dubbo-registry/dubbo-registry-api/src/main/java/com/alibaba/dubbo/registry/support/SkipFailbackWrapperException.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 com.alibaba.dubbo.registry.support;

/**
 * Wrapper Exception, it is used to indicate that {@link FailbackRegistry} skips Failback.
 * <p>
 * NOTE: Expect to find other more conventional ways of instruction.
 *
 * @see FailbackRegistry
 */
public class SkipFailbackWrapperException extends RuntimeException {
    public SkipFailbackWrapperException(Throwable cause) {
        super(cause);
    }

    @Override
    public synchronized Throwable fillInStackTrace() {
        // do nothing
        return null;
    }
}