package org.argeo.slc.core.runtime;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
import java.util.List;
+import java.util.UUID;
+import org.argeo.slc.SlcException;
+import org.argeo.slc.core.execution.ProcessThread;
import org.argeo.slc.execution.ExecutionModuleDescriptor;
import org.argeo.slc.execution.ExecutionModulesManager;
+import org.argeo.slc.execution.ExecutionProcess;
import org.argeo.slc.process.SlcExecution;
import org.argeo.slc.runtime.SlcAgent;
+import org.argeo.slc.runtime.SlcAgentDescriptor;
+/** Implements the base methods of an SLC agent. */
public class DefaultAgent implements SlcAgent {
- // private final static Log log = LogFactory.getLog(AbstractAgent.class);
-
+ private SlcAgentDescriptor agentDescriptor;
private ExecutionModulesManager modulesManager;
- public void runSlcExecution(final SlcExecution slcExecution) {
- modulesManager.process(slcExecution);
+ /*
+ * LIFECYCLE
+ */
+ public void init() {
+ try {
+ agentDescriptor = new SlcAgentDescriptor();
+ agentDescriptor.setUuid(initAgentUuid());
+ agentDescriptor.setHost(InetAddress.getLocalHost().getHostName());
+ } catch (UnknownHostException e) {
+ throw new SlcException("Unable to create agent descriptor.", e);
+ }
+ }
+
+ public void dispose() {
+
+ }
+
+ /**
+ * Called during initialization in order to determines the agent UUID. To be
+ * overridden. By default creates a new one per instance.
+ */
+ protected String initAgentUuid() {
+ return UUID.randomUUID().toString();
+ }
+
+ /*
+ * SLC AGENT
+ */
+ public void runSlcExecution(SlcExecution slcExecution) {
+ process(slcExecution);
+ }
+
+ public void process(ExecutionProcess process) {
+ ProcessThread processThread = createProcessThread(modulesManager,
+ process);
+ processThread.start();
+ }
+
+ /** Creates the thread which will coordinate the execution for this agent. */
+ protected ProcessThread createProcessThread(
+ ExecutionModulesManager modulesManager, ExecutionProcess process) {
+ if (!(process instanceof SlcExecution))
+ throw new SlcException("Unsupported process type "
+ + process.getClass());
+ ProcessThread processThread = new ProcessThread(modulesManager,
+ (SlcExecution) process);
+ return processThread;
}
public ExecutionModuleDescriptor getExecutionModuleDescriptor(
String moduleName, String version) {
- return modulesManager.getExecutionModuleDescriptor(moduleName,
- version);
+ return modulesManager.getExecutionModuleDescriptor(moduleName, version);
}
public List<ExecutionModuleDescriptor> listExecutionModuleDescriptors() {
return true;
}
+ /*
+ * BEAN
+ */
public void setModulesManager(ExecutionModulesManager modulesManager) {
this.modulesManager = modulesManager;
}
- public ExecutionModulesManager getModulesManager() {
- return modulesManager;
+ protected SlcAgentDescriptor getAgentDescriptor() {
+ return agentDescriptor;
}
+ public String getAgentUuid() {
+ return agentDescriptor.getUuid();
+ }
+
+ @Override
+ public String toString() {
+ return agentDescriptor.toString();
+ }
}