io.r2dbc.proxy.listener

Interface ResultRowConverter

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface ResultRowConverter

Callback for Row#get(...) methods.

Since:

0.9.0

Author:

Tadaya Tsuyukubo

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	ResultRowConverter.GetOperation Represent Row#get(...) operation.

Method Summary

Modifier and Type	Method and Description
static ResultRowConverter	create() Create a default ResultRowConverter.
Object	onGet(Row proxyRow, Method method, Object[] args, ResultRowConverter.GetOperation getOperation) Callback method for Row#get(...) before performing the original Row#get(...) method.

Method Detail

create

static ResultRowConverter create()

Create a default ResultRowConverter.

Returns:

a bindParameterConverter

onGet

@Nullable
Object onGet(Row proxyRow,
                       Method method,
                       Object[] args,
                       ResultRowConverter.GetOperation getOperation)

Callback method for Row#get(...) before performing the original Row#get(...) method.

Implementation of this method can modify the actual behavior. For example, the callback can modify arguments and return value, determine whether to call the original method or alternative methods, etc.

To perform the original Row#get(...) method, invoke getOperation.proceed().

Parameters:

proxyRow - proxy Row

method - invoked method

args - arguments of the original Row#get(...) call

getOperation - perform Row#get(...) operation and returns its result

Returns:

return value from Row#get(...) operation