1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.scxml2;
18
19 import org.apache.commons.logging.Log;
20 import org.apache.commons.scxml2.model.EnterableState;
21 import org.apache.commons.scxml2.model.SCXML;
22
23 /**
24 * ActionExecutionContext providing restricted access to the SCXML model, instance and services needed
25 * for the execution of {@link org.apache.commons.scxml2.model.Action} instances
26 */
27 public class ActionExecutionContext {
28
29 /**
30 * The SCXML execution context this action exection context belongs to
31 */
32 private final SCXMLExecutionContext exctx;
33
34 /**
35 * Constructor
36 * @param exctx The SCXML execution context this action execution context belongs to
37 */
38 public ActionExecutionContext(SCXMLExecutionContext exctx) {
39 this.exctx = exctx;
40 }
41
42 /**
43 * @return Returns the state machine
44 */
45 public SCXML getStateMachine() {
46 return exctx.getStateMachine();
47 }
48
49 /**
50 * @return Returns the global context
51 */
52 public Context getGlobalContext() {
53 return exctx.getScInstance().getGlobalContext();
54 }
55
56 /**
57 * @return Returns the context for an EnterableState
58 */
59 public Context getContext(EnterableState state) {
60 return exctx.getScInstance().getContext(state);
61 }
62
63 /**
64 * @return Returns The evaluator.
65 */
66 public Evaluator getEvaluator() {
67 return exctx.getEvaluator();
68 }
69
70 /**
71 * @return Returns the error reporter
72 */
73 public ErrorReporter getErrorReporter() {
74 return exctx.getErrorReporter();
75 }
76
77 /**
78 * @return Returns the event dispatcher
79 */
80 public EventDispatcher getEventDispatcher() {
81 return exctx.getEventDispatcher();
82 }
83
84 /**
85 * @return Returns the I/O Processor for the internal event queue
86 */
87 public SCXMLIOProcessor getInternalIOProcessor() {
88 return exctx;
89 }
90
91 /**
92 * @return Returns the SCXML Execution Logger for the application
93 */
94 public Log getAppLog() {
95 return exctx.getAppLog();
96 }
97 }