hadoop LauncherArguments 源码
haddop LauncherArguments 代码
文件路径：/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/service/launcher/LauncherArguments.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.service.launcher;
/**
* Standard launcher arguments. These are all from
* the {@code GenericOptionsParser}, simply extracted to constants.
*/
public interface LauncherArguments {
/**
* Name of the configuration argument on the CLI.
* Value: {@value}
*/
String ARG_CONF = "conf";
String ARG_CONF_SHORT = "conf";
/**
* prefixed version of {@link #ARG_CONF}.
* Value: {@value}
*/
String ARG_CONF_PREFIXED = "--" + ARG_CONF;
/**
* Name of a configuration class which is loaded before any
* attempt is made to load the class.
* <p>
* Value: {@value}
*/
String ARG_CONFCLASS = "hadoopconf";
String ARG_CONFCLASS_SHORT = "hadoopconf";
/**
* Prefixed version of {@link #ARG_CONFCLASS}.
* Value: {@value}
*/
String ARG_CONFCLASS_PREFIXED = "--" + ARG_CONFCLASS;
/**
* Error string on a parse failure.
* Value: {@value}
*/
String E_PARSE_FAILED = "Failed to parse: ";
}
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