/**
* 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.assembler.classic.EjbResolver;
import org.apache.openejb.loader.SystemInstance;
import org.apache.openejb.util.Messages;
import org.apache.openejb.spi.ContainerSystem;
import org.apache.openejb.DeploymentInfo;
import org.apache.openejb.InterfaceType;
import org.apache.openejb.core.ivm.naming.Reference;
import org.apache.openejb.core.ivm.naming.CrossClassLoaderJndiReference;
import org.apache.openejb.core.ivm.naming.IntraVmJndiReference;
import javax.naming.NamingException;
import javax.naming.NameNotFoundException;
import java.net.URI;
/**
* @version $Rev: 791660 $ $Date: 2009-07-06 17:31:49 -0700 (Mon, 06 Jul 2009) $
*/
public class LazyEjbReference extends Reference {
private static final Messages messages = new Messages(LazyEjbReference.class);
private final EjbResolver.Reference info;
private Reference reference;
private final URI moduleUri;
private final boolean useCrossClassLoaderRef;
public LazyEjbReference(EjbResolver.Reference info, URI moduleUri, boolean useCrossClassLoaderRef) {
super();
this.info = info;
this.moduleUri = moduleUri;
this.useCrossClassLoaderRef = useCrossClassLoaderRef;
}
public Object getObject() throws NamingException {
if (reference != null){
return reference.getObject();
}
SystemInstance systemInstance = SystemInstance.get();
EjbResolver resolver = systemInstance.getComponent(EjbResolver.class);
String deploymentId = resolver.resolve(info, moduleUri);
if (deploymentId == null) {
String key = "lazyEjbRefNotResolved";
if (info.getHome() != null){
key += ".home";
}
String message = messages.format(key, info.getName(), info.getEjbLink(), info.getHome(), info.getInterface());
throw new NameNotFoundException(message);
}
ContainerSystem containerSystem = systemInstance.getComponent(ContainerSystem.class);
DeploymentInfo deploymentInfo = containerSystem.getDeploymentInfo(deploymentId);
if (deploymentInfo == null) {
String message = messages.format("deploymentNotFound", info.getName(), deploymentId);
throw new NameNotFoundException(message);
}
InterfaceType type = null;
switch (info.getRefType()){
case LOCAL: type = InterfaceType.BUSINESS_LOCAL; break;
case REMOTE: type = InterfaceType.BUSINESS_REMOTE; break;
}
String jndiName = "openejb/Deployment/" + JndiBuilder.format(deploymentId, info.getInterface(), type);
if (useCrossClassLoaderRef && isRemote(deploymentInfo)) {
reference = new CrossClassLoaderJndiReference(jndiName);
} else {
reference = new IntraVmJndiReference(jndiName);
}
return reference.getObject();
}
private boolean isRemote(DeploymentInfo deploymentInfo) {
switch(info.getRefType()){
case REMOTE: return true;
case LOCAL: return false;
case UNKNOWN:{
for (Class clazz : deploymentInfo.getInterfaces(InterfaceType.BUSINESS_REMOTE)) {
if (clazz.getName().equals(info.getInterface())) return true;
}
};
default: return false;
}
}
}