pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / src / java / org / apache / lucene / util / DocIdBitSet.java

diff --git a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/util/DocIdBitSet.java b/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/util/DocIdBitSet.java
deleted file mode 100644 (file)
index 28fa7a9..0000000
--- a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/util/DocIdBitSet.java
+++ /dev/null
@@ -1,83 +0,0 @@
-package org.apache.lucene.util;
-
-/**
- * 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.util.BitSet;
-
-import org.apache.lucene.search.DocIdSet;
-import org.apache.lucene.search.DocIdSetIterator;
-
-
-/** Simple DocIdSet and DocIdSetIterator backed by a BitSet */
-public class DocIdBitSet extends DocIdSet {
-  private BitSet bitSet;
-    
-  public DocIdBitSet(BitSet bitSet) {
-    this.bitSet = bitSet;
-  }
-
-  @Override
-  public DocIdSetIterator iterator() {
-    return new DocIdBitSetIterator(bitSet);
-  }
-
-  /** This DocIdSet implementation is cacheable. */
-  @Override
-  public boolean isCacheable() {
-    return true;
-  }
-  
-  /**
-   * Returns the underlying BitSet. 
-   */
-  public BitSet getBitSet() {
-       return this.bitSet;
-  }
-  
-  private static class DocIdBitSetIterator extends DocIdSetIterator {
-    private int docId;
-    private BitSet bitSet;
-    
-    DocIdBitSetIterator(BitSet bitSet) {
-      this.bitSet = bitSet;
-      this.docId = -1;
-    }
-    
-    @Override
-    public int docID() {
-      return docId;
-    }
-    
-    @Override
-    public int nextDoc() {
-      // (docId + 1) on next line requires -1 initial value for docNr:
-      int d = bitSet.nextSetBit(docId + 1);
-      // -1 returned by BitSet.nextSetBit() when exhausted
-      docId = d == -1 ? NO_MORE_DOCS : d;
-      return docId;
-    }
-  
-    @Override
-    public int advance(int target) {
-      int d = bitSet.nextSetBit(target);
-      // -1 returned by BitSet.nextSetBit() when exhausted
-      docId = d == -1 ? NO_MORE_DOCS : d;
-      return docId;
-    }
-  }
-}