pylucene 3.5.0-3

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

diff --git a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/index/DefaultSkipListReader.java b/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/index/DefaultSkipListReader.java
deleted file mode 100644 (file)
index 3c6e856..0000000
--- a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/index/DefaultSkipListReader.java
+++ /dev/null
@@ -1,117 +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 java.io.IOException;
-import java.util.Arrays;
-
-import org.apache.lucene.store.IndexInput;
-
-/**
- * Implements the skip list reader for the default posting list format
- * that stores positions and payloads.
- *
- */
-class DefaultSkipListReader extends MultiLevelSkipListReader {
-  private boolean currentFieldStoresPayloads;
-  private long freqPointer[];
-  private long proxPointer[];
-  private int payloadLength[];
-  
-  private long lastFreqPointer;
-  private long lastProxPointer;
-  private int lastPayloadLength;
-                           
-
-  DefaultSkipListReader(IndexInput skipStream, int maxSkipLevels, int skipInterval) {
-    super(skipStream, maxSkipLevels, skipInterval);
-    freqPointer = new long[maxSkipLevels];
-    proxPointer = new long[maxSkipLevels];
-    payloadLength = new int[maxSkipLevels];
-  }
-  
-  void init(long skipPointer, long freqBasePointer, long proxBasePointer, int df, boolean storesPayloads) {
-    super.init(skipPointer, df);
-    this.currentFieldStoresPayloads = storesPayloads;
-    lastFreqPointer = freqBasePointer;
-    lastProxPointer = proxBasePointer;
-
-    Arrays.fill(freqPointer, freqBasePointer);
-    Arrays.fill(proxPointer, proxBasePointer);
-    Arrays.fill(payloadLength, 0);
-  }
-
-  /** Returns the freq pointer of the doc to which the last call of 
-   * {@link MultiLevelSkipListReader#skipTo(int)} has skipped.  */
-  long getFreqPointer() {
-    return lastFreqPointer;
-  }
-
-  /** Returns the prox pointer of the doc to which the last call of 
-   * {@link MultiLevelSkipListReader#skipTo(int)} has skipped.  */
-  long getProxPointer() {
-    return lastProxPointer;
-  }
-  
-  /** Returns the payload length of the payload stored just before 
-   * the doc to which the last call of {@link MultiLevelSkipListReader#skipTo(int)} 
-   * has skipped.  */
-  int getPayloadLength() {
-    return lastPayloadLength;
-  }
-  
-  @Override
-  protected void seekChild(int level) throws IOException {
-    super.seekChild(level);
-    freqPointer[level] = lastFreqPointer;
-    proxPointer[level] = lastProxPointer;
-    payloadLength[level] = lastPayloadLength;
-  }
-  
-  @Override
-  protected void setLastSkipData(int level) {
-    super.setLastSkipData(level);
-    lastFreqPointer = freqPointer[level];
-    lastProxPointer = proxPointer[level];
-    lastPayloadLength = payloadLength[level];
-  }
-
-
-  @Override
-  protected int readSkipData(int level, IndexInput skipStream) throws IOException {
-    int delta;
-    if (currentFieldStoresPayloads) {
-      // the current field stores payloads.
-      // if the doc delta is odd then we have
-      // to read the current payload length
-      // because it differs from the length of the
-      // previous payload
-      delta = skipStream.readVInt();
-      if ((delta & 1) != 0) {
-        payloadLength[level] = skipStream.readVInt();
-      }
-      delta >>>= 1;
-    } else {
-      delta = skipStream.readVInt();
-    }
-    freqPointer[level] += skipStream.readVInt();
-    proxPointer[level] += skipStream.readVInt();
-    
-    return delta;
-  }
-}