org.springframework.data.r2dbc.core

Interface StatementFilterFunction

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 StatementFilterFunction

Represents a function that filters an execute function.

The filter is executed when a Subscriber subscribes to the Publisher returned by the DatabaseClient.

Since:

1.1

Author:

Mark Paluch

See Also:

ExecuteFunction

Method Summary

Modifier and Type	Method and Description
default StatementFilterFunction	andThen(StatementFilterFunction afterFilter) Return a composed filter function that first applies this filter, and then applies the given "after" filter.
org.reactivestreams.Publisher<? extends Result>	filter(Statement statement, ExecuteFunction next) Apply this filter to the given Statement and ExecuteFunction.

Method Detail

filter

org.reactivestreams.Publisher<? extends Result> filter(Statement statement,
                                                       ExecuteFunction next)

Apply this filter to the given Statement and ExecuteFunction.

The given ExecuteFunction represents the next entity in the chain, to be invoked via ExecuteFunction.execute(Statement) invoked} in order to proceed with the exchange, or not invoked to shortcut the chain.

Parameters:

statement - the current Statement.

next - the next exchange function in the chain.

Returns:

the filtered Results.

andThen

default StatementFilterFunction andThen(StatementFilterFunction afterFilter)

Return a composed filter function that first applies this filter, and then applies the given "after" filter.

Parameters:

afterFilter - the filter to apply after this filter.

Returns:

the composed filter.