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/*
* Copyright 2002-2018 the original author or authors.
*
* Licensed 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.springframework.messaging.core;
import java.util.Map;
import org.springframework.lang.Nullable;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessagingException;
/**
* Extends {@link MessageRequestReplyOperations} and adds operations for sending and
* receiving messages to and from a destination specified as a (resolvable) String name.
*
* @author Mark Fisher
* @author Rossen Stoyanchev
* @since 4.0
* @param the destination type
* @see DestinationResolver
*/
public interface DestinationResolvingMessageRequestReplyOperations extends MessageRequestReplyOperations {
/**
* Resolve the given destination name to a destination and send the given message,
* receive a reply and return it.
* @param destinationName the name of the target destination
* @param requestMessage the message to send
* @return the received message, possibly {@code null} if the message could not
* be received, for example due to a timeout
*/
@Nullable
Message sendAndReceive(String destinationName, Message requestMessage) throws MessagingException;
/**
* Resolve the given destination name, convert the payload request Object
* to serialized form, possibly using a
* {@link org.springframework.messaging.converter.MessageConverter},
* wrap it as a message and send it to the resolved destination, receive a reply
* and convert its body to the specified target class.
* @param destinationName the name of the target destination
* @param request the payload for the request message to send
* @param targetClass the target class to convert the payload of the reply to
* @return the converted payload of the reply message, possibly {@code null} if
* the message could not be received, for example due to a timeout
*/
@Nullable
T convertSendAndReceive(String destinationName, Object request, Class targetClass)
throws MessagingException;
/**
* Resolve the given destination name, convert the payload request Object
* to serialized form, possibly using a
* {@link org.springframework.messaging.converter.MessageConverter},
* wrap it as a message with the given headers and send it to the resolved destination,
* receive a reply and convert its body to the specified target class.
* @param destinationName the name of the target destination
* @param request the payload for the request message to send
* @param headers the headers for the request message to send
* @param targetClass the target class to convert the payload of the reply to
* @return the converted payload of the reply message, possibly {@code null} if
* the message could not be received, for example due to a timeout
*/
@Nullable
T convertSendAndReceive(String destinationName, Object request,
@Nullable Map headers, Class targetClass) throws MessagingException;
/**
* Resolve the given destination name, convert the payload request Object
* to serialized form, possibly using a
* {@link org.springframework.messaging.converter.MessageConverter},
* wrap it as a message, apply the given post process, and send the resulting
* message to the resolved destination, then receive a reply and convert its
* body to the specified target class.
* @param destinationName the name of the target destination
* @param request the payload for the request message to send
* @param targetClass the target class to convert the payload of the reply to
* @param requestPostProcessor post process for the request message
* @return the converted payload of the reply message, possibly {@code null} if
* the message could not be received, for example due to a timeout
*/
@Nullable
T convertSendAndReceive(String destinationName, Object request, Class targetClass,
@Nullable MessagePostProcessor requestPostProcessor) throws MessagingException;
/**
* Resolve the given destination name, convert the payload request Object
* to serialized form, possibly using a
* {@link org.springframework.messaging.converter.MessageConverter},
* wrap it as a message with the given headers, apply the given post process,
* and send the resulting message to the resolved destination, then receive
* a reply and convert its body to the specified target class.
* @param destinationName the name of the target destination
* @param request the payload for the request message to send
* @param headers the headers for the request message to send
* @param targetClass the target class to convert the payload of the reply to
* @param requestPostProcessor post process for the request message
* @return the converted payload of the reply message, possibly {@code null} if
* the message could not be received, for example due to a timeout
*/
@Nullable
T convertSendAndReceive(String destinationName, Object request, @Nullable Map headers,
Class targetClass, @Nullable MessagePostProcessor requestPostProcessor) throws MessagingException;
}
