package org.argeo.slc.core.execution;
import java.util.ArrayList;
+import java.util.Iterator;
import java.util.List;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.argeo.slc.SlcException;
+import org.argeo.slc.execution.ExecutionFlowDescriptor;
import org.argeo.slc.execution.ExecutionModule;
import org.argeo.slc.execution.ExecutionModuleDescriptor;
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.springframework.util.Assert;
public class DefaultModulesManager implements ExecutionModulesManager {
+ private final static Log log = LogFactory
+ .getLog(DefaultModulesManager.class);
+
private List<ExecutionModule> executionModules = new ArrayList<ExecutionModule>();
+ private List<SlcExecutionNotifier> slcExecutionNotifiers = new ArrayList<SlcExecutionNotifier>();
- public ExecutionModuleDescriptor getExecutionModuleDescriptor(
- String moduleName, String version) {
- ExecutionModule module = null;
+ protected ExecutionModule getExecutionModule(String moduleName,
+ String version) {
for (ExecutionModule moduleT : executionModules) {
if (moduleT.getName().equals(moduleName)) {
- // TODO: check version
- module = moduleT;
- break;
+ if (moduleT.getVersion().equals(version)) {
+ return moduleT;
+ }
}
}
+ return null;
+ }
+
+ public ExecutionModuleDescriptor getExecutionModuleDescriptor(
+ String moduleName, String version) {
+ ExecutionModule module = getExecutionModule(moduleName, version);
- Assert.notNull(module);
+ if(module==null)
+ throw new SlcException("Module "+moduleName+" ("+version+") not found");
return module.getDescriptor();
}
-
-
public List<ExecutionModule> listExecutionModules() {
return executionModules;
}
-
-
public void setExecutionModules(List<ExecutionModule> executionModules) {
this.executionModules = executionModules;
}
+ public void process(SlcExecution slcExecution) {
+ new ProcessThread(slcExecution).start();
+ }
+
+ protected void dispatchUpdateStatus(SlcExecution slcExecution,
+ String oldStatus, String newStatus) {
+ for (Iterator<SlcExecutionNotifier> it = slcExecutionNotifiers
+ .iterator(); it.hasNext();) {
+ it.next().updateStatus(slcExecution, oldStatus, newStatus);
+ }
+ }
+
+ public void setSlcExecutionNotifiers(
+ List<SlcExecutionNotifier> slcExecutionNotifiers) {
+ this.slcExecutionNotifiers = slcExecutionNotifiers;
+ }
+
+ private class ProcessThread extends Thread {
+ private final SlcExecution slcExecution;
+ private final List<RealizedFlow> flowsToProcess = new ArrayList<RealizedFlow>();
+
+ public ProcessThread(SlcExecution slcExecution) {
+ this.slcExecution = slcExecution;
+ }
+
+ public void run() {
+ log.info("\n##\n## Process SLC Execution " + slcExecution
+ + "\n##\n");
+
+ // FIXME: hack to let the SlcExecution be registered on server
+ try {
+ Thread.sleep(500);
+ } catch (InterruptedException e1) {
+ // silent
+ }
+
+ slcExecution.setStatus(SlcExecution.STATUS_RUNNING);
+ dispatchUpdateStatus(slcExecution, SlcExecution.STATUS_SCHEDULED,
+ SlcExecution.STATUS_RUNNING);
+
+ flowsToProcess.addAll(slcExecution.getRealizedFlows());
+
+ while (flowsToProcess.size() > 0) {
+ RealizedFlow flow = flowsToProcess.remove(0);
+ ExecutionModule module = getExecutionModule(flow
+ .getModuleName(), flow.getModuleVersion());
+ if (module != null) {
+ ExecutionThread thread = new ExecutionThread(this, flow
+ .getFlowDescriptor(), module);
+ thread.start();
+ } else {
+ throw new SlcException("ExecutionModule "
+ + flow.getModuleName() + ", version "
+ + flow.getModuleVersion() + " not found.");
+ }
+
+ synchronized (this) {
+ try {
+ wait();
+ } catch (InterruptedException e) {
+ // silent
+ }
+ }
+ }
+
+ slcExecution.setStatus(SlcExecution.STATUS_RUNNING);
+ dispatchUpdateStatus(slcExecution, SlcExecution.STATUS_RUNNING,
+ SlcExecution.STATUS_FINISHED);
+ /*
+ * for (RealizedFlow flow : slcExecution.getRealizedFlows()) {
+ * ExecutionModule module = getExecutionModule(flow.getModuleName(),
+ * flow.getModuleVersion()); if (module != null) { ExecutionThread
+ * thread = new ExecutionThread(flow .getFlowDescriptor(), module);
+ * thread.start(); } else { throw new
+ * SlcException("ExecutionModule " + flow.getModuleName() +
+ * ", version " + flow.getModuleVersion() + " not found."); } }
+ */
+ }
+
+ public synchronized void flowCompleted() {
+ notifyAll();
+ }
+ }
+
+ private class ExecutionThread extends Thread {
+ private final ExecutionFlowDescriptor executionFlowDescriptor;
+ private final ExecutionModule executionModule;
+ private final ProcessThread processThread;
+
+ public ExecutionThread(ProcessThread processThread,
+ ExecutionFlowDescriptor executionFlowDescriptor,
+ ExecutionModule executionModule) {
+ super("SLC Execution #" /* + executionContext.getUuid() */);
+ this.executionFlowDescriptor = executionFlowDescriptor;
+ this.executionModule = executionModule;
+ this.processThread = processThread;
+ }
+
+ public void run() {
+ try {
+ executionModule.execute(executionFlowDescriptor);
+ } catch (Exception e) {
+ // TODO: re-throw exception ?
+ log.error("Execution "/* + executionContext.getUuid() */
+ + " failed.", e);
+ } finally {
+ processThread.flowCompleted();
+ }
+ }
+ }
}
projects / gpl / argeo-slc.git / blobdiff