/*
 * 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.cassandra.spark.transports.storage.extensions;

/**
 * A listener interface that receives coordination signals.
 * It works in cooperation with {@link CoordinatedTransportExtension} to enable coordinated write
 */
public interface CoordinationSignalListener
{
    /**
     * The method is called when the write coordinator, i.e. implementation of {@link CoordinatedTransportExtension}, decides that
     * it is ready to stage SSTable bundles on all participating clusters.
     *
     * @param jobId the unique identifier for the job
     */
    void onStageReady(String jobId);

    /**
     * The method is called when the write coordinator, i.e. implementation of {@link CoordinatedTransportExtension}, decides that
     * it is ready to apply/import SSTables on all participating clusters.
     *
     * @param jobId the unique identifier for the job
     */
    void onImportReady(String jobId);
}
