/**
* Copyright The Apache Software Foundation
*
* 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.hadoop.hbase.client;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos;
/**
* A KeepAlive connection is not physically closed immediately after the close,
* but rather kept alive for a few minutes. It makes sense only if it is shared.
*
* <p>This interface is implemented on a stub. It allows to have a #close function in a master
* client.
*
* <p>This class is intended to be used internally by HBase classes that need to make invocations
* against the master on the MasterProtos.MasterService.BlockingInterface; but not by
* final user code. Hence it's package protected.
*/
interface MasterKeepAliveConnection extends MasterProtos.MasterService.BlockingInterface {
// Do this instead of implement Closeable because closeable returning IOE is PITA.
void close();
}