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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.qpid.management.messages;
import org.apache.qpid.management.Messages;
import org.apache.qpid.management.Names;
import org.apache.qpid.management.Protocol;
import org.apache.qpid.management.configuration.Configuration;
import org.apache.qpid.management.domain.model.QpidMethod;
import org.apache.qpid.management.domain.model.type.Binary;
import org.apache.qpid.transport.DeliveryProperties;
import org.apache.qpid.transport.Header;
import org.apache.qpid.transport.MessageProperties;
import org.apache.qpid.transport.ReplyTo;
import org.apache.qpid.transport.util.Logger;
/**
* Abstract representation of a method invocation request message.
* Concrete subclasses must supply the values needed to build & encode the message.
*
* @author Andrea Gazzarini
*/
public abstract class MethodInvocationRequestMessage extends ManagementMessage
{
private final static Logger LOGGER = Logger.get(MethodInvocationRequestMessage.class);
private DeliveryProperties _deliveryProperties;
private MessageProperties _messageProperties;
private Header _header;
/**
* Builds a new method invocation request message with the given target identifiers.
*
* @param bankId the bank identifier.
* @param brokerId the broker identifier.
*/
public MethodInvocationRequestMessage(long bankId, long brokerId)
{
ReplyTo replyTo=new ReplyTo();
replyTo.setRoutingKey(Configuration.getInstance().getMethodReplyQueueName());
_messageProperties = new MessageProperties();
_messageProperties.setReplyTo(replyTo);
String routingKey = String.format(Names.AGENT_ROUTING_KEY_PREFIX+"%s.%s", brokerId,bankId);
LOGGER.debug(Messages.QMAN_200032_COMMAND_MESSAGE_ROUTING_KEY, routingKey);
_deliveryProperties = new DeliveryProperties();
_deliveryProperties.setRoutingKey(routingKey);
_header = new Header(_deliveryProperties, _messageProperties);
}
@Override
char opcode ()
{
return Protocol.OPERATION_INVOCATION_REQUEST_OPCODE;
}
/**
* Returns the package name.
*
* @return the package name.
*/
protected abstract String packageName();
/**
* Returns the class name.
*
* @return the class name.
*/
protected abstract String className();
/**
* Returns the schema hash.
*
* @return the schema hash.
*/
protected abstract Binary schemaHash();
/**
* Returns the object identifier.
*
* @return the object identifier.
*/
protected abstract Binary objectId();
/**
* Returns the method to be invoked.
*
* @return the method to be invoked.
*/
protected abstract QpidMethod method();
/**
* Returns the parameters used for method invocation.
*
* @return the parameters used for method invocation.
*/
protected abstract Object[] parameters();
/**
* Returns the delivery properties of this message.
*
* @return the delivery properties of this message.
*/
public DeliveryProperties getDeliveryProperties ()
{
return _deliveryProperties;
}
/**
* Returns the header of this message.
*
* @return the header of this message.
*/
public Header getHeader ()
{
return _header;
}
/**
* Returns the messages header properties of this message.
*
* @return the message header properties of this message.
*/
public MessageProperties getMessageProperties ()
{
return _messageProperties;
}
@Override
void specificMessageEncoding ()
{
objectId().encode(_codec);
_codec.writeStr8(packageName());
_codec.writeStr8(className());
schemaHash().encode(_codec);
QpidMethod method = method();
_codec.writeStr8(method.getName());
method.encodeParameters(parameters(), _codec);
}
}
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