X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=runtime%2Forg.argeo.slc.core%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Fslc%2Fcore%2Fexecution%2FAbstractExecutionModulesManager.java;h=08da8cbe0866d4375bf32c8d75c9af7336c625f9;hb=a75c0516aca20f9a8c8fdd32feee402257ff2b61;hp=967c001cc77b762db50061eef7ae2ab8738ab5d4;hpb=8edbca70380f4c884f523073819fd915754185d2;p=gpl%2Fargeo-slc.git

diff --git a/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/AbstractExecutionModulesManager.java b/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/AbstractExecutionModulesManager.java
index 967c001cc..08da8cbe0 100644
--- a/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/AbstractExecutionModulesManager.java
+++ b/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/AbstractExecutionModulesManager.java
@@ -1,19 +1,131 @@
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 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.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.argeo.slc.execution.ExecutionContext;
+import org.argeo.slc.execution.ExecutionFlow;
+import org.argeo.slc.execution.ExecutionFlowDescriptorConverter;
 import org.argeo.slc.execution.ExecutionModulesManager;
-import org.argeo.slc.process.SlcExecution;
+import org.argeo.slc.execution.ExecutionProcess;
+import org.argeo.slc.execution.ExecutionProcessNotifier;
+import org.argeo.slc.execution.ExecutionStep;
+import org.argeo.slc.execution.RealizedFlow;
 import org.argeo.slc.process.SlcExecutionNotifier;
 
+/** Provides the base feature of an execution module manager. */
+@SuppressWarnings("deprecation")
 public abstract class AbstractExecutionModulesManager implements
 		ExecutionModulesManager {
+	private final static Log log = LogFactory
+			.getLog(AbstractExecutionModulesManager.class);
+
 	private List<SlcExecutionNotifier> slcExecutionNotifiers = new ArrayList<SlcExecutionNotifier>();
-	private ThreadGroup processesThreadGroup = new ThreadGroup("Processes");
 
-	public void process(SlcExecution slcExecution) {
-		new ProcessThread(this, slcExecution).start();
+	private List<FilteredNotifier> filteredNotifiers = Collections
+			.synchronizedList(new ArrayList<FilteredNotifier>());
+
+	protected abstract ExecutionFlow findExecutionFlow(String moduleName,
+			String moduleVersion, String flowName);
+
+	protected abstract ExecutionContext findExecutionContext(String moduleName,
+			String moduleVersion);
+
+	protected abstract ExecutionFlowDescriptorConverter getExecutionFlowDescriptorConverter(
+			String moduleName, String moduleVersion);
+
+	public void execute(RealizedFlow realizedFlow) {
+		if (log.isTraceEnabled())
+			log.trace("Executing " + realizedFlow);
+
+		String moduleName = realizedFlow.getModuleName();
+		String moduleVersion = realizedFlow.getModuleVersion();
+
+		Map<? extends String, ? extends Object> variablesToAdd = getExecutionFlowDescriptorConverter(
+				moduleName, moduleVersion).convertValues(
+				realizedFlow.getFlowDescriptor());
+		ExecutionContext executionContext = findExecutionContext(moduleName,
+				moduleVersion);
+		for (String key : variablesToAdd.keySet())
+			executionContext.setVariable(key, variablesToAdd.get(key));
+
+		ExecutionFlow flow = findExecutionFlow(moduleName, moduleVersion,
+				realizedFlow.getFlowDescriptor().getName());
+
+		//
+		// Actually runs the flow, IN THIS THREAD
+		//
+		flow.run();
+		//
+		//
+		//
+	}
+
+	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(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 dispatchAddSteps(ExecutionProcess process,
+			List<ExecutionStep> steps) {
+		process.addSteps(steps);
+
+		for (Iterator<SlcExecutionNotifier> it = getSlcExecutionNotifiers()
+				.iterator(); it.hasNext();) {
+			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(
@@ -21,12 +133,58 @@ public abstract class AbstractExecutionModulesManager implements
 		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;
+		}
+
+	}
 }