Package org.apache.hadoop.io.retry

Class RetryInvocationHandler<T>

java.lang.Object

org.apache.hadoop.io.retry.RetryInvocationHandler<T>

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.lang.reflect.InvocationHandler, RpcInvocationHandler

Direct Known Subclasses:

LossyRetryInvocationHandler

@Private
public class RetryInvocationHandler<T>
extends java.lang.Object
implements RpcInvocationHandler

A RpcInvocationHandler which supports client side retry .

Field Summary

Fields

Modifier and Type	Field	Description
static org.slf4j.Logger	LOG
static java.lang.ThreadLocal<java.lang.Boolean>	SET_CALL_ID_FOR_TEST

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	RetryInvocationHandler(FailoverProxyProvider<T> proxyProvider, RetryPolicy retryPolicy)
protected	RetryInvocationHandler(FailoverProxyProvider<T> proxyProvider, RetryPolicy defaultPolicy, java.util.Map<java.lang.String,RetryPolicy> methodNameToPolicyMap)

Method Summary

Modifier and Type	Method	Description
void	close()
Client.ConnectionId	getConnectionId()	Returns the connection id associated with the InvocationHandler instance.
FailoverProxyProvider<T>	getProxyProvider()
java.lang.Object	invoke(java.lang.Object proxy, java.lang.reflect.Method method, java.lang.Object[] args)
protected java.lang.Object	invokeMethod(java.lang.reflect.Method method, java.lang.Object[] args)

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final org.slf4j.Logger LOG

SET_CALL_ID_FOR_TEST

@VisibleForTesting
public static final java.lang.ThreadLocal<java.lang.Boolean> SET_CALL_ID_FOR_TEST

Constructor Detail

RetryInvocationHandler

protected RetryInvocationHandler(FailoverProxyProvider<T> proxyProvider,
                                 RetryPolicy retryPolicy)

RetryInvocationHandler

protected RetryInvocationHandler(FailoverProxyProvider<T> proxyProvider,
                                 RetryPolicy defaultPolicy,
                                 java.util.Map<java.lang.String,RetryPolicy> methodNameToPolicyMap)

Method Detail

invoke

public java.lang.Object invoke(java.lang.Object proxy,
                               java.lang.reflect.Method method,
                               java.lang.Object[] args)
                        throws java.lang.Throwable

Specified by:

invoke in interface java.lang.reflect.InvocationHandler

Throws:

java.lang.Throwable

invokeMethod

protected java.lang.Object invokeMethod(java.lang.reflect.Method method,
                                        java.lang.Object[] args)
                                 throws java.lang.Throwable

Throws:

java.lang.Throwable

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable

Throws:

java.io.IOException

getConnectionId

public Client.ConnectionId getConnectionId()

Description copied from interface: RpcInvocationHandler

Returns the connection id associated with the InvocationHandler instance.

Specified by:

getConnectionId in interface RpcInvocationHandler

Returns:

ConnectionId

getProxyProvider

@VisibleForTesting
public FailoverProxyProvider<T> getProxyProvider()