org.springframework.amqp.rabbit.connection.RoutingConnectionFactory.java Source code

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Here is the source code for org.springframework.amqp.rabbit.connection.RoutingConnectionFactory.java

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/*
 * Copyright 2015-2019 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
 *
 *      https://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.amqp.rabbit.connection;

import org.springframework.lang.Nullable;

/**
 * Implementations select a connection factory based on a supplied key.
 *
 * @author Gary Russell
 * @since 1.4.5
 *
 */
@FunctionalInterface
public interface RoutingConnectionFactory {

    /**
     * Returns the {@link ConnectionFactory} bound to given lookup key, or null if one does not exist.
     * @param key The lookup key to which the {@link ConnectionFactory} is bound
     * @return the {@link ConnectionFactory} bound to the given lookup key, or null if one does not exist
     */
    @Nullable
    ConnectionFactory getTargetConnectionFactory(Object key);

}