use of io.automatiko.engine.services.correlation.StringCorrelationKey in project automatiko-engine by automatiko-io.
the class SubProcessNodeInstance method internalTrigger.
@SuppressWarnings({ "unchecked", "rawtypes" })
@Override
public void internalTrigger(final NodeInstance from, String type) {
super.internalTrigger(from, type);
// if node instance was cancelled, abort
if (getNodeInstanceContainer().getNodeInstance(getId()) == null) {
return;
}
if (!io.automatiko.engine.workflow.process.core.Node.CONNECTION_DEFAULT_TYPE.equals(type)) {
throw new IllegalArgumentException("A SubProcess node only accepts default incoming connections!");
}
Map<String, Object> parameters = new HashMap<String, Object>();
for (Iterator<DataAssociation> iterator = getSubProcessNode().getInAssociations().iterator(); iterator.hasNext(); ) {
DataAssociation mapping = iterator.next();
Object parameterValue = null;
if (mapping.getTransformation() != null) {
Transformation transformation = mapping.getTransformation();
DataTransformer transformer = DataTransformerRegistry.get().find(transformation.getLanguage());
if (transformer != null) {
parameterValue = transformer.transform(transformation.getCompiledExpression(), getSourceParameters(mapping));
}
} else {
VariableScopeInstance variableScopeInstance = (VariableScopeInstance) resolveContextInstance(VariableScope.VARIABLE_SCOPE, mapping.getSources().get(0));
if (variableScopeInstance != null) {
parameterValue = variableScopeInstance.getVariable(mapping.getSources().get(0));
} else {
try {
ExpressionEvaluator evaluator = (ExpressionEvaluator) ((WorkflowProcess) getProcessInstance().getProcess()).getDefaultContext(ExpressionEvaluator.EXPRESSION_EVALUATOR);
parameterValue = evaluator.evaluate(mapping.getSources().get(0), new NodeInstanceResolverFactory(this));
} catch (Throwable t) {
parameterValue = VariableUtil.resolveVariable(mapping.getSources().get(0), this);
if (parameterValue != null) {
parameters.put(mapping.getTarget(), parameterValue);
} else {
logger.error("Could not find variable scope for variable {}", mapping.getSources().get(0));
logger.error("when trying to execute SubProcess node {}", getSubProcessNode().getName());
logger.error("Continuing without setting parameter.");
}
}
}
}
if (parameterValue != null) {
parameters.put(mapping.getTarget(), parameterValue);
}
}
String processId = getSubProcessNode().getProcessId();
if (processId == null) {
// if process id is not given try with process name
processId = getSubProcessNode().getProcessName();
}
// resolve processId if necessary
Map<String, String> replacements = new HashMap<String, String>();
Matcher matcher = PatternConstants.PARAMETER_MATCHER.matcher(processId);
while (matcher.find()) {
String paramName = matcher.group(1);
String replacementKey = paramName;
String defaultValue = "";
if (paramName.contains(":")) {
String[] items = paramName.split(":");
paramName = items[0];
defaultValue = items[1];
}
if (replacements.get(replacementKey) == null) {
VariableScopeInstance variableScopeInstance = (VariableScopeInstance) resolveContextInstance(VariableScope.VARIABLE_SCOPE, paramName);
if (variableScopeInstance != null) {
Object variableValue = variableScopeInstance.getVariable(paramName);
String variableValueString = variableValue == null ? defaultValue : variableValue.toString();
replacements.put(replacementKey, variableValueString);
} else {
try {
ExpressionEvaluator evaluator = (ExpressionEvaluator) ((WorkflowProcess) getProcessInstance().getProcess()).getDefaultContext(ExpressionEvaluator.EXPRESSION_EVALUATOR);
Object variableValue = evaluator.evaluate(paramName, new NodeInstanceResolverFactory(this));
String variableValueString = variableValue == null ? defaultValue : variableValue.toString();
replacements.put(replacementKey, variableValueString);
} catch (Throwable t) {
logger.error("Could not find variable scope for variable {}", paramName);
logger.error("when trying to replace variable in processId for sub process {}", getNodeName());
logger.error("Continuing without setting process id.");
}
}
}
}
for (Map.Entry<String, String> replacement : replacements.entrySet()) {
processId = processId.replace("#{" + replacement.getKey() + "}", replacement.getValue());
}
// start process instance
Process process = getProcessInstance().getProcessRuntime().getProcess(processId);
if (process == null) {
logger.error("Could not find process {}", processId);
logger.error("Aborting process");
((ProcessInstance) getProcessInstance()).setState(ProcessInstance.STATE_ABORTED);
throw new RuntimeException("Could not find process " + processId);
} else {
ProcessRuntime kruntime = ((ProcessInstance) getProcessInstance()).getProcessRuntime();
if (getSubProcessNode().getMetaData("MICollectionInput") != null) {
// remove foreach input variable to avoid problems when running in variable
// strict mode
parameters.remove(getSubProcessNode().getMetaData("MICollectionInput"));
}
ProcessInstance processInstance = null;
if (((WorkflowProcessInstanceImpl) getProcessInstance()).getCorrelationKey() != null) {
// in case there is correlation key on parent instance pass it along to child so
// it can be easily correlated
// since correlation key must be unique for active instances it appends
// processId and timestamp
List<String> businessKeys = new ArrayList<String>();
businessKeys.add(((WorkflowProcessInstanceImpl) getProcessInstance()).getCorrelationKey());
businessKeys.add(processId);
businessKeys.add(String.valueOf(System.currentTimeMillis()));
CorrelationKey subProcessCorrelationKey = new StringCorrelationKey(businessKeys.stream().collect(Collectors.joining(":")));
processInstance = (ProcessInstance) ((CorrelationAwareProcessRuntime) kruntime).createProcessInstance(processId, subProcessCorrelationKey, parameters);
} else {
processInstance = (ProcessInstance) kruntime.createProcessInstance(processId, parameters);
}
this.processInstanceId = processInstance.getId();
((ProcessInstanceImpl) processInstance).setMetaData("ParentProcessInstanceId", getProcessInstance().getId());
((ProcessInstanceImpl) processInstance).setMetaData("ParentNodeInstanceId", getUniqueId());
((ProcessInstanceImpl) processInstance).setMetaData("ParentNodeId", getSubProcessNode().getUniqueId());
((ProcessInstanceImpl) processInstance).setParentProcessInstanceId(getProcessInstance().getId());
((ProcessInstanceImpl) processInstance).setRootProcessInstanceId(StringUtils.isEmpty(getProcessInstance().getRootProcessInstanceId()) ? getProcessInstance().getId() : getProcessInstance().getRootProcessInstanceId());
((ProcessInstanceImpl) processInstance).setRootProcessId(StringUtils.isEmpty(getProcessInstance().getRootProcessId()) ? getProcessInstance().getProcessId() : getProcessInstance().getRootProcessId());
((ProcessInstanceImpl) processInstance).setSignalCompletion(getSubProcessNode().isWaitForCompletion());
((ProcessInstanceImpl) processInstance).addChild(processInstance.getProcessId(), processInstance.getId());
kruntime.startProcessInstance(processInstance.getId());
if (!getSubProcessNode().isWaitForCompletion()) {
triggerCompleted();
} else if (processInstance.getState() == ProcessInstance.STATE_COMPLETED || processInstance.getState() == ProcessInstance.STATE_ABORTED) {
processInstanceCompleted(processInstance);
} else {
addProcessListener();
}
}
}
use of io.automatiko.engine.services.correlation.StringCorrelationKey in project automatiko-engine by automatiko-io.
the class DynamicUtils method executeSubProcess.
private static String executeSubProcess(InternalProcessRuntime runtime, String processId, Map<String, Object> parameters, ProcessInstance processInstance, SubProcessNodeInstance subProcessNodeInstance) {
Process process = runtime.getProcess(processId);
if (process == null) {
logger.error("Could not find process {}", processId);
throw new IllegalArgumentException("No process definition found with id: " + processId);
} else {
ProcessEventSupport eventSupport = runtime.getProcessEventSupport();
eventSupport.fireBeforeNodeTriggered(subProcessNodeInstance, runtime);
ProcessInstance subProcessInstance = null;
if (((WorkflowProcessInstanceImpl) processInstance).getCorrelationKey() != null) {
List<String> businessKeys = new ArrayList<>();
businessKeys.add(((WorkflowProcessInstanceImpl) processInstance).getCorrelationKey());
businessKeys.add(processId);
businessKeys.add(String.valueOf(System.currentTimeMillis()));
CorrelationKey subProcessCorrelationKey = new StringCorrelationKey(businessKeys.stream().collect(Collectors.joining(":")));
subProcessInstance = (ProcessInstance) runtime.createProcessInstance(processId, subProcessCorrelationKey, parameters);
} else {
subProcessInstance = (ProcessInstance) runtime.createProcessInstance(processId, parameters);
}
((ProcessInstanceImpl) subProcessInstance).setMetaData("ParentProcessInstanceId", processInstance.getId());
((ProcessInstanceImpl) subProcessInstance).setParentProcessInstanceId(processInstance.getId());
subProcessInstance = (ProcessInstance) runtime.startProcessInstance(subProcessInstance.getId());
subProcessNodeInstance.internalSetProcessInstanceId(subProcessInstance.getId());
eventSupport.fireAfterNodeTriggered(subProcessNodeInstance, runtime);
if (subProcessInstance.getState() == io.automatiko.engine.api.runtime.process.ProcessInstance.STATE_COMPLETED) {
subProcessNodeInstance.triggerCompleted();
} else {
subProcessNodeInstance.addEventListeners();
}
return subProcessInstance.getId();
}
}
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