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org.apache.openjpa.persistence.EntityManagerFactoryImpl Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.openjpa.persistence;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import javax.persistence.Cache;
import javax.persistence.EntityGraph;
import javax.persistence.EntityManagerFactory;
import javax.persistence.PersistenceUnitUtil;
import javax.persistence.Query;
import javax.persistence.SynchronizationType;
import javax.persistence.spi.LoadState;
import org.apache.openjpa.conf.OpenJPAConfiguration;
import org.apache.openjpa.kernel.AutoDetach;
import org.apache.openjpa.kernel.Broker;
import org.apache.openjpa.kernel.BrokerFactory;
import org.apache.openjpa.kernel.DelegatingBrokerFactory;
import org.apache.openjpa.kernel.DelegatingFetchConfiguration;
import org.apache.openjpa.kernel.FetchConfiguration;
import org.apache.openjpa.lib.conf.Configurations;
import org.apache.openjpa.lib.conf.Value;
import org.apache.openjpa.lib.log.Log;
import org.apache.openjpa.lib.util.Closeable;
import org.apache.openjpa.lib.util.Localizer;
import org.apache.openjpa.lib.util.StringUtil;
import org.apache.openjpa.meta.MetaDataModes;
import org.apache.openjpa.meta.MetaDataRepository;
import org.apache.openjpa.meta.QueryMetaData;
import org.apache.openjpa.persistence.criteria.CriteriaBuilderImpl;
import org.apache.openjpa.persistence.criteria.OpenJPACriteriaBuilder;
import org.apache.openjpa.persistence.meta.MetamodelImpl;
import org.apache.openjpa.persistence.query.OpenJPAQueryBuilder;
import org.apache.openjpa.persistence.query.QueryBuilderImpl;
/**
* Implementation of {@link EntityManagerFactory} that acts as a
* facade to a {@link BrokerFactory}.
*
* @author Marc Prud'hommeaux
*/
public class EntityManagerFactoryImpl
implements OpenJPAEntityManagerFactory, OpenJPAEntityManagerFactorySPI,
Closeable, PersistenceUnitUtil {
private static final long serialVersionUID = 1L;
private static final Localizer _loc = Localizer.forPackage
(EntityManagerFactoryImpl.class);
private DelegatingBrokerFactory _factory = null;
private transient Constructor _plan = null;
private transient StoreCache _cache = null;
private transient QueryResultCache _queryCache = null;
private transient MetamodelImpl _metaModel;
private transient Map properties;
private transient Map emEmptyPropsProperties;
/**
* Default constructor provided for auto-instantiation.
*/
public EntityManagerFactoryImpl() {
}
/**
* Supply delegate on construction.
*/
public EntityManagerFactoryImpl(BrokerFactory factory) {
setBrokerFactory(factory);
}
/**
* Delegate.
*/
public BrokerFactory getBrokerFactory() {
return _factory.getDelegate();
}
/**
* Delegate must be provided before use.
*/
public void setBrokerFactory(BrokerFactory factory) {
_factory = new DelegatingBrokerFactory(factory,
PersistenceExceptions.TRANSLATOR);
}
@Override
public OpenJPAConfiguration getConfiguration() {
return _factory.getConfiguration();
}
@Override
public Map getProperties() {
if (properties == null) {
Map props = _factory.getProperties();
// convert to user readable values
if (emEmptyPropsProperties != null) {
props.putAll(emEmptyPropsProperties);
} else {
props.putAll(doCreateEM(SynchronizationType.SYNCHRONIZED, null, true).getProperties());
}
// no need to sync or volatile, worse case concurrent threads create 2 instances
// we just want to avoid to do it after some "init" phase
this.properties = props;
}
return properties;
}
@Override
public Object putUserObject(Object key, Object val) {
return _factory.putUserObject(key, val);
}
@Override
public Object getUserObject(Object key) {
return _factory.getUserObject(key);
}
@Override
public StoreCache getStoreCache() {
_factory.lock();
try {
if (_cache == null) {
OpenJPAConfiguration conf = _factory.getConfiguration();
_cache = new StoreCacheImpl(this,
conf.getDataCacheManagerInstance().getSystemDataCache());
}
return _cache;
} finally {
_factory.unlock();
}
}
@Override
public StoreCache getStoreCache(String cacheName) {
return new StoreCacheImpl(this, _factory.getConfiguration().
getDataCacheManagerInstance().getDataCache(cacheName, true));
}
@Override
public QueryResultCache getQueryResultCache() {
_factory.lock();
try {
if (_queryCache == null)
_queryCache = new QueryResultCacheImpl(_factory.
getConfiguration().getDataCacheManagerInstance().
getSystemQueryCache());
return _queryCache;
} finally {
_factory.unlock();
}
}
@Override
public OpenJPAEntityManagerSPI createEntityManager() {
return createEntityManager((Map) null);
}
@Override
public OpenJPAEntityManagerSPI createEntityManager(SynchronizationType synchronizationType) {
return createEntityManager(synchronizationType, null);
}
@Override
public OpenJPAEntityManagerSPI createEntityManager(Map props) {
return createEntityManager(SynchronizationType.SYNCHRONIZED, props);
}
/**
* Creates and configures a entity manager with the given properties.
*
* The property keys in the given map can be either qualified or not.
*
* @return list of exceptions raised or empty list.
*/
@Override
public OpenJPAEntityManagerSPI createEntityManager(SynchronizationType synchronizationType, Map props) {
return doCreateEM(synchronizationType, props, false);
}
private OpenJPAEntityManagerSPI doCreateEM(SynchronizationType synchronizationType,
Map props,
boolean byPassSynchronizeMappings) {
if (synchronizationType == null) {
throw new NullPointerException("SynchronizationType must not be null");
}
if (SynchronizationType.UNSYNCHRONIZED.equals(synchronizationType)) {
throw new UnsupportedOperationException("TODO - implement JPA 2.1 feature");
}
if (props == null) {
props = Collections.EMPTY_MAP;
}
else if (!props.isEmpty()) {
props = new HashMap(props);
}
boolean canCacheGetProperties = props.isEmpty(); // nominal case
OpenJPAConfiguration conf = getConfiguration();
Log log = conf.getLog(OpenJPAConfiguration.LOG_RUNTIME);
String user = (String) Configurations.removeProperty("ConnectionUserName", props);
if (user == null)
user = conf.getConnectionUserName();
String pass = (String) Configurations.removeProperty("ConnectionPassword", props);
if (pass == null)
pass = conf.getConnectionPassword();
String str = (String) Configurations.removeProperty("TransactionMode", props);
boolean managed;
if (str == null)
managed = conf.isTransactionModeManaged();
else {
Value val = conf.getValue("TransactionMode");
managed = Boolean.parseBoolean(val.unalias(str));
}
Object obj = Configurations.removeProperty("ConnectionRetainMode", props);
int retainMode;
if (obj instanceof Number) {
retainMode = ((Number) obj).intValue();
} else if (obj == null) {
retainMode = conf.getConnectionRetainModeConstant();
} else {
Value val = conf.getValue("ConnectionRetainMode");
try {
retainMode = Integer.parseInt(val.unalias((String) obj));
} catch (Exception e) {
throw new ArgumentException(_loc.get("bad-em-prop", "openjpa.ConnectionRetainMode", obj),
new Throwable[]{ e }, obj, true);
}
}
// javax.persistence.jtaDataSource and openjpa.ConnectionFactory name are equivalent.
// prefer javax.persistence for now.
String cfName = (String) Configurations.removeProperty("jtaDataSource", props);
if(cfName == null) {
cfName = (String) Configurations.removeProperty("ConnectionFactoryName", props);
}
String cf2Name = (String) Configurations.removeProperty("nonJtaDataSource", props);
if(cf2Name == null) {
cf2Name = (String) Configurations.removeProperty("ConnectionFactory2Name", props);
}
if (log != null && log.isTraceEnabled()) {
if(StringUtil.isNotEmpty(cfName)) {
log.trace("Found ConnectionFactoryName from props: " + cfName);
}
if(StringUtil.isNotEmpty(cf2Name)) {
log.trace("Found ConnectionFactory2Name from props: " + cf2Name);
}
}
validateCfNameProps(conf, cfName, cf2Name);
Broker broker = byPassSynchronizeMappings ?
conf.newBrokerInstance(user, pass) :
_factory.newBroker(user, pass, managed, retainMode, false, cfName, cf2Name);
// add autodetach for close and rollback conditions to the configuration
broker.setAutoDetach(AutoDetach.DETACH_CLOSE, true);
broker.setAutoDetach(AutoDetach.DETACH_ROLLBACK, true);
broker.setDetachedNew(false);
OpenJPAEntityManagerSPI em = newEntityManagerImpl(broker);
// allow setting of other bean properties of EM
if (!props.isEmpty()) {
Set entrySet = props.entrySet();
for (Map.Entry entry : entrySet) {
em.setProperty(entry.getKey().toString(), entry.getValue());
}
}
if (canCacheGetProperties) {
if (emEmptyPropsProperties == null) {
emEmptyPropsProperties = em.getProperties();
} else if (EntityManagerImpl.class.isInstance(em)) {
EntityManagerImpl.class.cast(em).setProperties(emEmptyPropsProperties);
}
}
if (log != null && log.isTraceEnabled()) {
log.trace(this + " created EntityManager " + em + ".");
}
return em;
}
/**
* Create a new entity manager around the given broker.
*/
protected EntityManagerImpl newEntityManagerImpl(Broker broker) {
return new EntityManagerImpl(this, broker);
}
@Override
public void addLifecycleListener(Object listener, Class... classes) {
_factory.addLifecycleListener(listener, classes);
}
@Override
public void removeLifecycleListener(Object listener) {
_factory.removeLifecycleListener(listener);
}
@Override
public void addTransactionListener(Object listener) {
_factory.addTransactionListener(listener);
}
@Override
public void removeTransactionListener(Object listener) {
_factory.removeTransactionListener(listener);
}
@Override
public void close() {
Log log = _factory.getConfiguration().getLog(OpenJPAConfiguration.LOG_RUNTIME);
if (log.isTraceEnabled()) {
log.trace(this + ".close() invoked.");
}
_factory.close();
}
@Override
public boolean isOpen() {
return !_factory.isClosed();
}
@Override
public int hashCode() {
return (_factory == null) ? 0 : _factory.hashCode();
}
@Override
public boolean equals(Object other) {
if (other == this)
return true;
if ((other == null) || (other.getClass() != this.getClass()))
return false;
if (_factory == null)
return false;
return _factory.equals(((EntityManagerFactoryImpl) other)._factory);
}
/**
* Create a store-specific facade for the given fetch configuration.
* If no facade class exists, we use the default {@link FetchPlan}.
*/
FetchPlan toFetchPlan(Broker broker, FetchConfiguration fetch) {
if (fetch == null)
return null;
if (fetch instanceof DelegatingFetchConfiguration)
fetch = ((DelegatingFetchConfiguration) fetch).
getInnermostDelegate();
try {
if (_plan == null) {
Class storeType = (broker == null) ? null : broker.
getStoreManager().getInnermostDelegate().getClass();
Class cls = _factory.getConfiguration().
getStoreFacadeTypeRegistry().
getImplementation(FetchPlan.class, storeType,
FetchPlanImpl.class);
_plan = cls.getConstructor(FetchConfiguration.class);
}
return _plan.newInstance(fetch);
} catch (InvocationTargetException ite) {
throw PersistenceExceptions.toPersistenceException
(ite.getTargetException());
} catch (Exception e) {
throw PersistenceExceptions.toPersistenceException(e);
}
}
@Override
public Cache getCache() {
_factory.assertOpen();
return getStoreCache();
}
@Override
public OpenJPACriteriaBuilder getCriteriaBuilder() {
return new CriteriaBuilderImpl().setMetaModel(getMetamodel());
}
@Override
public OpenJPAQueryBuilder getDynamicQueryBuilder() {
return new QueryBuilderImpl(this);
}
@Override
public Set getSupportedProperties() {
return _factory.getSupportedProperties();
}
@Override
public MetamodelImpl getMetamodel() {
if (_metaModel == null) {
MetaDataRepository mdr = getConfiguration().getMetaDataRepositoryInstance();
mdr.setValidate(MetaDataRepository.VALIDATE_RUNTIME, true);
mdr.setResolve(MetaDataModes.MODE_MAPPING_INIT, true);
_metaModel = new MetamodelImpl(mdr);
}
return _metaModel;
}
@Override
public PersistenceUnitUtil getPersistenceUnitUtil() {
return this;
}
@Override
public void addNamedQuery(String name, Query query) {
org.apache.openjpa.kernel.Query kernelQuery = ((QueryImpl)query).getDelegate();
MetaDataRepository metaDataRepositoryInstance = _factory.getConfiguration().getMetaDataRepositoryInstance();
QueryMetaData metaData = metaDataRepositoryInstance.newQueryMetaData(null, null);
metaData.setFrom(kernelQuery);
metaDataRepositoryInstance.addQueryMetaData(metaData);
}
@Override
public T unwrap(Class cls) {
if (cls.isInstance(this)) {
return cls.cast(this);
}
throw new javax.persistence.PersistenceException(this + " is not a " + cls);
}
@Override
public void addNamedEntityGraph(String graphName, EntityGraph entityGraph) {
throw new UnsupportedOperationException("JPA 2.1");
}
/**
* Get the identifier for the specified entity. If not managed by any
* of the em's in this PU or not persistence capable, return null.
*/
@Override
public Object getIdentifier(Object entity) {
return OpenJPAPersistenceUtil.getIdentifier(this, entity);
}
@Override
public boolean isLoaded(Object entity) {
return isLoaded(entity, null);
}
@Override
public boolean isLoaded(Object entity, String attribute) {
if (entity == null) {
return false;
}
return (OpenJPAPersistenceUtil.isManagedBy(this, entity) &&
(OpenJPAPersistenceUtil.isLoaded(entity, attribute) == LoadState.LOADED));
}
private void validateCfNameProps(OpenJPAConfiguration conf, String cfName, String cf2Name) {
if (StringUtil.isNotEmpty(cfName) || StringUtil.isNotEmpty(cf2Name)) {
if (conf.getDataCache() != "false" && conf.getDataCache() != null) {
throw new ArgumentException(_loc.get("invalid-cfname-prop", new Object[] {
"openjpa.DataCache (L2 Cache)",
cfName,
cf2Name }), null, null, true);
}
if (conf.getQueryCache() != "false" && conf.getQueryCache() != null) {
throw new ArgumentException(_loc.get("invalid-cfname-prop", new Object[] {
"openjpa.QueryCache",
cfName,
cf2Name }), null, null, true);
}
Object syncMap = conf.toProperties(false).get("openjpa.jdbc.SynchronizeMappings");
if(syncMap != null) {
throw new ArgumentException(_loc.get("invalid-cfname-prop", new Object[] {
"openjpa.jdbc.SynchronizeMappings",
cfName,
cf2Name }), null, null, true);
}
}
}
}
