pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / src / java / org / apache / lucene / index / LogByteSizeMergePolicy.java

diff --git a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/index/LogByteSizeMergePolicy.java b/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/index/LogByteSizeMergePolicy.java
deleted file mode 100644 (file)
index 7ef2902..0000000
--- a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/index/LogByteSizeMergePolicy.java
+++ /dev/null
@@ -1,107 +0,0 @@
-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 java.io.IOException;
-
-/** This is a {@link LogMergePolicy} that measures size of a
- *  segment as the total byte size of the segment's files. */
-public class LogByteSizeMergePolicy extends LogMergePolicy {
-
-  /** Default minimum segment size.  @see setMinMergeMB */
-  public static final double DEFAULT_MIN_MERGE_MB = 1.6;
-
-  /** Default maximum segment size.  A segment of this size
-   *  or larger will never be merged.  @see setMaxMergeMB */
-  public static final double DEFAULT_MAX_MERGE_MB = 2048;
-
-  /** Default maximum segment size.  A segment of this size
-   *  or larger will never be merged during optimize.  @see setMaxMergeMBForOptimize */
-  public static final double DEFAULT_MAX_MERGE_MB_FOR_OPTIMIZE = Long.MAX_VALUE;
-
-  public LogByteSizeMergePolicy() {
-    minMergeSize = (long) (DEFAULT_MIN_MERGE_MB*1024*1024);
-    maxMergeSize = (long) (DEFAULT_MAX_MERGE_MB*1024*1024);
-    maxMergeSizeForOptimize = (long) (DEFAULT_MAX_MERGE_MB_FOR_OPTIMIZE*1024*1024);
-  }
-  
-  @Override
-  protected long size(SegmentInfo info) throws IOException {
-    return sizeBytes(info);
-  }
-
-  /** <p>Determines the largest segment (measured by total
-   *  byte size of the segment's files, in MB) that may be
-   *  merged with other segments.  Small values (e.g., less
-   *  than 50 MB) are best for interactive indexing, as this
-   *  limits the length of pauses while indexing to a few
-   *  seconds.  Larger values are best for batched indexing
-   *  and speedier searches.</p>
-   *
-   *  <p>Note that {@link #setMaxMergeDocs} is also
-   *  used to check whether a segment is too large for
-   *  merging (it's either or).</p>*/
-  public void setMaxMergeMB(double mb) {
-    maxMergeSize = (long) (mb*1024*1024);
-  }
-
-  /** Returns the largest segment (measured by total byte
-   *  size of the segment's files, in MB) that may be merged
-   *  with other segments.
-   *  @see #setMaxMergeMB */
-  public double getMaxMergeMB() {
-    return ((double) maxMergeSize)/1024/1024;
-  }
-
-  /** <p>Determines the largest segment (measured by total
-   *  byte size of the segment's files, in MB) that may be
-   *  merged with other segments during optimize. Setting
-   *  it low will leave the index with more than 1 segment,
-   *  even if {@link IndexWriter#optimize()} is called.*/
-  public void setMaxMergeMBForOptimize(double mb) {
-    maxMergeSizeForOptimize = (long) (mb*1024*1024);
-  }
-
-  /** Returns the largest segment (measured by total byte
-   *  size of the segment's files, in MB) that may be merged
-   *  with other segments during optimize.
-   *  @see #setMaxMergeMBForOptimize */
-  public double getMaxMergeMBForOptimize() {
-    return ((double) maxMergeSizeForOptimize)/1024/1024;
-  }
-
-  /** Sets the minimum size for the lowest level segments.
-   * Any segments below this size are considered to be on
-   * the same level (even if they vary drastically in size)
-   * and will be merged whenever there are mergeFactor of
-   * them.  This effectively truncates the "long tail" of
-   * small segments that would otherwise be created into a
-   * single level.  If you set this too large, it could
-   * greatly increase the merging cost during indexing (if
-   * you flush many small segments). */
-  public void setMinMergeMB(double mb) {
-    minMergeSize = (long) (mb*1024*1024);
-  }
-
-  /** Get the minimum size for a segment to remain
-   *  un-merged.
-   *  @see #setMinMergeMB **/
-  public double getMinMergeMB() {
-    return ((double) minMergeSize)/1024/1024;
-  }
-}