import javax.jcr.Node;
import javax.jcr.NodeIterator;
import javax.jcr.Property;
-import javax.jcr.RepositoryException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.argeo.slc.SlcException;
+import org.argeo.slc.execution.ExecutionProcess;
import org.argeo.slc.jcr.SlcJcrConstants;
import org.argeo.slc.jcr.SlcJcrUtils;
import org.argeo.slc.jcr.SlcNames;
import org.argeo.slc.jcr.execution.JcrExecutionProcess;
-import org.argeo.slc.process.SlcExecution;
import org.argeo.slc.runtime.SlcAgent;
import org.argeo.slc.runtime.SlcAgentFactory;
-import org.argeo.slc.services.SlcExecutionService;
+/**
+ * We use a separate class (not in UI components) so that it can be a singleton
+ * in an application context.
+ */
public class ProcessController {
private final static Log log = LogFactory.getLog(ProcessController.class);
- private SlcExecutionService slcExecutionService;
private Map<String, SlcAgentFactory> agentFactories = new HashMap<String, SlcAgentFactory>();
- public void execute(SlcAgent agent, SlcExecution slcExecution) {
- slcExecutionService.newExecution(slcExecution);
- agent.process(slcExecution);
- if (log.isDebugEnabled())
- log.debug("SlcExcution " + slcExecution.getUuid()
- + " launched on Agent " + agent.toString());
- }
-
public void process(Node processNode) {
+ JcrExecutionProcess process = new JcrExecutionProcess(processNode);
try {
// we currently only deal with single agents
- Node flowNode = processNode.getNode(SlcNames.SLC_FLOW);
- NodeIterator nit = flowNode.getNodes();
+ Node realizedFlowNode = processNode.getNode(SlcNames.SLC_FLOW);
+ NodeIterator nit = realizedFlowNode.getNodes();
if (nit.hasNext()) {
- Node firstFlow = nit.nextNode();
+ // TODO find a better way to determine which agent to use
+ // currently we check the agent of the first registered flow
+ Node firstRealizedFlow = nit.nextNode();
// we assume there is an nt:address
- String firstFlowPath = firstFlow.getNode(SlcNames.SLC_ADDRESS)
+ String firstFlowPath = firstRealizedFlow
+ .getNode(SlcNames.SLC_ADDRESS)
.getProperty(Property.JCR_PATH).getString();
+ Node flowNode = processNode.getSession().getNode(firstFlowPath);
String agentFactoryPath = SlcJcrUtils
.flowAgentFactoryPath(firstFlowPath);
if (!agentFactories.containsKey(agentFactoryPath))
+ agentFactoryPath);
SlcAgentFactory agentFactory = agentFactories
.get(agentFactoryPath);
- String agentUuid = ((Node) processNode
- .getAncestor(SlcJcrUtils.AGENT_FACTORY_DEPTH + 1))
- .getName();
+ Node agentNode = ((Node) flowNode
+ .getAncestor(SlcJcrUtils.AGENT_FACTORY_DEPTH + 1));
+ String agentUuid = agentNode.getProperty(SlcNames.SLC_UUID)
+ .getString();
// process
SlcAgent slcAgent = agentFactory.getAgent(agentUuid);
- slcAgent.process(new JcrExecutionProcess(processNode));
+ slcAgent.process(process);
}
- } catch (RepositoryException e) {
+ } catch (Exception e) {
+ if (!process.getStatus().equals(ExecutionProcess.ERROR))
+ process.setStatus(ExecutionProcess.ERROR);
throw new SlcException("Cannot execute " + processNode, e);
}
}
- public void setSlcExecutionService(SlcExecutionService slcExecutionService) {
- this.slcExecutionService = slcExecutionService;
- }
-
public synchronized void register(SlcAgentFactory agentFactory,
Map<String, String> properties) {
String path = properties.get(SlcJcrConstants.PROPERTY_PATH);