public void executeWorkItem(WorkItem workItem, final WorkItemManager manager) {
String implementation = (String) workItem.getParameter("implementation");
if ("##WebService".equalsIgnoreCase(implementation)) {
String interfaceRef = (String) workItem.getParameter("interfaceImplementationRef");
String operationRef = (String) workItem.getParameter("operationImplementationRef");
Object parameter = workItem.getParameter("Parameter");
WSMode mode =
WSMode.valueOf(
workItem.getParameter("mode") == null
? "SYNC"
: ((String) workItem.getParameter("mode")).toUpperCase());
try {
Client client = getWSClient(workItem, interfaceRef);
if (client == null) {
throw new IllegalStateException(
"Unable to create client for web service " + interfaceRef + " - " + operationRef);
}
switch (mode) {
case SYNC:
Object[] result = client.invoke(operationRef, parameter);
Map<String, Object> output = new HashMap<String, Object>();
if (result == null || result.length == 0) {
output.put("Result", null);
} else {
output.put("Result", result[0]);
}
manager.completeWorkItem(workItem.getId(), output);
break;
case ASYNC:
final ClientCallback callback = new ClientCallback();
final long workItemId = workItem.getId();
final String deploymentId = nonNull(((WorkItemImpl) workItem).getDeploymentId());
final long processInstanceId = workItem.getProcessInstanceId();
client.invoke(callback, operationRef, parameter);
new Thread(
new Runnable() {
public void run() {
try {
Object[] result = callback.get(asyncTimeout, TimeUnit.SECONDS);
Map<String, Object> output = new HashMap<String, Object>();
if (callback.isDone()) {
if (result == null) {
output.put("Result", null);
} else {
output.put("Result", result[0]);
}
}
RuntimeManager manager =
RuntimeManagerRegistry.get().getManager(deploymentId);
if (manager != null) {
RuntimeEngine engine =
manager.getRuntimeEngine(
ProcessInstanceIdContext.get(processInstanceId));
engine
.getKieSession()
.getWorkItemManager()
.completeWorkItem(workItemId, output);
manager.disposeRuntimeEngine(engine);
} else {
// in case there is no RuntimeManager available use available ksession,
// as it might be used without runtime manager at all
ksession.getWorkItemManager().completeWorkItem(workItemId, output);
}
} catch (Exception e) {
logger.error(
"Error encountered while invoking ws operation asynchronously ", e);
}
}
})
.start();
break;
case ONEWAY:
ClientCallback callbackFF = new ClientCallback();
client.invoke(callbackFF, operationRef, parameter);
manager.completeWorkItem(workItem.getId(), new HashMap<String, Object>());
break;
default:
break;
}
} catch (Exception e) {
handleException(e, interfaceRef, operationRef, parameter.getClass().getName(), parameter);
}
} else {
executeJavaWorkItem(workItem, manager);
}
}
public void executeWorkItem(WorkItem workItem, final WorkItemManager manager) {
Object[] parameters = null;
String interfaceRef = (String) workItem.getParameter("Interface");
String operationRef = (String) workItem.getParameter("Operation");
String endpointAddress = (String) workItem.getParameter("Endpoint");
if (workItem.getParameter("Parameter") instanceof Object[]) {
parameters = (Object[]) workItem.getParameter("Parameter");
} else if (workItem.getParameter("Parameter") != null
&& workItem.getParameter("Parameter").getClass().isArray()) {
int length = Array.getLength(workItem.getParameter("Parameter"));
parameters = new Object[length];
for (int i = 0; i < length; i++) {
parameters[i] = Array.get(workItem.getParameter("Parameter"), i);
}
} else {
parameters = new Object[] {workItem.getParameter("Parameter")};
}
String modeParam = (String) workItem.getParameter("Mode");
WSMode mode = WSMode.valueOf(modeParam == null ? "SYNC" : modeParam.toUpperCase());
try {
Client client = getWSClient(workItem, interfaceRef);
if (client == null) {
throw new IllegalStateException(
"Unable to create client for web service " + interfaceRef + " - " + operationRef);
}
// Override endpoint address if configured.
if (endpointAddress != null && !"".equals(endpointAddress)) {
client.getRequestContext().put(Message.ENDPOINT_ADDRESS, endpointAddress);
}
switch (mode) {
case SYNC:
Object[] result = client.invoke(operationRef, parameters);
Map<String, Object> output = new HashMap<String, Object>();
if (result == null || result.length == 0) {
output.put("Result", null);
} else {
output.put("Result", result[0]);
}
logger.debug(
"Received sync response {} completeing work item {}", result, workItem.getId());
manager.completeWorkItem(workItem.getId(), output);
break;
case ASYNC:
final ClientCallback callback = new ClientCallback();
final long workItemId = workItem.getId();
final String deploymentId = nonNull(((WorkItemImpl) workItem).getDeploymentId());
final long processInstanceId = workItem.getProcessInstanceId();
client.invoke(callback, operationRef, parameters);
new Thread(
new Runnable() {
public void run() {
try {
Object[] result = callback.get(asyncTimeout, TimeUnit.SECONDS);
Map<String, Object> output = new HashMap<String, Object>();
if (callback.isDone()) {
if (result == null) {
output.put("Result", null);
} else {
output.put("Result", result[0]);
}
}
logger.debug(
"Received async response {} completeing work item {}",
result,
workItemId);
RuntimeManager manager =
RuntimeManagerRegistry.get().getManager(deploymentId);
if (manager != null) {
RuntimeEngine engine =
manager.getRuntimeEngine(
ProcessInstanceIdContext.get(processInstanceId));
engine
.getKieSession()
.getWorkItemManager()
.completeWorkItem(workItemId, output);
manager.disposeRuntimeEngine(engine);
} else {
// in case there is no RuntimeManager available use available ksession,
// as it might be used without runtime manager at all
ksession.getWorkItemManager().completeWorkItem(workItemId, output);
}
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException(
"Error encountered while invoking ws operation asynchronously", e);
}
}
})
.start();
break;
case ONEWAY:
ClientCallback callbackFF = new ClientCallback();
client.invoke(callbackFF, operationRef, parameters);
logger.debug(
"One way operation, not going to wait for response, completing work item {}",
workItem.getId());
manager.completeWorkItem(workItem.getId(), new HashMap<String, Object>());
break;
default:
break;
}
} catch (Exception e) {
handleException(e);
}
}
public void executeWorkItem(WorkItem workItem, final WorkItemManager manager) {
Object[] parameters = null;
String interfaceRef = (String) workItem.getParameter("Interface");
String operationRef = (String) workItem.getParameter("Operation");
if (workItem.getParameter("Parameter") instanceof Object[]) {
parameters = (Object[]) workItem.getParameter("Parameter");
} else if (workItem.getParameter("Parameter") != null
&& workItem.getParameter("Parameter").getClass().isArray()) {
int length = Array.getLength(workItem.getParameter("Parameter"));
parameters = new Object[length];
for (int i = 0; i < length; i++) {
parameters[i] = Array.get(workItem.getParameter("Parameter"), i);
}
} else {
parameters = new Object[] {workItem.getParameter("Parameter")};
}
String modeParam = (String) workItem.getParameter("Mode");
WSMode mode = WSMode.valueOf(modeParam == null ? "SYNC" : modeParam.toUpperCase());
try {
Client client = getWSClient(workItem, interfaceRef);
if (client == null) {
throw new IllegalStateException(
"Unable to create client for web service " + interfaceRef + " - " + operationRef);
}
switch (mode) {
case SYNC:
Object[] result = client.invoke(operationRef, parameters);
Map<String, Object> output = new HashMap<String, Object>();
if (result == null || result.length == 0) {
output.put("Result", null);
} else {
output.put("Result", result[0]);
}
logger.debug(
"Received sync response {} completeing work item {}", result, workItem.getId());
manager.completeWorkItem(workItem.getId(), output);
break;
case ASYNC:
final ClientCallback callback = new ClientCallback();
final long workItemId = workItem.getId();
client.invoke(callback, operationRef, parameters);
new Thread(
new Runnable() {
public void run() {
try {
Object[] result = callback.get(asyncTimeout, TimeUnit.SECONDS);
Map<String, Object> output = new HashMap<String, Object>();
if (callback.isDone()) {
if (result == null) {
output.put("Result", null);
} else {
output.put("Result", result[0]);
}
}
logger.debug(
"Received async response {} completeing work item {}",
result,
workItemId);
ksession.getWorkItemManager().completeWorkItem(workItemId, output);
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException(
"Error encountered while invoking ws operation asynchronously", e);
}
}
})
.start();
break;
case ONEWAY:
ClientCallback callbackFF = new ClientCallback();
client.invoke(callbackFF, operationRef, parameters);
logger.debug(
"One way operation, not going to wait for response, completing work item {}",
workItem.getId());
manager.completeWorkItem(workItem.getId(), new HashMap<String, Object>());
break;
default:
break;
}
} catch (Exception e) {
handleException(e);
}
}
