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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.tuscany.sca.invocation;
import java.util.Map;
import org.apache.tuscany.sca.assembly.Endpoint;
import org.apache.tuscany.sca.assembly.EndpointReference;
import org.apache.tuscany.sca.interfacedef.Operation;
/**
* Represents a request, response, or exception flowing through a wire
*
* @version $Rev $Date$
* @tuscany.spi.extension.asclient
*/
public interface Message {
/**
* Returns the body of the message, which will be the payload or parameters associated with the wire
* @return The body of the message
*/
<T> T getBody();
/**
* Sets the body of the message.
* @param body The body of the message
*/
<T> void setBody(T body);
/**
* Get the end point reference of the source reference
* @return The end point reference of the reference originating the message
*/
EndpointReference getFrom();
/**
* Set the end point reference of the reference originating the message
* @param from The end point reference of the reference originating the message
*/
void setFrom(EndpointReference from);
/**
* Get the end point reference of target service
* @return The end point reference of the service that the message targets
*/
Endpoint getTo();
/**
* Set the end point reference of target service
* @param to The end point reference of the service that the message targets
*/
void setTo(Endpoint to);
/**
* Returns the id of the message
* @return The message Id
*/
Object getMessageID();
/**
* Sets the id of the message
* @param messageId The message ID
*/
void setMessageID(Object messageId);
/**
* Determines if the message represents a fault/exception
*
* @return true If the message body is a fault object, false if the body is a normal payload
*/
boolean isFault();
/**
* Set the message body with a fault object. After this method is called, isFault() returns true.
*
* @param fault The fault object represents an exception
*/
<T> void setFaultBody(T fault);
/**
* Returns the operation that created the message.
*
* @return The operation that created the message
*/
Operation getOperation();
/**
* Sets the operation that created the message.
*
* @param op The operation that created the message
*/
void setOperation(Operation op);
/**
* Returns a list of objects that are contained in the message header
*
* @return
*/
Map<String, Object> getHeaders();
/**
* Returns the binding context in force for this message
*/
<T> T getBindingContext();
/**
* Set the binding context that is in force for this message
* @param bindingContext
*/
<T> void setBindingContext(T bindingContext);
}
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