| /* |
| * 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.oodt.cas.workflow.engine.processor; |
| |
| //JDK imports |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Vector; |
| |
| import org.apache.oodt.cas.workflow.lifecycle.WorkflowLifecycleManager; |
| import org.apache.oodt.cas.workflow.structs.WorkflowInstance; |
| |
| /** |
| * |
| * WorkflowProcessor which handles running sub-processors in sequence. |
| * |
| * @author bfoster |
| * @author mattmann |
| * @version $Revision$ |
| */ |
| public class SequentialProcessor extends WorkflowProcessor { |
| |
| public SequentialProcessor(WorkflowLifecycleManager lifecycleManager, WorkflowInstance instance) { |
| super(lifecycleManager, instance); |
| } |
| |
| @Override |
| public List<WorkflowProcessor> getRunnableSubProcessors() { |
| WorkflowProcessor nextWP = this.getNext(); |
| if (nextWP != null) |
| return Collections.singletonList(nextWP); |
| else |
| return new Vector<WorkflowProcessor>(); |
| } |
| |
| @Override |
| public void handleSubProcessorMetadata(WorkflowProcessor workflowProcessor) { |
| // do nothing |
| } |
| |
| private WorkflowProcessor getNext() { |
| for (WorkflowProcessor wp : this.getSubProcessors()) |
| if (!wp.getWorkflowInstance().getState().getCategory().getName() |
| .equals("done") && !wp.getWorkflowInstance().getState().getName().equals("Executing")) |
| return wp; |
| return null; |
| } |
| |
| } |