/
LogAggregationContext.java
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/
LogAggregationContext.java
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/**
* 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;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.util.Records;
/**
* <p><code>LogAggregationContext</code> represents all of the
* information needed by the <code>NodeManager</code> to handle
* the logs for an application.</p>
*
* <p>It includes details such as:
* <ul>
* <li>includePattern. It uses Java Regex to filter the log files
* which match the defined include pattern and those log files
* will be uploaded when the application finishes. </li>
* <li>excludePattern. It uses Java Regex to filter the log files
* which match the defined exclude pattern and those log files
* will not be uploaded when application finishes. If the log file
* name matches both the include and the exclude pattern, this file
* will be excluded eventually</li>
* <li>rolledLogsIncludePattern. It uses Java Regex to filter the log files
* which match the defined include pattern and those log files
* will be aggregated in a rolling fashion.</li>
* <li>rolledLogsExcludePattern. It uses Java Regex to filter the log files
* which match the defined exclude pattern and those log files
* will not be aggregated in a rolling fashion. If the log file
* name matches both the include and the exclude pattern, this file
* will be excluded eventually</li>
* </ul>
* </p>
*
* @see ApplicationSubmissionContext
*/
@Evolving
@Public
public abstract class LogAggregationContext {
@Public
@Unstable
public static LogAggregationContext newInstance(String includePattern,
String excludePattern) {
LogAggregationContext context = Records.newRecord(LogAggregationContext.class);
context.setIncludePattern(includePattern);
context.setExcludePattern(excludePattern);
return context;
}
@Public
@Unstable
public static LogAggregationContext newInstance(String includePattern,
String excludePattern, String rolledLogsIncludePattern,
String rolledLogsExcludePattern) {
LogAggregationContext context =
Records.newRecord(LogAggregationContext.class);
context.setIncludePattern(includePattern);
context.setExcludePattern(excludePattern);
context.setRolledLogsIncludePattern(rolledLogsIncludePattern);
context.setRolledLogsExcludePattern(rolledLogsExcludePattern);
return context;
}
/**
* Get include pattern. This includePattern only takes affect
* on logs that exist at the time of application finish.
*
* @return include pattern
*/
@Public
@Unstable
public abstract String getIncludePattern();
/**
* Set include pattern. This includePattern only takes affect
* on logs that exist at the time of application finish.
*
* @param includePattern
*/
@Public
@Unstable
public abstract void setIncludePattern(String includePattern);
/**
* Get exclude pattern. This excludePattern only takes affect
* on logs that exist at the time of application finish.
*
* @return exclude pattern
*/
@Public
@Unstable
public abstract String getExcludePattern();
/**
* Set exclude pattern. This excludePattern only takes affect
* on logs that exist at the time of application finish.
*
* @param excludePattern
*/
@Public
@Unstable
public abstract void setExcludePattern(String excludePattern);
/**
* Get include pattern in a rolling fashion.
*
* @return include pattern
*/
@Public
@Unstable
public abstract String getRolledLogsIncludePattern();
/**
* Set include pattern in a rolling fashion.
*
* @param rolledLogsIncludePattern
*/
@Public
@Unstable
public abstract void setRolledLogsIncludePattern(
String rolledLogsIncludePattern);
/**
* Get exclude pattern for aggregation in a rolling fashion.
*
* @return exclude pattern
*/
@Public
@Unstable
public abstract String getRolledLogsExcludePattern();
/**
* Set exclude pattern for in a rolling fashion.
*
* @param rolledLogsExcludePattern
*/
@Public
@Unstable
public abstract void setRolledLogsExcludePattern(
String rolledLogsExcludePattern);
}