/*
* Copyright 2004-2015 the Seasar Foundation and the Others.
*
* 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.seasar.framework.container.factory.property;
import javax.persistence.PersistenceContext;
import org.seasar.framework.container.AccessTypeDef;
import org.seasar.framework.container.ComponentDef;
import org.seasar.framework.container.PropertyDef;
import org.seasar.framework.container.assembler.AccessTypeDefFactory;
import org.seasar.framework.jpa.impl.TxScopedEntityManagerProxy;
import org.seasar.framework.util.StringUtil;
/**
* {@link PersistenceContext}アノテーションを読み取り{@link PropertyDef}を作成するコンポーネントの実装クラスです。
*
* @author koichik
*/
public class PersistenceContextPropertyDefBuilder extends
AbstractPropertyDefBuilder<PersistenceContext> {
/**
* インスタンスを構築します。
*/
public PersistenceContextPropertyDefBuilder() {
}
@Override
protected Class<PersistenceContext> getAnnotationType() {
return PersistenceContext.class;
}
@Override
protected PropertyDef createPropertyDef(final String propertyName,
final AccessTypeDef accessTypeDef,
final PersistenceContext persistenceContext) {
final String name = persistenceContext.name();
if (!StringUtil.isEmpty(name)) {
// specified 'name' element (binding by name)
final ComponentDef emComponentDef = createComponentDef(TxScopedEntityManagerProxy.class);
final PropertyDef emfPropertyDef = createPropertyDef("emf",
AccessTypeDefFactory.FIELD, name);
emComponentDef.addPropertyDef(emfPropertyDef);
return createPropertyDef(propertyName, accessTypeDef,
emComponentDef);
}
final String unitName = persistenceContext.unitName();
if (!StringUtil.isEmpty(unitName)) {
// specified 'unitName' element
final ComponentDef emfComponentDef = PersistenceUnitPropertyDefBuilder
.createPersistenceUnitComponentDef(unitName);
final ComponentDef emComponentDef = createComponentDef(TxScopedEntityManagerProxy.class);
final PropertyDef emfPropertyDef = createPropertyDef("emf",
AccessTypeDefFactory.FIELD, emfComponentDef);
emComponentDef.addPropertyDef(emfPropertyDef);
return createPropertyDef(propertyName, accessTypeDef,
emComponentDef);
}
// not specified element (binding by type)
return createPropertyDef(propertyName, accessTypeDef);
}
}