org.springframework.statemachine.data

Class RepositoryStateMachinePersist<M extends RepositoryStateMachine,S,E>

java.lang.Object

org.springframework.statemachine.data.RepositoryStateMachinePersist<M,S,E>

Type Parameters:

S - the type of state

E - the type of event

M - the type of entity

All Implemented Interfaces:

StateMachinePersist<S,E,java.lang.Object>

Direct Known Subclasses:

JpaRepositoryStateMachinePersist, MongoDbRepositoryStateMachinePersist, RedisRepositoryStateMachinePersist

public abstract class RepositoryStateMachinePersist<M extends RepositoryStateMachine,S,E>
extends java.lang.Object
implements StateMachinePersist<S,E,java.lang.Object>

Base implementation of a StateMachinePersist using Spring Data Repositories.

Author:

Janne Valkealahti

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	RepositoryStateMachinePersist() Instantiates a new repository state machine persist.
protected	RepositoryStateMachinePersist(StateMachineSerialisationService<S,E> serialisationService) Instantiates a new repository state machine persist.

Method Summary

Modifier and Type	Method and Description
protected abstract M	build(StateMachineContext<S,E> context, java.lang.Object contextObj, byte[] serialisedContext) Builds the generic RepositoryStateMachine entity.
protected abstract StateMachineRepository<M>	getRepository() Gets the repository.
StateMachineContext<S,E>	read(java.lang.Object contextObj) Read a StateMachineContext from a persistent store with a context object T.
void	write(StateMachineContext<S,E> context, java.lang.Object contextObj) Write a StateMachineContext into a persistent store with a context object T.

Methods inherited from class java.lang.Object

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

Constructor Detail

RepositoryStateMachinePersist

protected RepositoryStateMachinePersist()

Instantiates a new repository state machine persist.

RepositoryStateMachinePersist

protected RepositoryStateMachinePersist(StateMachineSerialisationService<S,E> serialisationService)

Instantiates a new repository state machine persist.

Parameters:

serialisationService - the serialisation service

Method Detail

write

public void write(StateMachineContext<S,E> context,
                  java.lang.Object contextObj)
           throws java.lang.Exception

Description copied from interface: StateMachinePersist

Write a StateMachineContext into a persistent store with a context object T.

Specified by:

write in interface StateMachinePersist<S,E,java.lang.Object>

Parameters:

context - the context

contextObj - the context ojb

Throws:

java.lang.Exception - the exception

read

public StateMachineContext<S,E> read(java.lang.Object contextObj)
                              throws java.lang.Exception

Description copied from interface: StateMachinePersist

Read a StateMachineContext from a persistent store with a context object T.

Specified by:

read in interface StateMachinePersist<S,E,java.lang.Object>

Parameters:

contextObj - the context ojb

Returns:

the state machine context

Throws:

java.lang.Exception - the exception

getRepository

protected abstract StateMachineRepository<M> getRepository()

Gets the repository.

Returns:

the repository

build

protected abstract M build(StateMachineContext<S,E> context,
                           java.lang.Object contextObj,
                           byte[] serialisedContext)

Builds the generic RepositoryStateMachine entity.

Parameters:

context - the context

contextObj - the context obj

serialisedContext - the serialised context

Returns:

the repository state machine entity