Package io.nflow.engine.internal.dao

Class WorkflowInstanceDao

java.lang.Object

io.nflow.engine.internal.dao.WorkflowInstanceDao

@Component
@Singleton
public class WorkflowInstanceDao
extends Object

Use setter injection because constructor injection may not work when nFlow is used in some legacy systems.

Constructor Summary

Constructors

Constructor	Description
WorkflowInstanceDao(SQLVariants sqlVariants, JdbcTemplate nflowJdbcTemplate, TransactionTemplate transactionTemplate, NamedParameterJdbcTemplate nflowNamedParameterJdbcTemplate, ExecutorDao executorDao, WorkflowInstanceExecutor workflowInstanceExecutor, WorkflowInstanceFactory workflowInstanceFactory, Environment env)

Method Summary

Modifier and Type	Method	Description
void	checkStateVariableValueLength(String name, String value)
void	clearExecutorId(List<Long> workflowInstances)
Optional<Integer>	getSignal(long workflowInstanceId)
WorkflowInstance	getWorkflowInstance(long id, Set<WorkflowInstanceInclude> includes, Long maxActions, boolean queryArchive)
String	getWorkflowInstanceState(long workflowInstanceId)
String	getWorkflowInstanceType(long workflowInstanceId)
long	insertWorkflowInstance(WorkflowInstance instance)
long	insertWorkflowInstanceAction(WorkflowInstanceAction action)
long	insertWorkflowInstanceAction(WorkflowInstance instance, WorkflowInstanceAction action)
List<Long>	pollNextWorkflowInstanceIds(int batchSize)
List<WorkflowInstance>	queryWorkflowInstances(QueryWorkflowInstances query)
Stream<WorkflowInstance>	queryWorkflowInstancesAsStream(QueryWorkflowInstances query)
void	recoverWorkflowInstancesFromDeadNodes()
boolean	setSignal(long workflowInstanceId, Optional<Integer> signal, String reason, WorkflowInstanceAction.WorkflowActionType actionType)
boolean	updateNotRunningWorkflowInstance(WorkflowInstance instance)
int	updateWorkflowInstance(WorkflowInstance instance)
void	updateWorkflowInstanceAfterExecution(WorkflowInstance instance, WorkflowInstanceAction action, List<WorkflowInstance> childWorkflows, List<WorkflowInstance> workflows, boolean createAction)
boolean	wakeUpWorkflowExternally(long workflowInstanceId, List<String> expectedStates)
boolean	wakeupWorkflowInstanceIfNotExecuting(long workflowInstanceId, List<String> expectedStates)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

WorkflowInstanceDao

@Inject
public WorkflowInstanceDao(SQLVariants sqlVariants,
 JdbcTemplate nflowJdbcTemplate,
 TransactionTemplate transactionTemplate,
 NamedParameterJdbcTemplate nflowNamedParameterJdbcTemplate,
 ExecutorDao executorDao,
 WorkflowInstanceExecutor workflowInstanceExecutor,
 WorkflowInstanceFactory workflowInstanceFactory,
 Environment env)

Method Details

insertWorkflowInstance

public long insertWorkflowInstance(WorkflowInstance instance)

updateWorkflowInstanceAfterExecution

public void updateWorkflowInstanceAfterExecution(WorkflowInstance instance,
 WorkflowInstanceAction action,
 List<WorkflowInstance> childWorkflows,
 List<WorkflowInstance> workflows,
 boolean createAction)

updateWorkflowInstance

public int updateWorkflowInstance(WorkflowInstance instance)

recoverWorkflowInstancesFromDeadNodes

public void recoverWorkflowInstancesFromDeadNodes()

checkStateVariableValueLength

public void checkStateVariableValueLength(String name,
 String value)

updateNotRunningWorkflowInstance

public boolean updateNotRunningWorkflowInstance(WorkflowInstance instance)

wakeUpWorkflowExternally

public boolean wakeUpWorkflowExternally(long workflowInstanceId,
 List<String> expectedStates)

wakeupWorkflowInstanceIfNotExecuting

public boolean wakeupWorkflowInstanceIfNotExecuting(long workflowInstanceId,
 List<String> expectedStates)

getWorkflowInstance

public WorkflowInstance getWorkflowInstance(long id,
 Set<WorkflowInstanceInclude> includes,
 Long maxActions,
 boolean queryArchive)

pollNextWorkflowInstanceIds

public List<Long> pollNextWorkflowInstanceIds(int batchSize)

clearExecutorId

public void clearExecutorId(List<Long> workflowInstances)

queryWorkflowInstances

public List<WorkflowInstance> queryWorkflowInstances(QueryWorkflowInstances query)

queryWorkflowInstancesAsStream

public Stream<WorkflowInstance> queryWorkflowInstancesAsStream(QueryWorkflowInstances query)

insertWorkflowInstanceAction

@Transactional(propagation=MANDATORY)
public long insertWorkflowInstanceAction(WorkflowInstance instance,
 WorkflowInstanceAction action)

insertWorkflowInstanceAction

public long insertWorkflowInstanceAction(WorkflowInstanceAction action)

getWorkflowInstanceState

public String getWorkflowInstanceState(long workflowInstanceId)

getSignal

public Optional<Integer> getSignal(long workflowInstanceId)

setSignal

@Transactional
public boolean setSignal(long workflowInstanceId,
 Optional<Integer> signal,
 String reason,
 WorkflowInstanceAction.WorkflowActionType actionType)

getWorkflowInstanceType

public String getWorkflowInstanceType(long workflowInstanceId)