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- Added ASL and removed trailing spaces. 

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@150094 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Otis Gospodnetic 2003-10-13 14:18:04 +00:00
parent 34df355b2d
commit 59779c7455
2 changed files with 227 additions and 120 deletions
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72
src/java/org/apache/lucene/index/CompoundFileReader.java
View File

@ -1,4 +1,59 @@
package org.apache.lucene.index;
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" and
* "Apache Lucene" must not be used to endorse or promote products
* derived from this software without prior written permission. For
* written permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* "Apache Lucene", nor may "Apache" appear in their name, without
* prior written permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.InputStream;
import org.apache.lucene.store.OutputStream;
@ -9,16 +64,20 @@ import java.util.Iterator;
import java.io.IOException;
/** Class for accessing a compound stream.
/**
* Class for accessing a compound stream.
* This class implements a directory, but is limited to only read operations.
* Directory methods that would normally modify data throw an exception.
*
* @author Dmitry Serebrennikov
* @version $Id$
*/
public class CompoundFileReader extends Directory {
private static final class FileEntry {
long offset;
long length;
};
}
// Base info
@ -76,7 +135,6 @@ public class CompoundFileReader extends Directory {
}
}
public Directory getDirectory() {
return directory;
}
@ -94,7 +152,6 @@ public class CompoundFileReader extends Directory {
stream = null;
}
public synchronized InputStream openFile(String id)
throws IOException
{
@ -108,7 +165,6 @@ public class CompoundFileReader extends Directory {
return new CSInputStream(stream, entry.offset, entry.length);
}
/** Returns an array of strings, one for each file in the directory. */
public String[] list() {
String res[] = new String[entries.size()];
@ -144,7 +200,6 @@ public class CompoundFileReader extends Directory {
throw new UnsupportedOperationException();
}
/** Returns the length of a file in the directory. */
public long fileLength(String name)
throws IOException
@ -170,7 +225,6 @@ public class CompoundFileReader extends Directory {
throw new UnsupportedOperationException();
}
/** Implementation of an InputStream that reads from a portion of the
* compound file. The visibility is left as "package" *only* because
* this helps with testing since JUnit test cases in a different class
@ -192,7 +246,6 @@ public class CompoundFileReader extends Directory {
seekInternal(0); // position to the adjusted 0th byte
}
/** Expert: implements buffer refill. Reads bytes from the current
* position in the input.
* @param b the array to read bytes into
@ -226,7 +279,6 @@ public class CompoundFileReader extends Directory {
base.close();
}
/** Returns a clone of this stream.
*
* <p>Clones of a stream access the same data, and are positioned at the same
@ -242,6 +294,4 @@ public class CompoundFileReader extends Directory {
return other;
}
}
}

63
src/java/org/apache/lucene/index/CompoundFileWriter.java
View File

@ -1,4 +1,59 @@
package org.apache.lucene.index;
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" and
* "Apache Lucene" must not be used to endorse or promote products
* derived from this software without prior written permission. For
* written permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* "Apache Lucene", nor may "Apache" appear in their name, without
* prior written permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.OutputStream;
import org.apache.lucene.store.InputStream;
@ -8,7 +63,8 @@ import java.util.Iterator;
import java.io.IOException;
/** Combines multiple files into a single compound file.
/**
* Combines multiple files into a single compound file.
* The file format:<br>
* <ul>
* <li>VInt fileCount</li>
@ -26,6 +82,9 @@ import java.io.IOException;
* file. The {directory} that follows has that many entries. Each directory entry
* contains an encoding identifier, an long pointer to the start of this file's
* data section, and a UTF String with that file's extension.
*
* @author Dmitry Serebrennikov
* @version $Id$
*/
final class CompoundFileWriter {
@ -73,7 +132,6 @@ final class CompoundFileWriter {
return fileName;
}
/** Add a source stream. If sourceDir is null, it is set to the
* same value as the directory where this compound stream exists.
* The id is the string by which the sub-stream will be know in the
@ -164,7 +222,6 @@ final class CompoundFileWriter {
}
}
/** Copy the contents of the file with specified extension into the
* provided output stream. Use the provided buffer for moving data
* to reduce memory allocation.