| /* |
| * Copyright 2009-2013 by The Regents of the University of California |
| * 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 from |
| * |
| * 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 edu.uci.ics.hivesterix.runtime.exec;
|
|
|
| import java.io.Serializable;
|
| import java.util.List;
|
|
|
| import org.apache.hadoop.hive.ql.exec.Task;
|
|
|
| public interface IExecutionEngine {
|
|
|
| /**
|
| * compile the job
|
| *
|
| * @param rootTasks
|
| * : Hive MapReduce plan
|
| * @return 0 pass, 1 fail
|
| */
|
| public int compileJob(List<Task<? extends Serializable>> rootTasks);
|
|
|
| /**
|
| * execute the job with latest compiled plan
|
| *
|
| * @return
|
| */
|
| public int executeJob();
|
| }
|