public virtual ProcessInstanceWithVariables execute(CommandContext commandContext)
{
ProcessDefinitionEntity processDefinition = (new GetDeployedProcessDefinitionCmd(instantiationBuilder, false)).execute(commandContext);
foreach (CommandChecker checker in commandContext.ProcessEngineConfiguration.CommandCheckers)
{
checker.checkCreateProcessInstance(processDefinition);
}
ProcessInstanceModificationBuilderImpl modificationBuilder = instantiationBuilder.ModificationBuilder;
ensureNotEmpty("At least one instantiation instruction required (e.g. by invoking startBefore(..), startAfter(..) or startTransition(..))", "instructions", modificationBuilder.ModificationOperations);
// instantiate the process
ActivityImpl initialActivity = determineFirstActivity(processDefinition, modificationBuilder);
ExecutionEntity processInstance = processDefinition.createProcessInstance(instantiationBuilder.BusinessKey, instantiationBuilder.CaseInstanceId, initialActivity);
if (!string.ReferenceEquals(instantiationBuilder.TenantId, null))
{
processInstance.TenantId = instantiationBuilder.TenantId;
}
processInstance.SkipCustomListeners = modificationBuilder.SkipCustomListeners;
VariableMap variables = modificationBuilder.ProcessVariables;
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.camunda.bpm.engine.impl.persistence.entity.ExecutionVariableSnapshotObserver variablesListener = new org.camunda.bpm.engine.impl.persistence.entity.ExecutionVariableSnapshotObserver(processInstance);
ExecutionVariableSnapshotObserver variablesListener = new ExecutionVariableSnapshotObserver(processInstance);
processInstance.startWithoutExecuting(variables);
// prevent ending of the process instance between instructions
processInstance.PreserveScope = true;
// apply modifications
IList <AbstractProcessInstanceModificationCommand> instructions = modificationBuilder.ModificationOperations;
for (int i = 0; i < instructions.Count; i++)
{
AbstractProcessInstanceModificationCommand instruction = instructions[i];
LOG.debugStartingInstruction(processInstance.Id, i, instruction.describe());
instruction.ProcessInstanceId = processInstance.Id;
instruction.SkipCustomListeners = modificationBuilder.SkipCustomListeners;
instruction.SkipIoMappings = modificationBuilder.SkipIoMappings;
instruction.execute(commandContext);
}
if (!processInstance.hasChildren() && processInstance.Ended)
{
// process instance has ended regularly but this has not been propagated yet
// due to preserveScope setting
processInstance.propagateEnd();
}
commandContext.OperationLogManager.logProcessInstanceOperation(org.camunda.bpm.engine.history.UserOperationLogEntry_Fields.OPERATION_TYPE_CREATE, processInstance.Id, processInstance.ProcessDefinitionId, processInstance.getProcessDefinition().Key, Collections.singletonList(PropertyChange.EMPTY_CHANGE));
return(new ProcessInstanceWithVariablesImpl(processInstance, variablesListener.Variables));
}
public virtual Void execute(CommandContext commandContext)
{
string processInstanceId = builder.ProcessInstanceId;
ExecutionManager executionManager = commandContext.ExecutionManager;
ExecutionEntity processInstance = executionManager.findExecutionById(processInstanceId);
ensureProcessInstanceExist(processInstanceId, processInstance);
checkUpdateProcessInstance(processInstance, commandContext);
processInstance.PreserveScope = true;
IList <AbstractProcessInstanceModificationCommand> instructions = builder.ModificationOperations;
checkCancellation(commandContext);
for (int i = 0; i < instructions.Count; i++)
{
AbstractProcessInstanceModificationCommand instruction = instructions[i];
LOG.debugModificationInstruction(processInstanceId, i + 1, instruction.describe());
instruction.SkipCustomListeners = builder.SkipCustomListeners;
instruction.SkipIoMappings = builder.SkipIoMappings;
instruction.execute(commandContext);
}
processInstance = executionManager.findExecutionById(processInstanceId);
if (!processInstance.hasChildren())
{
if (processInstance.getActivity() == null)
{
// process instance was cancelled
checkDeleteProcessInstance(processInstance, commandContext);
deletePropagate(processInstance, builder.ModificationReason, builder.SkipCustomListeners, builder.SkipIoMappings);
}
else if (processInstance.Ended)
{
// process instance has ended regularly
processInstance.propagateEnd();
}
}
if (writeOperationLog)
{
commandContext.OperationLogManager.logProcessInstanceOperation(LogEntryOperation, processInstanceId, null, null, Collections.singletonList(PropertyChange.EMPTY_CHANGE));
}
return(null);
}
/// <summary>
/// get the activity that is started by the first instruction, if exists;
/// return null if the first instruction is a start-transition instruction
/// </summary>
protected internal virtual ActivityImpl determineFirstActivity(ProcessDefinitionImpl processDefinition, ProcessInstanceModificationBuilderImpl modificationBuilder)
{
AbstractProcessInstanceModificationCommand firstInstruction = modificationBuilder.ModificationOperations[0];
if (firstInstruction is AbstractInstantiationCmd)
{
AbstractInstantiationCmd instantiationInstruction = (AbstractInstantiationCmd)firstInstruction;
CoreModelElement targetElement = instantiationInstruction.getTargetElement(processDefinition);
ensureNotNull(typeof(NotValidException), "Element '" + instantiationInstruction.TargetElementId + "' does not exist in process " + processDefinition.Id, "targetElement", targetElement);
if (targetElement is ActivityImpl)
{
return((ActivityImpl)targetElement);
}
else if (targetElement is TransitionImpl)
{
return((ActivityImpl)((TransitionImpl)targetElement).Destination);
}
}
return(null);
}
