com.impetus.kundera.persistence.EntityManagerImpl Maven / Gradle / Ivy
/*******************************************************************************
* * Copyright 2012 Impetus Infotech.
* *
* * 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 com.impetus.kundera.persistence;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.persistence.EntityExistsException;
import javax.persistence.EntityGraph;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.EntityNotFoundException;
import javax.persistence.EntityTransaction;
import javax.persistence.FlushModeType;
import javax.persistence.LockModeType;
import javax.persistence.PersistenceContextType;
import javax.persistence.Query;
import javax.persistence.StoredProcedureQuery;
import javax.persistence.TransactionRequiredException;
import javax.persistence.TypedQuery;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaDelete;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.CriteriaUpdate;
import javax.persistence.metamodel.Metamodel;
import javax.persistence.spi.PersistenceUnitTransactionType;
import javax.transaction.UserTransaction;
import org.apache.commons.lang.NotImplementedException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.impetus.kundera.Constants;
import com.impetus.kundera.KunderaException;
import com.impetus.kundera.cache.Cache;
import com.impetus.kundera.client.Client;
import com.impetus.kundera.client.ClientResolverException;
import com.impetus.kundera.loader.ClientFactory;
import com.impetus.kundera.persistence.context.PersistenceCache;
import com.impetus.kundera.persistence.jta.KunderaJTAUserTransaction;
import com.impetus.kundera.query.KunderaTypedQuery;
import com.impetus.kundera.query.QueryImpl;
/**
* The Class EntityManagerImpl.
*
* @author animesh.kumar
*/
public class EntityManagerImpl implements EntityManager, ResourceManager
{
/** The Constant log. */
private static Logger logger = LoggerFactory.getLogger(EntityManagerImpl.class);
/** The factory. */
private final EntityManagerFactory factory;
/** The closed. */
private boolean closed;
/** Flush mode for this EM, default is AUTO. */
private FlushModeType flushMode = FlushModeType.AUTO;
/** Properties provided by user at the time of EntityManager Creation. */
private Map properties;
/** Properties provided by user at the time of EntityManager Creation. */
private final PersistenceDelegator persistenceDelegator;
/** Persistence Context Type (Transaction/ Extended) */
private final PersistenceContextType persistenceContextType;
/** Transaction Type (JTA/ RESOURCE_LOCAL) */
private final PersistenceUnitTransactionType transactionType;
private final PersistenceCache persistenceCache;
private UserTransaction utx;
private EntityTransaction entityTransaction;
/**
* Instantiates a new entity manager impl.
*
* @param factory
* the factory
* @param properties
* the properties
*/
EntityManagerImpl(final EntityManagerFactory factory, final Map properties, PersistenceUnitTransactionType transactionType,
final PersistenceContextType persistenceContextType)
{
this(factory, transactionType, persistenceContextType);
this.properties = properties;
getPersistenceDelegator().populateClientProperties(this.properties);
}
/**
* Instantiates a new entity manager impl.
*
* @param factory
* the factory
*/
EntityManagerImpl(final EntityManagerFactory factory, final PersistenceUnitTransactionType transactionType,
final PersistenceContextType persistenceContextType)
{
this.factory = factory;
if (logger.isDebugEnabled())
{
logger.debug("Creating EntityManager for persistence unit : " + getPersistenceUnit());
}
this.persistenceContextType = persistenceContextType;
this.persistenceCache = new PersistenceCache((Cache) factory.getCache());
this.persistenceCache.setPersistenceContextType(this.persistenceContextType);
this.transactionType = transactionType;
this.persistenceDelegator = new PersistenceDelegator(
((EntityManagerFactoryImpl) this.factory).getKunderaMetadataInstance(), this.persistenceCache);
for (String pu : ((EntityManagerFactoryImpl) this.factory).getPersistenceUnits())
{
this.persistenceDelegator.loadClient(pu, discoverClient(pu));
}
if (logger.isDebugEnabled())
{
logger.debug("Created EntityManager for persistence unit : " + getPersistenceUnit());
}
}
/**
* Make an instance managed and persistent.
*
* @param entity
* @throws EntityExistsException
* if the entity already exists. (If the entity already exists,
* the EntityExistsException may be thrown when the persist
* operation is invoked, or the EntityExistsException or another
* PersistenceException may be thrown at flush or commit time.)
* @throws IllegalArgumentException
* if the instance is not an entity
* @throws TransactionRequiredException
* if invoked on a container-managed entity manager of type
* PersistenceContextType.TRANSACTION and there is no
* transaction
*/
@Override
public final void persist(Object e)
{
checkClosed();
checkTransactionNeeded();
try
{
getPersistenceDelegator().persist(e);
}
catch (Exception ex)
{
// onRollBack.
doRollback();
throw new KunderaException(ex);
}
}
/**
* Merge the state of the given entity into the current persistence context.
*
* @param entity
* @return the managed instance that the state was merged to
* @throws IllegalArgumentException
* if instance is not an entity or is a removed entity
* @throws TransactionRequiredException
* if invoked on a container-managed entity manager of type
* PersistenceContextType.TRANSACTION and there is no
* transaction
* @see javax.persistence.EntityManager#merge(java.lang.Object)
*/
@Override
public final E merge(E e)
{
checkClosed();
checkTransactionNeeded();
try
{
return getPersistenceDelegator().merge(e);
}
catch (Exception ex)
{
// on Rollback
doRollback();
throw new KunderaException(ex);
}
}
/**
* Remove the entity instance.
*
* @param entity
* @throws IllegalArgumentException
* if the instance is not an entity or is a detached entity
* @throws TransactionRequiredException
* if invoked on a container-managed entity manager of type
* PersistenceContextType.TRANSACTION and there is no
* transaction
*/
@Override
public final void remove(Object e)
{
checkClosed();
checkTransactionNeeded();
try
{
getPersistenceDelegator().remove(e);
}
catch (Exception ex)
{
// on rollback.
doRollback();
throw new KunderaException(ex);
}
}
/**
* Find by primary key. Search for an entity of the specified class and
* primary key. If the entity instance is contained in the persistence
* context it is returned from there.
*
* @param entityClass
* @param primaryKey
* @return the found entity instance or null if the entity does not exist
* @throws IllegalArgumentException
* if the first argument does not denote an entity type or the
* second argument is is not a valid type for that entity’s
* primary key or is null
* @see javax.persistence.EntityManager#find(java.lang.Class,
* java.lang.Object)
*/
@Override
public final E find(Class entityClass, Object primaryKey)
{
checkClosed();
checkTransactionNeeded();
return getPersistenceDelegator().findById(entityClass, primaryKey);
}
/**
* Find by primary key, using the specified properties. Search for an entity
* of the specified class and primary key. If the entity instance is
* contained in the persistence context it is returned from there. If a
* vendor-specific property or hint is not recognized, it is silently
* ignored.
*
* @param entityClass
* @param primaryKey
* @param properties
* standard and vendor-specific properties and hints
* @return the found entity instance or null if the entity does not exist
* @throws IllegalArgumentException
* if the first argument does not denote an entity type or the
* second argument is is not a valid type for that entity’s
* primary key or is null
* @see javax.persistence.EntityManager#find(java.lang.Class,
* java.lang.Object, java.util.Map)
*/
@Override
public T find(Class entityClass, Object primaryKey, Map properties)
{
checkClosed();
checkTransactionNeeded();
// Store current properties in a variable for post-find reset
Map currentProperties = getProperties();
// Populate properties in client
getPersistenceDelegator().populateClientProperties(properties);
T result = find(entityClass, primaryKey);
// Reset Client properties
getPersistenceDelegator().populateClientProperties(currentProperties);
return result;
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#find(java.lang.Class,
* java.lang.Object, javax.persistence.LockModeType)
*/
@Override
public T find(Class paramClass, Object paramObject, LockModeType paramLockModeType)
{
checkClosed();
throw new NotImplementedException("Lock mode type currently not supported by Kundera");
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#find(java.lang.Class,
* java.lang.Object, javax.persistence.LockModeType, java.util.Map)
*/
@Override
public T find(Class arg0, Object arg1, LockModeType arg2, Map arg3)
{
checkClosed();
throw new NotImplementedException("Lock mode type currently not supported by Kundera");
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#clear()
*/
@Override
public final void clear()
{
checkClosed();
// TODO Do we need a client and persistenceDelegator close here?
if (!PersistenceUnitTransactionType.JTA.equals(this.transactionType))
{
getPersistenceDelegator().clear();
}
}
@Override
public final void close()
{
clear();
getPersistenceDelegator().close();
this.closed = true;
}
/**
* Check if the instance is a managed entity instance belonging to the
* current persistence context.
*
* @param entity
* @return boolean indicating if entity is in persistence context
* @throws IllegalArgumentException
* if not an entity
* @see javax.persistence.EntityManager#contains(java.lang.Object)
*/
@Override
public final boolean contains(Object entity)
{
checkClosed();
return getPersistenceDelegator().contains(entity);
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#createQuery(java.lang.String)
*/
@Override
public final Query createQuery(String query)
{
checkClosed();
checkTransactionNeeded();
return getPersistenceDelegator().createQuery(query);
}
@Override
public final void flush()
{
checkClosed();
getPersistenceDelegator().doFlush();
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#getDelegate()
*/
@Override
public final Object getDelegate()
{
checkClosed();
return getPersistenceDelegator().getDelegate();
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#createNamedQuery(java.lang.String)
*/
@Override
public final Query createNamedQuery(String name)
{
checkClosed();
checkTransactionNeeded();
return getPersistenceDelegator().createQuery(name);
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#createNativeQuery(java.lang.String)
*/
@Override
public final Query createNativeQuery(String sqlString)
{
checkClosed();
return getPersistenceDelegator().createQuery(sqlString, getPersistenceUnit());
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#createNativeQuery(java.lang.String,
* java.lang.Class)
*/
@Override
public final Query createNativeQuery(String sqlString, Class resultClass)
{
checkClosed();
checkTransactionNeeded();
return getPersistenceDelegator().createNativeQuery(sqlString, resultClass);
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#createNativeQuery(java.lang.String,
* java.lang.String)
*/
@Override
public final Query createNativeQuery(String sqlString, String resultSetMapping)
{
checkClosed();
throw new NotImplementedException("ResultSetMapping currently not supported by Kundera. "
+ "Please use createNativeQuery(String sqlString, Class resultClass) instead.");
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#getReference(java.lang.Class,
* java.lang.Object)
*/
@Override
public final T getReference(Class entityClass, Object primaryKey)
{
checkClosed();
throw new NotImplementedException("getReference currently not supported by Kundera");
}
@Override
public final FlushModeType getFlushMode()
{
checkClosed();
return this.flushMode;
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#getTransaction()
*/
@Override
public final EntityTransaction getTransaction()
{
checkClosed();
if (this.transactionType == PersistenceUnitTransactionType.JTA)
{
throw new IllegalStateException("A JTA EntityManager cannot use getTransaction()");
}
if (this.entityTransaction == null)
{
this.entityTransaction = new KunderaEntityTransaction(this);
}
return this.entityTransaction;
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#joinTransaction()
*/
@Override
public final void joinTransaction()
{
checkClosed();
if (this.utx != null)
{
return;
}
else
{
throw new TransactionRequiredException("No transaction in progress");
}
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#lock(java.lang.Object,
* javax.persistence.LockModeType)
*/
@Override
public final void lock(Object entity, LockModeType lockMode)
{
checkClosed();
throw new NotImplementedException("lock currently not supported by Kundera");
}
/**
* Refresh the state of the instance from the database, overwriting changes
* made to the entity, if any.
*
* @param entity
* @throws IllegalArgumentException
* if the instance is not an entity or the entity is not managed
* @throws TransactionRequiredException
* if invoked on a container-managed entity manager of type
* PersistenceContextType.TRANSACTION and there is no
* transaction
* @throws EntityNotFoundException
* if the entity no longer exists in the database
* @see javax.persistence.EntityManager#refresh(java.lang.Object)
*/
@Override
public final void refresh(Object entity)
{
checkClosed();
checkTransactionNeeded();
getPersistenceDelegator().refresh(entity);
}
/**
* Refresh the state of the instance from the database, using the specified
* properties, and overwriting changes made to the entity, if any. If a
* vendor-specific property or hint is not recognized, it is silently
* ignored.
*
* @param entity
* @param properties
* standard and vendor-specific properties and hints
* @throws IllegalArgumentException
* if the instance is not an entity or the entity is not managed
* @throws TransactionRequiredException
* if invoked on a container-managed entity manager of type
* PersistenceContextType.TRANSACTION and there is no
* transaction
* @throws EntityNotFoundException
* if the entity no longer exists in the database
* @see javax.persistence.EntityManager#refresh(java.lang.Object,
* java.util.Map)
*/
@Override
public void refresh(Object entity, Map properties)
{
checkClosed();
// Store current properties in a variable for post-find reset
Map currentProperties = getProperties();
// Populate properties in client
getPersistenceDelegator().populateClientProperties(properties);
// Refresh state of entity
refresh(entity);
// Reset Client properties
getPersistenceDelegator().populateClientProperties(currentProperties);
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#lock(java.lang.Object,
* javax.persistence.LockModeType, java.util.Map)
*/
@Override
public void lock(Object paramObject, LockModeType paramLockModeType, Map paramMap)
{
checkClosed();
throw new NotImplementedException("Lock currently not supported by Kundera.");
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#refresh(java.lang.Object,
* javax.persistence.LockModeType)
*/
@Override
public void refresh(Object paramObject, LockModeType paramLockModeType)
{
checkClosed();
throw new NotImplementedException("Lock mode type currently not supported by Kundera.");
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#refresh(java.lang.Object,
* javax.persistence.LockModeType, java.util.Map)
*/
@Override
public void refresh(Object paramObject, LockModeType paramLockModeType, Map paramMap)
{
checkClosed();
throw new NotImplementedException("LockModeType currently not supported by Kundera.");
}
/**
* Remove the given entity from the persistence context, causing a managed
* entity to become detached. Unflushed changes made to the entity if any
* (including removal of the entity), will not be synchronized to the
* database. Entities which previously referenced the detached entity will
* continue to reference it.
*
* @param entity
* @throws IllegalArgumentException
* if the instance is not an entity
* @see javax.persistence.EntityManager#detach(java.lang.Object)
*/
@Override
public void detach(Object entity)
{
checkClosed();
if (entity == null)
{
throw new IllegalArgumentException("Entity is null, can't detach it.");
}
getPersistenceDelegator().detach(entity);
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#getLockMode(java.lang.Object)
*/
@Override
public LockModeType getLockMode(Object paramObject)
{
checkClosed();
throw new NotImplementedException("Lock mode type currently not supported by Kundera.");
}
/**
* Set an entity manager property or hint. If a vendor-specific property or
* hint is not recognized, it is silently ignored.
*
* @param propertyName
* name of property or hint
* @param value
* @throws IllegalArgumentException
* if the second argument is not valid for the implementation
* @see javax.persistence.EntityManager#setProperty(java.lang.String,
* java.lang.Object)
*/
@Override
public void setProperty(String paramString, Object paramObject)
{
checkClosed();
if (getProperties() == null)
{
this.properties = new HashMap();
}
this.properties.put(paramString, paramObject);
getPersistenceDelegator().populateClientProperties(this.properties);
}
/*
* (non-Javadoc)
*
* @see
* javax.persistence.EntityManager#createQuery(javax.persistence.criteria
* .CriteriaQuery)
*/
@Override
public TypedQuery createQuery(CriteriaQuery paramCriteriaQuery)
{
checkClosed();
return this.createQuery(CriteriaQueryTranslator.translate(paramCriteriaQuery),
paramCriteriaQuery.getResultType());
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#createQuery(java.lang.String,
* java.lang.Class)
*/
@Override
public TypedQuery createQuery(String paramString, Class paramClass)
{
Query q = createQuery(paramString);
return onTypedQuery(paramClass, q);
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#createNamedQuery(java.lang.String,
* java.lang.Class)
*/
@Override
public TypedQuery createNamedQuery(String paramString, Class paramClass)
{
Query q = createNamedQuery(paramString);
return onTypedQuery(paramClass, q);
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#unwrap(java.lang.Class)
*/
@Override
public T unwrap(Class paramClass)
{
checkClosed();
throw new NotImplementedException("Unwrap currently not supported by Kundera");
}
@Override
public final void setFlushMode(FlushModeType flushMode)
{
checkClosed();
this.flushMode = flushMode;
getPersistenceDelegator().setFlushMode(flushMode);
}
/**
* Get the properties and hints and associated values that are in effect for
* the entity manager. Changing the contents of the map does not change the
* configuration in effect.
*
* @return map of properties and hints in effect
*/
@Override
public Map getProperties()
{
checkClosed();
return this.properties;
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#getEntityManagerFactory()
*/
@Override
public EntityManagerFactory getEntityManagerFactory()
{
checkClosed();
return this.factory;
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#getCriteriaBuilder()
*/
@Override
public CriteriaBuilder getCriteriaBuilder()
{
checkClosed();
return getEntityManagerFactory().getCriteriaBuilder();
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#getMetamodel()
*/
@Override
public Metamodel getMetamodel()
{
checkClosed();
return getEntityManagerFactory().getMetamodel();
}
/*
* (non-Javadoc)
*
* @see javax.persistence.EntityManager#isOpen()
*/
@Override
public final boolean isOpen()
{
return !closed;
}
/**
* Check closed.
*/
private void checkClosed()
{
if (!isOpen())
{
throw new IllegalStateException("EntityManager has already been closed.");
}
}
private void checkTransactionNeeded()
{
onLookUp(transactionType);
if ((getPersistenceContextType() != PersistenceContextType.TRANSACTION)
|| (getPersistenceDelegator().isTransactionInProgress()))
{
return;
}
throw new TransactionRequiredException(
"no transaction is in progress for a TRANSACTION type persistence context");
}
private void onLookUp(PersistenceUnitTransactionType transactionType)
{
// TODO transaction should not be null;
if (transactionType != null && transactionType.equals(PersistenceUnitTransactionType.JTA))
{
if (this.entityTransaction == null)
{
this.entityTransaction = new KunderaEntityTransaction(this);
}
Context ctx;
try
{
ctx = new InitialContext();
this.utx = (UserTransaction) ctx.lookup("java:comp/UserTransaction");
if (this.utx == null)
{
throw new KunderaException(
"Lookup for UserTransaction returning null for :{java:comp/UserTransaction}");
}
// TODO what is need to check?
if (!(this.utx instanceof KunderaJTAUserTransaction))
{
throw new KunderaException("Please bind [" + KunderaJTAUserTransaction.class.getName()
+ "] for :{java:comp/UserTransaction} lookup" + this.utx.getClass());
}
if (!this.entityTransaction.isActive())
{
this.entityTransaction.begin();
this.setFlushMode(FlushModeType.COMMIT);
((KunderaJTAUserTransaction) this.utx).setImplementor(this);
}
}
catch (NamingException e)
{
logger.error("Error during initialization of entity manager, Caused by:", e);
throw new KunderaException(e);
}
}
}
/**
* Returns Persistence unit (or comma separated units) associated with EMF.
*
* @return the persistence unit
*/
private String getPersistenceUnit()
{
return (String) getEntityManagerFactory().getProperties().get(Constants.PERSISTENCE_UNIT_NAME);
}
/**
* Gets the persistence delegator.
*
* @return the persistence delegator
*/
PersistenceDelegator getPersistenceDelegator()
{
checkClosed();
return this.persistenceDelegator;
}
/**
* @return the persistenceContextType
*/
private PersistenceContextType getPersistenceContextType()
{
return this.persistenceContextType;
}
/*
* (non-Javadoc)
*
* @see com.impetus.kundera.persistence.EntityImplementor#doCommit()
*/
@Override
public void doCommit()
{
checkClosed();
this.entityTransaction.commit();
}
/*
* (non-Javadoc)
*
* @see com.impetus.kundera.persistence.EntityImplementor#doRollback()
*/
@Override
public void doRollback()
{
checkClosed();
if (this.entityTransaction != null)
{
this.entityTransaction.rollback();
}
else
{
getPersistenceDelegator().rollback();
}
}
/**
* Validates if expected result class is matching with supplied one, else
* throws {@link IllegalArgumentException}
*
* @param
* object type
* @param paramClass
* expected result class
* @param q
* query
* @return typed query instance.
*/
private TypedQuery onTypedQuery(Class paramClass, Query q)
{
if (paramClass.equals(((QueryImpl) q).getKunderaQuery().getEntityClass()) || paramClass.equals(Object.class))
{
return new KunderaTypedQuery(q);
}
throw new IllegalArgumentException("Mismatch in expected return type. Expected:" + paramClass
+ " But actual class is:" + ((QueryImpl) q).getKunderaQuery().getEntityClass());
}
/**
* Gets the client.
*
* @param persistenceUnit
* the persistence unit
* @return the client
*/
private Client discoverClient(String persistenceUnit)
{
if (logger.isInfoEnabled())
{
logger.info("Returning client instance for persistence unit {}.", persistenceUnit);
}
ClientFactory clientFactory = ((EntityManagerFactoryImpl) getEntityManagerFactory())
.getClientFactory(persistenceUnit);
if (clientFactory != null)
{
return clientFactory.getClientInstance();
}
throw new ClientResolverException("No client configured for persistence unit " + persistenceUnit + ".");
}
@Override
public EntityGraph createEntityGraph(Class arg0)
{
// TODO Auto-generated method stub
return null;
}
@Override
public EntityGraph createEntityGraph(String arg0)
{
// TODO Auto-generated method stub
return null;
}
@Override
public StoredProcedureQuery createNamedStoredProcedureQuery(String arg0)
{
// TODO Auto-generated method stub
return null;
}
@Override
public Query createQuery(CriteriaUpdate arg0)
{
// TODO Auto-generated method stub
return null;
}
@Override
public Query createQuery(CriteriaDelete arg0)
{
// TODO Auto-generated method stub
return null;
}
@Override
public StoredProcedureQuery createStoredProcedureQuery(String arg0)
{
// TODO Auto-generated method stub
return null;
}
@Override
public StoredProcedureQuery createStoredProcedureQuery(String arg0, Class... arg1)
{
// TODO Auto-generated method stub
return null;
}
@Override
public StoredProcedureQuery createStoredProcedureQuery(String arg0, String... arg1)
{
// TODO Auto-generated method stub
return null;
}
@Override
public EntityGraph getEntityGraph(String arg0)
{
//TODO: See https://github.com/impetus-opensource/Kundera/issues/457
// Do nothing. Not yet implemented.
return null;
}
@Override
public List> getEntityGraphs(Class arg0)
{
//TODO: See https://github.com/impetus-opensource/Kundera/issues/457
// Do nothing. Not yet implemented.
return null;
}
@Override
public boolean isJoinedToTransaction()
{
//TODO: See https://github.com/impetus-opensource/Kundera/issues/457
// Do nothing. Not yet implemented.
return false;
}
}
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