| /** |
| * 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.camel.bam; |
| |
| import java.util.Date; |
| |
| import org.apache.camel.bam.model.ActivityState; |
| import org.apache.camel.bam.model.ProcessInstance; |
| import org.apache.camel.bam.rules.ActivityRules; |
| import org.apache.camel.bam.rules.TemporalRule; |
| import static org.apache.camel.util.ObjectHelper.equal; |
| |
| /** |
| * @version |
| */ |
| public abstract class TimeExpression { |
| private ActivityRules activityRules; |
| private ActivityBuilder builder; |
| private ActivityLifecycle lifecycle; |
| |
| public TimeExpression(ActivityBuilder builder, ActivityLifecycle lifecycle) { |
| this.lifecycle = lifecycle; |
| this.builder = builder; |
| this.activityRules = builder.getActivityRules(); |
| } |
| |
| public boolean isActivityLifecycle(ActivityRules activityRules, ActivityLifecycle lifecycle) { |
| return equal(activityRules, this.activityRules) && equal(lifecycle, this.lifecycle); |
| } |
| |
| /** |
| * Creates a new temporal rule on this expression and the other expression |
| */ |
| public TemporalRule after(TimeExpression expression) { |
| TemporalRule rule = new TemporalRule(expression, this); |
| rule.getSecond().getActivityRules().addRule(rule); |
| return rule; |
| } |
| |
| public Date evaluate(ProcessInstance processInstance) { |
| ActivityState state = processInstance.getActivityState(activityRules); |
| if (state != null) { |
| return evaluate(processInstance, state); |
| } |
| return null; |
| } |
| |
| public abstract Date evaluate(ProcessInstance instance, ActivityState state); |
| |
| // Properties |
| //------------------------------------------------------------------------- |
| |
| public ActivityBuilder getBuilder() { |
| return builder; |
| } |
| |
| public ActivityRules getActivityRules() { |
| return activityRules; |
| } |
| |
| public ActivityLifecycle getLifecycle() { |
| return lifecycle; |
| } |
| |
| public ActivityState getActivityState(ProcessInstance instance) { |
| return instance.getActivityState(activityRules); |
| } |
| |
| public ActivityState getOrCreateActivityState(ProcessInstance instance) { |
| return instance.getOrCreateActivityState(activityRules); |
| } |
| } |