org.apache.hadoop.hbase.ipc

类 ServerRpcController

java.lang.Object

org.apache.hadoop.hbase.ipc.ServerRpcController

所有已实现的接口:

RpcController

@InterfaceAudience.Private
public class ServerRpcController
extends Object
implements RpcController

Used for server-side protobuf RPC service invocations. This handler allows invocation exceptions to easily be passed through to the RPC server from coprocessor Service implementations.

When implementing Service defined methods, coprocessor endpoints can use the following pattern to pass exceptions back to the RPC client: public void myMethod(RpcController controller, MyRequest request, RpcCallback<MyResponse> done) { MyResponse response = null; try { // do processing response = MyResponse.getDefaultInstance(); // or use a new builder to populate the response } catch (IOException ioe) { // pass exception back up ResponseConverter.setControllerException(controller, ioe); } done.run(response); }

构造器概要

构造器

构造器和说明
ServerRpcController()

方法概要

限定符和类型	方法和说明
void	checkFailed() Throws an IOException back out if one is currently stored.
String	errorText()
boolean	failed()
boolean	failedOnException() Returns whether or not a server exception was generated in the prior RPC invocation.
IOException	getFailedOn() Returns any exception thrown during service method invocation, or null if no exception was thrown.
boolean	isCanceled()
void	notifyOnCancel(RpcCallback<Object> objectRpcCallback)
void	reset()
void	setFailed(String message)
void	setFailedOn(IOException ioe) Sets an exception to be communicated back to the Service client.
void	startCancel()

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

ServerRpcController

public ServerRpcController()

方法详细资料

reset

public void reset()

指定者:

reset 在接口中 RpcController

failed

public boolean failed()

指定者:

failed 在接口中 RpcController

errorText

public String errorText()

指定者:

errorText 在接口中 RpcController

startCancel

public void startCancel()

指定者:

startCancel 在接口中 RpcController

setFailed

public void setFailed(String message)

指定者:

setFailed 在接口中 RpcController

isCanceled

public boolean isCanceled()

指定者:

isCanceled 在接口中 RpcController

notifyOnCancel

public void notifyOnCancel(RpcCallback<Object> objectRpcCallback)

指定者:

notifyOnCancel 在接口中 RpcController

setFailedOn

public void setFailedOn(IOException ioe)

Sets an exception to be communicated back to the Service client.

参数:

ioe - the exception encountered during execution of the service method

getFailedOn

public IOException getFailedOn()

Returns any exception thrown during service method invocation, or null if no exception was thrown. This can be used by clients to receive exceptions generated by RPC calls, even when RpcCallbacks are used and no ServiceException is declared.

failedOnException

public boolean failedOnException()

Returns whether or not a server exception was generated in the prior RPC invocation.

checkFailed

public void checkFailed()
                 throws IOException

Throws an IOException back out if one is currently stored.

抛出:

IOException