+/*
+ * 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.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.RealizedFlow;
import org.argeo.slc.process.SlcExecution;
import org.argeo.slc.process.SlcExecutionNotifier;
+import org.argeo.slc.process.SlcExecutionStep;
+/** Provides the base feature of an execution module manager. */
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");
+ 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 process(SlcExecution slcExecution) {
new ProcessThread(this, slcExecution).start();
}
-/*
- protected void dispatchUpdateStatus(SlcExecution slcExecution,
+
+ 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(SlcExecution slcExecution,
String oldStatus, String newStatus) {
- for (Iterator<SlcExecutionNotifier> it = slcExecutionNotifiers
+ for (Iterator<SlcExecutionNotifier> it = getSlcExecutionNotifiers()
.iterator(); it.hasNext();) {
it.next().updateStatus(slcExecution, oldStatus, newStatus);
}
}
- protected synchronized void dispatchAddStep(SlcExecution slcExecution,
- SlcExecutionStep step) {
- slcExecution.getSteps().add(step);
+ public void dispatchAddStep(SlcExecution slcExecution, SlcExecutionStep step) {
List<SlcExecutionStep> steps = new ArrayList<SlcExecutionStep>();
steps.add(step);
- for (Iterator<SlcExecutionNotifier> it = slcExecutionNotifiers
+ for (Iterator<SlcExecutionNotifier> it = getSlcExecutionNotifiers()
.iterator(); it.hasNext();) {
it.next().addSteps(slcExecution, steps);
}
- }*/
+ }
public void setSlcExecutionNotifiers(
List<SlcExecutionNotifier> slcExecutionNotifiers) {
this.slcExecutionNotifiers = slcExecutionNotifiers;
}
-/*
- protected static void addFlowsToDescriptor(ExecutionModuleDescriptor md,
- Map<String, ExecutionFlow> executionFlows) {
- // TODO: put this in a separate configurable object
- for (String name : executionFlows.keySet()) {
- ExecutionFlow executionFlow = executionFlows.get(name);
-
- Assert.notNull(executionFlow.getName());
- Assert.state(name.equals(executionFlow.getName()));
-
- ExecutionSpec executionSpec = executionFlow.getExecutionSpec();
- Assert.notNull(executionSpec);
- Assert.notNull(executionSpec.getName());
-
- Map<String, Object> values = new TreeMap<String, Object>();
- for (String key : executionSpec.getAttributes().keySet()) {
- ExecutionSpecAttribute attribute = executionSpec
- .getAttributes().get(key);
-
- if (executionFlow.isSetAsParameter(key)) {
- Object value = executionFlow.getParameter(key);
- if (attribute instanceof PrimitiveSpecAttribute) {
- PrimitiveValue primitiveValue = new PrimitiveValue();
- primitiveValue
- .setType(((PrimitiveSpecAttribute) attribute)
- .getType());
- primitiveValue.setValue(value);
- values.put(key, primitiveValue);
- } else if (attribute instanceof RefSpecAttribute) {
- RefValue refValue = new RefValue();
- if (value instanceof ScopedObject) {
- refValue.setLabel("RUNTIME "
- + value.getClass().getName());
- } else {
- refValue.setLabel("STATIC "
- + value.getClass().getName());
- }
- values.put(key, refValue);
- } else {
- throw new SlcException("Unkown spec attribute type "
- + attribute.getClass());
- }
- }
-
- }
-
- ExecutionFlowDescriptor efd = new ExecutionFlowDescriptor(name,
- values, executionSpec);
- if (executionFlow.getPath() != null)
- efd.setPath(executionFlow.getPath());
-
- // Add execution spec if necessary
- if (!md.getExecutionSpecs().contains(executionSpec))
- md.getExecutionSpecs().add(executionSpec);
-
- // Add execution flow
- md.getExecutionFlows().add(efd);
- }
- }
-*/
- /**
- * Thread of the SLC Process, starting the sub executions. private class
- * ProcessThread extends Thread { private final SlcExecution slcProcess;
- * private final ThreadGroup processThreadGroup; private final
- * List<RealizedFlow> flowsToProcess = new ArrayList<RealizedFlow>();
- *
- * public ProcessThread(ThreadGroup processesThreadGroup, SlcExecution
- * slcExecution) { super(processesThreadGroup, "SLC Process #" +
- * slcExecution.getUuid()); this.slcProcess = slcExecution;
- * processThreadGroup = new ThreadGroup("SLC Process #" +
- * slcExecution.getUuid() + " thread group"); }
- *
- * public void run() { log.info("\n##\n## Process SLC Execution " +
- * slcProcess + "\n##\n");
- *
- * slcProcess.setStatus(SlcExecution.STATUS_RUNNING);
- * dispatchUpdateStatus(slcProcess, SlcExecution.STATUS_SCHEDULED,
- * SlcExecution.STATUS_RUNNING);
- *
- * flowsToProcess.addAll(slcProcess.getRealizedFlows());
- *
- * while (flowsToProcess.size() > 0) { RealizedFlow flow =
- * flowsToProcess.remove(0); ExecutionThread thread = new
- * ExecutionThread(this, flow); thread.start();
- *
- * synchronized (this) { try { wait(); } catch (InterruptedException e) { //
- * silent } } }
- *
- * slcProcess.setStatus(SlcExecution.STATUS_FINISHED);
- * dispatchUpdateStatus(slcProcess, SlcExecution.STATUS_RUNNING,
- * SlcExecution.STATUS_FINISHED); }
- *
- * public synchronized void flowCompleted() { notifyAll(); }
- *
- * public SlcExecution getSlcProcess() { return slcProcess; }
- *
- * public ThreadGroup getProcessThreadGroup() { return processThreadGroup; }
- * }
- */
-
- /**
- * Thread of a single execution private class ExecutionThread extends Thread
- * { private final RealizedFlow realizedFlow; private final ProcessThread
- * processThread;
- *
- * public ExecutionThread(ProcessThread processThread, RealizedFlow
- * realizedFlow) { super(processThread.getProcessThreadGroup(), "Flow " +
- * realizedFlow.getFlowDescriptor().getName()); this.realizedFlow =
- * realizedFlow; this.processThread = processThread; }
- *
- * public void run() { ExecutionFlowDescriptor executionFlowDescriptor =
- * realizedFlow .getFlowDescriptor(); String flowName =
- * executionFlowDescriptor.getName();
- *
- * dispatchAddStep(processThread.getSlcProcess(), new
- * SlcExecutionStep(SlcExecutionStep.TYPE_PHASE_START, "Flow " + flowName));
- *
- * try { execute(realizedFlow); } catch (Exception e) { // TODO: re-throw
- * exception ? String msg = "Execution of flow " + flowName + " failed.";
- * log.error(msg, e); dispatchAddStep(processThread.getSlcProcess(), new
- * SlcExecutionStep(msg + " " + e.getMessage())); } finally {
- * processThread.flowCompleted();
- * dispatchAddStep(processThread.getSlcProcess(), new
- * SlcExecutionStep(SlcExecutionStep.TYPE_PHASE_END, "Flow " + flowName)); }
- * } }
- */
public List<SlcExecutionNotifier> getSlcExecutionNotifiers() {
return slcExecutionNotifiers;
projects / gpl / argeo-slc.git / blobdiff