/*
 * 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> {


}