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Elasticsearch Hadoop Map/Reduce
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.
*/
package org.elasticsearch.hadoop.rest.query;
import org.elasticsearch.hadoop.serialization.Generator;
/**
* A Query that matches documents containing a term.
*/
public class TermQueryBuilder extends QueryBuilder {
/** Name of field to match against. */
private String field;
/** Value to find matches for. */
private String term;
public TermQueryBuilder field(String value) {
if (value == null) {
throw new IllegalArgumentException("inner clause [field] cannot be null");
}
this.field = value;
return this;
}
public TermQueryBuilder term(String value) {
if (value == null) {
throw new IllegalArgumentException("inner clause [term] cannot be null");
}
this.term = value;
return this;
}
@Override
public void toJson(Generator out) {
if (field == null) {
throw new IllegalArgumentException("inner clause [field] cannot be null");
}
if (term == null) {
throw new IllegalArgumentException("inner clause [term] cannot be null");
}
out.writeFieldName("term")
.writeBeginObject()
.writeFieldName(field)
.writeString(term)
.writeEndObject();
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
TermQueryBuilder that = (TermQueryBuilder) o;
if (field != null ? !field.equals(that.field) : that.field != null) return false;
return term != null ? term.equals(that.term) : that.term == null;
}
@Override
public int hashCode() {
int result = field != null ? field.hashCode() : 0;
result = 31 * result + (term != null ? term.hashCode() : 0);
return result;
}
}