public ServiceResponse<KieScannerResource> getScannerInfo(String id) {
try {
KieContainerInstance kci = (KieContainerInstance) context.getContainer(id);
if (kci != null && kci.getKieContainer() != null) {
InternalKieScanner scanner = kci.getScanner();
KieScannerResource info = null;
if (scanner != null) {
info = new KieScannerResource(mapStatus(scanner.getStatus()));
} else {
info = new KieScannerResource(KieScannerStatus.DISPOSED);
}
return new ServiceResponse<KieScannerResource>(
ServiceResponse.ResponseType.SUCCESS, "Scanner info successfully retrieved", info);
} else {
return new ServiceResponse<KieScannerResource>(
ServiceResponse.ResponseType.FAILURE, "Unknown container " + id + ".");
}
} catch (Exception e) {
logger.error("Error retrieving scanner info for container '" + id + "'.", e);
return new ServiceResponse<KieScannerResource>(
ServiceResponse.ResponseType.FAILURE,
"Error retrieving scanner info for container '"
+ id
+ "': "
+ e.getClass().getName()
+ ": "
+ e.getMessage());
}
}
public ServiceResponse<KieScannerResource> updateScanner(String id, KieScannerResource resource) {
if (resource == null || resource.getStatus() == null) {
logger.error("Error updating scanner for container " + id + ". Status is null: " + resource);
return new ServiceResponse<KieScannerResource>(
ServiceResponse.ResponseType.FAILURE,
"Error updating scanner for container " + id + ". Status is null: " + resource);
}
KieScannerStatus status = resource.getStatus();
try {
KieContainerInstance kci = (KieContainerInstance) context.getContainer(id);
if (kci != null && kci.getKieContainer() != null) {
switch (status) {
case CREATED:
// create the scanner
return createScanner(id, kci);
case STARTED:
// start the scanner
return startScanner(id, resource, kci);
case STOPPED:
// stop the scanner
return stopScanner(id, resource, kci);
case SCANNING:
// scan now
return scanNow(id, resource, kci);
case DISPOSED:
// dispose
return disposeScanner(id, resource, kci);
default:
// error
return new ServiceResponse<KieScannerResource>(
ServiceResponse.ResponseType.FAILURE,
"Unknown status '" + status + "' for scanner on container " + id + ".");
}
} else {
return new ServiceResponse<KieScannerResource>(
ServiceResponse.ResponseType.FAILURE, "Unknown container " + id + ".");
}
} catch (Exception e) {
logger.error("Error updating scanner for container '" + id + "': " + resource, e);
return new ServiceResponse<KieScannerResource>(
ServiceResponse.ResponseType.FAILURE,
"Error updating scanner for container '"
+ id
+ "': "
+ resource
+ ": "
+ e.getClass().getName()
+ ": "
+ e.getMessage());
}
}
public ServiceResponse<ReleaseId> updateContainerReleaseId(String id, ReleaseId releaseId) {
if (releaseId == null) {
logger.error("Error updating releaseId for container '" + id + "'. ReleaseId is null.");
return new ServiceResponse<ReleaseId>(
ServiceResponse.ResponseType.FAILURE,
"Error updating releaseId for container " + id + ". ReleaseId is null. ");
}
try {
KieContainerInstance kci = (KieContainerInstance) context.getContainer(id);
// the following code is subject to a concurrent call to dispose(), but the cost of
// synchronizing it
// would likely not be worth it. At this point a decision was made to fail the execution if a
// concurrent
// call do dispose() is executed.
if (kci != null && kci.getKieContainer() != null) {
Results results = kci.getKieContainer().updateToVersion(releaseId);
if (results.hasMessages(Level.ERROR)) {
logger.error(
"Error updating releaseId for container "
+ id
+ " to version "
+ releaseId
+ "\nMessages: "
+ results.getMessages());
return new ServiceResponse<ReleaseId>(
ServiceResponse.ResponseType.FAILURE,
"Error updating release id on container " + id + " to " + releaseId,
kci.getResource().getReleaseId());
} else {
return new ServiceResponse<ReleaseId>(
ServiceResponse.ResponseType.SUCCESS,
"Release id successfuly updated.",
kci.getResource().getReleaseId());
}
} else {
return new ServiceResponse<ReleaseId>(
ServiceResponse.ResponseType.FAILURE, "Container " + id + " is not instantiated.");
}
} catch (Exception e) {
logger.error("Error updating releaseId for container '" + id + "'", e);
return new ServiceResponse<ReleaseId>(
ServiceResponse.ResponseType.FAILURE,
"Error updating releaseId for container "
+ id
+ ": "
+ e.getClass().getName()
+ ": "
+ e.getMessage());
}
}
public ServiceResponse<KieContainerResource> getContainerInfo(String id) {
try {
KieContainerInstance ci = context.getContainer(id);
if (ci != null) {
return new ServiceResponse<KieContainerResource>(
ServiceResponse.ResponseType.SUCCESS, "Info for container " + id, ci.getResource());
}
return new ServiceResponse<KieContainerResource>(
ServiceResponse.ResponseType.FAILURE, "Container " + id + " is not instantiated.");
} catch (Exception e) {
logger.error("Error retrieving info for container '" + id + "'", e);
return new ServiceResponse<KieContainerResource>(
ServiceResponse.ResponseType.FAILURE,
"Error retrieving container info: " + e.getClass().getName() + ": " + e.getMessage());
}
}
public ServiceResponse<String> callContainer(String containerId, String payload) {
if (payload == null) {
return new ServiceResponse<String>(
ServiceResponse.ResponseType.FAILURE,
"Error calling container " + containerId + ". Empty payload. ");
}
try {
KieContainerInstance kci = (KieContainerInstance) context.getContainer(containerId);
// the following code is subject to a concurrent call to dispose(), but the cost of
// synchronizing it
// would likely not be worth it. At this point a decision was made to fail the execution if a
// concurrent
// call do dispose() is executed.
if (kci != null && kci.getKieContainer() != null) {
String sessionId = null;
// this is a weak way of finding the lookup, but it is the same used in kie-camel. Will keep
// it for now.
Matcher m = LOOKUP.matcher(payload);
if (m.find()) {
sessionId = m.group(1);
}
KieSession ks = null;
if (sessionId != null) {
ks = kci.getKieContainer().getKieSession(sessionId);
} else {
ks = kci.getKieContainer().getKieSession();
}
if (ks != null) {
ClassLoader moduleClassLoader = kci.getKieContainer().getClassLoader();
XStream xs = XStreamXml.newXStreamMarshaller(moduleClassLoader);
Command<?> cmd = (Command<?>) xs.fromXML(payload);
if (cmd == null) {
return new ServiceResponse<String>(
ServiceResponse.ResponseType.FAILURE,
"Body of in message not of the expected type '" + Command.class.getName() + "'");
}
if (!(cmd instanceof BatchExecutionCommandImpl)) {
cmd =
new BatchExecutionCommandImpl(
Arrays.asList(new GenericCommand<?>[] {(GenericCommand<?>) cmd}));
}
ExecutionResults results = ks.execute((BatchExecutionCommandImpl) cmd);
String result = xs.toXML(results);
return new ServiceResponse<String>(
ServiceResponse.ResponseType.SUCCESS,
"Container " + containerId + " successfully called.",
result);
} else {
return new ServiceResponse<String>(
ServiceResponse.ResponseType.FAILURE,
"Session '" + sessionId + "' not found on container '" + containerId + "'.");
}
} else {
return new ServiceResponse<String>(
ServiceResponse.ResponseType.FAILURE,
"Container " + containerId + " is not instantiated.");
}
} catch (Exception e) {
logger.error("Error calling container '" + containerId + "'", e);
return new ServiceResponse<String>(
ServiceResponse.ResponseType.FAILURE,
"Error calling container "
+ containerId
+ ": "
+ e.getClass().getName()
+ ": "
+ e.getMessage());
}
}
