TestGroupByFactory.java

/*
 * Copyright 2016 KairosDB 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.kairosdb.core.groupby;

import org.kairosdb.core.aggregator.annotation.GroupByName;

import java.util.HashMap;
import java.util.Map;

public class TestGroupByFactory implements GroupByFactory
{
	private Map<String, GroupBy> groupBys = new HashMap<String, GroupBy>();

	public TestGroupByFactory()
	{
		addGroupBy(new SimpleTimeGroupBy());
		addGroupBy(new ValueGroupBy());
		addGroupBy(new TagGroupBy());
		addGroupBy(new TimeGroupBy());
	}

	private void addGroupBy(GroupBy groupBy)
	{
		String name = (groupBy.getClass().getAnnotation(GroupByName.class)).name();
		groupBys.put(name, groupBy);
	}

	@Override
	public GroupBy createGroupBy(String name)
	{
		return groupBys.get(name);
	}
}