| /* |
| * 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.ode.daohib.bpel.ql; |
| |
| import java.util.Comparator; |
| |
| import org.apache.commons.lang.ArrayUtils; |
| |
| import org.apache.ode.bpel.common.ProcessState; |
| import org.apache.ode.daohib.bpel.hobj.HProcessInstance; |
| |
| class StateComparator implements Comparator<HProcessInstance> { |
| |
| private static final short[] order = { |
| //"active" status |
| ProcessState.STATE_ACTIVE, |
| ProcessState.STATE_NEW, |
| ProcessState.STATE_READY, |
| //"completed" |
| ProcessState.STATE_COMPLETED_OK, |
| //"error" |
| //TODO Create status for error |
| 200,//noState |
| //"failed" |
| ProcessState.STATE_COMPLETED_WITH_FAULT, |
| //"suspended" |
| ProcessState.STATE_SUSPENDED, |
| //"terminated" |
| ProcessState.STATE_TERMINATED}; |
| |
| private final int multiplier; |
| |
| public final static StateComparator ASC = new StateComparator(true); |
| public final static StateComparator DESC = new StateComparator(false); |
| |
| protected StateComparator(boolean asc) { |
| multiplier = asc?1:-1; |
| } |
| /** |
| * @see java.util.Comparator#compare(java.lang.Object, java.lang.Object) |
| */ |
| public int compare(HProcessInstance o1, HProcessInstance o2) { |
| return multiplier * (ArrayUtils.indexOf(order, o1.getState()) - ArrayUtils.indexOf(order, o2.getState())); |
| } |
| |
| } |