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* 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.action.termvector.dfs;
import org.apache.lucene.index.Fields;
import org.apache.lucene.index.Terms;
import org.apache.lucene.index.TermsEnum;
import org.elasticsearch.action.ActionRequestValidationException;
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.action.support.broadcast.BroadcastOperationRequest;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.xcontent.XContentHelper;
import org.elasticsearch.index.query.BoolQueryBuilder;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import java.io.IOException;
import java.util.Arrays;
import java.util.Set;
import static org.elasticsearch.index.query.QueryBuilders.boolQuery;
public class DfsOnlyRequest extends BroadcastOperationRequest<DfsOnlyRequest> {
private SearchRequest searchRequest = new SearchRequest();
long nowInMillis;
DfsOnlyRequest() {
}
public DfsOnlyRequest(Fields termVectorFields, String[] indices, String[] types, Set<String> selectedFields) throws IOException {
super(indices);
// build a search request with a query of all the terms
final BoolQueryBuilder boolBuilder = boolQuery();
TermsEnum iterator = null;
for (String fieldName : termVectorFields) {
if ((selectedFields != null) && (!selectedFields.contains(fieldName))) {
continue;
}
Terms terms = termVectorFields.terms(fieldName);
iterator = terms.iterator(iterator);
while (iterator.next() != null) {
String text = iterator.term().utf8ToString();
boolBuilder.should(QueryBuilders.termQuery(fieldName, text));
}
}
// wrap a search request object
this.searchRequest = new SearchRequest(indices).types(types).source(new SearchSourceBuilder().query(boolBuilder));
}
public SearchRequest getSearchRequest() {
return searchRequest;
}
@Override
public ActionRequestValidationException validate() {
return searchRequest.validate();
}
@Override
protected void beforeStart() {
searchRequest.beforeStart();
}
@Override
public void readFrom(StreamInput in) throws IOException {
super.readFrom(in);
this.searchRequest.readFrom(in);
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
this.searchRequest.writeTo(out);
}
public String[] types() {
return this.searchRequest.types();
}
public String routing() {
return this.searchRequest.routing();
}
public String preference() {
return this.searchRequest.preference();
}
@Override
public String toString() {
String sSource = "_na_";
try {
sSource = XContentHelper.convertToJson(searchRequest.source(), false);
} catch (IOException e) {
// ignore
}
return "[" + Arrays.toString(indices) + "]" + Arrays.toString(types()) + ", source[" + sSource + "]";
}
}