X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/DocIdSet.java?ds=inline
diff --git a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/DocIdSet.java b/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/DocIdSet.java
deleted file mode 100644
index 03f6c64..0000000
--- a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/DocIdSet.java
+++ /dev/null
@@ -1,67 +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;
-
-/**
- * A DocIdSet contains a set of doc ids. Implementing classes must
- * only implement {@link #iterator} to provide access to the set.
- */
-public abstract class DocIdSet {
-
- /** An empty {@code DocIdSet} instance for easy use, e.g. in Filters that hit no documents. */
- public static final DocIdSet EMPTY_DOCIDSET = new DocIdSet() {
-
- private final DocIdSetIterator iterator = new DocIdSetIterator() {
- @Override
- public int advance(int target) throws IOException { return NO_MORE_DOCS; }
- @Override
- public int docID() { return NO_MORE_DOCS; }
- @Override
- public int nextDoc() throws IOException { return NO_MORE_DOCS; }
- };
-
- @Override
- public DocIdSetIterator iterator() {
- return iterator;
- }
-
- @Override
- public boolean isCacheable() {
- return true;
- }
- };
-
- /** Provides a {@link DocIdSetIterator} to access the set.
- * This implementation can return null
or
- * {@linkplain #EMPTY_DOCIDSET}.iterator()
if there
- * are no docs that match. */
- public abstract DocIdSetIterator iterator() throws IOException;
-
- /**
- * This method is a hint for {@link CachingWrapperFilter}, if this DocIdSet
- * should be cached without copying it into a BitSet. The default is to return
- * false
. If you have an own DocIdSet
implementation
- * that does its iteration very effective and fast without doing disk I/O,
- * override this method and return true.
- */
- public boolean isCacheable() {
- return false;
- }
-}