From e5b7380c874745c989d1816b8f552504f038e1bc Mon Sep 17 00:00:00 2001 From: lresende Date: Thu, 26 Sep 2013 20:33:20 +0000 Subject: 2.0 branch for possible maintenance release git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1526672 13f79535-47bb-0310-9956-ffa450edef68 --- .../java/impl/JavaInterfaceFactoryImpl.java | 162 +++++++++++++++++++++ 1 file changed, 162 insertions(+) create mode 100644 sca-java-2.x/branches/2.0/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceFactoryImpl.java (limited to 'sca-java-2.x/branches/2.0/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceFactoryImpl.java') diff --git a/sca-java-2.x/branches/2.0/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceFactoryImpl.java b/sca-java-2.x/branches/2.0/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceFactoryImpl.java new file mode 100644 index 0000000000..21c21e075d --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaInterfaceFactoryImpl.java @@ -0,0 +1,162 @@ +/* + * 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.tuscany.sca.interfacedef.java.impl; + +import java.lang.reflect.Method; +import java.util.ArrayList; +import java.util.Collections; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.WeakHashMap; + +import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; +import org.apache.tuscany.sca.interfacedef.java.JavaOperation; +import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor; +import org.oasisopen.sca.ServiceRuntimeException; + +/** + * A factory for the Java model. + * + * @version $Rev$ $Date$ + */ +public abstract class JavaInterfaceFactoryImpl implements JavaInterfaceFactory { + + private List visitors = new ArrayList(); + private JavaInterfaceIntrospectorImpl introspector; + private Map, JavaInterface> normalCache = Collections.synchronizedMap(new WeakHashMap, JavaInterface>()); + private Map, JavaInterface> forceRemotableCache = Collections.synchronizedMap(new WeakHashMap, JavaInterface>()); + + public JavaInterfaceFactoryImpl() { + introspector = new JavaInterfaceIntrospectorImpl(this); + } + + public JavaInterface createJavaInterface() { + return new JavaInterfaceImpl(); + } + + public JavaInterface createJavaInterface(Class interfaceClass) throws InvalidInterfaceException { + return createJavaInterface(interfaceClass, false); + } + + /** + * Creates a new Java interface model from an interface class. + * + * The forceRemotable argument allows the caller to force the interface to be remotable. + * The ServiceProcessor and ReferenceProcessor introspectors use this argument to + * propagate a @Remotable annotation on an implementation class, field, or setter method + * to the corresponding service or reference interface. The remotable flag must be set + * on the interface model prior to instrospection since some introspectors build + * different models for remotable vs local interfaces. This also means separate caches + * must be kept for interfaces that are processed normally vs. those forced to be remotable. + */ + public JavaInterface createJavaInterface(Class interfaceClass, boolean forceRemotable) throws InvalidInterfaceException { + // TODO: Review if the sharing of JavaInterface is ok + synchronized (interfaceClass) { + Map, JavaInterface> cache = (forceRemotable ? forceRemotableCache : normalCache); + JavaInterface javaInterface = cache.get(interfaceClass); + if (javaInterface == null) { + javaInterface = createJavaInterface(); + if (forceRemotable) { + javaInterface.setRemotable(true); + } + introspector.introspectInterface(javaInterface, interfaceClass); + // Now that all introspection is complete we can mark the interface resolved + javaInterface.setUnresolved(false); + cache.put(interfaceClass, javaInterface); + } + return javaInterface; + } + } + + public void createJavaInterface(JavaInterface javaInterface, Class interfaceClass) throws InvalidInterfaceException { + introspector.introspectInterface(javaInterface, interfaceClass); + } + + public JavaInterfaceContract createJavaInterfaceContract() { + return new JavaInterfaceContractImpl(); + } + + public void addInterfaceVisitor(JavaInterfaceVisitor extension) { + visitors.add(extension); + } + + public void removeInterfaceVisitor(JavaInterfaceVisitor extension) { + visitors.remove(extension); + } + + public List getInterfaceVisitors() { + return visitors; + } + + public JavaOperation createJavaOperation(Method method) { + JavaOperation op = new JavaOperationImpl(); + op.setJavaMethod(method); + op.setName(method.getName()); + return op; + } + + /** + * Removes all the cached information relating to a contribution. The + * contribution is identified by the contribution classloader passed in + * as a parameter. This is used when a contribution is removed from + * the runtime. + * + * @param contributionClassloader + */ + public void removeInterfacesForContribution(ClassLoader contributionClassloader){ + removeInterfacesFromCache(contributionClassloader, normalCache); + removeInterfacesFromCache(contributionClassloader, forceRemotableCache); + } + + private void removeInterfacesFromCache(ClassLoader contributionClassloader, Map, JavaInterface> cache){ + try { + synchronized(cache) { + Set> clsSet = cache.keySet(); + Iterator> i = clsSet.iterator(); + while (i.hasNext()) { + Class cls = i.next(); + if (cls.getClassLoader() == contributionClassloader) { + i.remove(); + } + } + } + } catch(Exception e) { + throw new ServiceRuntimeException(e); + } + } + + /** + * For testing so we can check that the cache is being cleared + */ + public Map, JavaInterface> getNormalCache(){ + return normalCache; + } + + /** + * For testing so we can check that the cache is being cleared + */ + public Map, JavaInterface> getForceRemotableCache(){ + return forceRemotableCache; + } +} -- cgit v1.2.3