| /* |
| * 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.openejb.assembler.classic; |
| |
| import static org.apache.openejb.assembler.classic.MethodInfoUtil.resolveAttributes; |
| import static org.apache.openejb.assembler.classic.MethodInfoUtil.resolveViewAttributes; |
| |
| import org.apache.openejb.BeanContext; |
| import org.apache.openejb.core.transaction.TransactionType; |
| import org.apache.openejb.OpenEJBException; |
| import org.apache.openejb.util.Logger; |
| import org.apache.openejb.util.LogCategory; |
| |
| import java.util.List; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.lang.reflect.Method; |
| |
| /** |
| * @version $Rev: 1153797 $ $Date: 2011-08-04 02:09:44 -0700 (Thu, 04 Aug 2011) $ |
| */ |
| public class MethodTransactionBuilder { |
| |
| public static final Logger logger = Logger.getInstance(LogCategory.OPENEJB_STARTUP, MethodTransactionBuilder.class); |
| |
| public void build(HashMap<String, BeanContext> deployments, List<MethodTransactionInfo> methodTransactions) throws OpenEJBException { |
| for (BeanContext beanContext : deployments.values()) { |
| applyTransactionAttributes(beanContext, methodTransactions); |
| } |
| } |
| |
| public static void applyTransactionAttributes(BeanContext beanContext, List<MethodTransactionInfo> methodTransactionInfos) throws OpenEJBException { |
| |
| if (beanContext.isBeanManagedTransaction()) return; |
| |
| methodTransactionInfos = normalize(methodTransactionInfos); |
| |
| final Map<MethodInfoUtil.ViewMethod, MethodAttributeInfo> attributes = resolveViewAttributes(methodTransactionInfos, beanContext); |
| |
| Logger log = Logger.getInstance(LogCategory.OPENEJB_STARTUP.createChild("attributes"), MethodTransactionBuilder.class); |
| final boolean debug = log.isDebugEnabled(); |
| |
| for (Map.Entry<MethodInfoUtil.ViewMethod, MethodAttributeInfo> entry : attributes.entrySet()) { |
| final MethodInfoUtil.ViewMethod viewMethod = entry.getKey(); |
| final Method method = viewMethod.getMethod(); |
| final String view = viewMethod.getView(); |
| |
| MethodTransactionInfo transactionInfo = (MethodTransactionInfo) entry.getValue(); |
| |
| if (debug) log.debug("Transaction Attribute: " + method + " -- " + MethodInfoUtil.toString(transactionInfo)); |
| |
| beanContext.setMethodTransactionAttribute(method, TransactionType.get(transactionInfo.transAttribute), view); |
| } |
| } |
| |
| private static String getMethodInterface(MethodTransactionInfo value) { |
| // We can only do this because we have previously processed all the |
| // MethodTransactionInfo objects so there is one per method |
| // It makes code like this easier to handle |
| for (MethodInfo methodInfo : value.methods) { |
| return methodInfo.methodIntf; |
| } |
| |
| return null; |
| } |
| |
| /** |
| * This method splits the MethodTransactionInfo objects so that there is |
| * exactly one MethodInfo per MethodTransactionInfo. A single MethodTransactionInfo |
| * with three MethodInfos would be expanded into three MethodTransactionInfo with |
| * one MethodInfo each. |
| * |
| * The MethodTransactionInfo list is then sorted from least to most specific. |
| * |
| * @param infos |
| * @return a normalized list of new MethodTransactionInfo objects |
| */ |
| public static List<MethodTransactionInfo> normalize(List<MethodTransactionInfo> infos){ |
| List<MethodTransactionInfo> normalized = new ArrayList<MethodTransactionInfo>(); |
| for (MethodTransactionInfo oldInfo : infos) { |
| for (MethodInfo methodInfo : oldInfo.methods) { |
| MethodTransactionInfo newInfo = new MethodTransactionInfo(); |
| newInfo.description = oldInfo.description; |
| newInfo.methods.add(methodInfo); |
| newInfo.transAttribute = oldInfo.transAttribute; |
| |
| normalized.add(newInfo); |
| } |
| } |
| |
| Collections.reverse(normalized); |
| Collections.sort(normalized, new MethodTransactionComparator()); |
| |
| return normalized; |
| } |
| |
| public static class MethodTransactionComparator extends MethodInfoUtil.BaseComparator<MethodTransactionInfo> { |
| public int compare(MethodTransactionInfo a, MethodTransactionInfo b) { |
| return compare(a.methods.get(0), b.methods.get(0)); |
| } |
| } |
| } |