/*
* 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.
*/
package org.apache.usergrid.corepersistence.results;
import java.util.Iterator;
import org.apache.usergrid.persistence.Results;
/**
* A strategy interface for executing queries. Each item in the iterator is a single collection of results
* Each implementation should always return 1 element of Results, even if the results are empty.
*
* QueryExecutor.next() should always return a non-null Results object
*/
@Deprecated//Required for 1.0 compatibility
public interface QueryExecutor extends Iterable<Results>, Iterator<Results> {
}