+/*
+ * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
+ *
+ * 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.Iterator;
import java.util.List;
+import java.util.Map;
-import org.argeo.slc.execution.ExecutionModulesListener;
+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.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")
public abstract class AbstractExecutionModulesManager implements
ExecutionModulesManager {
+ private final static Log log = LogFactory
+ .getLog(AbstractExecutionModulesManager.class);
+
private List<SlcExecutionNotifier> slcExecutionNotifiers = new ArrayList<SlcExecutionNotifier>();
- private List<ExecutionModulesListener> executionModulesListeners = new ArrayList<ExecutionModulesListener>();
private ThreadGroup processesThreadGroup = new ThreadGroup("Processes");
- public void process(SlcExecution slcExecution) {
- new ProcessThread(this, slcExecution).start();
+ 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 slcExecution,
+ String oldStatus, String newStatus) {
+ for (Iterator<SlcExecutionNotifier> it = getSlcExecutionNotifiers()
+ .iterator(); it.hasNext();) {
+ it.next().updateStatus(slcExecution, oldStatus, newStatus);
+ }
+ }
+
+ public void dispatchAddStep(ExecutionProcess slcExecution,
+ SlcExecutionStep step) {
+ List<SlcExecutionStep> steps = new ArrayList<SlcExecutionStep>();
+ steps.add(step);
+ for (Iterator<SlcExecutionNotifier> it = getSlcExecutionNotifiers()
+ .iterator(); it.hasNext();) {
+ it.next().addSteps(slcExecution, steps);
+ }
}
public void setSlcExecutionNotifiers(
return processesThreadGroup;
}
- public List<ExecutionModulesListener> getExecutionModulesListeners() {
- return executionModulesListeners;
- }
-
- public void setExecutionModulesListeners(
- List<ExecutionModulesListener> executionModulesListeners) {
- this.executionModulesListeners = executionModulesListeners;
- }
-
}