distributedlog-core/src/main/java/org/apache/distributedlog/injector/FailureInjector.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.distributedlog.injector;

/**
 * Failure injector.
 */
public interface FailureInjector {

    /**
     * No-op failure injector, which does nothing.
     */
    FailureInjector NULL = new FailureInjector() {
        @Override
        public void inject() {
            // no-op;
        }
    };

    // inject failures
    void inject();
}