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1 package org.jbpm.graph.exe;
2
3 import org.jbpm.context.exe.ContextInstance;
4 import org.jbpm.graph.def.Action;
5 import org.jbpm.graph.def.Event;
6 import org.jbpm.graph.def.GraphElement;
7 import org.jbpm.graph.def.Node;
8 import org.jbpm.graph.def.ProcessDefinition;
9 import org.jbpm.graph.def.Transition;
10 import org.jbpm.module.def.ModuleDefinition;
11 import org.jbpm.module.exe.ModuleInstance;
12 import org.jbpm.scheduler.exe.SchedulerInstance;
13 import org.jbpm.taskmgmt.def.Task;
14 import org.jbpm.taskmgmt.exe.TaskInstance;
15 import org.jbpm.taskmgmt.exe.TaskMgmtInstance;
16
17 public class ExecutionContext {
18
19 protected Token token = null;
20 protected Event event = null;
21 protected GraphElement eventSource = null;
22 protected Action action = null;
23 protected Throwable  exception = null;
24 protected Transition transition = null;
25 protected Node transitionSource = null;
26 protected Task task = null;
27 protected TaskInstance taskInstance = null;
28
29 public ExecutionContext( Token token ) {
30 this.token = token;
31 }
32
33 public ExecutionContext(ExecutionContext other) {
34 this.token = other.token;
35 this.event = other.event;
36 this.action = other.action;
37 }
38
39 public Node getNode() {
40 return token.getNode();
41 }
42
43 public ProcessDefinition getProcessDefinition() {
44 ProcessInstance processInstance = getProcessInstance();
45 return ( processInstance!=null ? processInstance.getProcessDefinition() : null );
46 }
47
48 public void setAction(Action action) {
49 this.action = action;
50 if (action!=null) {
51 this.event = action.getEvent();
52 }
53 }
54
55 public ProcessInstance getProcessInstance() {
56 return token.getProcessInstance();
57 }
58
59 public String toString() {
60 return "ExecutionContext["+ token + "]";
61 }
62
63
65
68 public void setVariable(String name, Object value) {
69 getContextInstance().setVariable(name, value, token);
70 }
71
72
75 public Object getVariable(String name) {
76 return getContextInstance().getVariable(name, token);
77 }
78
79
84 public void leaveNode() {
85 getNode().leave(this);
86 }
87
92 public void leaveNode(String transitionName) {
93 getNode().leave(this, transitionName);
94 }
95
100 public void leaveNode(Transition transition) {
101 getNode().leave(this, transition);
102 }
103
104 public ModuleDefinition getDefinition(Class clazz) {
105 return getProcessDefinition().getDefinition(clazz);
106 }
107
108 public ModuleInstance getInstance(Class clazz) {
109 ProcessInstance processInstance = (token!=null ? token.getProcessInstance() : null);
110 return (processInstance!=null ? processInstance.getInstance(clazz): null);
111 }
112
113 public ContextInstance getContextInstance() {
114 return (ContextInstance) getInstance(ContextInstance.class);
115 }
116
117 public TaskMgmtInstance getTaskMgmtInstance() {
118 return (TaskMgmtInstance) getInstance(TaskMgmtInstance.class);
119 }
120
121 public SchedulerInstance getSchedulerInstance() {
122 return (SchedulerInstance) getInstance(SchedulerInstance.class);
123 }
124
125
127 public Token getToken() {
128 return token;
129 }
130 public Action getAction() {
131 return action;
132 }
133 public Event getEvent() {
134 return event;
135 }
136 public void setEvent(Event event) {
137 this.event = event;
138 }
139 public Throwable getException() {
140 return exception;
141 }
142 public void setException(Throwable exception) {
143 this.exception = exception;
144 }
145 public Transition getTransition() {
146 return transition;
147 }
148 public void setTransition(Transition transition) {
149 this.transition = transition;
150 }
151 public Node getTransitionSource() {
152 return transitionSource;
153 }
154 public void setTransitionSource(Node transitionSource) {
155 this.transitionSource = transitionSource;
156 }
157 public GraphElement getEventSource() {
158 return eventSource;
159 }
160 public void setEventSource(GraphElement eventSource) {
161 this.eventSource = eventSource;
162 }
163 public Task getTask() {
164 return task;
165 }
166 public void setTask(Task task) {
167 this.task = task;
168 }
169 public TaskInstance getTaskInstance() {
170 return taskInstance;
171 }
172 public void setTaskInstance(TaskInstance taskInstance) {
173 this.taskInstance = taskInstance;
174 }
175 }
176 |
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