Flows automatically registered in JCR

[gpl/argeo-slc.git] / runtime / org.argeo.slc.core / src / main / java / org / argeo / slc / core / execution / AbstractExecutionModulesManager.java

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 967c001cc77b762db50061eef7ae2ab8738ab5d4..e16ad65f79edc2e81bc8dd73433bd9a7eead1736 100644 (file)
--- 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
@@ -1,21 +1,104 @@
+/*
+ * 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();
        }
 
+       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 = getSlcExecutionNotifiers()
+                               .iterator(); it.hasNext();) {
+                       it.next().updateStatus(slcExecution, oldStatus, newStatus);
+               }
+       }
+
+       public void dispatchAddStep(SlcExecution 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(
                        List<SlcExecutionNotifier> slcExecutionNotifiers) {
                this.slcExecutionNotifiers = slcExecutionNotifiers;