package com.linkedin.databus.client.pub;
/*
*
* Copyright 2013 LinkedIn Corp. All rights reserved
*
* Licensed 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.
*
*/
/**
* Databus Partition Listener interface. The client application is responsible for implementing a concrete class for this
* interface and registering in DatabusClient.registerCluster()
*/
public interface DbusPartitionListener
{
/**
*
* Listener interface triggered when this client instance starts listening to new partition
* Triggered when the registered is created with call-backs, subscriptions and server-side filter set.
* Registration will be in INIT state. The client application can use this API to change checkpoint/regId if needed.
*
* @param partitionInfo : Databus Partition Info
* @param reg : Databus Registration controlling this stream partition.
*/
public void onAddPartition(DbusPartitionInfo partitionInfo, DatabusRegistration reg);
/**
* Listener interface triggered when the client instance stops listening to a partition.
* Triggered after registration is shutdown but before deregistering.
* @param partitionInfo : Databus Partition Info
* @param reg : Databus Registration controlling this stream partition.
*/
public void onDropPartition(DbusPartitionInfo partitionInfo, DatabusRegistration reg);
}