/*
 * Copyright 2014-2019 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;

/**
 * An {@link AbstractRoutingConnectionFactory} implementation which gets a {@code lookupKey}
 * for current {@link ConnectionFactory} from thread-bound resource by key of the instance of
 * this {@link ConnectionFactory}.
 *
 * @author Artem Bilan
 * @author Gary Russell
 * @since 1.3
 */
public class SimpleRoutingConnectionFactory extends AbstractRoutingConnectionFactory {

	@Override
	@Nullable
	protected Object determineCurrentLookupKey() {
		return SimpleResourceHolder.get(this);
	}

}
