/*
* 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.customizer;
import java.lang.reflect.Method;
import java.util.Map;
import javax.ejb.TransactionAttribute;
import javax.ejb.TransactionAttributeType;
import org.seasar.framework.container.ComponentDef;
import org.seasar.framework.container.factory.AspectDefFactory;
import org.seasar.framework.util.StringUtil;
import org.seasar.framework.util.tiger.CollectionsUtil;
/**
* @author koichik
*/
public class TxAttributeCustomizer extends AbstractCustomizer {
/** トランザクション属性に対応するインターセプタ名の<code>Map</code> */
protected static final Map<TransactionAttributeType, String> txInterceptors = CollectionsUtil
.newHashMap();
static {
txInterceptors.put(TransactionAttributeType.MANDATORY,
"j2ee.mandatoryTx");
txInterceptors
.put(TransactionAttributeType.REQUIRED, "j2ee.requiredTx");
txInterceptors.put(TransactionAttributeType.REQUIRES_NEW,
"j2ee.requiresNewTx");
txInterceptors.put(TransactionAttributeType.NOT_SUPPORTED,
"j2ee.notSupportedTx");
txInterceptors.put(TransactionAttributeType.NEVER, "j2ee.neverTx");
}
/** デフォルトのトランザクション属性 */
protected TransactionAttributeType defaultAttributeType = TransactionAttributeType.REQUIRED;
/**
* インスタンスを構築します。
*/
public TxAttributeCustomizer() {
}
/**
* デフォルトのトランザクション属性を設定します。
*
* @param defaultAttributeType
* デフォルトのトランザクション属性
*/
public void setDefaultAttributeType(
final TransactionAttributeType defaultAttributeType) {
this.defaultAttributeType = defaultAttributeType;
}
@Override
protected void doCustomize(final ComponentDef componentDef) {
final Class<?> componentClass = componentDef.getComponentClass();
final TransactionAttribute classAttribute = componentClass
.getAnnotation(TransactionAttribute.class);
final TransactionAttributeType classAttributeType = classAttribute != null ? classAttribute
.value()
: defaultAttributeType;
for (final Method method : componentClass.getMethods()) {
if (method.isSynthetic() || method.isBridge()) {
continue;
}
if (method.getDeclaringClass() == Object.class) {
continue;
}
final TransactionAttribute methodAttribute = method
.getAnnotation(TransactionAttribute.class);
final TransactionAttributeType methodAttributeType = methodAttribute != null ? methodAttribute
.value()
: classAttributeType;
final String interceptorName = txInterceptors
.get(methodAttributeType);
if (!StringUtil.isEmpty(interceptorName)) {
componentDef.addAspectDef(AspectDefFactory.createAspectDef(
interceptorName, method));
}
}
}
}