Add DictUpdater.

Change-Id: Ic586e46e5a9f59de53d53e59886d635345940974
main
Yuichiro Hanada 2013-09-30 11:42:52 +09:00
parent 7e6e97014d
commit d6e307a4b7
7 changed files with 188 additions and 135 deletions

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@ -288,42 +288,6 @@ public final class BinaryDictIOUtils {
return BinaryDictEncoderUtils.getByteSize(value);
}
// TODO: Remove this method.
@Deprecated
static void skipPtNode(final DictBuffer dictBuffer, final FormatOptions formatOptions) {
final int flags = dictBuffer.readUnsignedByte();
BinaryDictDecoderUtils.readParentAddress(dictBuffer, formatOptions);
skipString(dictBuffer, (flags & FormatSpec.FLAG_HAS_MULTIPLE_CHARS) != 0);
BinaryDictDecoderUtils.readChildrenAddress(dictBuffer, flags, formatOptions);
if ((flags & FormatSpec.FLAG_IS_TERMINAL) != 0) dictBuffer.readUnsignedByte();
if ((flags & FormatSpec.FLAG_HAS_SHORTCUT_TARGETS) != 0) {
final int shortcutsSize = dictBuffer.readUnsignedShort();
dictBuffer.position(dictBuffer.position() + shortcutsSize
- FormatSpec.PTNODE_SHORTCUT_LIST_SIZE_SIZE);
}
if ((flags & FormatSpec.FLAG_HAS_BIGRAMS) != 0) {
int bigramCount = 0;
while (bigramCount++ < FormatSpec.MAX_BIGRAMS_IN_A_PTNODE) {
final int bigramFlags = dictBuffer.readUnsignedByte();
switch (bigramFlags & FormatSpec.MASK_BIGRAM_ATTR_ADDRESS_TYPE) {
case FormatSpec.FLAG_BIGRAM_ATTR_ADDRESS_TYPE_ONEBYTE:
dictBuffer.readUnsignedByte();
break;
case FormatSpec.FLAG_BIGRAM_ATTR_ADDRESS_TYPE_TWOBYTES:
dictBuffer.readUnsignedShort();
break;
case FormatSpec.FLAG_BIGRAM_ATTR_ADDRESS_TYPE_THREEBYTES:
dictBuffer.readUnsignedInt24();
break;
}
if ((bigramFlags & FormatSpec.FLAG_BIGRAM_SHORTCUT_ATTR_HAS_NEXT) == 0) break;
}
if (bigramCount >= FormatSpec.MAX_BIGRAMS_IN_A_PTNODE) {
throw new RuntimeException("Too many bigrams in a PtNode.");
}
}
}
static void skipString(final DictBuffer dictBuffer,
final boolean hasMultipleChars) {
if (hasMultipleChars) {

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@ -0,0 +1,50 @@
/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed 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.
*/
package com.android.inputmethod.latin.makedict;
import com.android.inputmethod.latin.makedict.FusionDictionary.WeightedString;
import java.io.IOException;
import java.util.ArrayList;
/**
* An interface of a binary dictionary updater.
*/
public interface DictUpdater {
/**
* Deletes the word from the binary dictionary.
*
* @param word the word to be deleted.
*/
public void deleteWord(final String word) throws IOException, UnsupportedFormatException;
/**
* Inserts a word into a binary dictionary.
*
* @param word the word to be inserted.
* @param frequency the frequency of the new word.
* @param bigramStrings bigram list, or null if none.
* @param shortcuts shortcut list, or null if none.
* @param isBlackListEntry whether this should be a blacklist entry.
*/
// TODO: Support batch insertion.
public void insertWord(final String word, final int frequency,
final ArrayList<WeightedString> bigramStrings,
final ArrayList<WeightedString> shortcuts, final boolean isNotAWord,
final boolean isBlackListEntry) throws IOException, UnsupportedFormatException;
}

View File

@ -42,44 +42,22 @@ public final class DynamicBinaryDictIOUtils {
// This utility class is not publicly instantiable.
}
private static int markAsDeleted(final int flags) {
/* package */ static int markAsDeleted(final int flags) {
return (flags & (~FormatSpec.MASK_CHILDREN_ADDRESS_TYPE)) | FormatSpec.FLAG_IS_DELETED;
}
/**
* Delete the word from the binary file.
*
* @param dictDecoder the dict decoder.
* @param word the word we delete
* @throws IOException
* @throws UnsupportedFormatException
*/
@UsedForTesting
public static void deleteWord(final Ver3DictDecoder dictDecoder, final String word)
throws IOException, UnsupportedFormatException {
final DictBuffer dictBuffer = dictDecoder.getDictBuffer();
dictBuffer.position(0);
dictDecoder.readHeader();
final int wordPosition = dictDecoder.getTerminalPosition(word);
if (wordPosition == FormatSpec.NOT_VALID_WORD) return;
dictBuffer.position(wordPosition);
final int flags = dictBuffer.readUnsignedByte();
dictBuffer.position(wordPosition);
dictBuffer.put((byte)markAsDeleted(flags));
}
/**
* Update a parent address in a PtNode that is referred to by ptNodeOriginAddress.
*
* @param dictBuffer the DictBuffer to write.
* @param dictUpdater the DictUpdater to write.
* @param ptNodeOriginAddress the address of the PtNode.
* @param newParentAddress the absolute address of the parent.
* @param formatOptions file format options.
*/
private static void updateParentAddress(final DictBuffer dictBuffer,
private static void updateParentAddress(final Ver3DictUpdater dictUpdater,
final int ptNodeOriginAddress, final int newParentAddress,
final FormatOptions formatOptions) {
final DictBuffer dictBuffer = dictUpdater.getDictBuffer();
final int originalPosition = dictBuffer.position();
dictBuffer.position(ptNodeOriginAddress);
if (!formatOptions.mSupportsDynamicUpdate) {
@ -104,41 +82,41 @@ public final class DynamicBinaryDictIOUtils {
/**
* Update parent addresses in a node array stored at ptNodeOriginAddress.
*
* @param dictBuffer the DictBuffer to be modified.
* @param dictUpdater the DictUpdater to be modified.
* @param ptNodeOriginAddress the address of the node array to update.
* @param newParentAddress the address to be written.
* @param formatOptions file format options.
*/
private static void updateParentAddresses(final DictBuffer dictBuffer,
private static void updateParentAddresses(final Ver3DictUpdater dictUpdater,
final int ptNodeOriginAddress, final int newParentAddress,
final FormatOptions formatOptions) {
final int originalPosition = dictBuffer.position();
dictBuffer.position(ptNodeOriginAddress);
final int originalPosition = dictUpdater.getPosition();
dictUpdater.setPosition(ptNodeOriginAddress);
do {
final int count = BinaryDictDecoderUtils.readPtNodeCount(dictBuffer);
final int count = dictUpdater.readPtNodeCount();
for (int i = 0; i < count; ++i) {
updateParentAddress(dictBuffer, dictBuffer.position(), newParentAddress,
updateParentAddress(dictUpdater, dictUpdater.getPosition(), newParentAddress,
formatOptions);
BinaryDictIOUtils.skipPtNode(dictBuffer, formatOptions);
dictUpdater.skipPtNode(formatOptions);
}
final int forwardLinkAddress = dictBuffer.readUnsignedInt24();
dictBuffer.position(forwardLinkAddress);
} while (formatOptions.mSupportsDynamicUpdate
&& dictBuffer.position() != FormatSpec.NO_FORWARD_LINK_ADDRESS);
dictBuffer.position(originalPosition);
if (!dictUpdater.readAndFollowForwardLink()) break;
if (dictUpdater.getPosition() == FormatSpec.NO_FORWARD_LINK_ADDRESS) break;
} while (formatOptions.mSupportsDynamicUpdate);
dictUpdater.setPosition(originalPosition);
}
/**
* Update a children address in a PtNode that is addressed by ptNodeOriginAddress.
*
* @param dictBuffer the DictBuffer to write.
* @param dictUpdater the DictUpdater to write.
* @param ptNodeOriginAddress the address of the PtNode.
* @param newChildrenAddress the absolute address of the child.
* @param formatOptions file format options.
*/
private static void updateChildrenAddress(final DictBuffer dictBuffer,
private static void updateChildrenAddress(final Ver3DictUpdater dictUpdater,
final int ptNodeOriginAddress, final int newChildrenAddress,
final FormatOptions formatOptions) {
final DictBuffer dictBuffer = dictUpdater.getDictBuffer();
final int originalPosition = dictBuffer.position();
dictBuffer.position(ptNodeOriginAddress);
final int flags = dictBuffer.readUnsignedByte();
@ -155,31 +133,33 @@ public final class DynamicBinaryDictIOUtils {
* Helper method to move a PtNode to the tail of the file.
*/
private static int movePtNode(final OutputStream destination,
final DictBuffer dictBuffer, final PtNodeInfo info,
final Ver3DictUpdater dictUpdater, final PtNodeInfo info,
final int nodeArrayOriginAddress, final int oldNodeAddress,
final FormatOptions formatOptions) throws IOException {
updateParentAddress(dictBuffer, oldNodeAddress, dictBuffer.limit() + 1, formatOptions);
final DictBuffer dictBuffer = dictUpdater.getDictBuffer();
updateParentAddress(dictUpdater, oldNodeAddress, dictBuffer.limit() + 1, formatOptions);
dictBuffer.position(oldNodeAddress);
final int currentFlags = dictBuffer.readUnsignedByte();
dictBuffer.position(oldNodeAddress);
dictBuffer.put((byte)(FormatSpec.FLAG_IS_MOVED | (currentFlags
& (~FormatSpec.MASK_MOVE_AND_DELETE_FLAG))));
int size = FormatSpec.PTNODE_FLAGS_SIZE;
updateForwardLink(dictBuffer, nodeArrayOriginAddress, dictBuffer.limit(), formatOptions);
updateForwardLink(dictUpdater, nodeArrayOriginAddress, dictBuffer.limit(), formatOptions);
size += BinaryDictIOUtils.writeNodes(destination, new PtNodeInfo[] { info });
return size;
}
@SuppressWarnings("unused")
private static void updateForwardLink(final DictBuffer dictBuffer,
private static void updateForwardLink(final Ver3DictUpdater dictUpdater,
final int nodeArrayOriginAddress, final int newNodeArrayAddress,
final FormatOptions formatOptions) {
dictBuffer.position(nodeArrayOriginAddress);
final DictBuffer dictBuffer = dictUpdater.getDictBuffer();
dictUpdater.setPosition(nodeArrayOriginAddress);
int jumpCount = 0;
while (jumpCount++ < MAX_JUMPS) {
final int count = BinaryDictDecoderUtils.readPtNodeCount(dictBuffer);
final int count = dictUpdater.readPtNodeCount();
for (int i = 0; i < count; ++i) {
BinaryDictIOUtils.skipPtNode(dictBuffer, formatOptions);
dictUpdater.readPtNode(dictUpdater.getPosition(), formatOptions);
}
final int forwardLinkAddress = dictBuffer.readUnsignedInt24();
if (forwardLinkAddress == FormatSpec.NO_FORWARD_LINK_ADDRESS) {
@ -207,7 +187,7 @@ public final class DynamicBinaryDictIOUtils {
* @param shortcutTargets the shortcut targets for this PtNode.
* @param bigrams the bigrams for this PtNode.
* @param destination the stream representing the tail of the file.
* @param dictBuffer the DictBuffer representing the (constant-size) body of the file.
* @param dictUpdater the DictUpdater.
* @param oldPtNodeArrayOrigin the origin of the old PtNode array this PtNode was a part of.
* @param oldPtNodeOrigin the old origin where this PtNode used to be stored.
* @param formatOptions format options for this dictionary.
@ -218,7 +198,7 @@ public final class DynamicBinaryDictIOUtils {
final int length, final int flags, final int frequency, final int parentAddress,
final ArrayList<WeightedString> shortcutTargets,
final ArrayList<PendingAttribute> bigrams, final OutputStream destination,
final DictBuffer dictBuffer, final int oldPtNodeArrayOrigin,
final Ver3DictUpdater dictUpdater, final int oldPtNodeArrayOrigin,
final int oldPtNodeOrigin, final FormatOptions formatOptions) throws IOException {
int size = 0;
final int newPtNodeOrigin = fileEndAddress + 1;
@ -231,7 +211,7 @@ public final class DynamicBinaryDictIOUtils {
flags, writtenCharacters, frequency, parentAddress,
fileEndAddress + 1 + size + FormatSpec.FORWARD_LINK_ADDRESS_SIZE, shortcutTargets,
bigrams);
movePtNode(destination, dictBuffer, newInfo, oldPtNodeArrayOrigin, oldPtNodeOrigin,
movePtNode(destination, dictUpdater, newInfo, oldPtNodeArrayOrigin, oldPtNodeOrigin,
formatOptions);
return 1 + size + FormatSpec.FORWARD_LINK_ADDRESS_SIZE;
}
@ -239,7 +219,7 @@ public final class DynamicBinaryDictIOUtils {
/**
* Insert a word into a binary dictionary.
*
* @param dictDecoder the dict decoder.
* @param dictUpdater the dict updater.
* @param destination a stream to the underlying file, with the pointer at the end of the file.
* @param word the word to insert.
* @param frequency the frequency of the new word.
@ -252,17 +232,17 @@ public final class DynamicBinaryDictIOUtils {
// TODO: Support batch insertion.
// TODO: Remove @UsedForTesting once UserHistoryDictionary is implemented by BinaryDictionary.
@UsedForTesting
public static void insertWord(final Ver3DictDecoder dictDecoder,
public static void insertWord(final Ver3DictUpdater dictUpdater,
final OutputStream destination, final String word, final int frequency,
final ArrayList<WeightedString> bigramStrings,
final ArrayList<WeightedString> shortcuts, final boolean isNotAWord,
final boolean isBlackListEntry)
throws IOException, UnsupportedFormatException {
final ArrayList<PendingAttribute> bigrams = new ArrayList<PendingAttribute>();
final DictBuffer dictBuffer = dictDecoder.getDictBuffer();
final DictBuffer dictBuffer = dictUpdater.getDictBuffer();
if (bigramStrings != null) {
for (final WeightedString bigram : bigramStrings) {
int position = dictDecoder.getTerminalPosition(bigram.mWord);
int position = dictUpdater.getTerminalPosition(bigram.mWord);
if (position == FormatSpec.NOT_VALID_WORD) {
// TODO: figure out what is the correct thing to do here.
} else {
@ -277,7 +257,7 @@ public final class DynamicBinaryDictIOUtils {
// find the insert position of the word.
if (dictBuffer.position() != 0) dictBuffer.position(0);
final FileHeader fileHeader = dictDecoder.readHeader();
final FileHeader fileHeader = dictUpdater.readHeader();
int wordPos = 0, address = dictBuffer.position(), nodeOriginAddress = dictBuffer.position();
final int[] codePoints = FusionDictionary.getCodePoints(word);
@ -292,7 +272,7 @@ public final class DynamicBinaryDictIOUtils {
for (int i = 0; i < ptNodeCount; ++i) {
address = dictBuffer.position();
final PtNodeInfo currentInfo = dictDecoder.readPtNode(address,
final PtNodeInfo currentInfo = dictUpdater.readPtNode(address,
fileHeader.mFormatOptions);
final boolean isMovedNode = BinaryDictIOUtils.isMovedPtNode(currentInfo.mFlags,
fileHeader.mFormatOptions);
@ -318,12 +298,12 @@ public final class DynamicBinaryDictIOUtils {
false /* isBlackListEntry */, fileHeader.mFormatOptions);
int written = movePtNode(newNodeAddress, currentInfo.mCharacters, p, flags,
frequency, nodeParentAddress, shortcuts, bigrams, destination,
dictBuffer, nodeOriginAddress, address, fileHeader.mFormatOptions);
dictUpdater, nodeOriginAddress, address, fileHeader.mFormatOptions);
final int[] characters2 = Arrays.copyOfRange(currentInfo.mCharacters, p,
currentInfo.mCharacters.length);
if (currentInfo.mChildrenAddress != FormatSpec.NO_CHILDREN_ADDRESS) {
updateParentAddresses(dictBuffer, currentInfo.mChildrenAddress,
updateParentAddresses(dictUpdater, currentInfo.mChildrenAddress,
newNodeAddress + written + 1, fileHeader.mFormatOptions);
}
final PtNodeInfo newInfo2 = new PtNodeInfo(
@ -359,13 +339,13 @@ public final class DynamicBinaryDictIOUtils {
fileHeader.mFormatOptions);
int written = movePtNode(newNodeAddress, currentInfo.mCharacters, p,
prefixFlags, -1 /* frequency */, nodeParentAddress, null, null,
destination, dictBuffer, nodeOriginAddress, address,
destination, dictUpdater, nodeOriginAddress, address,
fileHeader.mFormatOptions);
final int[] suffixCharacters = Arrays.copyOfRange(
currentInfo.mCharacters, p, currentInfo.mCharacters.length);
if (currentInfo.mChildrenAddress != FormatSpec.NO_CHILDREN_ADDRESS) {
updateParentAddresses(dictBuffer, currentInfo.mChildrenAddress,
updateParentAddresses(dictUpdater, currentInfo.mChildrenAddress,
newNodeAddress + written + 1, fileHeader.mFormatOptions);
}
final int suffixFlags = BinaryDictEncoderUtils.makePtNodeFlags(
@ -416,7 +396,7 @@ public final class DynamicBinaryDictIOUtils {
-1 /* endAddress */, flags, currentInfo.mCharacters, frequency,
nodeParentAddress, currentInfo.mChildrenAddress, shortcuts,
bigrams);
movePtNode(destination, dictBuffer, newInfo, nodeOriginAddress, address,
movePtNode(destination, dictUpdater, newInfo, nodeOriginAddress, address,
fileHeader.mFormatOptions);
return;
}
@ -435,7 +415,7 @@ public final class DynamicBinaryDictIOUtils {
* ab - cd - e
*/
final int newNodeArrayAddress = dictBuffer.limit();
updateChildrenAddress(dictBuffer, address, newNodeArrayAddress,
updateChildrenAddress(dictUpdater, address, newNodeArrayAddress,
fileHeader.mFormatOptions);
final int newNodeAddress = newNodeArrayAddress + 1;
final boolean hasMultipleChars = (wordLen - wordPos) > 1;

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@ -53,9 +53,9 @@ public class Ver3DictDecoder extends DictDecoder {
}
}
private final File mDictionaryBinaryFile;
protected final File mDictionaryBinaryFile;
private final DictionaryBufferFactory mBufferFactory;
private DictBuffer mDictBuffer;
protected DictBuffer mDictBuffer;
/* package */ Ver3DictDecoder(final File file, final int factoryFlag) {
mDictionaryBinaryFile = file;

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@ -0,0 +1,82 @@
/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed 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.
*/
package com.android.inputmethod.latin.makedict;
import com.android.inputmethod.annotations.UsedForTesting;
import com.android.inputmethod.latin.makedict.FusionDictionary.WeightedString;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
/**
* An implementation of DictUpdater for version 3 binary dictionary.
*/
@UsedForTesting
public class Ver3DictUpdater extends Ver3DictDecoder implements DictUpdater {
private OutputStream mOutStream;
@UsedForTesting
public Ver3DictUpdater(final File dictFile, final int factoryType) {
// DictUpdater must have an updatable DictBuffer.
super(dictFile, ((factoryType & MASK_DICTBUFFER) == USE_BYTEARRAY)
? USE_BYTEARRAY : USE_WRITABLE_BYTEBUFFER);
mOutStream = null;
}
private void openStreamAndBuffer() throws FileNotFoundException, IOException {
super.openDictBuffer();
mOutStream = new FileOutputStream(mDictionaryBinaryFile, true /* append */);
}
private void close() throws IOException {
if (mOutStream != null) {
mOutStream.close();
mOutStream = null;
}
}
@Override @UsedForTesting
public void deleteWord(final String word) throws IOException, UnsupportedFormatException {
if (mOutStream == null) openStreamAndBuffer();
mDictBuffer.position(0);
super.readHeader();
final int wordPos = getTerminalPosition(word);
if (wordPos != FormatSpec.NOT_VALID_WORD) {
mDictBuffer.position(wordPos);
final int flags = mDictBuffer.readUnsignedByte();
mDictBuffer.position(wordPos);
mDictBuffer.put((byte) DynamicBinaryDictIOUtils.markAsDeleted(flags));
}
close();
}
@Override @UsedForTesting
public void insertWord(final String word, final int frequency,
final ArrayList<WeightedString> bigramStrings,
final ArrayList<WeightedString> shortcuts,
final boolean isNotAWord, final boolean isBlackListEntry)
throws IOException, UnsupportedFormatException {
if (mOutStream == null) openStreamAndBuffer();
DynamicBinaryDictIOUtils.insertWord(this, mOutStream, word, frequency, bigramStrings,
shortcuts, isNotAWord, isBlackListEntry);
close();
}
}

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@ -657,27 +657,21 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
addUnigrams(sWords.size(), dict, sWords, null /* shortcutMap */);
timeWritingDictToFile(file, dict, VERSION3_WITH_DYNAMIC_UPDATE);
final Ver3DictDecoder dictDecoder = new Ver3DictDecoder(file, DictDecoder.USE_BYTEARRAY);
try {
dictDecoder.openDictBuffer();
} catch (IOException e) {
// ignore
Log.e(TAG, "IOException while opening the buffer", e);
}
assertTrue("Can't get the buffer", dictDecoder.isDictBufferOpen());
final Ver3DictUpdater dictUpdater = new Ver3DictUpdater(file,
DictDecoder.USE_WRITABLE_BYTEBUFFER);
try {
MoreAsserts.assertNotEqual(FormatSpec.NOT_VALID_WORD,
dictDecoder.getTerminalPosition(sWords.get(0)));
DynamicBinaryDictIOUtils.deleteWord(dictDecoder, sWords.get(0));
dictUpdater.getTerminalPosition(sWords.get(0)));
dictUpdater.deleteWord(sWords.get(0));
assertEquals(FormatSpec.NOT_VALID_WORD,
dictDecoder.getTerminalPosition(sWords.get(0)));
dictUpdater.getTerminalPosition(sWords.get(0)));
MoreAsserts.assertNotEqual(FormatSpec.NOT_VALID_WORD,
dictDecoder.getTerminalPosition(sWords.get(5)));
DynamicBinaryDictIOUtils.deleteWord(dictDecoder, sWords.get(5));
dictUpdater.getTerminalPosition(sWords.get(5)));
dictUpdater.deleteWord(sWords.get(5));
assertEquals(FormatSpec.NOT_VALID_WORD,
dictDecoder.getTerminalPosition(sWords.get(5)));
dictUpdater.getTerminalPosition(sWords.get(5)));
} catch (IOException e) {
} catch (UnsupportedFormatException e) {
}

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@ -27,9 +27,7 @@ import com.android.inputmethod.latin.makedict.FusionDictionary.PtNodeArray;
import com.android.inputmethod.latin.makedict.FusionDictionary.WeightedString;
import com.android.inputmethod.latin.utils.CollectionUtils;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
@ -186,46 +184,31 @@ public class BinaryDictIOUtilsTests extends AndroidTestCase {
private long insertAndCheckWord(final File file, final String word, final int frequency,
final boolean exist, final ArrayList<WeightedString> bigrams,
final ArrayList<WeightedString> shortcuts) {
BufferedOutputStream outStream = null;
long amountOfTime = -1;
try {
final Ver3DictDecoder dictDecoder = new Ver3DictDecoder(file,
final Ver3DictUpdater dictUpdater = new Ver3DictUpdater(file,
DictDecoder.USE_WRITABLE_BYTEBUFFER);
dictDecoder.openDictBuffer();
outStream = new BufferedOutputStream(new FileOutputStream(file, true));
if (!exist) {
assertEquals(FormatSpec.NOT_VALID_WORD, getWordPosition(file, word));
}
final long now = System.nanoTime();
DynamicBinaryDictIOUtils.insertWord(dictDecoder, outStream, word, frequency, bigrams,
shortcuts, false, false);
dictUpdater.insertWord(word, frequency, bigrams, shortcuts, false, false);
amountOfTime = System.nanoTime() - now;
outStream.flush();
MoreAsserts.assertNotEqual(FormatSpec.NOT_VALID_WORD, getWordPosition(file, word));
outStream.close();
} catch (IOException e) {
Log.e(TAG, "Raised an IOException while inserting a word", e);
} catch (UnsupportedFormatException e) {
Log.e(TAG, "Raised an UnsupportedFormatException error while inserting a word", e);
} finally {
if (outStream != null) {
try {
outStream.close();
} catch (IOException e) {
Log.e(TAG, "Failed to close the output stream", e);
}
}
}
return amountOfTime;
}
private void deleteWord(final File file, final String word) {
try {
final Ver3DictDecoder dictDecoder = new Ver3DictDecoder(file,
final Ver3DictUpdater dictUpdater = new Ver3DictUpdater(file,
DictDecoder.USE_WRITABLE_BYTEBUFFER);
dictDecoder.openDictBuffer();
DynamicBinaryDictIOUtils.deleteWord(dictDecoder, word);
dictUpdater.deleteWord(word);
} catch (IOException e) {
} catch (UnsupportedFormatException e) {
}