Java tutorial
/* * Copyright (C) 2013 Conductor, Inc. * * 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 net.opentsdb.contrib.tsquare; import java.util.Collections; import java.util.Map; import net.opentsdb.core.Aggregator; import com.google.common.collect.Maps; /** * @author James Royalty (jroyalty) <i>[Aug 1, 2013]</i> */ public class LookupNamedAggregatorFactory implements NamedAggregatorFactory { private Map<String, Aggregator> aggregators = Collections.emptyMap(); @Override public Aggregator getAggregatorByName(String aggregatorName) { return aggregators.get(aggregatorName.toLowerCase()); } public void setAggregators(Map<String, Aggregator> aggregatorsMap) { this.aggregators = Maps.newLinkedHashMap(); for (final Map.Entry<String, Aggregator> entry : aggregatorsMap.entrySet()) { this.aggregators.put(entry.getKey().toLowerCase(), entry.getValue()); } } }