X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/store/IndexInput.java?ds=sidebyside diff --git a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/store/IndexInput.java b/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/store/IndexInput.java deleted file mode 100644 index fff29bb..0000000 --- a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/store/IndexInput.java +++ /dev/null @@ -1,101 +0,0 @@ -package org.apache.lucene.store; - -/** - * 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.IOException; -import java.io.Closeable; - -/** Abstract base class for input from a file in a {@link Directory}. A - * random-access input stream. Used for all Lucene index input operations. - * @see Directory - */ -public abstract class IndexInput extends DataInput implements Cloneable,Closeable { - - protected byte[] copyBuf = null; - - /** - * Expert - * - * Similar to {@link #readChars(char[], int, int)} but does not do any conversion operations on the bytes it is reading in. It still - * has to invoke {@link #readByte()} just as {@link #readChars(char[], int, int)} does, but it does not need a buffer to store anything - * and it does not have to do any of the bitwise operations, since we don't actually care what is in the byte except to determine - * how many more bytes to read - * @param length The number of chars to read - * @deprecated this method operates on old "modified utf8" encoded - * strings - */ - @Deprecated - public void skipChars(int length) throws IOException{ - for (int i = 0; i < length; i++) { - byte b = readByte(); - if ((b & 0x80) == 0){ - //do nothing, we only need one byte - } else if ((b & 0xE0) != 0xE0) { - readByte();//read an additional byte - } else { - //read two additional bytes. - readByte(); - readByte(); - } - } - } - - /** Closes the stream to further operations. */ - public abstract void close() throws IOException; - - /** Returns the current position in this file, where the next read will - * occur. - * @see #seek(long) - */ - public abstract long getFilePointer(); - - /** Sets current position in this file, where the next read will occur. - * @see #getFilePointer() - */ - public abstract void seek(long pos) throws IOException; - - /** The number of bytes in the file. */ - public abstract long length(); - - /** - * Copies numBytes bytes to the given {@link IndexOutput}. - *

- * NOTE: this method uses an intermediate buffer to copy the bytes. - * Consider overriding it in your implementation, if you can make a better, - * optimized copy. - *

- * NOTE ensure that there are enough bytes in the input to copy to - * output. Otherwise, different exceptions may be thrown, depending on the - * implementation. - */ - public void copyBytes(IndexOutput out, long numBytes) throws IOException { - assert numBytes >= 0: "numBytes=" + numBytes; - - if (copyBuf == null) { - copyBuf = new byte[BufferedIndexInput.BUFFER_SIZE]; - } - - while (numBytes > 0) { - final int toCopy = (int) (numBytes > copyBuf.length ? copyBuf.length : numBytes); - readBytes(copyBuf, 0, toCopy); - out.writeBytes(copyBuf, 0, toCopy); - numBytes -= toCopy; - } - } - -}