/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* 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.keycloak.models.jpa;
import org.keycloak.migration.MigrationModel;
import org.keycloak.models.jpa.entities.MigrationModelEntity;
import javax.persistence.EntityManager;
/**
* @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
* @version $Revision: 1 $
*/
public class MigrationModelAdapter implements MigrationModel {
protected EntityManager em;
public MigrationModelAdapter(EntityManager em) {
this.em = em;
}
@Override
public String getStoredVersion() {
MigrationModelEntity entity = em.find(MigrationModelEntity.class, MigrationModelEntity.SINGLETON_ID);
if (entity == null) return null;
return entity.getVersion();
}
@Override
public void setStoredVersion(String version) {
MigrationModelEntity entity = em.find(MigrationModelEntity.class, MigrationModelEntity.SINGLETON_ID);
if (entity == null) {
entity = new MigrationModelEntity();
entity.setId(MigrationModelEntity.SINGLETON_ID);
entity.setVersion(version);
em.persist(entity);
} else {
entity.setVersion(version);
em.flush();
}
}
}