package org.argeo.slc.core.execution;
import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.argeo.slc.execution.ExecutionFlowDescriptorConverter;
import org.argeo.slc.execution.ExecutionModulesManager;
import org.argeo.slc.execution.ExecutionProcess;
+import org.argeo.slc.execution.ExecutionProcessNotifier;
+import org.argeo.slc.execution.ExecutionStep;
import org.argeo.slc.process.RealizedFlow;
import org.argeo.slc.process.SlcExecutionNotifier;
-import org.argeo.slc.process.SlcExecutionStep;
/** Provides the base feature of an execution module manager. */
@SuppressWarnings("deprecation")
private List<SlcExecutionNotifier> slcExecutionNotifiers = new ArrayList<SlcExecutionNotifier>();
- private ThreadGroup processesThreadGroup = new ThreadGroup("Processes");
+ private List<FilteredNotifier> filteredNotifiers = Collections
+ .synchronizedList(new ArrayList<FilteredNotifier>());
protected abstract ExecutionFlow findExecutionFlow(String moduleName,
String moduleVersion, String flowName);
//
}
- public void dispatchUpdateStatus(ExecutionProcess slcExecution,
+ public void dispatchUpdateStatus(ExecutionProcess process,
String oldStatus, String newStatus) {
+ // generic notifiers (notified of everything)
for (Iterator<SlcExecutionNotifier> it = getSlcExecutionNotifiers()
.iterator(); it.hasNext();) {
- it.next().updateStatus(slcExecution, oldStatus, newStatus);
+ it.next().updateStatus(process, oldStatus, newStatus);
}
+
+ // filtered notifiers
+ for (Iterator<FilteredNotifier> it = filteredNotifiers.iterator(); it
+ .hasNext();) {
+ FilteredNotifier filteredNotifier = it.next();
+ if (filteredNotifier.receiveFrom(process))
+ filteredNotifier.getNotifier().updateStatus(process, oldStatus,
+ newStatus);
+ }
+
}
- public void dispatchAddStep(ExecutionProcess slcExecution,
- SlcExecutionStep step) {
- List<SlcExecutionStep> steps = new ArrayList<SlcExecutionStep>();
- steps.add(step);
+ public void dispatchAddSteps(ExecutionProcess process,
+ List<ExecutionStep> steps) {
+ process.addSteps(steps);
+
for (Iterator<SlcExecutionNotifier> it = getSlcExecutionNotifiers()
.iterator(); it.hasNext();) {
- it.next().addSteps(slcExecution, steps);
+ it.next().addSteps(process, steps);
+ }
+
+ for (Iterator<FilteredNotifier> it = filteredNotifiers.iterator(); it
+ .hasNext();) {
+ FilteredNotifier filteredNotifier = it.next();
+ if (filteredNotifier.receiveFrom(process))
+ filteredNotifier.getNotifier().addSteps(process, steps);
}
}
+ public void registerProcessNotifier(ExecutionProcessNotifier notifier,
+ Map<String, String> properties) {
+ filteredNotifiers.add(new FilteredNotifier(notifier, properties));
+ }
+
+ public void unregisterProcessNotifier(ExecutionProcessNotifier notifier,
+ Map<String, String> properties) {
+ filteredNotifiers.remove(notifier);
+ }
+
public void setSlcExecutionNotifiers(
List<SlcExecutionNotifier> slcExecutionNotifiers) {
this.slcExecutionNotifiers = slcExecutionNotifiers;
}
- public List<SlcExecutionNotifier> getSlcExecutionNotifiers() {
+ private List<SlcExecutionNotifier> getSlcExecutionNotifiers() {
return slcExecutionNotifiers;
}
- public ThreadGroup getProcessesThreadGroup() {
- return processesThreadGroup;
- }
+ protected class FilteredNotifier {
+ private final ExecutionProcessNotifier notifier;
+ private final String processId;
+
+ public FilteredNotifier(ExecutionProcessNotifier notifier,
+ Map<String, String> properties) {
+ super();
+ this.notifier = notifier;
+ if (properties == null)
+ properties = new HashMap<String, String>();
+ if (properties.containsKey(SLC_PROCESS_ID))
+ processId = properties.get(SLC_PROCESS_ID);
+ else
+ processId = null;
+ }
+
+ /**
+ * Whether event from this process should be received by this listener.
+ */
+ public Boolean receiveFrom(ExecutionProcess process) {
+ if (processId != null)
+ if (process.getUuid().equals(processId))
+ return true;
+ else
+ return false;
+ return true;
+ }
+
+ @Override
+ public int hashCode() {
+ return notifier.hashCode();
+ }
+ @Override
+ public boolean equals(Object obj) {
+ if (obj instanceof FilteredNotifier) {
+ FilteredNotifier fn = (FilteredNotifier) obj;
+ return notifier.equals(fn.notifier);
+ } else if (obj instanceof ExecutionProcessNotifier) {
+ ExecutionProcessNotifier epn = (ExecutionProcessNotifier) obj;
+ return notifier.equals(epn);
+ } else
+ return false;
+ }
+
+ public ExecutionProcessNotifier getNotifier() {
+ return notifier;
+ }
+
+ }
}