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TransactionalSessionHandler.java
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TransactionalSessionHandler.java
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/*
* Copyright 2022 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.quarkus.runtime.transaction;
import static org.keycloak.services.resources.KeycloakApplication.getSessionFactory;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.KeycloakSessionFactory;
import org.keycloak.models.KeycloakTransactionManager;
/**
* <p>A {@link TransactionalSessionHandler} is responsible for managing transaction sessions and its lifecycle. Its subtypes
* are usually related to components available from the underlying stack that runs on top of the request processing chain
* as well as at the end in order to create transaction sessions and close them accordingly, respectively.
*/
public interface TransactionalSessionHandler {
/**
* Creates a transactional {@link KeycloakSession}.
*
* @return a transactional keycloak session
*/
default KeycloakSession create() {
KeycloakSessionFactory sessionFactory = getSessionFactory();
KeycloakSession session = sessionFactory.create();
KeycloakTransactionManager tx = session.getTransactionManager();
tx.begin();
return session;
}
/**
* Closes a transactional {@link KeycloakSession}.
*
* @param session a transactional session
*/
default void close(KeycloakSession session) {
if (session.isClosed()) {
return;
}
KeycloakTransactionManager tx = session.getTransactionManager();
try {
if (tx.isActive()) {
if (tx.getRollbackOnly()) {
tx.rollback();
} else {
tx.commit();
}
}
} finally {
session.close();
}
}
}