/**
* 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.core.ivm;
import java.io.ObjectStreamException;
import javax.ejb.EJBHome;
import org.apache.openejb.DeploymentInfo;
import org.apache.openejb.BeanType;
import org.apache.openejb.core.ServerFederation;
import org.apache.openejb.spi.ApplicationServer;
import org.apache.openejb.util.proxy.ProxyManager;
public class IntraVmMetaData implements javax.ejb.EJBMetaData, java.io.Serializable {
protected Class homeClass;
protected Class remoteClass;
protected Class keyClass;
protected EJBHome homeStub;
protected BeanType type;
public IntraVmMetaData(Class homeInterface, Class remoteInterface, BeanType typeOfBean) {
this(homeInterface, remoteInterface, null, typeOfBean);
}
public IntraVmMetaData(Class homeInterface, Class remoteInterface, Class primaryKeyClass, BeanType typeOfBean) {
this.type = typeOfBean;
if (homeInterface == null || remoteInterface == null) {
throw new IllegalArgumentException();
}
if (typeOfBean.isEntity() && primaryKeyClass == null) {
throw new IllegalArgumentException("Entity beans must have a primary key class");
}
type = typeOfBean;
homeClass = homeInterface;
remoteClass = remoteInterface;
keyClass = primaryKeyClass;
}
public Class getHomeInterfaceClass() {
return homeClass;
}
public Class getRemoteInterfaceClass() {
return remoteClass;
}
public Class getPrimaryKeyClass() {
if (type.isEntity())
return keyClass;
else
throw new UnsupportedOperationException("Session objects are private resources and do not have primary keys");
}
public boolean isSession() {
return type.isSession();
}
public boolean isStatelessSession() {
return type == BeanType.STATELESS;
}
public void setEJBHome(EJBHome home) {
homeStub = home;
}
public javax.ejb.EJBHome getEJBHome() {
return homeStub;
}
protected Object writeReplace() throws ObjectStreamException {
/*
* If the meta data is being copied between bean instances in a RPC
* call we use the IntraVmArtifact
*/
if (IntraVmCopyMonitor.isIntraVmCopyOperation()) {
return new IntraVmArtifact(this);
/*
* If the meta data is referenced by a stateful bean that is being
* passivated by the container, we allow this object to be serialized.
*/
} else if (IntraVmCopyMonitor.isStatefulPassivationOperation()) {
return this;
/*
* If the proxy is being copied between class loaders
* we allow this object to be serialized.
*/
} else if (IntraVmCopyMonitor.isCrossClassLoaderOperation()) {
return this;
/*
* If the meta data is serialized outside the core container system,
* we allow the application server to handle it.
*/
} else {
BaseEjbProxyHandler handler = (BaseEjbProxyHandler) ProxyManager.getInvocationHandler(homeStub);
ApplicationServer applicationServer = ServerFederation.getApplicationServer();
return applicationServer.getEJBMetaData(handler.getProxyInfo());
}
}
}