Package io.microsphere.lang.function

Interface ThrowableSupplier<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 ThrowableSupplier<T>

Method Summary

Modifier and Type	Method	Description
default T	execute()	Execute get() with the default exception handling
static <T> T	execute(ThrowableSupplier<T> supplier)	Executes ThrowableSupplier with the default exception handling
static <T> T	execute(ThrowableSupplier<T> supplier, java.util.function.Function<java.lang.Throwable,T> exceptionHandler)	Executes ThrowableSupplier with the customized exception handling
default T	execute(java.util.function.Function<java.lang.Throwable,T> exceptionHandler)	Execute get() with the customized exception handling
T	get()	Applies this function to the given argument.
default T	handleException(java.lang.Throwable failure)	Handle any exception that the get() method throws

Method Detail

get

T get()
throws java.lang.Throwable

Applies this function to the given argument.

Returns:

the supplied result

Throws:

java.lang.Throwable - if met with any error

execute

default T execute()

Execute get() with the default exception handling

Returns:

the supplied result

See Also:

get()

execute

default T execute(java.util.function.Function<java.lang.Throwable,T> exceptionHandler)

Execute get() with the customized exception handling

Parameters:

exceptionHandler - the handler to handle any exception that the get() method throws

Returns:

the supplied result

See Also:

execute()

handleException

default T handleException(java.lang.Throwable failure)

Handle any exception that the get() method throws

Parameters:

failure - the instance of Throwable

Returns:

the result after the exception handling

execute

static <T> T execute(ThrowableSupplier<T> supplier)
              throws java.lang.NullPointerException

Executes ThrowableSupplier with the default exception handling

Type Parameters:

T - the supplied type

Parameters:

supplier - ThrowableSupplier

Returns:

the result after execution

Throws:

java.lang.NullPointerException - if supplier is null

execute

static <T> T execute(ThrowableSupplier<T> supplier,
                     java.util.function.Function<java.lang.Throwable,T> exceptionHandler)
              throws java.lang.NullPointerException

Executes ThrowableSupplier with the customized exception handling

Type Parameters:

T - the supplied type

Parameters:

supplier - ThrowableSupplier

exceptionHandler - the handler to handle any exception that the get() method throws

Returns:

the result after execution

Throws:

java.lang.NullPointerException - if supplier or exceptionHandler is null