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/*
* 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.dubbo.rpc.protocol.rmi;
import org.apache.dubbo.common.utils.StringUtils;
import org.apache.dubbo.rpc.RpcContext;
import org.aopalliance.intercept.MethodInvocation;
import org.springframework.remoting.support.RemoteInvocation;
import java.lang.reflect.InvocationTargetException;
import java.util.HashMap;
import java.util.Map;
import static org.apache.dubbo.rpc.Constants.GENERIC_KEY;
public class RmiRemoteInvocation extends RemoteInvocation {
private static final long serialVersionUID = 1L;
private static final String DUBBO_ATTACHMENTS_ATTR_NAME = "dubbo.attachments";
/**
* executed on consumer side
*/
public RmiRemoteInvocation(MethodInvocation methodInvocation) {
super(methodInvocation);
addAttribute(DUBBO_ATTACHMENTS_ATTR_NAME, new HashMap<>(RpcContext.getContext().getObjectAttachments()));
}
/**
* Need to restore context on provider side (Though context will be overridden by Invocation's attachment
* when ContextFilter gets executed, we will restore the attachment when Invocation is constructed, check more
* from {@link org.apache.dubbo.rpc.proxy.InvokerInvocationHandler}
*/
@SuppressWarnings("unchecked")
@Override
public Object invoke(Object targetObject) throws NoSuchMethodException, IllegalAccessException,
InvocationTargetException {
RpcContext context = RpcContext.getContext();
context.setObjectAttachments((Map) getAttribute(DUBBO_ATTACHMENTS_ATTR_NAME));
String generic = (String) getAttribute(GENERIC_KEY);
if (StringUtils.isNotEmpty(generic)) {
context.setAttachment(GENERIC_KEY, generic);
}
try {
return super.invoke(targetObject);
} finally {
context.setObjectAttachments(null);
}
}
}