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LUCENE-1672: Deprecate all String/File ctors/opens in IndexReader/IndexWriter/IndexSearcher 

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@782469 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Uwe Schindler 2009-06-07 21:52:41 +00:00
parent a93e2c41b0
commit 406454d30b
21 changed files with 91 additions and 58 deletions
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6
CHANGES.txt
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@ -185,6 +185,12 @@ API Changes
iterator has exhausted. Otherwise it should return the current doc ID.
(Shai Erera via Mike McCandless)
19. LUCENE-1672: All ctors/opens and other methods using String/File to
specify the directory in IndexReader, IndexWriter, and IndexSearcher
were deprecated. You should instantiate the Directory manually before
and pass it to these classes (LUCENE-1451, LUCENE-1658).
(Uwe Schindler)
Bug fixes
1. LUCENE-1415: MultiPhraseQuery has incorrect hashCode() and equals()

2
contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask/PerfRunData.java
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@ -128,7 +128,7 @@ public class PerfRunData {
FileUtils.fullyDelete(indexDir);
}
indexDir.mkdirs();
directory = FSDirectory.getDirectory(indexDir);
directory = FSDirectory.open(indexDir);
} else {
directory = new RAMDirectory();
}

2
contrib/benchmark/src/java/org/apache/lucene/benchmark/quality/utils/QualityQueriesFinder.java
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@ -52,7 +52,7 @@ public class QualityQueriesFinder {
System.err.println("Usage: java QualityQueriesFinder <index-dir>");
System.exit(1);
}
QualityQueriesFinder qqf = new QualityQueriesFinder(FSDirectory.getDirectory(new File(args[0])));
QualityQueriesFinder qqf = new QualityQueriesFinder(FSDirectory.open(new File(args[0])));
String q[] = qqf.bestQueries("body",20);
for (int i=0; i<q.length; i++) {
System.out.println(newline+formatQueryAsTrecTopic(i,q[i],null,null));

2
contrib/benchmark/src/java/org/apache/lucene/benchmark/standard/StandardBenchmarker.java
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@ -92,7 +92,7 @@ public class StandardBenchmarker extends AbstractBenchmarker implements Benchmar
try
{
reset(indexDir);
params[i].setDirectory(FSDirectory.getDirectory(indexDir));
params[i].setDirectory(FSDirectory.open(indexDir));
params[i].setQueries(qds);
System.out.println(params[i]);
runBenchmark(params[i], options);

2
contrib/benchmark/src/test/org/apache/lucene/benchmark/quality/TestQualityRun.java
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@ -82,7 +82,7 @@ public class TestQualityRun extends TestCase {
// validate topics & judgments match each other
judge.validateData(qqs, logger);
IndexSearcher searcher = new IndexSearcher(FSDirectory.getDirectory(new File(workDir,"index")));
IndexSearcher searcher = new IndexSearcher(FSDirectory.open(new File(workDir,"index")));
QualityQueryParser qqParser = new SimpleQQParser("title","body");
QualityBenchmark qrun = new QualityBenchmark(qqs, qqParser, searcher, docNameField);

2
contrib/instantiated/src/test/org/apache/lucene/store/instantiated/TestIndicesEquals.java
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@ -47,7 +47,7 @@ import org.apache.lucene.store.RAMDirectory;
public class TestIndicesEquals extends TestCase {
// public void test2() throws Exception {
// FSDirectory fsdir = FSDirectory.getDirectory("/tmp/fatcorpus");
// FSDirectory fsdir = FSDirectory.open(new File("/tmp/fatcorpus"));
// IndexReader ir = IndexReader.open(fsdir);
// InstantiatedIndex ii = new InstantiatedIndex(ir);
// ir.close();

3
contrib/miscellaneous/src/java/org/apache/lucene/index/FieldNormModifier.java
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@ -17,6 +17,7 @@ package org.apache.lucene.index;
*/
import java.io.IOException;
import java.io.File;
import java.util.Date;
import org.apache.lucene.search.Similarity;
@ -62,7 +63,7 @@ public class FieldNormModifier {
}
}
Directory d = FSDirectory.getDirectory(args[0], false);
Directory d = FSDirectory.open(new File(args[0]));
FieldNormModifier fnm = new FieldNormModifier(d, s);
for (int i = 2; i < args.length; i++) {

2
contrib/miscellaneous/src/java/org/apache/lucene/misc/IndexMergeTool.java
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@ -41,7 +41,7 @@ public class IndexMergeTool {
Directory[] indexes = new Directory[args.length - 1];
for (int i = 1; i < args.length; i++) {
indexes[i - 1] = FSDirectory.getDirectory(args[i], false);
indexes[i - 1] = FSDirectory.open(new File(args[i]));
}
System.out.println("Merging...");

2
contrib/miscellaneous/src/java/org/apache/lucene/misc/LengthNormModifier.java
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@ -65,7 +65,7 @@ public class LengthNormModifier {
}
File index = new File(args[0]);
Directory d = FSDirectory.getDirectory(index,false);
Directory d = FSDirectory.open(index);
LengthNormModifier lnm = new LengthNormModifier(d, s);

3
contrib/wordnet/src/java/org/apache/lucene/wordnet/SynExpand.java
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@ -19,6 +19,7 @@ package org.apache.lucene.wordnet;
import java.io.IOException;
import java.io.StringReader;
import java.io.File;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
@ -68,7 +69,7 @@ public final class SynExpand {
"java org.apache.lucene.wordnet.SynExpand <index path> <query>");
}
FSDirectory directory = FSDirectory.getDirectory(args[0], false);
FSDirectory directory = FSDirectory.open(new File(args[0]));
IndexSearcher searcher = new IndexSearcher(directory);
String query = args[1];

3
contrib/wordnet/src/java/org/apache/lucene/wordnet/SynLookup.java
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@ -19,6 +19,7 @@ package org.apache.lucene.wordnet;
import java.io.IOException;
import java.io.StringReader;
import java.io.File;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
@ -51,7 +52,7 @@ public class SynLookup {
"java org.apache.lucene.wordnet.SynLookup <index path> <word>");
}
FSDirectory directory = FSDirectory.getDirectory(args[0], false);
FSDirectory directory = FSDirectory.open(new File(args[0]));
IndexSearcher searcher = new IndexSearcher(directory);
String word = args[1];

4
src/demo/org/apache/lucene/demo/DeleteFiles.java
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@ -17,6 +17,8 @@ package org.apache.lucene.demo;
* limitations under the License.
*/
import java.io.File;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.FSDirectory;
import org.apache.lucene.index.IndexReader;
@ -37,7 +39,7 @@ public class DeleteFiles {
System.exit(1);
}
try {
Directory directory = FSDirectory.getDirectory("index");
Directory directory = FSDirectory.open(new File("index"));
IndexReader reader = IndexReader.open(directory);
Term term = new Term("path", args[0]);

3
src/java/org/apache/lucene/index/CheckIndex.java
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@ -26,6 +26,7 @@ import org.apache.lucene.document.Document;
import java.text.NumberFormat;
import java.io.PrintStream;
import java.io.IOException;
import java.io.File;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
@ -702,7 +703,7 @@ public class CheckIndex {
System.out.println("\nOpening index @ " + indexPath + "\n");
Directory dir = null;
try {
dir = FSDirectory.getDirectory(indexPath);
dir = FSDirectory.open(new File(indexPath));
} catch (Throwable t) {
System.out.println("ERROR: could not open directory \"" + indexPath + "\"; exiting");
t.printStackTrace(System.out);

16
src/java/org/apache/lucene/index/DirectoryReader.java
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@ -456,12 +456,16 @@ class DirectoryReader extends IndexReader implements Cloneable {
DirectoryReader reader = null;
// While trying to reopen, we temporarily mark our
// closeDirectory as false. This way any exceptions hit
// partway while opening the reader, which is expected
// eg if writer is committing, won't close our
// directory. We restore this value below:
final boolean myCloseDirectory = closeDirectory;
/* TODO: Remove this in 3.0 - the directory is then
* no longer owned by the IndexReader and must not be
* closed.
* While trying to reopen, we temporarily mark our
* closeDirectory as false. This way any exceptions hit
* partway while opening the reader, which is expected
* eg if writer is committing, won't close our
* directory. We restore this value below:
*/
final boolean myCloseDirectory = closeDirectory; // @deprectated
closeDirectory = false;
try {

8
src/java/org/apache/lucene/index/IndexModifier.java
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@ -97,7 +97,7 @@ public class IndexModifier {
protected Directory directory = null;
protected Analyzer analyzer = null;
protected boolean open = false;
protected boolean open = false, closeDir = false;
// Lucene defaults:
protected PrintStream infoStream = null;
@ -138,6 +138,7 @@ public class IndexModifier {
*/
public IndexModifier(String dirName, Analyzer analyzer, boolean create) throws CorruptIndexException, LockObtainFailedException, IOException {
Directory dir = FSDirectory.getDirectory(dirName);
this.closeDir = true;
init(dir, analyzer, create);
}
@ -156,6 +157,7 @@ public class IndexModifier {
*/
public IndexModifier(File file, Analyzer analyzer, boolean create) throws CorruptIndexException, LockObtainFailedException, IOException {
Directory dir = FSDirectory.getDirectory(file);
this.closeDir = true;
init(dir, analyzer, create);
}
@ -578,6 +580,10 @@ public class IndexModifier {
indexReader = null;
}
open = false;
if (closeDir) {
directory.close();
}
closeDir = false;
}
}

64
src/java/org/apache/lucene/index/IndexReader.java
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@ -204,7 +204,8 @@ public abstract class IndexReader implements Cloneable {
* path.
* @throws CorruptIndexException if the index is corrupt
* @throws IOException if there is a low-level IO error
* @deprecated Use {@link #open(Directory, boolean)} instead
* @deprecated This method will be removed in the 3.0 release.
* Use {@link #open(Directory, boolean)} instead
* @param path the path to the index directory */
public static IndexReader open(String path) throws CorruptIndexException, IOException {
return open(FSDirectory.getDirectory(path), true, null, null, false);
@ -220,7 +221,9 @@ public abstract class IndexReader implements Cloneable {
* @param path the path to the index directory
* @param readOnly true if this should be a readOnly
* reader
* @deprecated Use {@link #open(Directory, boolean)} instead*/
* @deprecated This method will be removed in the 3.0 release.
* Use {@link #open(Directory, boolean)} instead
*/
public static IndexReader open(String path, boolean readOnly) throws CorruptIndexException, IOException {
return open(FSDirectory.getDirectory(path), true, null, null, readOnly);
}
@ -230,7 +233,8 @@ public abstract class IndexReader implements Cloneable {
* @param path the path to the index directory
* @throws CorruptIndexException if the index is corrupt
* @throws IOException if there is a low-level IO error
* @deprecated Use {@link #open(Directory, boolean)} instead
* @deprecated This method will be removed in the 3.0 release.
* Use {@link #open(Directory, boolean)} instead
*/
public static IndexReader open(File path) throws CorruptIndexException, IOException {
return open(FSDirectory.getDirectory(path), true, null, null, false);
@ -246,8 +250,9 @@ public abstract class IndexReader implements Cloneable {
* @param path the path to the index directory
* @param readOnly true if this should be a readOnly
* reader
* @deprecated Use {@link #open(Directory, boolean)}
* instead */
* @deprecated This method will be removed in the 3.0 release.
* Use {@link #open(Directory, boolean)} instead
*/
public static IndexReader open(File path, boolean readOnly) throws CorruptIndexException, IOException {
return open(FSDirectory.getDirectory(path), true, null, null, readOnly);
}
@ -257,7 +262,8 @@ public abstract class IndexReader implements Cloneable {
* @param directory the index directory
* @throws CorruptIndexException if the index is corrupt
* @throws IOException if there is a low-level IO error
* @deprecated Use {@link #open(Directory, boolean)} instead
* @deprecated This method will be removed in the 3.0 release.
* Use {@link #open(Directory, boolean)} instead
*/
public static IndexReader open(final Directory directory) throws CorruptIndexException, IOException {
return open(directory, false, null, null, false);
@ -281,7 +287,8 @@ public abstract class IndexReader implements Cloneable {
* {@link IndexCommit}.
* @param commit the commit point to open
* @throws CorruptIndexException if the index is corrupt
* @deprecated Use {@link #open(IndexCommit, boolean)} instead
* @deprecated This method will be removed in the 3.0 release.
* Use {@link #open(IndexCommit, boolean)} instead
* @throws IOException if there is a low-level IO error
*/
public static IndexReader open(final IndexCommit commit) throws CorruptIndexException, IOException {
@ -308,8 +315,8 @@ public abstract class IndexReader implements Cloneable {
* @param deletionPolicy a custom deletion policy (only used
* if you use this reader to perform deletes or to set
* norms); see {@link IndexWriter} for details.
* @deprecated Use {@link #open(Directory,
* IndexDeletionPolicy, boolean)} instead
* @deprecated This method will be removed in the 3.0 release.
* Use {@link #open(Directory, IndexDeletionPolicy, boolean)} instead
* @throws CorruptIndexException if the index is corrupt
* @throws IOException if there is a low-level IO error
*/
@ -344,8 +351,8 @@ public abstract class IndexReader implements Cloneable {
* @param deletionPolicy a custom deletion policy (only used
* if you use this reader to perform deletes or to set
* norms); see {@link IndexWriter} for details.
* @deprecated Use {@link #open(IndexCommit,
* IndexDeletionPolicy, boolean)} instead
* @deprecated This method will be removed in the 3.0 release.
* Use {@link #open(IndexCommit, IndexDeletionPolicy, boolean)} instead
* @throws CorruptIndexException if the index is corrupt
* @throws IOException if there is a low-level IO error
*/
@ -500,6 +507,8 @@ public abstract class IndexReader implements Cloneable {
* {@link #isCurrent()} instead.
* @throws CorruptIndexException if the index is corrupt
* @throws IOException if there is a low-level IO error
* @deprecated This method will be removed in the 3.0 release.
* Use {@link #lastModified(Directory)} instead
*/
public static long lastModified(String directory) throws CorruptIndexException, IOException {
return lastModified(new File(directory));
@ -511,13 +520,16 @@ public abstract class IndexReader implements Cloneable {
* {@link #isCurrent()} instead.
* @throws CorruptIndexException if the index is corrupt
* @throws IOException if there is a low-level IO error
* @deprecated This method will be removed in the 3.0 release.
* Use {@link #lastModified(Directory)} instead
*/
public static long lastModified(File fileDirectory) throws CorruptIndexException, IOException {
return ((Long) new SegmentInfos.FindSegmentsFile(fileDirectory) {
public Object doBody(String segmentFileName) {
return new Long(FSDirectory.fileModified(fileDirectory, segmentFileName));
}
}.run()).longValue();
Directory dir = FSDirectory.getDirectory(fileDirectory); // use new static method here
try {
return lastModified(dir);
} finally {
dir.close();
}
}
/**
@ -544,6 +556,8 @@ public abstract class IndexReader implements Cloneable {
* @return version number.
* @throws CorruptIndexException if the index is corrupt
* @throws IOException if there is a low-level IO error
* @deprecated This method will be removed in the 3.0 release.
* Use {@link #getCurrentVersion(Directory)} instead
*/
public static long getCurrentVersion(String directory) throws CorruptIndexException, IOException {
return getCurrentVersion(new File(directory));
@ -558,7 +572,8 @@ public abstract class IndexReader implements Cloneable {
* @return version number.
* @throws CorruptIndexException if the index is corrupt
* @throws IOException if there is a low-level IO error
* @deprecated Use {@link #getCurrentVersion(Directory)} instead
* @deprecated This method will be removed in the 3.0 release.
* Use {@link #getCurrentVersion(Directory)} instead
*/
public static long getCurrentVersion(File directory) throws CorruptIndexException, IOException {
Directory dir = FSDirectory.getDirectory(directory);
@ -741,6 +756,8 @@ public abstract class IndexReader implements Cloneable {
* <code>false</code> is returned.
* @param directory the directory to check for an index
* @return <code>true</code> if an index exists; <code>false</code> otherwise
* @deprecated This method will be removed in the 3.0 release.
* Use {@link #indexExists(Directory)} instead
*/
public static boolean indexExists(String directory) {
return indexExists(new File(directory));
@ -751,6 +768,8 @@ public abstract class IndexReader implements Cloneable {
* If the directory does not exist or if there is no index in it.
* @param directory the directory to check for an index
* @return <code>true</code> if an index exists; <code>false</code> otherwise
* @deprecated This method will be removed in the 3.0 release.
* Use {@link #indexExists(Directory)} instead
*/
public static boolean indexExists(File directory) {
@ -1159,7 +1178,8 @@ public abstract class IndexReader implements Cloneable {
* currently locked.
* @param directory the directory to check for a lock
* @throws IOException if there is a low-level IO error
* @deprecated Please use {@link IndexWriter#isLocked(Directory)} instead
* @deprecated This method will be removed in the 3.0 release.
* Please use {@link IndexWriter#isLocked(Directory)} instead
*/
public static boolean isLocked(Directory directory) throws IOException {
return
@ -1171,7 +1191,8 @@ public abstract class IndexReader implements Cloneable {
* currently locked.
* @param directory the directory to check for a lock
* @throws IOException if there is a low-level IO error
* @deprecated Please use {@link IndexWriter#isLocked(Directory)} instead
* @deprecated This method will be removed in the 3.0 release.
* Use {@link #isLocked(Directory)} instead
*/
public static boolean isLocked(String directory) throws IOException {
Directory dir = FSDirectory.getDirectory(directory);
@ -1186,7 +1207,8 @@ public abstract class IndexReader implements Cloneable {
* Caution: this should only be used by failure recovery code,
* when it is known that no other process nor thread is in fact
* currently accessing this index.
* @deprecated Please use {@link IndexWriter#unlock(Directory)} instead
* @deprecated This method will be removed in the 3.0 release.
* Please use {@link IndexWriter#unlock(Directory)} instead
*/
public static void unlock(Directory directory) throws IOException {
directory.makeLock(IndexWriter.WRITE_LOCK_NAME).release();
@ -1236,7 +1258,7 @@ public abstract class IndexReader implements Cloneable {
File file = new File(filename);
String dirname = file.getAbsoluteFile().getParent();
filename = file.getName();
dir = FSDirectory.getDirectory(dirname);
dir = FSDirectory.open(new File(dirname));
cfr = new CompoundFileReader(dir, filename);
String [] files = cfr.list();

16
src/java/org/apache/lucene/index/SegmentInfos.java
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@ -17,7 +17,6 @@ package org.apache.lucene.index;
* limitations under the License.
*/
import org.apache.lucene.store.FSDirectory;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.IndexInput;
import org.apache.lucene.store.IndexOutput;
@ -523,13 +522,8 @@ final class SegmentInfos extends Vector {
*/
public abstract static class FindSegmentsFile {
File fileDirectory;
Directory directory;
public FindSegmentsFile(File directory) {
this.fileDirectory = directory;
}
public FindSegmentsFile(Directory directory) {
this.directory = directory;
}
@ -582,10 +576,7 @@ final class SegmentInfos extends Vector {
long genA = -1;
if (directory != null)
files = directory.listAll();
else
files = FSDirectory.listAll(fileDirectory);
files = directory.listAll();
if (files != null)
genA = getCurrentSegmentGeneration(files);
@ -732,10 +723,7 @@ final class SegmentInfos extends Vector {
gen-1);
final boolean prevExists;
if (directory != null)
prevExists = directory.fileExists(prevSegmentFileName);
else
prevExists = new File(fileDirectory, prevSegmentFileName).exists();
prevExists = directory.fileExists(prevSegmentFileName);
if (prevExists) {
message("fallback to prior segment file '" + prevSegmentFileName + "'");

3
src/java/org/apache/lucene/search/IndexSearcher.java
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@ -46,7 +46,7 @@ public class IndexSearcher extends Searcher {
/** Creates a searcher searching the index in the named directory.
* @throws CorruptIndexException if the index is corrupt
* @throws IOException if there is a low-level IO error
* @deprecated Use {@link #IndexSearcher(String, boolean)} instead
* @deprecated Use {@link #IndexSearcher(Directory, boolean)} instead
*/
public IndexSearcher(String path) throws CorruptIndexException, IOException {
this(IndexReader.open(path), true);
@ -62,6 +62,7 @@ public class IndexSearcher extends Searcher {
* will be opened readOnly
* @throws CorruptIndexException if the index is corrupt
* @throws IOException if there is a low-level IO error
* @deprecated Use {@link #IndexSearcher(Directory, boolean)} instead
*/
public IndexSearcher(String path, boolean readOnly) throws CorruptIndexException, IOException {
this(IndexReader.open(path, readOnly), true);

2
src/java/overview.html
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@ -40,7 +40,7 @@ to check if the results are what we expect):</p>
<font color="#ffffff">&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#3f7f5f">//&nbsp;Store&nbsp;the&nbsp;index&nbsp;in&nbsp;memory:</font><br />
<font color="#ffffff">&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#000000">Directory&nbsp;directory&nbsp;=&nbsp;</font><font color="#7f0055"><b>new&nbsp;</b></font><font color="#000000">RAMDirectory</font><font color="#000000">()</font><font color="#000000">;</font><br />
<font color="#ffffff">&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#3f7f5f">//&nbsp;To&nbsp;store&nbsp;an&nbsp;index&nbsp;on&nbsp;disk,&nbsp;use&nbsp;this&nbsp;instead:</font><br />
<font color="#ffffff">&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#3f7f5f">//Directory&nbsp;directory&nbsp;=&nbsp;FSDirectory.getDirectory(&#34;/tmp/testindex&#34;);</font><br />
<font color="#ffffff">&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#3f7f5f">//Directory&nbsp;directory&nbsp;=&nbsp;FSDirectory.open(&#34;/tmp/testindex&#34;);</font><br />
<font color="#ffffff">&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#000000">IndexWriter&nbsp;iwriter&nbsp;=&nbsp;</font><font color="#7f0055"><b>new&nbsp;</b></font><font color="#000000">IndexWriter</font><font color="#000000">(</font><font color="#000000">directory,&nbsp;analyzer,&nbsp;true,</font><br />
<font color="#ffffff">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#7f0055"><b>new&nbsp;</b></font><font color="#000000">IndexWriter.MaxFieldLength</font><font color="#000000">(</font><font color="#990000">25000</font><font color="#000000">))</font><font color="#000000">;</font><br />
<font color="#ffffff">&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#000000">Document&nbsp;doc&nbsp;=&nbsp;</font><font color="#7f0055"><b>new&nbsp;</b></font><font color="#000000">Document</font><font color="#000000">()</font><font color="#000000">;</font><br />

2
src/test/org/apache/lucene/TestDemo.java
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@ -49,7 +49,7 @@ public class TestDemo extends LuceneTestCase {
// Store the index in memory:
Directory directory = new RAMDirectory();
// To store an index on disk, use this instead:
//Directory directory = FSDirectory.getDirectory("/tmp/testindex");
//Directory directory = FSDirectory.open(new File("/tmp/testindex"));
IndexWriter iwriter = new IndexWriter(directory, analyzer, true,
new IndexWriter.MaxFieldLength(25000));
Document doc = new Document();

2
src/test/org/apache/lucene/TestSnapshotDeletionPolicy.java
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@ -54,7 +54,7 @@ public class TestSnapshotDeletionPolicy extends LuceneTestCase
try {
// Sometimes past test leaves the dir
_TestUtil.rmDir(dir);
Directory fsDir = FSDirectory.getDirectory(dir);
Directory fsDir = FSDirectory.open(dir);
runTest(fsDir);
fsDir.close();
} finally {