Package org.springframework.util.function

Interface ThrowingConsumer<T>

Type Parameters:

T - the type of the input to the operation

All Superinterfaces:

Consumer<T>

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 ThrowingConsumer<T>
extends Consumer<T>

A Consumer that allows invocation of code that throws a checked exception.

Since:

6.0

Author:

Stephane Nicoll, Phillip Webb

Method Summary

Modifier and Type	Method	Description
default void	accept(T t)	Default Consumer.accept(Object) that wraps any thrown checked exceptions (by default in a RuntimeException).
default void	accept(T t, BiFunction<String,Exception,RuntimeException> exceptionWrapper)	Performs this operation on the given argument, wrapping any thrown checked exceptions using the given exceptionWrapper.
void	acceptWithException(T t)	Performs this operation on the given argument, possibly throwing a checked exception.
static <T> ThrowingConsumer<T>	of(ThrowingConsumer<T> consumer)	Lambda friendly convenience method that can be used to create ThrowingConsumer where the accept(Object) method wraps any thrown checked exceptions using the given exceptionWrapper.
static <T> ThrowingConsumer<T>	of(ThrowingConsumer<T> consumer, BiFunction<String,Exception,RuntimeException> exceptionWrapper)	Lambda friendly convenience method that can be used to create ThrowingConsumer where the accept(Object) method wraps any thrown checked exceptions using the given exceptionWrapper.
default ThrowingConsumer<T>	throwing(BiFunction<String,Exception,RuntimeException> exceptionWrapper)	Return a new ThrowingConsumer where the accept(Object) method wraps any thrown checked exceptions using the given exceptionWrapper.

Methods inherited from interface java.util.function.Consumer

andThen

Method Details

acceptWithException

void acceptWithException(T t)
                  throws Exception

Performs this operation on the given argument, possibly throwing a checked exception.

Parameters:

t - the input argument

Throws:

Exception - on error

accept

default void accept(T t)

Default Consumer.accept(Object) that wraps any thrown checked exceptions (by default in a RuntimeException).

Specified by:

accept in interface Consumer<T>

See Also:

• Consumer.accept(Object)

accept

default void accept(T t,
 BiFunction<String,Exception,RuntimeException> exceptionWrapper)

Performs this operation on the given argument, wrapping any thrown checked exceptions using the given exceptionWrapper.

Parameters:

exceptionWrapper - BiFunction that wraps the given message and checked exception into a runtime exception

throwing

default ThrowingConsumer<T> throwing(BiFunction<String,Exception,RuntimeException> exceptionWrapper)

Return a new ThrowingConsumer where the accept(Object) method wraps any thrown checked exceptions using the given exceptionWrapper.

Parameters:

exceptionWrapper - BiFunction that wraps the given message and checked exception into a runtime exception

Returns:

the replacement ThrowingConsumer instance

of

static <T> ThrowingConsumer<T> of(ThrowingConsumer<T> consumer)

Lambda friendly convenience method that can be used to create ThrowingConsumer where the accept(Object) method wraps any thrown checked exceptions using the given exceptionWrapper.

Type Parameters:

T - the type of the input to the operation

Parameters:

consumer - the source consumer

Returns:

a new ThrowingConsumer instance

of

static <T> ThrowingConsumer<T> of(ThrowingConsumer<T> consumer,
 BiFunction<String,Exception,RuntimeException> exceptionWrapper)

Lambda friendly convenience method that can be used to create ThrowingConsumer where the accept(Object) method wraps any thrown checked exceptions using the given exceptionWrapper.

Type Parameters:

T - the type of the input to the operation

Parameters:

consumer - the source consumer

exceptionWrapper - the exception wrapper to use

Returns:

a new ThrowingConsumer instance