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LUCENE-2831: delete TopValueSource - will be illegal in the future 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1056746 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Yonik Seeley 2011-01-08 17:50:24 +00:00
parent 8b241d9230
commit a518f57756
1 changed files with 0 additions and 101 deletions
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101
solr/src/java/org/apache/solr/search/function/TopValueSource.java
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@ -1,101 +0,0 @@
package org.apache.solr.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.solr.search.SolrIndexReader;
import org.apache.lucene.index.IndexReader;
import java.io.IOException;
import java.util.Map;
/**
* A value source that wraps another and ensures that the top level reader
* is used. This is useful for value sources like ord() who's value depend
* on all those around it.
*/
public class TopValueSource extends ValueSource {
private final ValueSource vs;
public TopValueSource(ValueSource vs) {
this.vs = vs;
}
public ValueSource getValueSource() {
return vs;
}
public String description() {
return "top(" + vs.description() + ')';
}
public DocValues getValues(Map context, IndexReader reader) throws IOException {
int offset = 0;
IndexReader topReader = reader;
if (topReader instanceof SolrIndexReader) {
SolrIndexReader r = (SolrIndexReader)topReader;
while (r.getParent() != null) {
offset += r.getBase();
r = r.getParent();
}
topReader = r;
}
final int off = offset;
final DocValues vals = vs.getValues(context, topReader);
if (topReader == reader) return vals;
return new DocValues() {
public float floatVal(int doc) {
return vals.floatVal(doc + off);
}
public int intVal(int doc) {
return vals.intVal(doc + off);
}
public long longVal(int doc) {
return vals.longVal(doc + off);
}
public double doubleVal(int doc) {
return vals.doubleVal(doc + off);
}
public String strVal(int doc) {
return vals.strVal(doc + off);
}
public String toString(int doc) {
return vals.strVal(doc + off);
}
};
}
public boolean equals(Object o) {
if (o.getClass() != TopValueSource.class) return false;
TopValueSource other = (TopValueSource)o;
return vs.equals(other.vs);
}
public int hashCode() {
int h = vs.hashCode();
return (h<<1) | (h>>>31);
}
public String toString() {
return "top("+vs.toString()+')';
}
}