Package org.hibernate.testing.jta

Source Code of org.hibernate.testing.jta.TestingJtaPlatformImpl

/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2012, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors.  All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA  02110-1301  USA
*/
package org.hibernate.testing.jta;

import javax.transaction.Status;
import javax.transaction.TransactionManager;
import javax.transaction.TransactionSynchronizationRegistry;
import javax.transaction.UserTransaction;

import org.hibernate.engine.transaction.jta.platform.internal.AbstractJtaPlatform;
import org.hibernate.engine.transaction.jta.platform.internal.JtaSynchronizationStrategy;
import org.hibernate.engine.transaction.jta.platform.internal.SynchronizationRegistryAccess;
import org.hibernate.engine.transaction.jta.platform.internal.SynchronizationRegistryBasedSynchronizationStrategy;

import com.arjuna.ats.arjuna.common.ObjectStoreEnvironmentBean;
import com.arjuna.ats.internal.arjuna.objectstore.VolatileStore;
import com.arjuna.common.internal.util.propertyservice.BeanPopulator;

/**
* A test-specific implementation of the JtaPlatform contract for testing JTA-based functionality.
*
* @author Steve Ebersole
*/
public class TestingJtaPlatformImpl extends AbstractJtaPlatform {
  public static final TestingJtaPlatformImpl INSTANCE = new TestingJtaPlatformImpl();

  private final TransactionManager transactionManager;
  private final UserTransaction userTransaction;
  private final TransactionSynchronizationRegistry synchronizationRegistry;

  private final JtaSynchronizationStrategy synchronizationStrategy;

  public TestingJtaPlatformImpl() {
    BeanPopulator
        .getDefaultInstance( ObjectStoreEnvironmentBean.class )
        .setObjectStoreType( VolatileStore.class.getName() );

    BeanPopulator
        .getNamedInstance( ObjectStoreEnvironmentBean.class, "communicationStore" )
        .setObjectStoreType( VolatileStore.class.getName() );

    BeanPopulator
        .getNamedInstance( ObjectStoreEnvironmentBean.class, "stateStore" )
        .setObjectStoreType( VolatileStore.class.getName() );

    transactionManager = com.arjuna.ats.jta.TransactionManager.transactionManager();
    userTransaction = com.arjuna.ats.jta.UserTransaction.userTransaction();
    synchronizationRegistry =
        new com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionSynchronizationRegistryImple();

    synchronizationStrategy = new SynchronizationRegistryBasedSynchronizationStrategy(
        new SynchronizationRegistryAccess() {
          @Override
          public TransactionSynchronizationRegistry getSynchronizationRegistry() {
            return synchronizationRegistry;
          }
        }
    );
  }

  public static TransactionManager transactionManager() {
    return INSTANCE.retrieveTransactionManager();
  }

  public static UserTransaction userTransaction() {
    return INSTANCE.retrieveUserTransaction();
  }

  public static TransactionSynchronizationRegistry synchronizationRegistry() {
    return INSTANCE.synchronizationRegistry;
  }

  /**
   * Used by envers...
   */
  public static void tryCommit() throws Exception {
    if ( transactionManager().getStatus() == Status.STATUS_MARKED_ROLLBACK ) {
      transactionManager().rollback();
    }
    else {
      transactionManager().commit();
    }
  }

  @Override
  protected TransactionManager locateTransactionManager() {
    return transactionManager;
  }

  @Override
  protected boolean canCacheTransactionManager() {
    return true;
  }

  @Override
  protected UserTransaction locateUserTransaction() {
    return userTransaction;
  }

  @Override
  protected boolean canCacheUserTransaction() {
    return true;
  }

  @Override
  protected JtaSynchronizationStrategy getSynchronizationStrategy() {
    return synchronizationStrategy;
  }

}
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