| /* |
| * 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.examples; |
| |
| //OODT imports |
| import org.apache.oodt.cas.metadata.Metadata; |
| import org.apache.oodt.cas.workflow.structs.WorkflowTaskConfiguration; |
| import org.apache.oodt.cas.workflow.structs.WorkflowTaskInstance; |
| |
| /** |
| * @author mattmann |
| * @version $Revision$ |
| * @since OODT-53 |
| * |
| * <p> |
| * This task illustrates OODT-53 by taking a <code>num</code> {@link Metadata} |
| * parameter and then incrementing it. Subsequent executions of this same |
| * {@link WorkflowTaskInstance} within a {@link Workflow} should yield |
| * incremented versions of the initially provided <code>num</code> parameter. |
| * </p>. |
| */ |
| public class NumIncrementTask implements WorkflowTaskInstance { |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.oodt.cas.workflow.structs.WorkflowTaskInstance#run(org.apache.oodt.cas.metadata.Metadata, |
| * org.apache.oodt.cas.workflow.structs.WorkflowTaskConfiguration) |
| */ |
| public void run(Metadata metadata, WorkflowTaskConfiguration config) { |
| // read the num from the metadata, and then increment it |
| // and update the metadata |
| if (metadata.getMetadata("num") == null |
| || (metadata.getMetadata("num") != null && metadata.getMetadata("num") |
| .equals(""))) { |
| return; |
| } |
| |
| int num = Integer.parseInt(metadata.getMetadata("num")); |
| System.out.println("Num pre increment: ["+num+"]"); |
| num++; |
| System.out.println("Num post increment: ["+num+"]"); |
| metadata.replaceMetadata("num", String.valueOf(num)); |
| } |
| |
| } |