X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/util/fst/UpToTwoPositiveIntOutputs.java

diff --git a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/util/fst/UpToTwoPositiveIntOutputs.java b/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/util/fst/UpToTwoPositiveIntOutputs.java
deleted file mode 100644
index 1bae8f9..0000000
--- a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/util/fst/UpToTwoPositiveIntOutputs.java
+++ /dev/null
@@ -1,224 +0,0 @@
-package org.apache.lucene.util.fst;
-
-/**
- * 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;
-
-import org.apache.lucene.store.DataInput;
-import org.apache.lucene.store.DataOutput;
-
-/**
- * Holds one or two longs for each input term.  If it's a
- * single output, Long is returned; else, TwoLongs.  Order
- * is preseved in the TwoLongs case, ie .first is the first
- * input/output added to Builder, and .second is the
- * second.  You cannot store 0 output with this (that's
- * reserved to mean "no output")!
- *
- * NOTE: the resulting FST is not guaranteed to be minimal!
- * See {@link Builder}.
- *
- * @lucene.experimental
- */
-
-public final class UpToTwoPositiveIntOutputs extends Outputs<Object> {
-
-  public final static class TwoLongs {
-    final long first;
-    final long second;
-
-    public TwoLongs(long first, long second) {
-      this.first = first;
-      this.second = second;
-      assert first >= 0;
-      assert second >= 0;
-    }
-
-    @Override
-    public String toString() {
-      return "TwoLongs:" + first + "," + second;
-    }
-
-    @Override
-    public boolean equals(Object _other) {
-      if (_other instanceof TwoLongs) {
-        final TwoLongs other = (TwoLongs) _other;
-        return first == other.first && second == other.second;
-      } else {
-        return false;
-      }
-    }
-
-    @Override
-    public int hashCode() {
-      return (int) ((first^(first>>>32)) ^ (second^(second>>32)));
-    }
-  }
-  
-  private final static Long NO_OUTPUT = new Long(0);
-
-  private final boolean doShare;
-
-  private final static UpToTwoPositiveIntOutputs singletonShare = new UpToTwoPositiveIntOutputs(true);
-  private final static UpToTwoPositiveIntOutputs singletonNoShare = new UpToTwoPositiveIntOutputs(false);
-
-  private UpToTwoPositiveIntOutputs(boolean doShare) {
-    this.doShare = doShare;
-  }
-
-  public static UpToTwoPositiveIntOutputs getSingleton(boolean doShare) {
-    return doShare ? singletonShare : singletonNoShare;
-  }
-
-  public Long get(long v) {
-    if (v == 0) {
-      return NO_OUTPUT;
-    } else {
-      return Long.valueOf(v);
-    }
-  }
-
-  public TwoLongs get(long first, long second) {
-    return new TwoLongs(first, second);
-  }
-
-  @Override
-  public Long common(Object _output1, Object _output2) {
-    assert valid(_output1, false);
-    assert valid(_output2, false);
-    final Long output1 = (Long) _output1;
-    final Long output2 = (Long) _output2;
-    if (output1 == NO_OUTPUT || output2 == NO_OUTPUT) {
-      return NO_OUTPUT;
-    } else if (doShare) {
-      assert output1 > 0;
-      assert output2 > 0;
-      return Math.min(output1, output2);
-    } else if (output1.equals(output2)) {
-      return output1;
-    } else {
-      return NO_OUTPUT;
-    }
-  }
-
-  @Override
-  public Long subtract(Object _output, Object _inc) {
-    assert valid(_output, false);
-    assert valid(_inc, false);
-    final Long output = (Long) _output;
-    final Long inc = (Long) _inc;
-    assert output >= inc;
-
-    if (inc == NO_OUTPUT) {
-      return output;
-    } else if (output.equals(inc)) {
-      return NO_OUTPUT;
-    } else {
-      return output - inc;
-    }
-  }
-
-  @Override
-  public Object add(Object _prefix, Object _output) {
-    assert valid(_prefix, false);
-    assert valid(_output, true);
-    final Long prefix = (Long) _prefix;
-    if (_output instanceof Long) {
-      final Long output = (Long) _output;
-      if (prefix == NO_OUTPUT) {
-        return output;
-      } else if (output == NO_OUTPUT) {
-        return prefix;
-      } else {
-        return prefix + output;
-      }
-    } else {
-      final TwoLongs output = (TwoLongs) _output;
-      final long v = prefix;
-      return new TwoLongs(output.first + v, output.second + v);
-    }
-  }
-
-  @Override
-  public void write(Object _output, DataOutput out) throws IOException {
-    assert valid(_output, true);
-    if (_output instanceof Long) {
-      final Long output = (Long) _output;
-      out.writeVLong(output<<1);
-    } else {
-      final TwoLongs output = (TwoLongs) _output;
-      out.writeVLong((output.first<<1) | 1);
-      out.writeVLong(output.second);
-    }
-  }
-
-  @Override
-  public Object read(DataInput in) throws IOException {
-    final long code = in.readVLong();
-    if ((code & 1) == 0) {
-      // single long
-      final long v = code >>> 1;
-      if (v == 0) {
-        return NO_OUTPUT;
-      } else {
-        return Long.valueOf(v);
-      }
-    } else {
-      // two longs
-      final long first = code >>> 1;
-      final long second = in.readVLong();
-      return new TwoLongs(first, second);
-    }
-  }
-
-  private boolean valid(Long o) {
-    assert o != null;
-    assert o instanceof Long;
-    assert o == NO_OUTPUT || o > 0;
-    return true;
-  }
-
-  // Used only by assert
-  private boolean valid(Object _o, boolean allowDouble) {
-    if (!allowDouble) {
-      assert _o instanceof Long;
-      return valid((Long) _o);
-    } else if (_o instanceof TwoLongs) {
-      return true;
-    } else {
-      return valid((Long) _o);
-    }
-  }
-
-  @Override
-  public Object getNoOutput() {
-    return NO_OUTPUT;
-  }
-
-  @Override
-  public String outputToString(Object output) {
-    return output.toString();
-  }
-
-  @Override
-  public Object merge(Object first, Object second) {
-    assert valid(first, false);
-    assert valid(second, false);
-    return new TwoLongs((Long) first, (Long) second);
-  }
-}