/*
* Copyright 2013 the original author or authors.
*
* Licensed 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.springframework.data.elasticsearch.repository.query;
import org.springframework.data.elasticsearch.core.ElasticsearchOperations;
import org.springframework.data.elasticsearch.core.mapping.ElasticsearchPersistentProperty;
import org.springframework.data.elasticsearch.core.query.CriteriaQuery;
import org.springframework.data.elasticsearch.repository.query.parser.ElasticsearchQueryCreator;
import org.springframework.data.mapping.context.MappingContext;
import org.springframework.data.repository.query.ParametersParameterAccessor;
import org.springframework.data.repository.query.parser.PartTree;
/**
* ElasticsearchPartQuery
*
* @author Rizwan Idrees
* @author Mohsin Husen
* @author Kevin Leturc
*/
public class ElasticsearchPartQuery extends AbstractElasticsearchRepositoryQuery {
private final PartTree tree;
private final MappingContext<?, ElasticsearchPersistentProperty> mappingContext;
public ElasticsearchPartQuery(ElasticsearchQueryMethod method, ElasticsearchOperations elasticsearchOperations) {
super(method, elasticsearchOperations);
this.tree = new PartTree(method.getName(), method.getEntityInformation().getJavaType());
this.mappingContext = elasticsearchOperations.getElasticsearchConverter().getMappingContext();
}
@Override
public Object execute(Object[] parameters) {
ParametersParameterAccessor accessor = new ParametersParameterAccessor(queryMethod.getParameters(), parameters);
CriteriaQuery query = createQuery(accessor);
if (queryMethod.isPageQuery()) {
query.setPageable(accessor.getPageable());
return elasticsearchOperations.queryForPage(query, queryMethod.getEntityInformation().getJavaType());
} else if (queryMethod.isCollectionQuery()) {
if (accessor.getPageable() != null) {
query.setPageable(accessor.getPageable());
}
return elasticsearchOperations.queryForList(query, queryMethod.getEntityInformation().getJavaType());
} else if (tree.isCountProjection()) {
return elasticsearchOperations.count(query, queryMethod.getEntityInformation().getJavaType());
}
return elasticsearchOperations.queryForObject(query, queryMethod.getEntityInformation().getJavaType());
}
public CriteriaQuery createQuery(ParametersParameterAccessor accessor) {
return new ElasticsearchQueryCreator(tree, accessor, mappingContext).createQuery();
}
}