pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / src / java / org / apache / lucene / search / FilteredDocIdSetIterator.java

diff --git a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/FilteredDocIdSetIterator.java b/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/FilteredDocIdSetIterator.java
deleted file mode 100644 (file)
index afd2657..0000000
--- a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/FilteredDocIdSetIterator.java
+++ /dev/null
@@ -1,85 +0,0 @@
-package org.apache.lucene.search;
-
-/**
- * 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;
-
-/**
- * Abstract decorator class of a DocIdSetIterator
- * implementation that provides on-demand filter/validation
- * mechanism on an underlying DocIdSetIterator.  See {@link
- * FilteredDocIdSet}.
- */
-public abstract class FilteredDocIdSetIterator extends DocIdSetIterator {
-  protected DocIdSetIterator _innerIter;
-  private int doc;
-       
-  /**
-   * Constructor.
-   * @param innerIter Underlying DocIdSetIterator.
-   */
-  public FilteredDocIdSetIterator(DocIdSetIterator innerIter) {
-    if (innerIter == null) {
-      throw new IllegalArgumentException("null iterator");
-    }
-    _innerIter = innerIter;
-    doc = -1;
-  }
-       
-  /**
-   * Validation method to determine whether a docid should be in the result set.
-   * @param doc docid to be tested
-   * @return true if input docid should be in the result set, false otherwise.
-   * @see #FilteredDocIdSetIterator(DocIdSetIterator)
-   */
-  abstract protected boolean match(int doc) throws IOException;
-       
-  @Override
-  public int docID() {
-    return doc;
-  }
-  
-  @Override
-  public int nextDoc() throws IOException {
-    while ((doc = _innerIter.nextDoc()) != NO_MORE_DOCS) {
-      if (match(doc)) {
-        return doc;
-      }
-    }
-    return doc;
-  }
-  
-  @Override
-  public int advance(int target) throws IOException {
-    doc = _innerIter.advance(target);
-    if (doc != NO_MORE_DOCS) {
-      if (match(doc)) {
-        return doc;
-      } else {
-        while ((doc = _innerIter.nextDoc()) != NO_MORE_DOCS) {
-          if (match(doc)) {
-            return doc;
-          }
-        }
-        return doc;
-      }
-    }
-    return doc;
-  }
-  
-}