| /* |
| * 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 org.apache.openejb.BeanContext; |
| import org.apache.openejb.util.Duration; |
| import org.apache.openejb.util.Logger; |
| import org.apache.openejb.util.LogCategory; |
| import org.apache.openejb.OpenEJBException; |
| import org.apache.openejb.MethodContext; |
| |
| import javax.ejb.LockType; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.concurrent.TimeUnit; |
| import java.lang.reflect.Method; |
| |
| /** |
| * @version $Rev: 1153797 $ $Date: 2011-08-04 09:09:44 +0000 (Thu, 04 Aug 2011) $ |
| */ |
| public class MethodConcurrencyBuilder { |
| |
| public static final Logger logger = Logger.getInstance(LogCategory.OPENEJB_STARTUP, MethodConcurrencyBuilder.class); |
| |
| public void build(HashMap<String, BeanContext> deployments, List<MethodConcurrencyInfo> methodConcurrencys) throws OpenEJBException { |
| for (BeanContext beanContext : deployments.values()) { |
| MethodConcurrencyBuilder.applyConcurrencyAttributes(beanContext, methodConcurrencys); |
| } |
| } |
| |
| public static void applyConcurrencyAttributes(BeanContext beanContext, List<MethodConcurrencyInfo> methodConcurrencyInfos) throws OpenEJBException { |
| |
| if (beanContext.isBeanManagedConcurrency()) return; |
| |
| Logger log = Logger.getInstance(LogCategory.OPENEJB_STARTUP.createChild("attributes"), MethodConcurrencyBuilder.class); |
| |
| List<MethodConcurrencyInfo> lockInfos = new ArrayList<MethodConcurrencyInfo>(); |
| List<MethodConcurrencyInfo> accessTimeoutInfos = new ArrayList<MethodConcurrencyInfo>(); |
| |
| MethodConcurrencyBuilder.normalize(methodConcurrencyInfos, lockInfos, accessTimeoutInfos); |
| |
| Map<Method, MethodAttributeInfo> attributes; |
| |
| // handle @Lock |
| attributes = MethodInfoUtil.resolveAttributes(lockInfos, beanContext); |
| |
| if (log.isDebugEnabled()) { |
| for (Map.Entry<Method, MethodAttributeInfo> entry : attributes.entrySet()) { |
| Method method = entry.getKey(); |
| MethodConcurrencyInfo value = (MethodConcurrencyInfo) entry.getValue(); |
| log.debug("Lock: " + method + " -- " + MethodInfoUtil.toString(value.methods.get(0)) + |
| " " + value.concurrencyAttribute); |
| } |
| } |
| |
| for (Map.Entry<Method, MethodAttributeInfo> entry : attributes.entrySet()) { |
| MethodConcurrencyInfo value = (MethodConcurrencyInfo) entry.getValue(); |
| MethodContext methodContext = beanContext.getMethodContext(entry.getKey()); |
| String s = value.concurrencyAttribute.toUpperCase(); |
| methodContext.setLockType(LockType.valueOf(s)); |
| } |
| |
| // handle @AccessTimeout |
| attributes = MethodInfoUtil.resolveAttributes(accessTimeoutInfos, beanContext); |
| |
| if (log.isDebugEnabled()) { |
| for (Map.Entry<Method, MethodAttributeInfo> entry : attributes.entrySet()) { |
| Method method = entry.getKey(); |
| MethodConcurrencyInfo value = (MethodConcurrencyInfo) entry.getValue(); |
| log.debug("AccessTimeout: " + method + " -- " + MethodInfoUtil.toString(value.methods.get(0)) + " " + |
| " " + value.accessTimeout.time + " " + value.accessTimeout.unit); |
| } |
| } |
| |
| for (Map.Entry<Method, MethodAttributeInfo> entry : attributes.entrySet()) { |
| MethodConcurrencyInfo value = (MethodConcurrencyInfo) entry.getValue(); |
| MethodContext methodContext = beanContext.getMethodContext(entry.getKey()); |
| Duration accessTimeout = new Duration(value.accessTimeout.time, TimeUnit.valueOf(value.accessTimeout.unit)); |
| methodContext.setAccessTimeout(accessTimeout); |
| } |
| } |
| |
| /** |
| * This method splits the MethodConcurrencyInfo objects so that there is |
| * exactly one MethodInfo per MethodConcurrencyInfo. A single MethodConcurrencyInfo |
| * with three MethodInfos would be expanded into three MethodConcurrencyInfo with |
| * one MethodInfo each. |
| * |
| * The MethodConcurrencyInfo list is then sorted from least to most specific. |
| * |
| * @param infos |
| * @return a normalized list of new MethodConcurrencyInfo objects |
| */ |
| public static void normalize(List<MethodConcurrencyInfo> infos, |
| List<MethodConcurrencyInfo> lockInfos, |
| List<MethodConcurrencyInfo> accessTimeoutInfos) { |
| for (MethodConcurrencyInfo oldInfo : infos) { |
| for (MethodInfo methodInfo : oldInfo.methods) { |
| MethodConcurrencyInfo newInfo = new MethodConcurrencyInfo(); |
| newInfo.description = oldInfo.description; |
| newInfo.methods.add(methodInfo); |
| newInfo.concurrencyAttribute = oldInfo.concurrencyAttribute; |
| newInfo.accessTimeout = oldInfo.accessTimeout; |
| |
| if (oldInfo.concurrencyAttribute != null) { |
| lockInfos.add(newInfo); |
| } |
| if (oldInfo.accessTimeout != null) { |
| accessTimeoutInfos.add(newInfo); |
| } |
| } |
| } |
| |
| Collections.reverse(lockInfos); |
| Collections.sort(lockInfos, new MethodConcurrencyBuilder.MethodConcurrencyComparator()); |
| |
| Collections.reverse(accessTimeoutInfos); |
| Collections.sort(accessTimeoutInfos, new MethodConcurrencyBuilder.MethodConcurrencyComparator()); |
| } |
| |
| public static class MethodConcurrencyComparator extends MethodInfoUtil.BaseComparator<MethodConcurrencyInfo> { |
| public int compare(MethodConcurrencyInfo a, MethodConcurrencyInfo b) { |
| return compare(a.methods.get(0), b.methods.get(0)); |
| } |
| } |
| } |