| /* |
| * 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.crawl.action; |
| |
| //JDK imports |
| import java.io.File; |
| |
| //OODT imports |
| import org.apache.oodt.cas.crawl.action.CrawlerAction; |
| import org.apache.oodt.cas.crawl.structs.exceptions.CrawlerActionException; |
| import org.apache.oodt.cas.metadata.Metadata; |
| |
| /** |
| * While branching seems more along the lines of a workflow deal having support |
| * for decisions based on success or failure of an action can help support |
| * slightly more complex ingest scenarios. Since an action returns a true or |
| * false this action could be as simple as taking one action as a condition |
| * action and then running either a success or failure action. This action |
| * should allow the success or failure action to remain unspecified. |
| * |
| * @since OODT-36 |
| * @author pramirez (Paul Ramirez) |
| */ |
| public class TernaryAction extends CrawlerAction { |
| private CrawlerAction conditionAction; |
| private CrawlerAction successAction; |
| private CrawlerAction failureAction; |
| |
| @Override |
| public boolean performAction(File product, Metadata metadata) |
| throws CrawlerActionException { |
| LOG.info("Performing action (id = " + conditionAction.getId() |
| + " : description = " + conditionAction.getDescription() + ")"); |
| boolean passedCondition = conditionAction |
| .performAction(product, metadata); |
| if (passedCondition) { |
| LOG.info("Performing action (id = " + successAction.getId() |
| + " : description = " + successAction.getDescription() + ")"); |
| return (successAction == null) || successAction.performAction( |
| product, metadata); |
| } else { |
| LOG.info("Performing action (id = " + failureAction.getId() |
| + " : description = " + failureAction.getDescription() + ")"); |
| return (failureAction == null) || failureAction.performAction( |
| product, metadata); |
| } |
| } |
| |
| public void setConditionAction(CrawlerAction conditionAction) { |
| this.conditionAction = conditionAction; |
| } |
| |
| public void setSuccessAction(CrawlerAction successAction) { |
| this.successAction = successAction; |
| } |
| |
| public void setFailureAction(CrawlerAction failureAction) { |
| this.failureAction = failureAction; |
| } |
| } |