org.apache.flink.runtime.taskmanager.TaskManagerRuntimeInfo Maven / Gradle / Ivy
/*
* 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.flink.runtime.taskmanager;
import org.apache.flink.configuration.Configuration;
import static org.apache.flink.util.Preconditions.checkNotNull;
import static org.apache.flink.util.Preconditions.checkArgument;
/**
* Encapsulation of TaskManager runtime information, like hostname and configuration.
*/
public class TaskManagerRuntimeInfo implements java.io.Serializable {
private static final long serialVersionUID = 5598219619760274072L;
/** host name of the interface that the TaskManager uses to communicate */
private final String hostname;
/** configuration that the TaskManager was started with */
private final Configuration configuration;
/** list of temporary file directories */
private final String[] tmpDirectories;
/**
* Creates a runtime info.
*
* @param hostname The host name of the interface that the TaskManager uses to communicate.
* @param configuration The configuration that the TaskManager was started with.
* @param tmpDirectory The temporary file directory.
*/
public TaskManagerRuntimeInfo(String hostname, Configuration configuration, String tmpDirectory) {
this(hostname, configuration, new String[] { tmpDirectory });
}
/**
* Creates a runtime info.
* @param hostname The host name of the interface that the TaskManager uses to communicate.
* @param configuration The configuration that the TaskManager was started with.
* @param tmpDirectories The list of temporary file directories.
*/
public TaskManagerRuntimeInfo(String hostname, Configuration configuration, String[] tmpDirectories) {
checkArgument(tmpDirectories.length > 0);
this.hostname = checkNotNull(hostname);
this.configuration = checkNotNull(configuration);
this.tmpDirectories = tmpDirectories;
}
/**
* Gets host name of the interface that the TaskManager uses to communicate.
* @return The host name of the interface that the TaskManager uses to communicate.
*/
public String getHostname() {
return hostname;
}
/**
* Gets the configuration that the TaskManager was started with.
* @return The configuration that the TaskManager was started with.
*/
public Configuration getConfiguration() {
return configuration;
}
/**
* Gets the list of temporary file directories.
* @return The list of temporary file directories.
*/
public String[] getTmpDirectories() {
return tmpDirectories;
}
}