/*
* Copyright 2015 the original author or authors.
*
* 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.springframework.statemachine.persist;
import org.springframework.statemachine.StateMachineContext;
import org.springframework.statemachine.StateMachineContextRepository;
import org.springframework.statemachine.StateMachinePersist;
/**
* A {@link StateMachinePersist} using a generic {@link StateMachineContextRepository}
* for persisting {@link StateMachineContext}.
*
* @author Janne Valkealahti
*
* @param <S> the type of state
* @param <E> the type of event
*/
public class RepositoryStateMachinePersist<S, E> implements StateMachinePersist<S, E, String> {
private final StateMachineContextRepository<S, E, StateMachineContext<S,E>> repository;
/**
* Instantiates a new repository state machine persist.
*
* @param repository the repository
*/
public RepositoryStateMachinePersist(StateMachineContextRepository<S, E, StateMachineContext<S, E>> repository) {
this.repository = repository;
}
@Override
public void write(StateMachineContext<S, E> context, String contextObj) throws Exception {
repository.save(context, contextObj);
}
@Override
public StateMachineContext<S, E> read(String contextObj) throws Exception {
return repository.getContext(contextObj);
}
}