pylucene 3.5.0-3
[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / misc / src / java / org / apache / lucene / misc / IndexMergeTool.java
diff --git a/lucene-java-3.5.0/lucene/contrib/misc/src/java/org/apache/lucene/misc/IndexMergeTool.java b/lucene-java-3.5.0/lucene/contrib/misc/src/java/org/apache/lucene/misc/IndexMergeTool.java
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+package org.apache.lucene.misc;
+
+/**
+  * Copyright 2005 The Apache Software Foundation
+  *
+  * Licensed 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.analysis.WhitespaceAnalyzer;
+import org.apache.lucene.index.IndexWriter;
+import org.apache.lucene.index.IndexWriterConfig;
+import org.apache.lucene.index.IndexWriterConfig.OpenMode;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.FSDirectory;
+import org.apache.lucene.util.Version;
+
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * Merges indices specified on the command line into the index
+ * specified as the first command line argument.
+ */
+public class IndexMergeTool {
+  public static void main(String[] args) throws IOException {
+    if (args.length < 3) {
+      System.err.println("Usage: IndexMergeTool <mergedIndex> <index1> <index2> [index3] ...");
+      System.exit(1);
+    }
+    FSDirectory mergedIndex = FSDirectory.open(new File(args[0]));
+
+    IndexWriter writer = new IndexWriter(mergedIndex, new IndexWriterConfig(
+        Version.LUCENE_CURRENT, new WhitespaceAnalyzer(Version.LUCENE_CURRENT))
+        .setOpenMode(OpenMode.CREATE));
+
+    Directory[] indexes = new Directory[args.length - 1];
+    for (int i = 1; i < args.length; i++) {
+      indexes[i  - 1] = FSDirectory.open(new File(args[i]));
+    }
+
+    System.out.println("Merging...");
+    writer.addIndexes(indexes);
+
+    System.out.println("Full merge...");
+    writer.forceMerge(1);
+    writer.close();
+    System.out.println("Done.");
+  }
+}