| /** |
| * 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.structs; |
| |
| //JDK imports |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.List; |
| import java.util.logging.Logger; |
| |
| //OODT imports |
| import org.apache.oodt.cas.workflow.engine.processor.WorkflowProcessor; |
| |
| /** |
| * |
| * Sorts the {@link List} of {@link WorkflowProcessor} candidates according to |
| * the time in which the {@link WorkflowInstance} that they are processing was |
| * created. The first ones to get processed are the most recently created |
| * instances. |
| * |
| * @author mattmann |
| * @author bfoster |
| * @version $Revision$ |
| * |
| */ |
| public class FILOPrioritySorter implements PrioritySorter { |
| |
| private static final Logger LOG = Logger.getLogger(FILOPrioritySorter.class |
| .getName()); |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.apache.oodt.cas.workflow.structs.PrioritySorter#sort(java.util.List) |
| */ |
| @Override |
| public synchronized void sort(List<WorkflowProcessor> candidates) { |
| Collections.sort(candidates, new Comparator<WorkflowProcessor>() { |
| /* |
| * (non-Javadoc) |
| * |
| * @see java.util.Comparator#compare(java.lang.Object, java.lang.Object) |
| */ |
| @Override |
| public int compare(WorkflowProcessor o1, WorkflowProcessor o2) { |
| return o1.getWorkflowInstance().getStartDate() |
| .compareTo(o2.getWorkflowInstance().getStartDate()); |
| } |
| |
| }); |
| |
| } |
| |
| } |