io.druid.indexing.overlord.TaskRunnerUtils Maven / Gradle / Ivy
/*
* Licensed to Metamarkets Group Inc. (Metamarkets) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Metamarkets 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 io.druid.indexing.overlord;
import com.metamx.emitter.EmittingLogger;
import io.druid.indexing.common.TaskLocation;
import io.druid.indexing.common.TaskStatus;
import io.druid.java.util.common.Pair;
import java.util.concurrent.Executor;
public class TaskRunnerUtils
{
private static final EmittingLogger log = new EmittingLogger(TaskRunnerUtils.class);
public static void notifyLocationChanged(
final Iterable> listeners,
final String taskId,
final TaskLocation location
)
{
log.info("Task [%s] location changed to [%s].", taskId, location);
for (final Pair listener : listeners) {
try {
listener.rhs.execute(
new Runnable()
{
@Override
public void run()
{
listener.lhs.locationChanged(taskId, location);
}
}
);
}
catch (Exception e) {
log.makeAlert(e, "Unable to notify task listener")
.addData("taskId", taskId)
.addData("taskLocation", location)
.addData("listener", listener.toString())
.emit();
}
}
}
public static void notifyStatusChanged(
final Iterable> listeners,
final String taskId,
final TaskStatus status
)
{
log.info("Task [%s] status changed to [%s].", taskId, status.getStatusCode());
for (final Pair listener : listeners) {
try {
listener.rhs.execute(
new Runnable()
{
@Override
public void run()
{
listener.lhs.statusChanged(taskId, status);
}
}
);
}
catch (Exception e) {
log.makeAlert(e, "Unable to notify task listener")
.addData("taskId", taskId)
.addData("taskStatus", status.getStatusCode())
.addData("listener", listener.toString())
.emit();
}
}
}
}