use of io.automatiko.engine.api.runtime.process.DataTransformer in project automatiko-engine by automatiko-io.
the class RuleSetNodeInstance method evaluateParameters.
@SuppressWarnings({ "unchecked", "rawtypes" })
protected Map<String, Object> evaluateParameters(RuleSetNode ruleSetNode) {
Map<String, Object> replacements = new HashMap<>();
for (Iterator<DataAssociation> iterator = ruleSetNode.getInAssociations().iterator(); iterator.hasNext(); ) {
DataAssociation association = iterator.next();
if (association.getTransformation() != null) {
Transformation transformation = association.getTransformation();
DataTransformer transformer = DataTransformerRegistry.get().find(transformation.getLanguage());
if (transformer != null) {
Object parameterValue = transformer.transform(transformation.getCompiledExpression(), getSourceParameters(association));
replacements.put(association.getTarget(), parameterValue);
}
} else if (association.getAssignments() == null || association.getAssignments().isEmpty()) {
Object parameterValue = null;
VariableScopeInstance variableScopeInstance = (VariableScopeInstance) resolveContextInstance(VariableScope.VARIABLE_SCOPE, association.getSources().get(0));
if (variableScopeInstance != null) {
parameterValue = variableScopeInstance.getVariable(association.getSources().get(0));
} else {
try {
ExpressionEvaluator evaluator = (ExpressionEvaluator) ((WorkflowProcess) getProcessInstance().getProcess()).getDefaultContext(ExpressionEvaluator.EXPRESSION_EVALUATOR);
parameterValue = evaluator.evaluate(association.getSources().get(0), new NodeInstanceResolverFactory(this));
} catch (Throwable t) {
logger.error("Could not find variable scope for variable {}", association.getSources().get(0));
logger.error("when trying to execute RuleSetNode {}", ruleSetNode.getName());
logger.error("Continuing without setting parameter.");
}
}
replacements.put(association.getTarget(), parameterValue);
}
}
for (Map.Entry<String, Object> entry : ruleSetNode.getParameters().entrySet()) {
if (entry.getValue() instanceof String) {
Object value = resolveVariable(entry.getValue());
replacements.put(entry.getKey(), value);
}
}
return replacements;
}
use of io.automatiko.engine.api.runtime.process.DataTransformer in project automatiko-engine by automatiko-io.
the class ActionNodeInstance method setOutputVariable.
public void setOutputVariable(Object variable) {
List<DataAssociation> outputs = getActionNode().getOutAssociations();
if (outputs != null && !outputs.isEmpty()) {
for (DataAssociation output : outputs) {
VariableScopeInstance variableScopeInstance = (VariableScopeInstance) resolveContextInstance(VariableScope.VARIABLE_SCOPE, getActionNode().getOutAssociations().get(0).getTarget());
if (variableScopeInstance != null) {
if (output.getTransformation() != null) {
Transformation transformation = output.getTransformation();
DataTransformer transformer = DataTransformerRegistry.get().find(transformation.getLanguage());
if (transformer != null) {
final Object currentValue = variable;
Map<String, Object> dataSet = new HashMap<String, Object>();
for (String source : output.getSources()) {
dataSet.put(source, currentValue);
}
variable = transformer.transform(transformation.getCompiledExpression(), dataSet);
}
}
Variable var = variableScopeInstance.getVariableScope().getVariables().stream().filter(v -> v.getId().equals(output.getTarget())).findFirst().orElse(null);
if (var != null) {
variableScopeInstance.setVariable(var.getName(), variable);
} else {
variableScopeInstance.setVariable(getActionNode().getOutAssociations().get(0).getTarget(), variable);
}
}
}
}
}
use of io.automatiko.engine.api.runtime.process.DataTransformer 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.api.runtime.process.DataTransformer in project automatiko-engine by automatiko-io.
the class RuleSetNodeInstance method processOutputs.
@SuppressWarnings({ "unchecked", "rawtypes" })
private void processOutputs(Map<String, Object> inputs, Map<String, Object> objects) {
logger.debug("Rules evaluation results {}", objects);
RuleSetNode ruleSetNode = getRuleSetNode();
if (ruleSetNode != null) {
for (Iterator<DataAssociation> iterator = ruleSetNode.getOutAssociations().iterator(); iterator.hasNext(); ) {
DataAssociation association = iterator.next();
if (association.getTransformation() != null) {
Transformation transformation = association.getTransformation();
DataTransformer transformer = DataTransformerRegistry.get().find(transformation.getLanguage());
if (transformer != null) {
Map<String, Object> dataSet = new HashMap<String, Object>();
if (getNodeInstanceContainer() instanceof CompositeContextNodeInstance) {
VariableScopeInstance variableScopeInstance = (VariableScopeInstance) ((CompositeContextNodeInstance) getNodeInstanceContainer()).getContextInstance(VariableScope.VARIABLE_SCOPE);
if (variableScopeInstance != null) {
dataSet.putAll(variableScopeInstance.getVariables());
}
}
dataSet.putAll(inputs);
dataSet.putAll(objects);
Object parameterValue = transformer.transform(transformation.getCompiledExpression(), dataSet);
VariableScopeInstance variableScopeInstance = (VariableScopeInstance) resolveContextInstance(VariableScope.VARIABLE_SCOPE, association.getTarget());
if (variableScopeInstance != null && parameterValue != null) {
variableScopeInstance.setVariable(this, association.getTarget(), parameterValue);
} else {
logger.warn("Could not find variable scope for variable {}", association.getTarget());
logger.warn("Continuing without setting variable.");
}
}
} else if (association.getAssignments() == null || association.getAssignments().isEmpty()) {
VariableScopeInstance variableScopeInstance = (VariableScopeInstance) resolveContextInstance(VariableScope.VARIABLE_SCOPE, association.getTarget());
if (variableScopeInstance != null) {
Object value = objects.get(association.getSources().get(0));
if (value == null) {
try {
ExpressionEvaluator evaluator = (ExpressionEvaluator) ((WorkflowProcess) getProcessInstance().getProcess()).getDefaultContext(ExpressionEvaluator.EXPRESSION_EVALUATOR);
value = evaluator.evaluate(association.getSources().get(0), new MapVariableResolverFactory(objects));
} catch (Throwable t) {
// do nothing
}
}
Variable varDef = variableScopeInstance.getVariableScope().findVariable(association.getTarget());
DataType dataType = varDef.getType();
// exclude java.lang.Object as it is considered unknown type
if (!dataType.getStringType().endsWith("java.lang.Object") && value instanceof String) {
value = dataType.readValue((String) value);
}
variableScopeInstance.setVariable(this, association.getTarget(), value);
} else {
String output = association.getSources().get(0);
String target = association.getTarget();
Matcher matcher = PatternConstants.PARAMETER_MATCHER.matcher(target);
if (matcher.find()) {
String paramName = matcher.group(1);
String expression = VariableUtil.transformDotNotation(paramName, output);
NodeInstanceResolverFactory resolver = new NodeInstanceResolverFactory(this);
resolver.addExtraParameters(objects);
Serializable compiled = MVEL.compileExpression(expression);
MVEL.executeExpression(compiled, resolver);
String varName = VariableUtil.nameFromDotNotation(paramName);
variableScopeInstance = (VariableScopeInstance) resolveContextInstance(VARIABLE_SCOPE, varName);
variableScopeInstance.setVariable(this, varName, variableScopeInstance.getVariable(varName));
} else {
logger.warn("Could not find variable scope for variable {}", association.getTarget());
}
}
}
}
}
}
use of io.automatiko.engine.api.runtime.process.DataTransformer in project automatiko-engine by automatiko-io.
the class SubProcessNodeInstance method handleOutMappings.
@SuppressWarnings({ "unchecked", "rawtypes" })
private void handleOutMappings(ProcessInstance processInstance) {
VariableScopeInstance subProcessVariableScopeInstance = (VariableScopeInstance) processInstance.getContextInstance(VariableScope.VARIABLE_SCOPE);
SubProcessNode subProcessNode = getSubProcessNode();
if (subProcessNode != null) {
for (Iterator<io.automatiko.engine.workflow.process.core.node.DataAssociation> iterator = subProcessNode.getOutAssociations().iterator(); iterator.hasNext(); ) {
io.automatiko.engine.workflow.process.core.node.DataAssociation mapping = iterator.next();
if (mapping.getTransformation() != null) {
Transformation transformation = mapping.getTransformation();
DataTransformer transformer = DataTransformerRegistry.get().find(transformation.getLanguage());
if (transformer != null) {
Map<String, Object> dataSet = new HashMap<String, Object>();
if (getNodeInstanceContainer() instanceof CompositeContextNodeInstance) {
VariableScopeInstance variableScopeInstance = (VariableScopeInstance) ((CompositeContextNodeInstance) getNodeInstanceContainer()).getContextInstance(VariableScope.VARIABLE_SCOPE);
if (variableScopeInstance != null) {
dataSet.putAll(variableScopeInstance.getVariables());
}
}
dataSet.putAll(subProcessVariableScopeInstance.getVariables());
Object parameterValue = transformer.transform(transformation.getCompiledExpression(), dataSet);
VariableScopeInstance variableScopeInstance = (VariableScopeInstance) resolveContextInstance(VariableScope.VARIABLE_SCOPE, mapping.getTarget());
if (variableScopeInstance != null && parameterValue != null) {
variableScopeInstance.setVariable(this, mapping.getTarget(), parameterValue);
} else {
logger.warn("Could not find variable scope for variable {}", mapping.getTarget());
logger.warn("Continuing without setting variable.");
}
}
} else {
VariableScopeInstance variableScopeInstance = (VariableScopeInstance) resolveContextInstance(VariableScope.VARIABLE_SCOPE, mapping.getTarget());
if (variableScopeInstance != null) {
Object value = subProcessVariableScopeInstance.getVariable(mapping.getSources().get(0));
if (value == null) {
try {
ExpressionEvaluator evaluator = (ExpressionEvaluator) ((WorkflowProcess) getProcessInstance().getProcess()).getDefaultContext(ExpressionEvaluator.EXPRESSION_EVALUATOR);
value = evaluator.evaluate(mapping.getSources().get(0), new VariableScopeResolverFactory(subProcessVariableScopeInstance));
} catch (Throwable t) {
// do nothing
}
}
variableScopeInstance.setVariable(this, mapping.getTarget(), value);
} else {
String output = mapping.getSources().get(0);
String target = mapping.getTarget();
Matcher matcher = PatternConstants.PARAMETER_MATCHER.matcher(target);
if (matcher.find()) {
String paramName = matcher.group(1);
String expression = paramName + " = " + output;
VariableScopeResolverFactory resolver = new VariableScopeResolverFactory(subProcessVariableScopeInstance);
resolver.addExtraParameters(((VariableScopeInstance) getProcessInstance().getContextInstance(VariableScope.VARIABLE_SCOPE)).getVariables());
Serializable compiled = MVEL.compileExpression(expression);
MVEL.executeExpression(compiled, resolver);
} else {
logger.error("Could not find variable scope for variable {}", mapping.getTarget());
logger.error("when trying to complete SubProcess node {}", getSubProcessNode().getName());
logger.error("Continuing without setting variable.");
}
}
}
}
} else {
// handle dynamic sub processes without data output mapping
mapDynamicOutputData(subProcessVariableScopeInstance.getVariables());
}
}
Aggregations