pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / contrib / facet / src / java / org / apache / lucene / util / encoding / UniqueValuesIntEncoder.java

diff --git a/lucene-java-3.4.0/lucene/contrib/facet/src/java/org/apache/lucene/util/encoding/UniqueValuesIntEncoder.java b/lucene-java-3.4.0/lucene/contrib/facet/src/java/org/apache/lucene/util/encoding/UniqueValuesIntEncoder.java
deleted file mode 100644 (file)
index 197962d..0000000
--- a/lucene-java-3.4.0/lucene/contrib/facet/src/java/org/apache/lucene/util/encoding/UniqueValuesIntEncoder.java
+++ /dev/null
@@ -1,71 +0,0 @@
-package org.apache.lucene.util.encoding;
-
-import java.io.IOException;
-import java.io.OutputStream;
-
-/**
- * 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.
- */
-
-/**
- * An {@link IntEncoderFilter} which ensures only unique values are encoded. The
- * implementation assumes the values given to {@link #encode(int)} are sorted.
- * If this is not the case, you can chain this encoder with
- * {@link SortingIntEncoder}.
- * 
- * @lucene.experimental
- */
-public final class UniqueValuesIntEncoder extends IntEncoderFilter {
-
-  /**
-   * Denotes an illegal value which we can use to init 'prev' to. Since all
-   * encoded values are integers, this value is init to MAX_INT+1 and is of type
-   * long. Therefore we are guaranteed not to get this value in encode.
-   */
-  private static final long ILLEGAL_VALUE = Integer.MAX_VALUE + 1;
-
-  private long prev = ILLEGAL_VALUE;
-  
-  /** Constructs a new instance with the given encoder. */
-  public UniqueValuesIntEncoder(IntEncoder encoder) {
-    super(encoder);
-  }
-
-  @Override
-  public void encode(int value) throws IOException {
-    if (prev != value) {
-      encoder.encode(value);
-      prev = value;
-    }
-  }
-
-  @Override
-  public IntDecoder createMatchingDecoder() {
-    return encoder.createMatchingDecoder();
-  }
-  
-  @Override
-  public void reInit(OutputStream out) {
-    super.reInit(out);
-    prev = ILLEGAL_VALUE;
-  }
-
-  @Override
-  public String toString() {
-    return "Unique (" + encoder.toString() + ")";
-  }
-  
-}