| /** |
| * 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.yarn.api.records; |
| |
| import org.apache.hadoop.classification.InterfaceAudience.Public; |
| import org.apache.hadoop.classification.InterfaceStability.Evolving; |
| |
| /** |
| * Container property encoding execution semantics. |
| * |
| * <p> |
| * The execution types are the following: |
| * <ul> |
| * <li>{@link #GUARANTEED} - this container is guaranteed to start its |
| * execution, once the corresponding start container request is received by |
| * an NM. |
| * <li>{@link #OPPORTUNISTIC} - the execution of this container may not start |
| * immediately at the NM that receives the corresponding start container |
| * request (depending on the NM's available resources). Moreover, it may be |
| * preempted if it blocks a GUARANTEED container from being executed. |
| * </ul> |
| */ |
| @Public |
| @Evolving |
| public enum ExecutionType { |
| GUARANTEED, OPPORTUNISTIC |
| } |