org.apache.solr.search.function.ShortFieldSource Maven / Gradle / Ivy
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.lucene.search.FieldCache;
import org.apache.lucene.index.IndexReader;
import java.io.IOException;
import java.util.Map;
/**
*
*
**/
public class ShortFieldSource extends FieldCacheSource{
FieldCache.ShortParser parser;
public ShortFieldSource(String field) {
this(field, null);
}
public ShortFieldSource(String field, FieldCache.ShortParser parser) {
super(field);
this.parser = parser;
}
public String description() {
return "short(" + field + ')';
}
public DocValues getValues(Map context, IndexReader reader) throws IOException {
final short[] arr = (parser == null) ?
cache.getShorts(reader, field) :
cache.getShorts(reader, field, parser);
return new DocValues() {
@Override
public byte byteVal(int doc) {
return (byte) arr[doc];
}
@Override
public short shortVal(int doc) {
return (short) arr[doc];
}
public float floatVal(int doc) {
return (float) arr[doc];
}
public int intVal(int doc) {
return (int) arr[doc];
}
public long longVal(int doc) {
return (long) arr[doc];
}
public double doubleVal(int doc) {
return (double) arr[doc];
}
public String strVal(int doc) {
return Short.toString(arr[doc]);
}
public String toString(int doc) {
return description() + '=' + shortVal(doc);
}
};
}
public boolean equals(Object o) {
if (o.getClass() != ShortFieldSource.class) return false;
ShortFieldSource
other = (ShortFieldSource) o;
return super.equals(other)
&& this.parser == null ? other.parser == null :
this.parser.getClass() == other.parser.getClass();
}
public int hashCode() {
int h = parser == null ? Short.class.hashCode() : parser.getClass().hashCode();
h += super.hashCode();
return h;
}
}