tez-runtime-internals/src/main/java/org/apache/tez/runtime/api/impl/TezUmbilical.java

/**
 * 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.tez.runtime.api.impl;

import java.io.IOException;
import java.util.Collection;

import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.tez.dag.records.TezTaskAttemptID;
import org.apache.tez.runtime.api.TaskFailureType;

@Private
public interface TezUmbilical {

  void addEvents(Collection<TezEvent> events);

  void signalFailure(TezTaskAttemptID taskAttemptID, TaskFailureType taskFailureType, Throwable t, String message,
                     EventMetaData sourceInfo);

  void signalKillSelf(TezTaskAttemptID taskAttemptID, Throwable t, String message, EventMetaData sourceInfo);

  boolean canCommit(TezTaskAttemptID taskAttemptID) throws IOException;

}