/*
 * Copyright (c) 2011-2015 EPFL DATA Laboratory
 * Copyright (c) 2014-2015 The Squall Collaboration (see NOTICE)
 *
 * All rights reserved.
 *
 * 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 ch.epfl.data.squall.examples.imperative.shj;

import java.util.ArrayList;
import java.util.Map;

import ch.epfl.data.squall.components.Component;
import ch.epfl.data.squall.components.DataSourceComponent;
import ch.epfl.data.squall.components.OperatorComponent;
import ch.epfl.data.squall.operators.AggregateCountOperator;
import ch.epfl.data.squall.query_plans.QueryPlan;

public class SimpleAggregationPlan extends QueryPlan {

    public SimpleAggregationPlan(String dataPath, String extension, Map conf) {
	super(dataPath, extension, conf);
    }

    @Override
    public Component createQueryPlan(String dataPath, String extension, Map conf) {
	// -------------------------------------------------------------------------------------
	Component sorted1 = new DataSourceComponent("SORTED-1", conf)
		.setOutputPartKey(new int[] { 0 });
	Component sorted2 = new DataSourceComponent("SORTED-2", conf)
		.setOutputPartKey(new int[] { 0 });
	Component sorted3 = new DataSourceComponent("SORTED-3", conf)
		.setOutputPartKey(new int[] { 0 });

	// Component sorted1 = new DataSourceComponent("RANDOM-1",
	// conf).setOutputPartKey(new int[] { 0 });
	// Component sorted2 = new DataSourceComponent("RANDOM-2",
	// conf).setOutputPartKey(new int[] { 0 });
	// Component sorted = new DataSourceComponent("RANDOM-3",
	// conf).setOutputPartKey(new int[] { 0 });

	ArrayList<Component> arr = new ArrayList<Component>();
	arr.add(sorted1);
	arr.add(sorted2);
	arr.add(sorted3);
	// Component sorted = new DataSourceComponent("RANDOM",
	// conf).setOutputPartKey(new int[] { 0 });

	OperatorComponent op = new OperatorComponent(arr, "COUNT")
		.add(new AggregateCountOperator(conf).setGroupByColumns(0));

	// -------------------------------------------------------------------------------------

	return op;
	// -------------------------------------------------------------------------------------
    }
}