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/* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.activiti.engine.impl.persistence.entity;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.activiti.engine.EngineServices;
import org.activiti.engine.impl.TaskContext;
import org.activiti.engine.impl.bpmn.parser.BpmnParse;
import org.activiti.engine.impl.bpmn.parser.EventSubscriptionDeclaration;
import org.activiti.engine.impl.context.Context;
import org.activiti.engine.impl.db.DbSqlSession;
import org.activiti.engine.impl.db.HasRevision;
import org.activiti.engine.impl.db.PersistentObject;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.jobexecutor.AsyncContinuationJobHandler;
import org.activiti.engine.impl.jobexecutor.TimerDeclarationImpl;
import org.activiti.engine.impl.pvm.PvmActivity;
import org.activiti.engine.impl.pvm.PvmException;
import org.activiti.engine.impl.pvm.PvmExecution;
import org.activiti.engine.impl.pvm.PvmProcessDefinition;
import org.activiti.engine.impl.pvm.PvmProcessElement;
import org.activiti.engine.impl.pvm.PvmProcessInstance;
import org.activiti.engine.impl.pvm.PvmTransition;
import org.activiti.engine.impl.pvm.delegate.ActivityExecution;
import org.activiti.engine.impl.pvm.delegate.ExecutionListenerExecution;
import org.activiti.engine.impl.pvm.delegate.SignallableActivityBehavior;
import org.activiti.engine.impl.pvm.process.ActivityImpl;
import org.activiti.engine.impl.pvm.process.ProcessDefinitionImpl;
import org.activiti.engine.impl.pvm.process.ScopeImpl;
import org.activiti.engine.impl.pvm.process.TransitionImpl;
import org.activiti.engine.impl.pvm.runtime.AtomicOperation;
import org.activiti.engine.impl.pvm.runtime.InterpretableExecution;
import org.activiti.engine.impl.pvm.runtime.OutgoingExecution;
import org.activiti.engine.impl.pvm.runtime.StartingExecution;
import org.activiti.engine.impl.util.BitMaskUtil;
import org.activiti.engine.runtime.Execution;
import org.activiti.engine.runtime.Job;
import org.activiti.engine.runtime.ProcessInstance;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author Tom Baeyens
* @author Daniel Meyer
* @author Falko Menge
* @author Saeid Mirzaei
*/
public class ExecutionEntity extends VariableScopeImpl implements ActivityExecution, ExecutionListenerExecution, Execution, PvmExecution, ProcessInstance, InterpretableExecution, PersistentObject, HasRevision {
private static final long serialVersionUID = 1L;
private static Logger log = LoggerFactory.getLogger(ExecutionEntity.class);
// Persistent refrenced entities state //////////////////////////////////////
protected static final int EVENT_SUBSCRIPTIONS_STATE_BIT = 1;
protected static final int TASKS_STATE_BIT = 2;
protected static final int JOBS_STATE_BIT = 3;
// current position /////////////////////////////////////////////////////////
protected ProcessDefinitionImpl processDefinition;
/** current activity */
protected ActivityImpl activity;
/** current transition. is null when there is no transition being taken. */
protected TransitionImpl transition = null;
/** transition that will be taken. is null when there is no transition being taken. */
protected TransitionImpl transitionBeingTaken = null;
/** the process instance. this is the root of the execution tree.
* the processInstance of a process instance is a self reference. */
protected ExecutionEntity processInstance;
/** the parent execution */
protected ExecutionEntity parent;
/** nested executions representing scopes or concurrent paths */
protected List executions;
/** super execution, not-null if this execution is part of a subprocess */
protected ExecutionEntity superExecution;
/** reference to a subprocessinstance, not-null if currently subprocess is started from this execution */
protected ExecutionEntity subProcessInstance;
protected StartingExecution startingExecution;
// state/type of execution //////////////////////////////////////////////////
/** indicates if this execution represents an active path of execution.
* Executions are made inactive in the following situations:
*
* - an execution enters a nested scope
* - an execution is split up into multiple concurrent executions, then the parent is made inactive.
* - an execution has arrived in a parallel gateway or join and that join has not yet activated/fired.
* - an execution is ended.
*
*/
protected boolean isActive = true;
protected boolean isScope = true;
protected boolean isConcurrent = false;
protected boolean isEnded = false;
protected boolean isEventScope = false;
// events ///////////////////////////////////////////////////////////////////
protected String eventName;
protected PvmProcessElement eventSource;
protected int executionListenerIndex = 0;
// associated entities /////////////////////////////////////////////////////
// (we cache associated entities here to minimize db queries)
protected List eventSubscriptions;
protected List jobs;
protected List tasks;
protected List identityLinks;
protected int cachedEntityState;
// cascade deletion ////////////////////////////////////////////////////////
protected boolean deleteRoot;
protected String deleteReason;
protected String bussinessop;
protected String bussinessRemark;
// replaced by //////////////////////////////////////////////////////////////
/** when execution structure is pruned during a takeAll, then
* the original execution has to be resolved to the replaced execution.
* @see {@link #takeAll(List, List)} {@link OutgoingExecution} */
protected ExecutionEntity replacedBy;
// atomic operations ////////////////////////////////////////////////////////
/** next operation. process execution is in fact runtime interpretation of the process model.
* each operation is a logical unit of interpretation of the process. so sequentially processing
* the operations drives the interpretation or execution of a process.
* @see AtomicOperation
* @see #performOperation(AtomicOperation) */
protected AtomicOperation nextOperation;
protected boolean isOperating = false;
protected int revision = 1;
protected int suspensionState = SuspensionState.ACTIVE.getStateCode();
/**
* persisted reference to the processDefinition.
*
* @see #processDefinition
* @see #setProcessDefinition(ProcessDefinitionImpl)
* @see #getProcessDefinition()
*/
protected String processDefinitionId;
/**
* persisted reference to the current position in the diagram within the
* {@link #processDefinition}.
*
* @see #activity
* @see #setActivity(ActivityImpl)
* @see #getActivity()
*/
protected String activityId;
/**
* The name of the current activity position
*/
protected String activityName;
/**
* persisted reference to the process instance.
*
* @see #getProcessInstance()
*/
protected String processInstanceId;
/**
* persisted reference to the business key.
*/
protected String businessKey;
protected Date taskCreateTime;
/**
* persisted reference to the parent of this execution.
*
* @see #getParent()
* @see #setParent(ExecutionEntity)
*/
protected String parentId;
/**
* persisted reference to the super execution of this execution
*
* @See {@link #getSuperExecution()}
* @see #setSuperExecution(ExecutionEntity)
*/
protected String superExecutionId;
protected boolean forcedUpdate;
public ExecutionEntity() {
}
public ExecutionEntity(ActivityImpl activityImpl) {
this.startingExecution = new StartingExecution(activityImpl);
}
/** creates a new execution. properties processDefinition, processInstance and activity will be initialized. */
public ExecutionEntity createExecution() {
// create the new child execution
ExecutionEntity createdExecution = newExecution();
// manage the bidirectional parent-child relation
ensureExecutionsInitialized();
executions.add(createdExecution);
createdExecution.setParent(this);
// initialize the new execution
createdExecution.setProcessDefinition(getProcessDefinition());
createdExecution.setProcessInstance(getProcessInstance());
createdExecution.setActivity(getActivity());
createdExecution.setTaskContext(this.getTaskContext());
createdExecution.setBussinessop( getBussinessop());
createdExecution.setBussinessRemark( getBussinessRemark());
if (log.isDebugEnabled()) {
log.debug("Child execution {} created with parent ", createdExecution, this);
}
return createdExecution;
}
public PvmProcessInstance createSubProcessInstance(PvmProcessDefinition processDefinition) {
ExecutionEntity subProcessInstance = newExecution();
// manage bidirectional super-subprocess relation
subProcessInstance.setSuperExecution(this);
this.setSubProcessInstance(subProcessInstance);
// Initialize the new execution
subProcessInstance.setProcessDefinition((ProcessDefinitionImpl) processDefinition);
subProcessInstance.setProcessInstance(subProcessInstance);
Context.getCommandContext().getHistoryManager()
.recordSubProcessInstanceStart(this, subProcessInstance);
return subProcessInstance;
}
protected ExecutionEntity newExecution() {
ExecutionEntity newExecution = new ExecutionEntity();
newExecution.executions = new ArrayList();
Context
.getCommandContext()
.getDbSqlSession()
.insert(newExecution);
return newExecution;
}
// scopes ///////////////////////////////////////////////////////////////////
@SuppressWarnings("unchecked")
public void initialize() {
log.debug("initializing {}", this);
ScopeImpl scope = getScope();
ensureParentInitialized();
// initialize the lists of referenced objects (prevents db queries)
variableInstances = new HashMap();
eventSubscriptions = new ArrayList();
jobs = new ArrayList();
tasks = new ArrayList();
// Cached entity-state initialized to null, all bits are zore, indicating NO entities present
cachedEntityState = 0;
List timerDeclarations = (List) scope.getProperty(BpmnParse.PROPERTYNAME_TIMER_DECLARATION);
if (timerDeclarations!=null) {
for (TimerDeclarationImpl timerDeclaration : timerDeclarations) {
TimerEntity timer = timerDeclaration.prepareTimerEntity(this);
Context
.getCommandContext()
.getJobEntityManager()
.schedule(timer);
}
}
// create event subscriptions for the current scope
List eventSubscriptionDeclarations = (List) scope.getProperty(BpmnParse.PROPERTYNAME_EVENT_SUBSCRIPTION_DECLARATION);
if(eventSubscriptionDeclarations != null) {
for (EventSubscriptionDeclaration eventSubscriptionDeclaration : eventSubscriptionDeclarations) {
if(!eventSubscriptionDeclaration.isStartEvent()) {
EventSubscriptionEntity eventSubscriptionEntity = eventSubscriptionDeclaration.prepareEventSubscriptionEntity(this);
eventSubscriptionEntity.insert();
}
}
}
}
public void start() {
if(startingExecution == null && isProcessInstance()) {
startingExecution = new StartingExecution(processDefinition.getInitial());
}
performOperation(AtomicOperation.PROCESS_START);
}
public void destroy() {
log.debug("destroying {}", this);
ensureParentInitialized();
deleteVariablesInstanceForLeavingScope();
setScope(false);
}
/** removes an execution. if there are nested executions, those will be ended recursively.
* if there is a parent, this method removes the bidirectional relation
* between parent and this execution. */
public void end() {
isActive = false;
isEnded = true;
performOperation(AtomicOperation.ACTIVITY_END);
}
// // methods that translate to operations /////////////////////////////////////
//
// public void signal(String signalName, Object signalData) {
//// ensureActivityInitialized();
//// SignallableActivityBehavior activityBehavior = (SignallableActivityBehavior) activity.getActivityBehavior();
//// try {
//// activityBehavior.signal(this, signalName, signalData);
//// } catch (RuntimeException e) {
//// throw e;
//// } catch (Exception e) {
//// throw new PvmException("couldn't process signal '"+signalName+"' on activity '"+activity.getId()+"': "+e.getMessage(), e);
//// }
// signal(signalName, signalData,null);
// }
/**
* added by biaoping.yin
* @param signalName
* @param signalData
* @param destinationTaskKey
*/
public void signal(String signalName, Object signalData) {
ensureActivityInitialized();
SignallableActivityBehavior activityBehavior = (SignallableActivityBehavior) activity.getActivityBehavior();
try {
// activityBehavior.signal(this, signalName, signalData);
// if(destinationTaskKey == null || "".equals(destinationTaskKey))
// {
// activityBehavior.signal(this, signalName, signalData);
// }
// else
{
activityBehavior.signal(this, signalName, signalData);
}
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new PvmException("couldn't process signal '"+signalName+"' on activity '"+activity.getId()+"': "+e.getMessage(), e);
}
}
public void take(PvmTransition transition) {
if (this.transition!=null) {
throw new PvmException("already taking a transition");
}
if (transition==null) {
throw new PvmException("transition is null");
}
setActivity((ActivityImpl)transition.getSource());
// this.taskContext = null;
// this.bussinessop = null;
// this.bussinessRemark = null;
setTransition((TransitionImpl) transition);
performOperation(AtomicOperation.TRANSITION_NOTIFY_LISTENER_END);
}
public void executeActivity(PvmActivity activity) {
setActivity((ActivityImpl) activity);
performOperation(AtomicOperation.ACTIVITY_START);
}
public List findInactiveConcurrentExecutions(PvmActivity activity) {
List inactiveConcurrentExecutionsInActivity = new ArrayList();
List otherConcurrentExecutions = new ArrayList();
if (isConcurrent()) {
List< ? extends ActivityExecution> concurrentExecutions = getParent().getAllChildExecutions();
for (ActivityExecution concurrentExecution: concurrentExecutions) {
if (concurrentExecution.getActivity()==activity) {
if (!concurrentExecution.isActive()) {
inactiveConcurrentExecutionsInActivity.add(concurrentExecution);
}
} else {
otherConcurrentExecutions.add(concurrentExecution);
}
}
} else {
if (!isActive()) {
inactiveConcurrentExecutionsInActivity.add(this);
} else {
otherConcurrentExecutions.add(this);
}
}
if (log.isDebugEnabled()) {
log.debug("inactive concurrent executions in '{}': {}", activity, inactiveConcurrentExecutionsInActivity);
log.debug("other concurrent executions: {}", otherConcurrentExecutions);
}
return inactiveConcurrentExecutionsInActivity;
}
/**
* 驳回会签中的任务
*/
public List findInactiveConcurrentExecutions(PvmActivity activity,boolean isreject) {
List inactiveConcurrentExecutionsInActivity = new ArrayList();
List otherConcurrentExecutions = new ArrayList();
if (isConcurrent()) {//并行处理
List< ? extends ActivityExecution> concurrentExecutions = getParent().getAllChildExecutions();
for (ActivityExecution concurrentExecution: concurrentExecutions) {
if (concurrentExecution.getActivity()==activity) {
if (!concurrentExecution.isActive()) {
inactiveConcurrentExecutionsInActivity.add(concurrentExecution);
}
else if(isreject)
{
inactiveConcurrentExecutionsInActivity.add(concurrentExecution);
}
} else {//其他任务是否也需要考虑驳回的情况
otherConcurrentExecutions.add(concurrentExecution);
if(isreject)
{
inactiveConcurrentExecutionsInActivity.add(concurrentExecution);
}
}
}
} else {//串行处理，暂时不处理
if (!isActive()) {
inactiveConcurrentExecutionsInActivity.add(this);
} else {
otherConcurrentExecutions.add(this);
if(isreject)
{
inactiveConcurrentExecutionsInActivity.add(this);
}
}
}
if (log.isDebugEnabled()) {
log.debug("inactive concurrent executions in '{}': {}", activity, inactiveConcurrentExecutionsInActivity);
log.debug("other concurrent executions: {}", otherConcurrentExecutions);
}
return inactiveConcurrentExecutionsInActivity;
}
protected List getAllChildExecutions() {
List childExecutions = new ArrayList();
for (ExecutionEntity childExecution : getExecutions()) {
childExecutions.add(childExecution);
childExecutions.addAll(childExecution.getAllChildExecutions());
}
return childExecutions;
}
@SuppressWarnings({ "unchecked", "rawtypes" })
public void takeAll(List transitions, List recyclableExecutions) {
transitions = new ArrayList(transitions);
recyclableExecutions = (recyclableExecutions!=null ? new ArrayList(recyclableExecutions) : new ArrayList());
if (recyclableExecutions.size()>1) {
for (ActivityExecution recyclableExecution: recyclableExecutions) {
if (((ExecutionEntity)recyclableExecution).isScope()) {
throw new PvmException("joining scope executions is not allowed");
}
}
}
ExecutionEntity concurrentRoot = ((isConcurrent && !isScope) ? getParent() : this);
List concurrentActiveExecutions = new ArrayList();
List concurrentInActiveExecutions = new ArrayList();
for (ExecutionEntity execution: concurrentRoot.getExecutions()) {
if (execution.isActive()) {
concurrentActiveExecutions.add(execution);
} else {
concurrentInActiveExecutions.add(execution);
}
}
if (log.isDebugEnabled()) {
log.debug("transitions to take concurrent: {}", transitions);
log.debug("active concurrent executions: {}", concurrentActiveExecutions);
}
if ( (transitions.size()==1)
&& (concurrentActiveExecutions.isEmpty())
&& allExecutionsInSameActivity(concurrentInActiveExecutions)
) {
List recyclableExecutionImpls = (List) recyclableExecutions;
recyclableExecutions.remove(concurrentRoot);
for (ExecutionEntity prunedExecution: recyclableExecutionImpls) {
// End the pruned executions if necessary.
// Some recyclable executions are inactivated (joined executions)
// Others are already ended (end activities)
if (!prunedExecution.isEnded()) {
log.debug("pruning execution {}", prunedExecution);
prunedExecution.remove();
}
}
log.debug("activating the concurrent root {} as the single path of execution going forward", concurrentRoot);
concurrentRoot.setActive(true);
concurrentRoot.setActivity(activity);
concurrentRoot.setConcurrent(false);
concurrentRoot.take(transitions.get(0));
} else {
List outgoingExecutions = new ArrayList();
recyclableExecutions.remove(concurrentRoot);
log.debug("recyclable executions for reuse: {}", recyclableExecutions);
// first create the concurrent executions
while (!transitions.isEmpty()) {
PvmTransition outgoingTransition = transitions.remove(0);
ExecutionEntity outgoingExecution = null;
if (recyclableExecutions.isEmpty()) {
outgoingExecution = concurrentRoot.createExecution();
log.debug("new {} with parent {} created to take transition {}",
outgoingExecution, outgoingExecution.getParent(), outgoingTransition);
} else {
outgoingExecution = (ExecutionEntity) recyclableExecutions.remove(0);
log.debug("recycled {} to take transition {}", outgoingExecution, outgoingTransition);
}
outgoingExecution.setActive(true);
outgoingExecution.setScope(false);
outgoingExecution.setConcurrent(true);
outgoingExecution.setTransitionBeingTaken((TransitionImpl) outgoingTransition);
outgoingExecutions.add(new OutgoingExecution(outgoingExecution, outgoingTransition, true));
}
// prune the executions that are not recycled
for (ActivityExecution prunedExecution: recyclableExecutions) {
log.debug("pruning execution {}", prunedExecution);
prunedExecution.end();
}
// then launch all the concurrent executions
for (OutgoingExecution outgoingExecution: outgoingExecutions) {
outgoingExecution.take();
}
}
}
public void takeAll(List transitions, List recyclableExecutions,TaskContext taskContext) {
transitions = new ArrayList(transitions);
recyclableExecutions = (recyclableExecutions!=null ? new ArrayList(recyclableExecutions) : new ArrayList());
if (recyclableExecutions.size()>1) {
for (ActivityExecution recyclableExecution: recyclableExecutions) {
if (((ExecutionEntity)recyclableExecution).isScope()) {
throw new PvmException("joining scope executions is not allowed");
}
}
}
if(taskContext.getDestinationTaskKey() != null && !taskContext.getDestinationTaskKey().equals(""))
{
// prune the executions that are not recycled
for (ActivityExecution prunedExecution: recyclableExecutions) {
log.debug("pruning execution {}", prunedExecution);
if(!prunedExecution.isEnded())
prunedExecution.end();
}
ExecutionEntity concurrentRoot = null;
if(isConcurrent && !isScope )
{
concurrentRoot = getParent();
concurrentRoot.setDeleteReason(this.getDeleteReason());
concurrentRoot.setBussinessop(bussinessop);
concurrentRoot.setBussinessRemark(bussinessRemark);
concurrentRoot.setTaskContext(taskContext);
}
else
{
concurrentRoot = this;
}
// if((isConcurrent && !isScope))
// {
// concurrentRoot.setDeleteReason(this.getDeleteReason());
// }
TransitionImpl transition = ((ActivityImpl)concurrentRoot.getActivity()).createCustomOutgoingTransition(null, taskContext.getDestinationTaskKey());
concurrentRoot.setActive(true);
concurrentRoot.setActivity(activity);
concurrentRoot.setConcurrent(false);
concurrentRoot.take(transition);
}
else
{
// ExecutionEntity concurrentRoot = ((isConcurrent && !isScope) ? getParent() : this);
ExecutionEntity concurrentRoot = null;
if(isConcurrent && !isScope )
{
concurrentRoot = getParent();
concurrentRoot.setDeleteReason(this.getDeleteReason());
concurrentRoot.setBussinessop(bussinessop);
concurrentRoot.setBussinessRemark(bussinessRemark);
concurrentRoot.setTaskContext(taskContext);
}
else
{
concurrentRoot = this;
}
List concurrentActiveExecutions = new ArrayList();
List concurrentInActiveExecutions = new ArrayList();
for (ExecutionEntity execution: concurrentRoot.getExecutions()) {
if (execution.isActive()) {
concurrentActiveExecutions.add(execution);
} else {
concurrentInActiveExecutions.add(execution);
}
}
if (log.isDebugEnabled()) {
log.debug("transitions to take concurrent: {}", transitions);
log.debug("active concurrent executions: {}", concurrentActiveExecutions);
}
if ( (transitions.size()==1)
&& (concurrentActiveExecutions.isEmpty())
&& allExecutionsInSameActivity(concurrentInActiveExecutions)
) {
List recyclableExecutionImpls = (List) recyclableExecutions;
recyclableExecutions.remove(concurrentRoot);
for (ExecutionEntity prunedExecution: recyclableExecutionImpls) {
// End the pruned executions if necessary.
// Some recyclable executions are inactivated (joined executions)
// Others are already ended (end activities)
if (!prunedExecution.isEnded()) {
log.debug("pruning execution {}", prunedExecution);
prunedExecution.remove();
}
}
log.debug("activating the concurrent root {} as the single path of execution going forward", concurrentRoot);
concurrentRoot.setActive(true);
concurrentRoot.setActivity(activity);
concurrentRoot.setConcurrent(false);
concurrentRoot.take(transitions.get(0));
} else {
List outgoingExecutions = new ArrayList();
recyclableExecutions.remove(concurrentRoot);
log.debug("recyclable executions for reuse: {}", recyclableExecutions);
// first create the concurrent executions
while (!transitions.isEmpty()) {
PvmTransition outgoingTransition = transitions.remove(0);
ExecutionEntity outgoingExecution = null;
if (recyclableExecutions.isEmpty()) {
outgoingExecution = concurrentRoot.createExecution();
log.debug("new {} with parent {} created to take transition {}",
outgoingExecution, outgoingExecution.getParent(), outgoingTransition);
} else {
outgoingExecution = (ExecutionEntity) recyclableExecutions.remove(0);
log.debug("recycled {} to take transition {}", outgoingExecution, outgoingTransition);
}
outgoingExecution.setActive(true);
outgoingExecution.setScope(false);
outgoingExecution.setConcurrent(true);
outgoingExecution.setTransitionBeingTaken((TransitionImpl) outgoingTransition);
outgoingExecutions.add(new OutgoingExecution(outgoingExecution, outgoingTransition, true));
}
// prune the executions that are not recycled
for (ActivityExecution prunedExecution: recyclableExecutions) {
log.debug("pruning execution {}", prunedExecution);
prunedExecution.end();
}
// then launch all the concurrent executions
for (OutgoingExecution outgoingExecution: outgoingExecutions) {
outgoingExecution.take();
}
}
}
}
protected boolean allExecutionsInSameActivity(List executions) {
if (executions.size() > 1) {
String activityId = executions.get(0).getActivityId();
for (ExecutionEntity execution : executions) {
String otherActivityId = execution.getActivityId();
if (!execution.isEnded) {
if ( (activityId == null && otherActivityId != null)
|| (activityId != null && otherActivityId == null)
|| (activityId != null && otherActivityId!= null && !otherActivityId.equals(activityId))) {
return false;
}
}
}
}
return true;
}
public void performOperation(AtomicOperation executionOperation) {
if(executionOperation.isAsync(this)) {
scheduleAtomicOperationAsync(executionOperation);
} else {
performOperationSync(executionOperation);
}
}
protected void performOperationSync(AtomicOperation executionOperation) {
Context
.getCommandContext()
.performOperation(executionOperation, this);
}
protected void scheduleAtomicOperationAsync(AtomicOperation executionOperation) {
MessageEntity message = new MessageEntity();
message.setExecution(this);
message.setExclusive(getActivity().isExclusive());
message.setJobHandlerType(AsyncContinuationJobHandler.TYPE);
// At the moment, only AtomicOperationTransitionCreateScope can be performed asynchronously,
// so there is no need to pass it to the handler
Context
.getCommandContext()
.getJobEntityManager()
.send(message);
}
public boolean isActive(String activityId) {
return findExecution(activityId)!=null;
}
public void inactivate() {
this.isActive = false;
}
// executions ///////////////////////////////////////////////////////////////
/** ensures initialization and returns the non-null executions list */
public List getExecutions() {
ensureExecutionsInitialized();
return executions;
}
@SuppressWarnings({ "unchecked", "rawtypes" })
protected void ensureExecutionsInitialized() {
if (executions==null) {
this.executions = (List) Context
.getCommandContext()
.getExecutionEntityManager()
.findChildExecutionsByParentExecutionId(id);
}
}
public void setExecutions(List executions) {
this.executions = executions;
}
/** searches for an execution positioned in the given activity */
public ExecutionEntity findExecution(String activityId) {
if ( (getActivity()!=null)
&& (getActivity().getId().equals(activityId))
) {
return this;
}
for (ExecutionEntity nestedExecution : getExecutions()) {
ExecutionEntity result = nestedExecution.findExecution(activityId);
if (result != null) {
return result;
}
}
return null;
}
public List findActiveActivityIds() {
List activeActivityIds = new ArrayList();
collectActiveActivityIds(activeActivityIds);
return activeActivityIds;
}
protected void collectActiveActivityIds(List activeActivityIds) {
ensureActivityInitialized();
if (isActive && activity!=null) {
activeActivityIds.add(activity.getId());
}
ensureExecutionsInitialized();
for (ExecutionEntity execution: executions) {
execution.collectActiveActivityIds(activeActivityIds);
}
}
// bussiness key ////////////////////////////////////////////////////////////
public String getBusinessKey() {
return businessKey;
}
public void setBusinessKey(String businessKey) {
this.businessKey = businessKey;
}
public String getProcessBusinessKey() {
return getProcessInstance().getBusinessKey();
}
// process definition ///////////////////////////////////////////////////////
/** ensures initialization and returns the process definition. */
public ProcessDefinitionImpl getProcessDefinition() {
ensureProcessDefinitionInitialized();
return processDefinition;
}
public void setProcessDefinitionId(String processDefinitionId) {
this.processDefinitionId = processDefinitionId;
}
public String getProcessDefinitionId() {
return processDefinitionId;
}
/** for setting the process definition, this setter must be used as subclasses can override */
protected void ensureProcessDefinitionInitialized() {
if ((processDefinition == null) && (processDefinitionId != null)) {
ProcessDefinitionEntity deployedProcessDefinition = Context
.getProcessEngineConfiguration()
.getDeploymentManager()
.findDeployedProcessDefinitionById(processDefinitionId);
setProcessDefinition(deployedProcessDefinition);
}
}
public void setProcessDefinition(ProcessDefinitionImpl processDefinition) {
this.processDefinition = processDefinition;
this.processDefinitionId = processDefinition.getId();
}
// process instance /////////////////////////////////////////////////////////
/** ensures initialization and returns the process instance. */
public ExecutionEntity getProcessInstance() {
ensureProcessInstanceInitialized();
return processInstance;
}
protected void ensureProcessInstanceInitialized() {
if ((processInstance == null) && (processInstanceId != null)) {
processInstance = Context
.getCommandContext()
.getExecutionEntityManager()
.findExecutionById(processInstanceId);
}
}
public void setProcessInstance(InterpretableExecution processInstance) {
this.processInstance = (ExecutionEntity) processInstance;
if (processInstance != null) {
this.processInstanceId = this.processInstance.getId();
}
}
public boolean isProcessInstance() {
return parentId == null;
}
// activity /////////////////////////////////////////////////////////////////
/** ensures initialization and returns the activity */
public ActivityImpl getActivity() {
ensureActivityInitialized();
return activity;
}
/** must be called before the activity member field or getActivity() is called */
protected void ensureActivityInitialized() {
if ((activity == null) && (activityId != null)) {
activity = getProcessDefinition().findActivity(activityId);
}
}
public void setActivity(ActivityImpl activity) {
this.activity = activity;
if (activity != null) {
this.activityId = activity.getId();
this.activityName = (String) activity.getProperty("name");
} else {
this.activityId = null;
this.activityName = null;
}
}
// parent ///////////////////////////////////////////////////////////////////
/** ensures initialization and returns the parent */
public ExecutionEntity getParent() {
ensureParentInitialized();
return parent;
}
protected void ensureParentInitialized() {
if (parent == null && parentId != null) {
parent = Context
.getCommandContext()
.getExecutionEntityManager()
.findExecutionById(parentId);
}
}
public void setParent(InterpretableExecution parent) {
this.parent = (ExecutionEntity) parent;
if (parent != null) {
this.parentId = ((ExecutionEntity)parent).getId();
} else {
this.parentId = null;
}
}
// super- and subprocess executions /////////////////////////////////////////
public String getSuperExecutionId() {
return superExecutionId;
}
public ExecutionEntity getSuperExecution() {
ensureSuperExecutionInitialized();
return superExecution;
}
public void setSuperExecution(ExecutionEntity superExecution) {
this.superExecution = superExecution;
if (superExecution != null) {
superExecution.setSubProcessInstance(null);
}
if (superExecution != null) {
this.superExecutionId = ((ExecutionEntity)superExecution).getId();
} else {
this.superExecutionId = null;
}
}
protected void ensureSuperExecutionInitialized() {
if (superExecution == null && superExecutionId != null) {
superExecution = Context
.getCommandContext()
.getExecutionEntityManager()
.findExecutionById(superExecutionId);
}
}
public ExecutionEntity getSubProcessInstance() {
ensureSubProcessInstanceInitialized();
return subProcessInstance;
}
public void setSubProcessInstance(InterpretableExecution subProcessInstance) {
this.subProcessInstance = (ExecutionEntity) subProcessInstance;
}
protected void ensureSubProcessInstanceInitialized() {
if (subProcessInstance == null) {
subProcessInstance = Context
.getCommandContext()
.getExecutionEntityManager()
.findSubProcessInstanceBySuperExecutionId(id);
}
}
// scopes ///////////////////////////////////////////////////////////////////
protected ScopeImpl getScope() {
ScopeImpl scope = null;
if (isProcessInstance()) {
scope = getProcessDefinition();
} else {
scope = getActivity();
}
return scope;
}
public boolean isScope() {
return isScope;
}
public void setScope(boolean isScope) {
this.isScope = isScope;
}
// customized persistence behaviour /////////////////////////////////////////
public void remove() {
ensureParentInitialized();
if (parent!=null) {
parent.ensureExecutionsInitialized();
parent.executions.remove(this);
}
// delete all the variable instances
ensureVariableInstancesInitialized();
deleteVariablesInstanceForLeavingScope();
// delete all the tasks
removeTasks(this.deleteReason,this.bussinessop,this.bussinessRemark);
// remove all jobs
removeJobs();
// remove all event subscriptions for this scope, if the scope has event subscriptions:
removeEventSubscriptions();
// remove event scopes:
removeEventScopes();
// remove identity links
removeIdentityLinks();
this.taskContext = null;
// finally delete this execution
Context.getCommandContext()
.getDbSqlSession()
.delete(this);
}
public void destroyScope(String reason,String bussinessop,String bussinessRemark) {
if(log.isDebugEnabled()) {
log.debug("performing destroy scope behavior for execution {}", this);
}
// remove all child executions and sub process instances:
List executions = new ArrayList(getExecutions());
for (InterpretableExecution childExecution : executions) {
if (childExecution.getSubProcessInstance()!=null) {
childExecution.getSubProcessInstance().deleteCascade(reason, bussinessop, bussinessRemark);
}
childExecution.deleteCascade(reason, bussinessop, bussinessRemark);
}
removeTasks(reason, bussinessop, bussinessRemark);
removeJobs();
// Daniel thought this would be needed, but it seems not: removeEventSubscriptions();
}
private void removeEventScopes() {
List childExecutions = new ArrayList(getExecutions());
for (InterpretableExecution childExecution : childExecutions) {
if(childExecution.isEventScope()) {
log.debug("removing eventScope {}", childExecution);
childExecution.destroy();
childExecution.remove();
}
}
}
private void removeEventSubscriptions() {
for (EventSubscriptionEntity eventSubscription : getEventSubscriptions()) {
if (replacedBy != null) {
eventSubscription.setExecution((ExecutionEntity) replacedBy);
} else {
eventSubscription.delete();
}
}
}
private void removeJobs() {
for (Job job: getJobs()) {
if (replacedBy!=null) {
((JobEntity)job).setExecution((ExecutionEntity) replacedBy);
} else {
((JobEntity)job).delete();
}
}
}
private void removeTasks(String reason,String bussinessop,String bussinessRemark) {
if(this.deleteReason == null)
{
if(reason == null) {
reason = TaskEntity.DELETE_REASON_DELETED;
}
}
else
reason = deleteReason;
for (TaskEntity task : getTasks()) {
if (replacedBy!=null) {
if(task.getExecution() == null || task.getExecution() != replacedBy) {
// All tasks should have been moved when "replacedBy" has been set. Just in case tasks where added,
// wo do an additional check here and move it
task.setExecution(replacedBy);
this.replacedBy.addTask(task);
}
} else {
Context.getCommandContext()
.getTaskEntityManager()
.deleteTask(task, reason, false, bussinessop, bussinessRemark);
}
}
}
public ExecutionEntity getReplacedBy() {
return replacedBy;
}
@SuppressWarnings({ "unchecked", "rawtypes" })
public void setReplacedBy(InterpretableExecution replacedBy) {
this.replacedBy = (ExecutionEntity) replacedBy;
CommandContext commandContext = Context.getCommandContext();
DbSqlSession dbSqlSession = commandContext.getDbSqlSession();
// update the related tasks
for (TaskEntity task: getTasks()) {
task.setExecutionId(replacedBy.getId());
task.setExecution(this.replacedBy);
// update the related local task variables
List variables = (List) commandContext
.getVariableInstanceEntityManager()
.findVariableInstancesByTaskId(task.getId());
for (VariableInstanceEntity variable : variables) {
variable.setExecution(this.replacedBy);
}
this.replacedBy.addTask(task);
}
// All tasks have been moved to 'replacedBy', safe to clear the list
this.tasks.clear();
tasks = dbSqlSession.findInCache(TaskEntity.class);
for (TaskEntity task: tasks) {
if (id.equals(task.getExecutionId())) {
task.setExecutionId(replacedBy.getId());
}
}
// update the related jobs
List jobs = getJobs();
for (JobEntity job: jobs) {
job.setExecution((ExecutionEntity) replacedBy);
}
// update the related event subscriptions
List eventSubscriptions = getEventSubscriptions();
for (EventSubscriptionEntity subscriptionEntity: eventSubscriptions) {
subscriptionEntity.setExecution((ExecutionEntity) replacedBy);
}
// update the related process variables
List variables = (List) commandContext
.getVariableInstanceEntityManager()
.findVariableInstancesByExecutionId(id);
for (VariableInstanceEntity variable: variables) {
variable.setExecutionId(replacedBy.getId());
}
variables = dbSqlSession.findInCache(VariableInstanceEntity.class);
for (VariableInstanceEntity variable: variables) {
if (id.equals(variable.getExecutionId())) {
variable.setExecutionId(replacedBy.getId());
}
}
commandContext.getHistoryManager()
.recordExecutionReplacedBy(this, replacedBy);
}
// variables ////////////////////////////////////////////////////////////////
@Override
protected void initializeVariableInstanceBackPointer(VariableInstanceEntity variableInstance) {
variableInstance.setProcessInstanceId(processInstanceId);
variableInstance.setExecutionId(id);
}
@Override
protected List loadVariableInstances() {
return Context
.getCommandContext()
.getVariableInstanceEntityManager()
.findVariableInstancesByExecutionId(id);
}
@Override
protected VariableScopeImpl getParentVariableScope() {
return getParent();
}
/** used to calculate the sourceActivityExecution for method {@link #updateActivityInstanceIdInHistoricVariableUpdate(HistoricDetailVariableInstanceUpdateEntity, ExecutionEntity)} */
protected ExecutionEntity getSourceActivityExecution() {
return (activityId!=null ? this : null);
}
@Override
protected boolean isActivityIdUsedForDetails() {
return true;
}
// persistent state /////////////////////////////////////////////////////////
public Object getPersistentState() {
Map persistentState = new HashMap();
persistentState.put("processDefinitionId", this.processDefinitionId);
persistentState.put("businessKey", businessKey);
persistentState.put("activityId", this.activityId);
persistentState.put("isActive", this.isActive);
persistentState.put("isConcurrent", this.isConcurrent);
persistentState.put("isScope", this.isScope);
persistentState.put("isEventScope", this.isEventScope);
persistentState.put("parentId", parentId);
persistentState.put("superExecution", this.superExecutionId);
if (forcedUpdate) {
persistentState.put("forcedUpdate", Boolean.TRUE);
}
persistentState.put("suspensionState", this.suspensionState);
persistentState.put("cachedEntityState", this.cachedEntityState);
return persistentState;
}
public void insert() {
Context
.getCommandContext()
.getDbSqlSession()
.insert(this);
}
public void deleteCascade(String deleteReason,String bussinessop,String bussinessRemark) {
this.deleteReason = deleteReason;
this.deleteRoot = true;
this.bussinessop = bussinessop;
this.bussinessRemark = bussinessRemark;
// this.initializeLogs();
performOperation(AtomicOperation.DELETE_CASCADE);
}
public int getRevisionNext() {
return revision+1;
}
public void forceUpdate() {
this.forcedUpdate = true;
}
// process engine convience access /////////////////////////////////////////////////////////////////
public EngineServices getEngineServices() {
return Context.getProcessEngineConfiguration();
}
// toString /////////////////////////////////////////////////////////////////
public String toString() {
if (isProcessInstance()) {
return "ProcessInstance["+getToStringIdentity()+"]";
} else {
return (isConcurrent? "Concurrent" : "")+(isScope ? "Scope" : "")+"Execution["+getToStringIdentity()+"]";
}
}
protected String getToStringIdentity() {
return id;
}
// event subscription support //////////////////////////////////////////////
public List getEventSubscriptionsInternal() {
ensureEventSubscriptionsInitialized();
return eventSubscriptions;
}
public List getEventSubscriptions() {
return new ArrayList(getEventSubscriptionsInternal());
}
public List getCompensateEventSubscriptions() {
List eventSubscriptions = getEventSubscriptionsInternal();
List result = new ArrayList(eventSubscriptions.size());
for (EventSubscriptionEntity eventSubscriptionEntity : eventSubscriptions) {
if(eventSubscriptionEntity instanceof CompensateEventSubscriptionEntity) {
result.add((CompensateEventSubscriptionEntity) eventSubscriptionEntity);
}
}
return result;
}
public List getCompensateEventSubscriptions(String activityId) {
List eventSubscriptions = getEventSubscriptionsInternal();
List result = new ArrayList(eventSubscriptions.size());
for (EventSubscriptionEntity eventSubscriptionEntity : eventSubscriptions) {
if(eventSubscriptionEntity instanceof CompensateEventSubscriptionEntity) {
if(activityId.equals(eventSubscriptionEntity.getActivityId())) {
result.add((CompensateEventSubscriptionEntity) eventSubscriptionEntity);
}
}
}
return result;
}
protected void ensureEventSubscriptionsInitialized() {
if (eventSubscriptions == null) {
eventSubscriptions = Context.getCommandContext()
.getEventSubscriptionEntityManager()
.findEventSubscriptionsByExecution(id);
}
}
public void addEventSubscription(EventSubscriptionEntity eventSubscriptionEntity) {
getEventSubscriptionsInternal().add(eventSubscriptionEntity);
}
public void removeEventSubscription(EventSubscriptionEntity eventSubscriptionEntity) {
getEventSubscriptionsInternal().remove(eventSubscriptionEntity);
}
// referenced job entities //////////////////////////////////////////////////
@SuppressWarnings({ "unchecked", "rawtypes" })
protected void ensureJobsInitialized() {
if(jobs == null) {
jobs = (List)Context.getCommandContext()
.getJobEntityManager()
.findJobsByExecutionId(id);
}
}
protected List getJobsInternal() {
ensureJobsInitialized();
return jobs;
}
public List getJobs() {
return new ArrayList(getJobsInternal());
}
public void addJob(JobEntity jobEntity) {
getJobsInternal().add(jobEntity);
}
public void removeJob(JobEntity job) {
getJobsInternal().remove(job);
}
// referenced task entities ///////////////////////////////////////////////////
@SuppressWarnings({ "unchecked", "rawtypes" })
protected void ensureTasksInitialized() {
if(tasks == null) {
tasks = (List)Context.getCommandContext()
.getTaskEntityManager()
.findTasksByExecutionId(id);
}
}
protected List getTasksInternal() {
ensureTasksInitialized();
return tasks;
}
public List getTasks() {
return new ArrayList(getTasksInternal());
}
public void addTask(TaskEntity taskEntity) {
getTasksInternal().add(taskEntity);
}
public void removeTask(TaskEntity task) {
getTasksInternal().remove(task);
}
// identity links ///////////////////////////////////////////////////////////
public List getIdentityLinks() {
if (identityLinks == null) {
identityLinks = Context
.getCommandContext()
.getIdentityLinkEntityManager()
.findIdentityLinksByProcessInstanceId(id);
}
return identityLinks;
}
public IdentityLinkEntity addIdentityLink(String userId, String type) {
IdentityLinkEntity identityLinkEntity = IdentityLinkEntity.createAndInsert();
getIdentityLinks().add(identityLinkEntity);
identityLinkEntity.setProcessInstance(this);
identityLinkEntity.setUserId(userId);
identityLinkEntity.setType(type);
return identityLinkEntity;
}
/**
* Adds an IdentityLink for this user with the specified type,
* but only if the user is not associated with this instance yet.
**/
public IdentityLinkEntity involveUser(String userId, String type) {
for (IdentityLinkEntity identityLink : getIdentityLinks()) {
if (identityLink.getUserId().equals(userId)) {
return identityLink;
}
}
return addIdentityLink(userId, type);
}
public void removeIdentityLinks() {
Context
.getCommandContext()
.getIdentityLinkEntityManager()
.deleteIdentityLinksByProcInstance(id);
}
// getters and setters //////////////////////////////////////////////////////
public void setCachedEntityState(int cachedEntityState) {
this.cachedEntityState = cachedEntityState;
// Check for flags that are down. These lists can be safely initialized as empty, preventing
// additional queries that end up in an empty list anyway
if(jobs == null && !BitMaskUtil.isBitOn(cachedEntityState, JOBS_STATE_BIT)) {
jobs = new ArrayList();
}
if(tasks == null && !BitMaskUtil.isBitOn(cachedEntityState, TASKS_STATE_BIT)) {
tasks = new ArrayList();
}
if(eventSubscriptions == null && !BitMaskUtil.isBitOn(cachedEntityState, EVENT_SUBSCRIPTIONS_STATE_BIT)) {
eventSubscriptions = new ArrayList();
}
}
public int getCachedEntityState() {
cachedEntityState = 0;
// Only mark a flag as false when the list is not-null and empty. If null, we can't be sure there are no entries in it since
// the list hasn't been initialized/queried yet.
cachedEntityState = BitMaskUtil.setBit(cachedEntityState, TASKS_STATE_BIT, (tasks == null || tasks.size() > 0));
cachedEntityState = BitMaskUtil.setBit(cachedEntityState, EVENT_SUBSCRIPTIONS_STATE_BIT, (eventSubscriptions == null || eventSubscriptions.size() > 0));
cachedEntityState = BitMaskUtil.setBit(cachedEntityState, JOBS_STATE_BIT, (jobs == null || jobs.size() > 0));
return cachedEntityState;
}
public String getProcessInstanceId() {
return processInstanceId;
}
public String getParentId() {
return parentId;
}
public void setParentId(String parentId) {
this.parentId = parentId;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public int getRevision() {
return revision;
}
public void setRevision(int revision) {
this.revision = revision;
}
public String getActivityId() {
return activityId;
}
public TransitionImpl getTransition() {
return transition;
}
public void setTransition(TransitionImpl transition) {
this.transition = transition;
}
public TransitionImpl getTransitionBeingTaken() {
return transitionBeingTaken;
}
public void setTransitionBeingTaken(TransitionImpl transitionBeingTaken) {
this.transitionBeingTaken = transitionBeingTaken;
}
public Integer getExecutionListenerIndex() {
return executionListenerIndex;
}
public void setExecutionListenerIndex(Integer executionListenerIndex) {
this.executionListenerIndex = executionListenerIndex;
}
public boolean isConcurrent() {
return isConcurrent;
}
public void setConcurrent(boolean isConcurrent) {
this.isConcurrent = isConcurrent;
}
public boolean isActive() {
return isActive;
}
public void setActive(boolean isActive) {
this.isActive = isActive;
}
public boolean isEnded() {
return isEnded;
}
public String getEventName() {
return eventName;
}
public void setEventName(String eventName) {
this.eventName = eventName;
}
public PvmProcessElement getEventSource() {
return eventSource;
}
public void setEventSource(PvmProcessElement eventSource) {
this.eventSource = eventSource;
}
public String getDeleteReason() {
return deleteReason;
}
public void setDeleteReason(String deleteReason) {
this.deleteReason = deleteReason;
}
public boolean isDeleteRoot() {
return deleteRoot;
}
public int getSuspensionState() {
return suspensionState;
}
public void setSuspensionState(int suspensionState) {
this.suspensionState = suspensionState;
}
public boolean isSuspended() {
return suspensionState == SuspensionState.SUSPENDED.getStateCode();
}
public boolean isEventScope() {
return isEventScope;
}
public void setEventScope(boolean isEventScope) {
this.isEventScope = isEventScope;
}
public StartingExecution getStartingExecution() {
return startingExecution;
}
public void disposeStartingExecution() {
startingExecution = null;
}
public String getCurrentActivityId() {
return activityId;
}
public String getCurrentActivityName() {
return activityName;
}
@Override
public Date getTaskCreateTime() {
// TODO Auto-generated method stub
return null;
}
public void setTaskCreateTime(Date taskCreateTime) {
this.taskCreateTime = taskCreateTime;
}
private TaskContext taskContext;
@Override
public TaskContext getTaskContext() {
// TODO Auto-generated method stub
return taskContext;
}
@Override
public void setTaskContext(TaskContext taskContext) {
// TODO Auto-generated method stub
this.taskContext = taskContext;
}
public String getBussinessop() {
return bussinessop;
}
public void setBussinessop(String bussinessop) {
this.bussinessop = bussinessop;
}
public String getBussinessRemark() {
return bussinessRemark;
}
public void setBussinessRemark(String bussinessRemark) {
this.bussinessRemark = bussinessRemark;
}
@Override
public void removeBussinessLog() {
this.bussinessop = null;
this.bussinessRemark = null;
this.deleteReason = null;
this.deleteRoot =false;
// List executions = (List)((InterpretableExecution)this).getExecutions();
//
// if (executions.size()>0) {
//
// for(InterpretableExecution exe:executions)
// {
// exe.removeBussinessLog();
// }
// }
}
//public void initializeLogs() {
// List executions = (List)((InterpretableExecution)this).getExecutions();
//
// if (executions.size()>0) {
//
// for(InterpretableExecution exe:executions)
// {
// exe.setBussinessop(this.getBussinessop());
// exe.setBussinessRemark(this.getBussinessRemark());
// exe.setDeleteReason(this.getDeleteReason());
// exe.setDeleteRoot(this.deleteRoot);
// exe.initializeLogs();
// }
//
//
//
// }
//
//}
//
//public void setDeleteRoot(boolean deleteRoot) {
// this.deleteRoot = deleteRoot;
//}
}
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