| /* |
| * 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 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.dag.app.launcher; |
| |
| import org.apache.tez.common.Preconditions; |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.tez.serviceplugins.api.ContainerLaunchRequest; |
| import org.apache.tez.serviceplugins.api.ContainerLauncherOperationBase; |
| import org.apache.tez.serviceplugins.api.ContainerStopRequest; |
| |
| @InterfaceAudience.Private |
| public class ContainerOp { |
| enum OPType { |
| LAUNCH_REQUEST, STOP_REQUEST |
| } |
| |
| final ContainerLauncherOperationBase command; |
| final OPType opType; |
| |
| public ContainerOp(OPType opType, ContainerLauncherOperationBase command) { |
| this.opType = opType; |
| this.command = command; |
| } |
| |
| public OPType getOpType() { |
| return opType; |
| } |
| |
| public ContainerLauncherOperationBase getBaseOperation() { |
| return command; |
| } |
| |
| public ContainerLaunchRequest getLaunchRequest() { |
| Preconditions.checkState(opType == OPType.LAUNCH_REQUEST); |
| return (ContainerLaunchRequest) command; |
| } |
| |
| public ContainerStopRequest getStopRequest() { |
| Preconditions.checkState(opType == OPType.STOP_REQUEST); |
| return (ContainerStopRequest) command; |
| } |
| |
| @Override |
| public String toString() { |
| return "ContainerOp{" + |
| "opType=" + opType + |
| ", command=" + command + |
| '}'; |
| } |
| } |