dubbo-cluster-extensions/dubbo-cluster-specify-address-common/src/main/java/org/apache/dubbo/rpc/cluster/specifyaddress/UserSpecifiedAddressUtil.java

/*
 * 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.dubbo.rpc.cluster.specifyaddress;

import org.apache.dubbo.common.threadlocal.InternalThreadLocal;

public class UserSpecifiedAddressUtil {
    private static final InternalThreadLocal<Address> ADDRESS = new InternalThreadLocal<>();

    /**
     * Set specified address to next invoke
     *
     * @param address specified address
     */
    public static void setAddress(Address address) {
        ADDRESS.set(address);
    }

    public static Address getAddress() {
        try {
            return ADDRESS.get();
        } finally {
            // work once
            ADDRESS.remove();
        }
    }
}