pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / src / java / org / apache / lucene / search / function / FloatFieldSource.java

diff --git a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/function/FloatFieldSource.java b/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/function/FloatFieldSource.java
deleted file mode 100644 (file)
index c702ca3..0000000
--- a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/function/FloatFieldSource.java
+++ /dev/null
@@ -1,109 +0,0 @@
-package org.apache.lucene.search.function;
-
-/**
- * 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 org.apache.lucene.index.IndexReader;
-import org.apache.lucene.search.FieldCache;
-import org.apache.lucene.search.function.DocValues;
-
-import java.io.IOException;
-
-/**
- * Expert: obtains float field values from the 
- * {@link org.apache.lucene.search.FieldCache FieldCache}
- * using <code>getFloats()</code> and makes those values 
- * available as other numeric types, casting as needed.
- * 
- * @lucene.experimental
- * 
- * @see org.apache.lucene.search.function.FieldCacheSource for requirements 
- * on the field.
- *
- * <p><b>NOTE</b>: with the switch in 2.9 to segment-based
- * searching, if {@link #getValues} is invoked with a
- * composite (multi-segment) reader, this can easily cause
- * double RAM usage for the values in the FieldCache.  It's
- * best to switch your application to pass only atomic
- * (single segment) readers to this API.</p>
- */
-public class FloatFieldSource extends FieldCacheSource {
-  private FieldCache.FloatParser parser;
-
-  /**
-   * Create a cached float field source with default string-to-float parser. 
-   */
-  public FloatFieldSource(String field) {
-    this(field, null);
-  }
-
-  /**
-   * Create a cached float field source with a specific string-to-float parser. 
-   */
-  public FloatFieldSource(String field, FieldCache.FloatParser parser) {
-    super(field);
-    this.parser = parser;
-  }
-
-  /*(non-Javadoc) @see org.apache.lucene.search.function.ValueSource#description() */
-  @Override
-  public String description() {
-    return "float(" + super.description() + ')';
-  }
-
-  /*(non-Javadoc) @see org.apache.lucene.search.function.FieldCacheSource#getCachedValues(org.apache.lucene.search.FieldCache, java.lang.String, org.apache.lucene.index.IndexReader) */
-  @Override
-  public DocValues getCachedFieldValues (FieldCache cache, String field, IndexReader reader) throws IOException {
-    final float[] arr = cache.getFloats(reader, field, parser);
-    return new DocValues() {
-      /*(non-Javadoc) @see org.apache.lucene.search.function.DocValues#floatVal(int) */
-      @Override
-      public float floatVal(int doc) {
-        return arr[doc];      
-      }
-      /*(non-Javadoc) @see org.apache.lucene.search.function.DocValues#toString(int) */
-      @Override
-      public String toString(int doc) { 
-        return  description() + '=' + arr[doc];  
-      }
-      /*(non-Javadoc) @see org.apache.lucene.search.function.DocValues#getInnerArray() */
-      @Override
-      Object getInnerArray() {
-        return arr;
-      }
-    };
-  }
-
-  /*(non-Javadoc) @see org.apache.lucene.search.function.FieldCacheSource#cachedFieldSourceEquals(org.apache.lucene.search.function.FieldCacheSource) */
-  @Override
-  public boolean cachedFieldSourceEquals(FieldCacheSource o) {
-    if (o.getClass() !=  FloatFieldSource.class) {
-      return false;
-    }
-    FloatFieldSource other = (FloatFieldSource)o;
-    return this.parser==null ? 
-      other.parser==null :
-      this.parser.getClass() == other.parser.getClass();
-  }
-
-  /*(non-Javadoc) @see org.apache.lucene.search.function.FieldCacheSource#cachedFieldSourceHashCode() */
-  @Override
-  public int cachedFieldSourceHashCode() {
-    return parser==null ? 
-      Float.class.hashCode() : parser.getClass().hashCode();
-  }
-}
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