/**
* 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.mahout.common;
import com.google.common.collect.Lists;
import org.apache.hadoop.io.Writable;
import org.apache.hadoop.io.WritableComparable;
import org.apache.hadoop.mapred.OutputCollector;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
public final class DummyOutputCollector<K extends WritableComparable, V extends Writable>
implements OutputCollector<K,V> {
private final Map<K, List<V>> data = new TreeMap<K,List<V>>();
@Override
public void collect(K key,V values) {
List<V> points = data.get(key);
if (points == null) {
points = Lists.newArrayList();
data.put(key, points);
}
points.add(values);
}
public Map<K,List<V>> getData() {
return data;
}
public List<V> getValue(K key) {
return data.get(key);
}
public Set<K> getKeys() {
return data.keySet();
}
}