package org.apache.lucene.queryParser.standard.config;
/**
* 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.queryParser.core.config.FieldConfig;
import org.apache.lucene.queryParser.standard.processors.MultiFieldQueryNodeProcessor;
import org.apache.lucene.util.AttributeImpl;
/**
* This attribute is used by {@link MultiFieldQueryNodeProcessor} processor and
* it should be defined in a {@link FieldConfig}. This processor uses this
* attribute to define which boost a specific field should have when none is
* defined to it. <br/>
* <br/>
*
* @see org.apache.lucene.queryParser.standard.config.BoostAttribute
*/
public class BoostAttributeImpl extends AttributeImpl
implements BoostAttribute {
private static final long serialVersionUID = -2104763012523049527L;
private float boost = 1.0f;
public BoostAttributeImpl() {
// empty constructor
}
public void setBoost(float boost) {
this.boost = boost;
}
public float getBoost() {
return this.boost;
}
@Override
public void clear() {
throw new UnsupportedOperationException();
}
@Override
public void copyTo(AttributeImpl target) {
throw new UnsupportedOperationException();
}
@Override
public boolean equals(Object other) {
if (other instanceof BoostAttributeImpl
&& ((BoostAttributeImpl) other).boost == this.boost) {
return true;
}
return false;
}
@Override
public int hashCode() {
return Float.valueOf(this.boost).hashCode();
}
@Override
public String toString() {
return "<boostAttribute boost=" + this.boost + "/>";
}
}