pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / src / java / org / apache / lucene / index / ByteSliceReader.java

diff --git a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/index/ByteSliceReader.java b/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/index/ByteSliceReader.java
deleted file mode 100644 (file)
index 5b8e388..0000000
--- a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/index/ByteSliceReader.java
+++ /dev/null
@@ -1,149 +0,0 @@
-package org.apache.lucene.index;
-
-/**
- * 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 org.apache.lucene.store.IndexInput;
-import org.apache.lucene.store.IndexOutput;
-import java.io.IOException;
-
-/* IndexInput that knows how to read the byte slices written
- * by Posting and PostingVector.  We read the bytes in
- * each slice until we hit the end of that slice at which
- * point we read the forwarding address of the next slice
- * and then jump to it.*/
-final class ByteSliceReader extends IndexInput {
-  ByteBlockPool pool;
-  int bufferUpto;
-  byte[] buffer;
-  public int upto;
-  int limit;
-  int level;
-  public int bufferOffset;
-
-  public int endIndex;
-
-  public void init(ByteBlockPool pool, int startIndex, int endIndex) {
-
-    assert endIndex-startIndex >= 0;
-    assert startIndex >= 0;
-    assert endIndex >= 0;
-
-    this.pool = pool;
-    this.endIndex = endIndex;
-
-    level = 0;
-    bufferUpto = startIndex / DocumentsWriter.BYTE_BLOCK_SIZE;
-    bufferOffset = bufferUpto * DocumentsWriter.BYTE_BLOCK_SIZE;
-    buffer = pool.buffers[bufferUpto];
-    upto = startIndex & DocumentsWriter.BYTE_BLOCK_MASK;
-
-    final int firstSize = ByteBlockPool.levelSizeArray[0];
-
-    if (startIndex+firstSize >= endIndex) {
-      // There is only this one slice to read
-      limit = endIndex & DocumentsWriter.BYTE_BLOCK_MASK;
-    } else
-      limit = upto+firstSize-4;
-  }
-
-  public boolean eof() {
-    assert upto + bufferOffset <= endIndex;
-    return upto + bufferOffset == endIndex;
-  }
-
-  @Override
-  public byte readByte() {
-    assert !eof();
-    assert upto <= limit;
-    if (upto == limit)
-      nextSlice();
-    return buffer[upto++];
-  }
-
-  public long writeTo(IndexOutput out) throws IOException {
-    long size = 0;
-    while(true) {
-      if (limit + bufferOffset == endIndex) {
-        assert endIndex - bufferOffset >= upto;
-        out.writeBytes(buffer, upto, limit-upto);
-        size += limit-upto;
-        break;
-      } else {
-        out.writeBytes(buffer, upto, limit-upto);
-        size += limit-upto;
-        nextSlice();
-      }
-    }
-
-    return size;
-  }
-
-  public void nextSlice() {
-
-    // Skip to our next slice
-    final int nextIndex = ((buffer[limit]&0xff)<<24) + ((buffer[1+limit]&0xff)<<16) + ((buffer[2+limit]&0xff)<<8) + (buffer[3+limit]&0xff);
-
-    level = ByteBlockPool.nextLevelArray[level];
-    final int newSize = ByteBlockPool.levelSizeArray[level];
-
-    bufferUpto = nextIndex / DocumentsWriter.BYTE_BLOCK_SIZE;
-    bufferOffset = bufferUpto * DocumentsWriter.BYTE_BLOCK_SIZE;
-
-    buffer = pool.buffers[bufferUpto];
-    upto = nextIndex & DocumentsWriter.BYTE_BLOCK_MASK;
-
-    if (nextIndex + newSize >= endIndex) {
-      // We are advancing to the final slice
-      assert endIndex - nextIndex > 0;
-      limit = endIndex - bufferOffset;
-    } else {
-      // This is not the final slice (subtract 4 for the
-      // forwarding address at the end of this new slice)
-      limit = upto+newSize-4;
-    }
-  }
-
-  @Override
-  public void readBytes(byte[] b, int offset, int len) {
-    while(len > 0) {
-      final int numLeft = limit-upto;
-      if (numLeft < len) {
-        // Read entire slice
-        System.arraycopy(buffer, upto, b, offset, numLeft);
-        offset += numLeft;
-        len -= numLeft;
-        nextSlice();
-      } else {
-        // This slice is the last one
-        System.arraycopy(buffer, upto, b, offset, len);
-        upto += len;
-        break;
-      }
-    }
-  }
-
-  @Override
-  public long getFilePointer() {throw new RuntimeException("not implemented");}
-  @Override
-  public long length() {throw new RuntimeException("not implemented");}
-  @Override
-  public void seek(long pos) {throw new RuntimeException("not implemented");}
-  @Override
-  public void close() {throw new RuntimeException("not implemented");}
-}
-