Package com.github.collinalpert.java2db.utilities

Class Utilities

java.lang.Object

com.github.collinalpert.java2db.utilities.Utilities

public class Utilities
extends Object

Author:

Collin Alpert

Constructor Summary

Constructors

Constructor	Description
Utilities()

Method Summary

Modifier and Type	Method	Description
static Runnable	runnableHandling(ThrowableRunnable<SQLException> runnable, Consumer<SQLException> exceptionHandling)	Handles an SQLException that gets thrown inside a Runnable.
static <V> Supplier<V>	supplierHandling(ThrowableSupplier<V,SQLException> supplier, Consumer<SQLException> exceptionHandling)	Handles an SQLException that gets thrown inside a Supplier.
static <E extends Throwable> void	tryAction(ThrowableRunnable<E> runnable)	Tries to perform a certain action while considering a checked exception that could occur.
static <T, E extends Throwable> T	tryGetValue(ThrowableSupplier<T,E> supplier)	Tries to execute a supplier and retrieve its value while considering a checked exception that could occur.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Utilities

public Utilities()

Method Details

supplierHandling

public static <V> Supplier<V> supplierHandling(ThrowableSupplier<V,SQLException> supplier, Consumer<SQLException> exceptionHandling)

Handles an SQLException that gets thrown inside a Supplier.

Type Parameters:

V - The return type of the operation.

Parameters:

supplier - The Supplier that throws the exception.

exceptionHandling - The exception handling supplied for this exception.

Returns:

The original Supplier but now with the added exception handling.

runnableHandling

public static Runnable runnableHandling(ThrowableRunnable<SQLException> runnable, Consumer<SQLException> exceptionHandling)

Handles an SQLException that gets thrown inside a Runnable.

Parameters:

runnable - The Runnable that throws the exception.

exceptionHandling - The exception handling supplied for this exception.

Returns:

The original Runnable but now with the added exception handling.

tryAction

public static <E extends Throwable> void tryAction(ThrowableRunnable<E> runnable)

Tries to perform a certain action while considering a checked exception that could occur.

Type Parameters:

E - The type of checked exception.

Parameters:

runnable - The Runnable to try to execute.

tryGetValue

public static <T, E extends Throwable> T tryGetValue(ThrowableSupplier<T,E> supplier)

Tries to execute a supplier and retrieve its value while considering a checked exception that could occur.

Type Parameters:

T - The type of value to return.

E - The type of checked exception.

Parameters:

supplier - The Supplier to try to execute.

Returns:

The value returned by the supplier, assuming it can be excecuted without throwing an exception.