hadoop ResourcesExceptionUtil 源码
haddop ResourcesExceptionUtil 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/resources/ResourcesExceptionUtil.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.hadoop.yarn.server.nodemanager.containermanager.linux.resources;
import static org.apache.hadoop.yarn.conf.YarnConfiguration.DEFAULT_NM_RESOURCE_PLUGINS_FAIL_FAST;
import static org.apache.hadoop.yarn.conf.YarnConfiguration.NM_RESOURCE_PLUGINS_FAIL_FAST;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.exceptions.YarnException;
/**
* Small utility class which only re-throws YarnException if
* NM_RESOURCE_PLUGINS_FAIL_FAST property is true.
*
*/
public final class ResourcesExceptionUtil {
private ResourcesExceptionUtil() {}
public static void throwIfNecessary(YarnException e, Configuration conf)
throws YarnException {
if (conf.getBoolean(NM_RESOURCE_PLUGINS_FAIL_FAST,
DEFAULT_NM_RESOURCE_PLUGINS_FAIL_FAST)) {
throw e;
}
}
}
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