexNodeCount + " nodes");
out.println(" " + indexArcCount + " arcs");
out.println(" " + indexNumBytes + " bytes");
out.println(" terms:");
out.println(" " + totalTermCount + " terms");
out.println(" " + totalTermBytes + " bytes" + (totalTermCount != 0 ? " (" + String.format(Locale.ROOT, "%.1f", ((double) totalTermBytes)/totalTermCount) + " bytes/term)" : ""));
out.println(" blocks:");
out.println(" " + totalBlockCount + " blocks");
out.println(" " + termsOnlyBlockCount + " terms-only blocks");
out.println(" " + subBlocksOnlyBlockCount + " sub-block-only blocks");
out.println(" " + mixedBlockCount + " mixed blocks");
out.println(" " + floorBlockCount + " floor blocks");
out.println(" " + (totalBlockCount-floorSubBlockCount) + " non-floor blocks");
out.println(" " + floorSubBlockCount + " floor sub-blocks");
out.println(" " + totalBlockSuffixBytes + " term suffix bytes" + (totalBlockCount != 0 ? " (" + String.format(Locale.ROOT, "%.1f", ((double) totalBlockSuffixBytes)/totalBlockCount) + " suffix-bytes/block)" : ""));
out.println(" " + totalBlockStatsBytes + " term stats bytes" + (totalBlockCount != 0 ? " (" + String.format(Locale.ROOT, "%.1f", ((double) totalBlockStatsBytes)/totalBlockCount) + " stats-bytes/block)" : ""));
out.println(" " + totalBlockOtherBytes + " other bytes" + (totalBlockCount != 0 ? " (" + String.format(Locale.ROOT, "%.1f", ((double) totalBlockOtherBytes)/totalBlockCount) + " other-bytes/block)" : ""));
if (totalBlockCount != 0) {
out.println(" by prefix length:");
int total = 0;
for(int prefix=0;prefix<blockCountByPrefixLen.length;prefix++) {
final int blockCount = blockCountByPrefixLen[prefix];
total += blockCount;
if (blockCount != 0) {
out.println(" " + String.format(Locale.ROOT, "%2d", prefix) + ": " + blockCount);
}
}
assert totalBlockCount == total;
}
try {
return bos.toString(IOUtils.UTF_8);
} catch (UnsupportedEncodingException bogus) {
throw new RuntimeException(bogus);
}
}
}
final Outputs<BytesRef> fstOutputs = ByteSequenceOutputs.getSingleton();
final BytesRef NO_OUTPUT = fstOutputs.getNoOutput();
@ -1310,7 +1140,7 @@ public class BlockTreeTermsReader extends FieldsProducer {
}
// Iterates through terms in this field
private final class SegmentTermsEnum extends TermsEnum {
final class SegmentTermsEnum extends TermsEnum {
private IndexInput in;
private Frame[] stack;
@ -2308,7 +2138,7 @@ public class BlockTreeTermsReader extends FieldsProducer {
// Not static -- references term, postingsReader,
// fieldInfo, in
private final class Frame {
final class Frame {
// Our index in stack[]:
final int ord;

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@ -1,4 +1,4 @@
package org.apache.lucene.codecs;
package org.apache.lucene.codecs.blocktree;
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
@ -21,6 +21,10 @@ import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.lucene.codecs.BlockTermState;
import org.apache.lucene.codecs.CodecUtil;
import org.apache.lucene.codecs.FieldsConsumer;
import org.apache.lucene.codecs.PostingsWriterBase;
import org.apache.lucene.index.FieldInfo.IndexOptions;
import org.apache.lucene.index.FieldInfo;
import org.apache.lucene.index.FieldInfos;

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@ -0,0 +1,198 @@
package org.apache.lucene.codecs.blocktree;
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
import java.util.Locale;
import org.apache.lucene.util.ArrayUtil;
import org.apache.lucene.util.BytesRef;
import org.apache.lucene.util.IOUtils;
/**
* BlockTree statistics for a single field
* returned by {@link FieldReader#computeStats()}.
*/
public class Stats {
/** How many nodes in the index FST. */
public long indexNodeCount;
/** How many arcs in the index FST. */
public long indexArcCount;
/** Byte size of the index. */
public long indexNumBytes;
/** Total number of terms in the field. */
public long totalTermCount;
/** Total number of bytes (sum of term lengths) across all terms in the field. */
public long totalTermBytes;
/** The number of normal (non-floor) blocks in the terms file. */
public int nonFloorBlockCount;
/** The number of floor blocks (meta-blocks larger than the
* allowed {@code maxItemsPerBlock}) in the terms file. */
public int floorBlockCount;
/** The number of sub-blocks within the floor blocks. */
public int floorSubBlockCount;
/** The number of "internal" blocks (that have both
* terms and sub-blocks). */
public int mixedBlockCount;
/** The number of "leaf" blocks (blocks that have only
* terms). */
public int termsOnlyBlockCount;
/** The number of "internal" blocks that do not contain
* terms (have only sub-blocks). */
public int subBlocksOnlyBlockCount;
/** Total number of blocks. */
public int totalBlockCount;
/** Number of blocks at each prefix depth. */
public int[] blockCountByPrefixLen = new int[10];
private int startBlockCount;
private int endBlockCount;
/** Total number of bytes used to store term suffixes. */
public long totalBlockSuffixBytes;
/** Total number of bytes used to store term stats (not
* including what the {@link PostingsBaseFormat}
* stores. */
public long totalBlockStatsBytes;
/** Total bytes stored by the {@link PostingsBaseFormat},
* plus the other few vInts stored in the frame. */
public long totalBlockOtherBytes;
/** Segment name. */
public final String segment;
/** Field name. */
public final String field;
Stats(String segment, String field) {
this.segment = segment;
this.field = field;
}
void startBlock(BlockTreeTermsReader.FieldReader.SegmentTermsEnum.Frame frame, boolean isFloor) {
totalBlockCount++;
if (isFloor) {
if (frame.fp == frame.fpOrig) {
floorBlockCount++;
}
floorSubBlockCount++;
} else {
nonFloorBlockCount++;
}
if (blockCountByPrefixLen.length <= frame.prefix) {
blockCountByPrefixLen = ArrayUtil.grow(blockCountByPrefixLen, 1+frame.prefix);
}
blockCountByPrefixLen[frame.prefix]++;
startBlockCount++;
totalBlockSuffixBytes += frame.suffixesReader.length();
totalBlockStatsBytes += frame.statsReader.length();
}
void endBlock(BlockTreeTermsReader.FieldReader.SegmentTermsEnum.Frame frame) {
final int termCount = frame.isLeafBlock ? frame.entCount : frame.state.termBlockOrd;
final int subBlockCount = frame.entCount - termCount;
totalTermCount += termCount;
if (termCount != 0 && subBlockCount != 0) {
mixedBlockCount++;
} else if (termCount != 0) {
termsOnlyBlockCount++;
} else if (subBlockCount != 0) {
subBlocksOnlyBlockCount++;
} else {
throw new IllegalStateException();
}
endBlockCount++;
final long otherBytes = frame.fpEnd - frame.fp - frame.suffixesReader.length() - frame.statsReader.length();
assert otherBytes > 0 : "otherBytes=" + otherBytes + " frame.fp=" + frame.fp + " frame.fpEnd=" + frame.fpEnd;
totalBlockOtherBytes += otherBytes;
}
void term(BytesRef term) {
totalTermBytes += term.length;
}
void finish() {
assert startBlockCount == endBlockCount: "startBlockCount=" + startBlockCount + " endBlockCount=" + endBlockCount;
assert totalBlockCount == floorSubBlockCount + nonFloorBlockCount: "floorSubBlockCount=" + floorSubBlockCount + " nonFloorBlockCount=" + nonFloorBlockCount + " totalBlockCount=" + totalBlockCount;
assert totalBlockCount == mixedBlockCount + termsOnlyBlockCount + subBlocksOnlyBlockCount: "totalBlockCount=" + totalBlockCount + " mixedBlockCount=" + mixedBlockCount + " subBlocksOnlyBlockCount=" + subBlocksOnlyBlockCount + " termsOnlyBlockCount=" + termsOnlyBlockCount;
}
@Override
public String toString() {
final ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);
PrintStream out;
try {
out = new PrintStream(bos, false, IOUtils.UTF_8);
} catch (UnsupportedEncodingException bogus) {
throw new RuntimeException(bogus);
}
out.println(" index FST:");
out.println(" " + indexNodeCount + " nodes");
out.println(" " + indexArcCount + " arcs");
out.println(" " + indexNumBytes + " bytes");
out.println(" terms:");
out.println(" " + totalTermCount + " terms");
out.println(" " + totalTermBytes + " bytes" + (totalTermCount != 0 ? " (" + String.format(Locale.ROOT, "%.1f", ((double) totalTermBytes)/totalTermCount) + " bytes/term)" : ""));
out.println(" blocks:");
out.println(" " + totalBlockCount + " blocks");
out.println(" " + termsOnlyBlockCount + " terms-only blocks");
out.println(" " + subBlocksOnlyBlockCount + " sub-block-only blocks");
out.println(" " + mixedBlockCount + " mixed blocks");
out.println(" " + floorBlockCount + " floor blocks");
out.println(" " + (totalBlockCount-floorSubBlockCount) + " non-floor blocks");
out.println(" " + floorSubBlockCount + " floor sub-blocks");
out.println(" " + totalBlockSuffixBytes + " term suffix bytes" + (totalBlockCount != 0 ? " (" + String.format(Locale.ROOT, "%.1f", ((double) totalBlockSuffixBytes)/totalBlockCount) + " suffix-bytes/block)" : ""));
out.println(" " + totalBlockStatsBytes + " term stats bytes" + (totalBlockCount != 0 ? " (" + String.format(Locale.ROOT, "%.1f", ((double) totalBlockStatsBytes)/totalBlockCount) + " stats-bytes/block)" : ""));
out.println(" " + totalBlockOtherBytes + " other bytes" + (totalBlockCount != 0 ? " (" + String.format(Locale.ROOT, "%.1f", ((double) totalBlockOtherBytes)/totalBlockCount) + " other-bytes/block)" : ""));
if (totalBlockCount != 0) {
out.println(" by prefix length:");
int total = 0;
for(int prefix=0;prefix<blockCountByPrefixLen.length;prefix++) {
final int blockCount = blockCountByPrefixLen[prefix];
total += blockCount;
if (blockCount != 0) {
out.println(" " + String.format(Locale.ROOT, "%2d", prefix) + ": " + blockCount);
}
}
assert totalBlockCount == total;
}
try {
return bos.toString(IOUtils.UTF_8);
} catch (UnsupportedEncodingException bogus) {
throw new RuntimeException(bogus);
}
}
}

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@ -19,14 +19,14 @@ package org.apache.lucene.codecs.lucene40;
import java.io.IOException;
import org.apache.lucene.codecs.BlockTreeTermsReader;
import org.apache.lucene.codecs.BlockTreeTermsWriter;
import org.apache.lucene.codecs.CodecUtil;
import org.apache.lucene.codecs.FieldsConsumer;
import org.apache.lucene.codecs.FieldsProducer;
import org.apache.lucene.codecs.PostingsFormat;
import org.apache.lucene.codecs.PostingsReaderBase;
import org.apache.lucene.codecs.PostingsWriterBase; // javadocs
import org.apache.lucene.codecs.blocktree.BlockTreeTermsReader;
import org.apache.lucene.codecs.blocktree.BlockTreeTermsWriter;
import org.apache.lucene.index.DocsEnum; // javadocs
import org.apache.lucene.index.FieldInfo.IndexOptions; // javadocs
import org.apache.lucene.index.FieldInfos; // javadocs

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@ -20,8 +20,6 @@ package org.apache.lucene.codecs.lucene41;
import java.io.IOException;
import org.apache.lucene.codecs.BlockTreeTermsReader;
import org.apache.lucene.codecs.BlockTreeTermsWriter;
import org.apache.lucene.codecs.CodecUtil;
import org.apache.lucene.codecs.FieldsConsumer;
import org.apache.lucene.codecs.FieldsProducer;
@ -29,6 +27,8 @@ import org.apache.lucene.codecs.MultiLevelSkipListWriter;
import org.apache.lucene.codecs.PostingsFormat;
import org.apache.lucene.codecs.PostingsReaderBase;
import org.apache.lucene.codecs.PostingsWriterBase;
import org.apache.lucene.codecs.blocktree.BlockTreeTermsReader;
import org.apache.lucene.codecs.blocktree.BlockTreeTermsWriter;
import org.apache.lucene.index.DocsEnum;
import org.apache.lucene.index.FieldInfo.IndexOptions;
import org.apache.lucene.index.SegmentReadState;

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@ -28,9 +28,10 @@ import java.util.List;
import java.util.Locale;
import java.util.Map;
import org.apache.lucene.codecs.BlockTreeTermsReader;
import org.apache.lucene.codecs.Codec;
import org.apache.lucene.codecs.PostingsFormat;
import org.apache.lucene.codecs.blocktree.BlockTreeTermsReader;
import org.apache.lucene.codecs.blocktree.Stats;
import org.apache.lucene.index.CheckIndex.Status.DocValuesStatus;
import org.apache.lucene.index.FieldInfo.IndexOptions;
import org.apache.lucene.search.DocIdSetIterator;
@ -45,6 +46,7 @@ import org.apache.lucene.util.FixedBitSet;
import org.apache.lucene.util.LongBitSet;
import org.apache.lucene.util.StringHelper;
/**
* Basic tool and API to check the health of an index and
* write a new segments file that removes reference to
@ -237,7 +239,7 @@ public class CheckIndex {
* tree terms dictionary (this is only set if the
* {@link PostingsFormat} for this segment uses block
* tree. */
public Map<String,BlockTreeTermsReader.Stats> blockTreeStats = null;
public Map<String,Stats> blockTreeStats = null;
}
/**
@ -1116,7 +1118,7 @@ public class CheckIndex {
} else {
if (fieldTerms instanceof BlockTreeTermsReader.FieldReader) {
final BlockTreeTermsReader.Stats stats = ((BlockTreeTermsReader.FieldReader) fieldTerms).computeStats();
final Stats stats = ((BlockTreeTermsReader.FieldReader) fieldTerms).computeStats();
assert stats != null;
if (status.blockTreeStats == null) {
status.blockTreeStats = new HashMap<>();
@ -1249,7 +1251,7 @@ public class CheckIndex {
}
if (verbose && status.blockTreeStats != null && infoStream != null && status.termCount > 0) {
for(Map.Entry<String,BlockTreeTermsReader.Stats> ent : status.blockTreeStats.entrySet()) {
for(Map.Entry<String,Stats> ent : status.blockTreeStats.entrySet()) {
infoStream.println(" field \"" + ent.getKey() + "\":");
infoStream.println(" " + ent.getValue().toString().replace("\n", "\n "));
}

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@ -19,9 +19,9 @@ package org.apache.lucene.codecs.lucene40;
import java.io.IOException;
import org.apache.lucene.codecs.BlockTreeTermsWriter;
import org.apache.lucene.codecs.FieldsConsumer;
import org.apache.lucene.codecs.PostingsWriterBase;
import org.apache.lucene.codecs.blocktree.BlockTreeTermsWriter;
import org.apache.lucene.index.SegmentWriteState;
import org.apache.lucene.util.LuceneTestCase;

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@ -20,8 +20,6 @@ package org.apache.lucene.codecs.mockrandom;
import java.io.IOException;
import java.util.Random;
import org.apache.lucene.codecs.BlockTreeTermsReader;
import org.apache.lucene.codecs.BlockTreeTermsWriter;
import org.apache.lucene.codecs.FieldsConsumer;
import org.apache.lucene.codecs.FieldsProducer;
import org.apache.lucene.codecs.PostingsFormat;
@ -36,6 +34,8 @@ import org.apache.lucene.codecs.blockterms.TermsIndexReaderBase;
import org.apache.lucene.codecs.blockterms.TermsIndexWriterBase;
import org.apache.lucene.codecs.blockterms.VariableGapTermsIndexReader;
import org.apache.lucene.codecs.blockterms.VariableGapTermsIndexWriter;
import org.apache.lucene.codecs.blocktree.BlockTreeTermsReader;
import org.apache.lucene.codecs.blocktree.BlockTreeTermsWriter;
import org.apache.lucene.codecs.lucene41.Lucene41PostingsReader;
import org.apache.lucene.codecs.lucene41.Lucene41PostingsWriter;
import org.apache.lucene.codecs.memory.FSTOrdTermsReader;

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@ -19,13 +19,13 @@ package org.apache.lucene.codecs.nestedpulsing;
import java.io.IOException;
import org.apache.lucene.codecs.BlockTreeTermsReader;
import org.apache.lucene.codecs.BlockTreeTermsWriter;
import org.apache.lucene.codecs.FieldsConsumer;
import org.apache.lucene.codecs.FieldsProducer;
import org.apache.lucene.codecs.PostingsFormat;
import org.apache.lucene.codecs.PostingsReaderBase;
import org.apache.lucene.codecs.PostingsWriterBase;
import org.apache.lucene.codecs.blocktree.BlockTreeTermsReader;
import org.apache.lucene.codecs.blocktree.BlockTreeTermsWriter;
import org.apache.lucene.codecs.lucene41.Lucene41PostingsReader;
import org.apache.lucene.codecs.lucene41.Lucene41PostingsWriter;
import org.apache.lucene.codecs.pulsing.PulsingPostingsReader;