Improve executions and system calls

[gpl/argeo-slc.git] / runtime / org.argeo.slc.support.equinox / src / main / java / org / argeo / slc / equinox / ExecutionCommandProvider.java

diff --git a/runtime/org.argeo.slc.support.equinox/src/main/java/org/argeo/slc/equinox/ExecutionCommandProvider.java b/runtime/org.argeo.slc.support.equinox/src/main/java/org/argeo/slc/equinox/ExecutionCommandProvider.java
index a63708286ce9bad66d75d4bab8b7679c5a49fecd..8b9378e17267856d7a1a83269775a4f1cc950d1c 100644 (file)
--- a/runtime/org.argeo.slc.support.equinox/src/main/java/org/argeo/slc/equinox/ExecutionCommandProvider.java
+++ b/runtime/org.argeo.slc.support.equinox/src/main/java/org/argeo/slc/equinox/ExecutionCommandProvider.java
@@ -1,46 +1,114 @@
 package org.argeo.slc.equinox;
 
-import java.util.List;
-
-import org.argeo.slc.execution.ExecutionFlowDescriptor;
-import org.argeo.slc.execution.ExecutionModule;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.argeo.slc.SlcException;
+import org.argeo.slc.osgi.OsgiExecutionModulesManager;
+import org.argeo.slc.process.RealizedFlow;
+import org.eclipse.core.runtime.adaptor.EclipseStarter;
 import org.eclipse.osgi.framework.console.CommandInterpreter;
 import org.eclipse.osgi.framework.console.CommandProvider;
 
+@SuppressWarnings("restriction")
 public class ExecutionCommandProvider implements CommandProvider {
-       private List<ExecutionModule> executionModules;
+       private final static Log log = LogFactory
+                       .getLog(ExecutionCommandProvider.class);
 
-       public Object _slc_execute(CommandInterpreter ci) {
-               String moduleName = ci.nextArgument();
-               String executionName = ci.nextArgument();
-               
-               ExecutionModule module = null;
-               for (ExecutionModule moduleT : executionModules) {
-                       if(moduleT.getName().equals(moduleName)){
-                               // TODO: check version
-                               module = moduleT;
-                               break;
+       private final static String SLC_WITH_REFRESH = "slc";
+       private final static String SLC_NO_REFRESH = "slcnr";
+
+       private OsgiExecutionModulesManager modulesManager;
+
+       private RealizedFlow lastLaunch = null;
+
+       public Object _slc(CommandInterpreter ci) {
+               return exec(SLC_WITH_REFRESH, ci);
+       }
+
+       public Object _slcnr(CommandInterpreter ci) {
+               return exec(SLC_NO_REFRESH, ci);
+       }
+
+       protected Object exec(String slcCommand, CommandInterpreter ci) {
+               // TODO: check version
+               String firstArg = ci.nextArgument();
+               if (firstArg == null) {
+                       if (lastLaunch != null) {
+                               String cmd = slcCommand + " " + lastLaunch.getModuleName()
+                                               + " " + lastLaunch.getFlowDescriptor().getName();
+                               if (log.isDebugEnabled())
+                                       log.debug("Execute again last command: " + cmd);
+                               return ci.execute(cmd);
+                       } else {
+                               ci.execute("help");
+                               throw new SlcException("Command not properly formatted");
                        }
                }
+               String executionName = ci.nextArgument();
 
-               ExecutionFlowDescriptor descriptor = new ExecutionFlowDescriptor();
-               descriptor.setName(executionName);
-               if(module!=null)
-                       module.execute(descriptor);
-               
-               return null;
+               launch(slcCommand, firstArg, executionName);
+               return "COMMAND COMPLETED";
+       }
+
+       protected void launch(String slcCommand, String firstArg,
+                       String executionName) {
+               lastLaunch = modulesManager.findRealizedFlow(firstArg, executionName);
+               if (lastLaunch == null)
+                       throw new SlcException("Cannot find launch for " + firstArg + " "
+                                       + executionName);
+
+               // Execute
+               if (SLC_WITH_REFRESH.equals(slcCommand)) {
+                       modulesManager.upgrade(lastLaunch.getModuleNameVersion());
+                       modulesManager.execute(lastLaunch);
+               } else if (SLC_NO_REFRESH.equals(slcCommand))
+                       modulesManager.execute(lastLaunch);
+               else
+                       throw new SlcException("Unrecognized SLC command " + slcCommand);
        }
 
        public String getHelp() {
                StringBuffer buf = new StringBuffer();
                buf.append("---SLC Execution Commands---\n");
-               buf.append("\tslc_execute - Execute an execution flow\n");
+               buf
+                               .append("\tslc (<id>|<segment of bsn>) <execution bean>"
+                                               + "  - refresh the bundle, execute an execution flow (without arg, execute last)\n");
+               buf
+                               .append("\tslcnr (<id>|<segment of bsn>) <execution bean>"
+                                               + "  - execute an execution flow (without arg, execute last)\n");
                return buf.toString();
 
        }
 
-       public void setExecutionModules(List<ExecutionModule> executionModules) {
-               this.executionModules = executionModules;
+       public void setModulesManager(OsgiExecutionModulesManager osgiModulesManager) {
+               this.modulesManager = osgiModulesManager;
        }
 
+       public void init() throws Exception {
+               final String module = System.getProperty("slc.launch.module");
+               final String executionName = System.getProperty("slc.launch.execution");
+               if (module != null) {
+                       new Thread() {
+
+                               @Override
+                               public void run() {
+                                       try {
+                                               launch(SLC_NO_REFRESH, module, executionName);
+                                               // in case of failure OSGi runtime stays up and last
+                                               // launch can be used to debug by calling 'slc'
+                                       } catch (Exception e) {
+                                               throw new SlcException("Error when executing "
+                                                               + executionName + " on " + module, e);
+                                       }
+                                       try {
+                                               EclipseStarter.shutdown();
+                                       } catch (Exception e) {
+                                               throw new SlcException("Cannot shutdown equinox.", e);
+                                       }
+                               }
+
+                       }.start();
+               }
+
+       }
 }