/**
* 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.hadoop.hive.ql.stats;
import java.util.Map;
import com.facebook.presto.hive.shaded.org.apache.commons.logging.Log;
import com.facebook.presto.hive.shaded.org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hive.ql.exec.MapredContext;
import org.apache.hadoop.mapred.Reporter;
public class CounterStatsPublisher implements StatsPublisher, StatsCollectionTaskIndependent {
private static final Log LOG = LogFactory.getLog(CounterStatsPublisher.class.getName());
private Reporter reporter;
@Override
public boolean init(Configuration hconf) {
return true;
}
@Override
public boolean connect(Configuration hconf) {
MapredContext context = MapredContext.get();
if (context == null || context.getReporter() == null) {
return false;
}
reporter = context.getReporter();
return true;
}
@Override
public boolean publishStat(String fileID, Map<String, String> stats) {
for (Map.Entry<String, String> entry : stats.entrySet()) {
try {
reporter.incrCounter(fileID, entry.getKey(), Long.valueOf(entry.getValue()));
} catch (NumberFormatException e) {
LOG.error("Invalid counter value " + entry.getValue() + " for " + entry.getKey());
}
}
return true;
}
@Override
public boolean closeConnection() {
return true;
}
}