Clarify overall project structure.

[gpl/argeo-slc.git] / cms / org.argeo.slc.runtime / src / org / argeo / slc / runtime / ExecutionThread.java

diff --git a/cms/org.argeo.slc.runtime/src/org/argeo/slc/runtime/ExecutionThread.java b/cms/org.argeo.slc.runtime/src/org/argeo/slc/runtime/ExecutionThread.java
deleted file mode 100644 (file)
index d940905..0000000
--- a/cms/org.argeo.slc.runtime/src/org/argeo/slc/runtime/ExecutionThread.java
+++ /dev/null
@@ -1,116 +0,0 @@
-package org.argeo.slc.runtime;
-
-import java.security.AccessControlContext;
-import java.security.AccessController;
-import java.security.PrivilegedActionException;
-import java.security.PrivilegedExceptionAction;
-import java.util.ArrayList;
-import java.util.List;
-
-import javax.security.auth.Subject;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.argeo.slc.execution.ExecutionFlowDescriptor;
-import org.argeo.slc.execution.ExecutionModulesManager;
-import org.argeo.slc.execution.ExecutionStep;
-import org.argeo.slc.execution.FlowConfigurationException;
-import org.argeo.slc.execution.RealizedFlow;
-
-/** Thread of a single execution */
-public class ExecutionThread extends Thread {
-       public final static String SYSPROP_EXECUTION_AUTO_UPGRADE = "slc.execution.autoupgrade";
-       private final static Log log = LogFactory.getLog(ExecutionThread.class);
-
-       private ExecutionModulesManager executionModulesManager;
-       private final RealizedFlow realizedFlow;
-       private final AccessControlContext accessControlContext;
-
-       private List<Runnable> destructionCallbacks = new ArrayList<Runnable>();
-
-       public ExecutionThread(ProcessThreadGroup processThreadGroup, ExecutionModulesManager executionModulesManager,
-                       RealizedFlow realizedFlow) {
-               super(processThreadGroup, "Flow " + realizedFlow.getFlowDescriptor().getName());
-               this.realizedFlow = realizedFlow;
-               this.executionModulesManager = executionModulesManager;
-               accessControlContext = AccessController.getContext();
-       }
-
-       public void run() {
-               // authenticate thread
-               // Authentication authentication = getProcessThreadGroup()
-               // .getAuthentication();
-               // if (authentication == null)
-               // throw new SlcException("Can only execute authenticated threads");
-               // SecurityContextHolder.getContext().setAuthentication(authentication);
-
-               // Retrieve execution flow descriptor
-               ExecutionFlowDescriptor executionFlowDescriptor = realizedFlow.getFlowDescriptor();
-               String flowName = executionFlowDescriptor.getName();
-
-               getProcessThreadGroup().dispatchAddStep(
-                               new ExecutionStep(realizedFlow.getModuleName(), ExecutionStep.PHASE_START, "Flow " + flowName));
-
-               try {
-                       Subject subject = Subject.getSubject(accessControlContext);
-                       try {
-                               Subject.doAs(subject, new PrivilegedExceptionAction<Void>() {
-
-                                       @Override
-                                       public Void run() throws Exception {
-                                               String autoUpgrade = System.getProperty(SYSPROP_EXECUTION_AUTO_UPGRADE);
-                                               if (autoUpgrade != null && autoUpgrade.equals("true"))
-                                                       executionModulesManager.upgrade(realizedFlow.getModuleNameVersion());
-                                               executionModulesManager.start(realizedFlow.getModuleNameVersion());
-                                               //
-                                               // START FLOW
-                                               //
-                                               executionModulesManager.execute(realizedFlow);
-                                               // END FLOW
-                                               return null;
-                                       }
-
-                               });
-                       } catch (PrivilegedActionException privilegedActionException) {
-                               throw (Exception) privilegedActionException.getCause();
-                       }
-               } catch (FlowConfigurationException e) {
-                       String msg = "Configuration problem with flow " + flowName + ":\n" + e.getMessage();
-                       log.error(msg);
-                       getProcessThreadGroup().dispatchAddStep(
-                                       new ExecutionStep(realizedFlow.getModuleName(), ExecutionStep.ERROR, msg + " " + e.getMessage()));
-               } catch (Exception e) {
-                       // TODO: re-throw exception ?
-                       String msg = "Execution of flow " + flowName + " failed.";
-                       log.error(msg, e);
-                       getProcessThreadGroup().dispatchAddStep(
-                                       new ExecutionStep(realizedFlow.getModuleName(), ExecutionStep.ERROR, msg + " " + e.getMessage()));
-               } finally {
-                       getProcessThreadGroup().dispatchAddStep(
-                                       new ExecutionStep(realizedFlow.getModuleName(), ExecutionStep.PHASE_END, "Flow " + flowName));
-                       processDestructionCallbacks();
-               }
-       }
-
-       private synchronized void processDestructionCallbacks() {
-               for (int i = destructionCallbacks.size() - 1; i >= 0; i--) {
-                       try {
-                               destructionCallbacks.get(i).run();
-                       } catch (Exception e) {
-                               log.warn("Could not process destruction callback " + i + " in thread " + getName(), e);
-                       }
-               }
-       }
-
-       /**
-        * Gather object destruction callback to be called in reverse order at the
-        * end of the thread
-        */
-       public synchronized void registerDestructionCallback(String name, Runnable callback) {
-               destructionCallbacks.add(callback);
-       }
-
-       protected ProcessThreadGroup getProcessThreadGroup() {
-               return (ProcessThreadGroup) getThreadGroup();
-       }
-}
\ No newline at end of file