IOCallback.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.activemq.artemis.core.io;

/**
 * The interface used for AIO Callbacks.
 */
public interface IOCallback {

   /**
    * Method for sync notifications. When this callback method is called, there is a guarantee the data is written on the disk.
    * <br><b>Note:</b><i>Leave this method as soon as possible, or you would be blocking the whole notification thread</i>
    */
   void done();

   /**
    * Method for error notifications.
    * Observation: The whole file will be probably failing if this happens. Like, if you delete the file, you will start to get errors for these operations
    */
   void onError(int errorCode, String errorMessage);
}