software.amazon.cloudformation.proxy

Interface CallChain.Exceptional<RequestT,ResponseT,ClientT,ModelT,CallbackT extends StdCallbackContext>

Type Parameters:

ResponseT - the response or the fault (Exception) that needs to handled

All Superinterfaces:

CallChain.Completed<RequestT,ResponseT,ClientT,ModelT,CallbackT>

All Known Subinterfaces:

CallChain.Stabilizer<RequestT,ResponseT,ClientT,ModelT,CallbackT>

Enclosing interface:

CallChain

public static interface CallChain.Exceptional<RequestT,ResponseT,ClientT,ModelT,CallbackT extends StdCallbackContext>
extends CallChain.Completed<RequestT,ResponseT,ClientT,ModelT,CallbackT>

This provide the handler with the option to provide an explicit exception handler that would have service exceptions that was received.

Method Summary

Modifier and Type	Method and Description
CallChain.Completed<RequestT,ResponseT,ClientT,ModelT,CallbackT>	exceptFilter(CallChain.Callback<? super RequestT,Exception,ClientT,ModelT,CallbackT,Boolean> handler)
CallChain.Completed<RequestT,ResponseT,ClientT,ModelT,CallbackT>	exceptHandler(CallChain.Callback<? super RequestT,Exception,ClientT,ModelT,CallbackT,ProgressEvent<ModelT,CallbackT>> handler)

Methods inherited from interface software.amazon.cloudformation.proxy.CallChain.Completed

done, done, progress, progress, success

Method Detail

exceptFilter

CallChain.Completed<RequestT,ResponseT,ClientT,ModelT,CallbackT> exceptFilter(CallChain.Callback<? super RequestT,Exception,ClientT,ModelT,CallbackT,Boolean> handler)

Parameters:

handler, - a predicate lambda expression that take the web request, response, client, model and context and says continue or fail operation

Returns:

true of you want to attempt another retry of the operation. false to indicate propagate error/fault.

exceptHandler

CallChain.Completed<RequestT,ResponseT,ClientT,ModelT,CallbackT> exceptHandler(CallChain.Callback<? super RequestT,Exception,ClientT,ModelT,CallbackT,ProgressEvent<ModelT,CallbackT>> handler)

Parameters:

handler, - a lambda expression that take the web request, response, client, model and context and says continue or fail operation by providing the appropriate ProgressEvent back.

Returns:

If status is OperationStatus.IN_PROGRESS we will attempt another retry. Otherwise failure is propagated.