org.apache.oozie.util.XCallable Maven / Gradle / Ivy
/**
* Copyright (c) 2010 Yahoo! Inc. All rights reserved.
* Licensed 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. See accompanying LICENSE file.
*/
package org.apache.oozie.util;
import java.util.concurrent.Callable;
/**
* Extends Callable adding the concept of priority. The priority is useful when queuing callables for later
* execution via the {@link org.apache.oozie.service.CallableQueueService}. A higher number means a higher
* priority.
*/
public interface XCallable extends Callable {
/**
* Return the callable name.
*
* @return the callable name.
*/
public String getName();
/**
* Return the priority of the callable.
*
* @return the callable priority.
*/
public int getPriority();
/**
* Return the callable type. The callable type is used for concurrency throttling in the {@link
* org.apache.oozie.service.CallableQueueService}.
*
* @return the callable type.
*/
public String getType();
/**
* Returns the createdTime of the callable in milliseconds
*
* @return the callable createdTime
*/
public long getCreatedTime();
/**
* Return the key of the callable
*
* @return the callable key
*/
public String getKey();
}