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AsyncRpcChannel.java
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AsyncRpcChannel.java
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/**
* 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.ipc;
import com.google.protobuf.Descriptors;
import com.google.protobuf.Message;
import io.netty.util.concurrent.EventExecutor;
import java.net.InetSocketAddress;
import org.apache.hadoop.hbase.CellScanner;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.client.Future;
/**
* Interface for Async Rpc Channels
*/
@InterfaceAudience.Private
public interface AsyncRpcChannel {
/**
* Calls method on channel
* @param method to call
* @param request to send
* @param cellScanner with cells to send
* @param responsePrototype to construct response with
* @param messageConverter for the messages to expected result
* @param exceptionConverter for converting exceptions
* @param rpcTimeout timeout for request
* @param priority for request
* @return Promise for the response Message
*/
<R extends Message, O> Future<O> callMethod(
final Descriptors.MethodDescriptor method,
final Message request, final CellScanner cellScanner,
R responsePrototype, MessageConverter<R, O> messageConverter,
IOExceptionConverter exceptionConverter, long rpcTimeout, int priority);
/**
* Get the EventLoop on which this channel operated
* @return EventLoop
*/
EventExecutor getEventExecutor();
/**
* Close connection
* @param cause of closure.
*/
void close(Throwable cause);
/**
* Check if the connection is alive
*
* @return true if alive
*/
boolean isAlive();
/**
* Get the address on which this channel operates
* @return InetSocketAddress
*/
InetSocketAddress getAddress();
}