分布式调度框架。
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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.dolphinscheduler.server.master.dag;
import org.apache.dolphinscheduler.server.master.exception.WorkflowExecuteRunnableNotFoundException;
/**
* The WorkflowEngine is responsible for starting, stopping, pausing, and finalizing workflows.
*/
public interface IWorkflowEngine {
/**
* Trigger a workflow to start.
*
* @param workflowExecuteRunnable the workflow to start
*/
void triggerWorkflow(IWorkflowExecutionRunnable workflowExecuteRunnable);
/**
* Pause a workflow instance.
*
* @param workflowInstanceId the ID of the workflow to pause
* @throws WorkflowExecuteRunnableNotFoundException if the workflow is not found
*/
void pauseWorkflow(Integer workflowInstanceId);
/**
* Kill a workflow instance.
*
* @param workflowInstanceId the ID of the workflow to stop
* @throws WorkflowExecuteRunnableNotFoundException if the workflow is not found
*/
void killWorkflow(Integer workflowInstanceId);
/**
* Finalize a workflow instance. Once a workflow has been finalized, then it cannot receive new operation, and will be removed from memory.
*
* @param workflowInstanceId the ID of the workflow to finalize
*/
void finalizeWorkflow(Integer workflowInstanceId);
}