pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / src / java / org / apache / lucene / index / ReadOnlyDirectoryReader.java

diff --git a/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/index/ReadOnlyDirectoryReader.java b/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/index/ReadOnlyDirectoryReader.java
new file mode 100644 (file)
index 0000000..c311aad
--- /dev/null
+++ b/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/index/ReadOnlyDirectoryReader.java
@@ -0,0 +1,45 @@
+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.Directory;
+
+import java.io.IOException;
+import java.util.Map;
+import java.util.Collection;
+
+class ReadOnlyDirectoryReader extends DirectoryReader {
+  ReadOnlyDirectoryReader(Directory directory, SegmentInfos sis, IndexDeletionPolicy deletionPolicy, int termInfosIndexDivisor,
+                          Collection<ReaderFinishedListener> readerFinishedListeners) throws IOException {
+    super(directory, sis, deletionPolicy, true, termInfosIndexDivisor, readerFinishedListeners);
+  }
+
+  ReadOnlyDirectoryReader(Directory directory, SegmentInfos infos, SegmentReader[] oldReaders, int[] oldStarts,  Map<String,byte[]> oldNormsCache, boolean doClone,
+                          int termInfosIndexDivisor, Collection<ReaderFinishedListener> readerFinishedListeners) throws IOException {
+    super(directory, infos, oldReaders, oldStarts, oldNormsCache, true, doClone, termInfosIndexDivisor, readerFinishedListeners);
+  }
+  
+  ReadOnlyDirectoryReader(IndexWriter writer, SegmentInfos infos, int termInfosIndexDivisor, boolean applyAllDeletes) throws IOException {
+    super(writer, infos, termInfosIndexDivisor, applyAllDeletes);
+  }
+  
+  @Override
+  protected void acquireWriteLock() {
+    ReadOnlySegmentReader.noWrite();
+  }
+}