| /** |
| * 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.model; |
| |
| import java.util.Collection; |
| import java.util.Date; |
| import java.util.concurrent.CopyOnWriteArraySet; |
| |
| import javax.persistence.CascadeType; |
| import javax.persistence.Entity; |
| import javax.persistence.FetchType; |
| import javax.persistence.Id; |
| import javax.persistence.ManyToOne; |
| import javax.persistence.OneToMany; |
| import javax.persistence.Table; |
| import javax.persistence.Temporal; |
| import javax.persistence.TemporalType; |
| import javax.persistence.Transient; |
| |
| import org.apache.camel.bam.rules.ActivityRules; |
| |
| /** |
| * Represents a single business process |
| * |
| * @version |
| */ |
| @Entity |
| @Table(name = "CAMEL_PROCESSINSTANCE") |
| public class ProcessInstance { |
| private ProcessDefinition processDefinition; |
| private Collection<ActivityState> activityStates = new CopyOnWriteArraySet<ActivityState>(); |
| private String correlationKey; |
| private Date timeStarted; |
| private Date timeCompleted; |
| |
| public ProcessInstance() { |
| setTimeStarted(new Date()); |
| } |
| |
| public String toString() { |
| return "ProcessInstance[" + getCorrelationKey() + "]"; |
| } |
| |
| @Id |
| public String getCorrelationKey() { |
| return correlationKey; |
| } |
| |
| public void setCorrelationKey(String correlationKey) { |
| this.correlationKey = correlationKey; |
| } |
| |
| @ManyToOne(fetch = FetchType.LAZY, cascade = {CascadeType.PERSIST, CascadeType.MERGE}) |
| public ProcessDefinition getProcessDefinition() { |
| return processDefinition; |
| } |
| |
| public void setProcessDefinition(ProcessDefinition processDefinition) { |
| this.processDefinition = processDefinition; |
| } |
| |
| @OneToMany(mappedBy = "processInstance", fetch = FetchType.LAZY, cascade = {CascadeType.ALL}) |
| public Collection<ActivityState> getActivityStates() { |
| return activityStates; |
| } |
| |
| public void setActivityStates(Collection<ActivityState> activityStates) { |
| this.activityStates = activityStates; |
| } |
| |
| @Transient |
| public boolean isStarted() { |
| return getTimeStarted() != null; |
| } |
| |
| @Transient |
| public boolean isCompleted() { |
| return getTimeCompleted() != null; |
| } |
| |
| @Temporal(TemporalType.TIME) |
| public Date getTimeStarted() { |
| return timeStarted; |
| } |
| |
| public void setTimeStarted(Date timeStarted) { |
| this.timeStarted = timeStarted; |
| } |
| |
| @Temporal(TemporalType.TIME) |
| public Date getTimeCompleted() { |
| return timeCompleted; |
| } |
| |
| public void setTimeCompleted(Date timeCompleted) { |
| this.timeCompleted = timeCompleted; |
| } // Helper methods |
| |
| // ------------------------------------------------------------------------- |
| |
| /** |
| * Returns the activity state for the given activity |
| * |
| * @param activityRules the activity to find the state for |
| * @return the activity state or null if no state could be found for the |
| * given activity |
| */ |
| public ActivityState getActivityState(ActivityRules activityRules) { |
| for (ActivityState activityState : getActivityStates()) { |
| if (activityState.isActivity(activityRules)) { |
| return activityState; |
| } |
| } |
| return null; |
| } |
| |
| public ActivityState getOrCreateActivityState(ActivityRules activityRules) { |
| ActivityState state = getActivityState(activityRules); |
| |
| if (state == null) { |
| state = createActivityState(); |
| state.setProcessInstance(this); |
| state.setActivityDefinition(activityRules.getActivityDefinition()); |
| // we don't need to do: getTemplate().persist(state); |
| } |
| |
| return state; |
| } |
| |
| protected ActivityState createActivityState() { |
| return new ActivityState(); |
| } |
| } |