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From lah...@apache.org
Subject svn commit: r1478568 - /airavata/trunk/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/interpretor/WorkflowInterpreter.java
Date Thu, 02 May 2013 21:31:44 GMT
Author: lahiru
Date: Thu May  2 21:31:30 2013
New Revision: 1478568

URL: http://svn.apache.org/r1478568
Log:
fixing thread synchronizing issue with concurrent node execution of workflow.

Modified:
    airavata/trunk/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/interpretor/WorkflowInterpreter.java

Modified: airavata/trunk/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/interpretor/WorkflowInterpreter.java
URL: http://svn.apache.org/viewvc/airavata/trunk/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/interpretor/WorkflowInterpreter.java?rev=1478568&r1=1478567&r2=1478568&view=diff
==============================================================================
--- airavata/trunk/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/interpretor/WorkflowInterpreter.java
(original)
+++ airavata/trunk/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/interpretor/WorkflowInterpreter.java
Thu May  2 21:31:30 2013
@@ -163,6 +163,7 @@ public class WorkflowInterpreter {
 			this.config.getNotifier().workflowStarted(values, keywords);
 			this.config.getConfiguration().setContextHeader(WorkflowContextHeaderBuilder.getCurrentContextHeader());
 
+            int lastReadNodeSize = -1;
 			while (this.getWorkflow().getExecutionState() != WorkflowExecutionState.STOPPED) {
 				if (getRemainNodesDynamically() == 0) {
 					notifyViaInteractor(WorkflowExecutionMessage.EXECUTION_STATE_CHANGED, WorkflowExecutionState.PAUSED);
@@ -177,6 +178,14 @@ public class WorkflowInterpreter {
 				}
 				// get task list and execute them
 				ArrayList<Node> readyNodes = this.getReadyNodesDynamically();
+                while(lastReadNodeSize != 0 && lastReadNodeSize == readyNodes.size()){
+                    try {
+						Thread.sleep(400);
+					} catch (InterruptedException e) {
+						e.printStackTrace();
+					}
+                }
+                lastReadNodeSize = readyNodes.size();
 				for (final Node node : readyNodes) {
 					if (node.isBreak()) {
 						this.notifyPause();



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