pylucene 3.5.0-3

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

diff --git a/lucene-java-3.4.0/lucene/contrib/facet/src/java/org/apache/lucene/util/encoding/EightFlagsIntDecoder.java b/lucene-java-3.4.0/lucene/contrib/facet/src/java/org/apache/lucene/util/encoding/EightFlagsIntDecoder.java
deleted file mode 100644 (file)
index 5f8e22b..0000000
--- a/lucene-java-3.4.0/lucene/contrib/facet/src/java/org/apache/lucene/util/encoding/EightFlagsIntDecoder.java
+++ /dev/null
@@ -1,91 +0,0 @@
-package org.apache.lucene.util.encoding;
-
-import java.io.IOException;
-import java.io.InputStream;
-
-/**
- * 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.
- */
-
-/**
- * Decodes data which was encoded by {@link EightFlagsIntEncoder}. Scans
- * the <code>indicator</code>, one flag (1-bits) at a time, and decodes extra
- * data using {@link VInt8IntDecoder}.
- * 
- * @see EightFlagsIntEncoder
- * @lucene.experimental
- */
-public class EightFlagsIntDecoder extends IntDecoder {
-
-  /**
-   * Holds all combinations of <i>indicator</i> for fast decoding (saves time
-   * on real-time bit manipulation)
-   */
-  private static final byte[][] decodeTable = new byte[256][8];
-
-  /** Generating all combinations of <i>indicator</i> into separate flags. */
-  static {
-    for (int i = 256; i != 0;) {
-      --i;
-      for (int j = 8; j != 0;) {
-        --j;
-        decodeTable[i][j] = (byte) ((i >>> j) & 0x1);
-      }
-    }
-  }
-
-  private final IntDecoder decoder = new VInt8IntDecoder();
-
-  /** The indicator for decoding a chunk of 8 integers. */
-  private int indicator;
-
-  /** Used as an ordinal of 0 - 7, as the decoder decodes chunks of 8 integers. */
-  private int ordinal = 0;
-
-  @Override
-  public long decode() throws IOException { 
-    // If we've decoded 8 integers, read the next indicator.
-    if ((ordinal & 0x7) == 0) {
-      indicator = in.read();
-      if (indicator < 0) {
-        return EOS;
-      }
-      ordinal = 0;
-    }
-
-    if (decodeTable[indicator][ordinal++] == 0) {
-      // decode the value from the stream.
-      long decode = decoder.decode();
-      return decode == EOS ? EOS : decode + 2;
-    }
-
-    return 1;
-  }
-
-  @Override
-  public void reInit(InputStream in) {
-    super.reInit(in);
-    decoder.reInit(in);
-    ordinal = 0;
-    indicator = 0;
-  }
-
-  @Override
-  public String toString() {
-    return "EightFlags (VInt8)";
-  }
-
-}