001/* 002 * Copyright 2002-2018 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.messaging.core; 018 019import org.springframework.lang.Nullable; 020import org.springframework.messaging.Message; 021import org.springframework.messaging.MessagingException; 022 023/** 024 * Extends {@link MessageReceivingOperations} and adds operations for receiving messages 025 * from a destination specified as a (resolvable) String name. 026 * 027 * @author Mark Fisher 028 * @author Rossen Stoyanchev 029 * @since 4.0 030 * @param <D> the type of destination to receive messages from 031 * @see DestinationResolver 032 */ 033public interface DestinationResolvingMessageReceivingOperations<D> extends MessageReceivingOperations<D> { 034 035 /** 036 * Resolve the given destination name and receive a message from it. 037 * @param destinationName the destination name to resolve 038 */ 039 @Nullable 040 Message<?> receive(String destinationName) throws MessagingException; 041 042 /** 043 * Resolve the given destination name, receive a message from it, 044 * convert the payload to the specified target type. 045 * @param destinationName the destination name to resolve 046 * @param targetClass the target class for the converted payload 047 */ 048 @Nullable 049 <T> T receiveAndConvert(String destinationName, Class<T> targetClass) throws MessagingException; 050 051}