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package org.mule.module.jbpm; |
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import org.mule.module.bpm.Process; |
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import org.mule.util.ClassUtils; |
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import java.util.Map; |
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import org.jbpm.api.JbpmException; |
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import org.jbpm.api.activity.ActivityExecution; |
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import org.jbpm.internal.log.Log; |
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import org.jbpm.jpdl.internal.activity.StateActivity; |
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import org.jbpm.pvm.internal.model.ExecutionImpl; |
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public class MuleReceiveActivity extends StateActivity |
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{ |
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private String endpoint; |
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private Class payloadClass; |
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private String variableName; |
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private final boolean startState; |
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42 | 0 | private static final Log log = Log.getLog(MuleReceiveActivity.class.getName()); |
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public MuleReceiveActivity(boolean startState) |
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{ |
46 | 0 | super(); |
47 | 0 | this.startState = startState; |
48 | 0 | } |
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@Override |
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public void execute(ExecutionImpl execution) |
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{ |
53 | 0 | execution.historyActivityStart(); |
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55 | 0 | if (startState) |
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{ |
57 | 0 | execution.signal(); |
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} |
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else |
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{ |
61 | 0 | execution.waitForSignal(); |
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} |
63 | 0 | } |
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@Override |
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public void signal(ActivityExecution execution, String signalName, Map<String, ?> parameters) |
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throws Exception |
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{ |
69 | 0 | Object payload = execution.getVariable(Process.PROCESS_VARIABLE_INCOMING); |
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72 | 0 | if (endpoint != null) |
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{ |
74 | 0 | String messageSource = (String) execution.getVariable(Process.PROCESS_VARIABLE_INCOMING_SOURCE); |
75 | 0 | log.debug("Validating message source = " + messageSource + ", expected = " + endpoint); |
76 | 0 | if (!endpoint.equalsIgnoreCase(messageSource)) |
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{ |
78 | 0 | throw new JbpmException("Incoming message source is " + messageSource + " but expected source is " + endpoint); |
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} |
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} |
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83 | 0 | if (payloadClass != null) |
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{ |
85 | 0 | log.debug("Validating message type = " + payload.getClass() + ", expected = " + payloadClass); |
86 | 0 | if (!payloadClass.isAssignableFrom(payload.getClass())) |
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{ |
88 | 0 | throw new JbpmException("Incoming message is of type " + payload.getClass() + " but expected type is " + payloadClass); |
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} |
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} |
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93 | 0 | if (variableName != null) |
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{ |
95 | 0 | if (payload != null) |
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{ |
97 | 0 | log.debug("Storing incoming message to variable " + variableName + ", payload = " + payload); |
98 | 0 | execution.setVariable(variableName, payload); |
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} |
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else |
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{ |
102 | 0 | log.info("Synchronous message was sent to endpoint " + endpoint + ", but no response was returned."); |
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} |
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} |
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106 | 0 | super.signal(execution, signalName, parameters); |
107 | 0 | } |
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public String getEndpoint() |
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{ |
111 | 0 | return endpoint; |
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} |
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public void setEndpoint(String endpoint) |
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{ |
116 | 0 | this.endpoint = endpoint; |
117 | 0 | } |
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public String getVariableName() |
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{ |
121 | 0 | return variableName; |
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} |
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public void setVariableName(String variableName) |
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{ |
126 | 0 | this.variableName = variableName; |
127 | 0 | } |
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public void setPayloadClass(String className) |
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{ |
131 | 0 | if (className != null) |
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{ |
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try |
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{ |
135 | 0 | payloadClass = ClassUtils.loadClass(className, this.getClass()); |
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} |
137 | 0 | catch (ClassNotFoundException e) |
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{ |
139 | 0 | log.error("Expected message type not valid: " + e.getMessage()); |
140 | 0 | } |
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} |
142 | 0 | } |
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public Class getPayloadClass() |
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{ |
146 | 0 | return payloadClass; |
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} |
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} |