org.apache.shardingsphere.infra.util.exception

Class ShardingSpherePreconditions

java.lang.Object

org.apache.shardingsphere.infra.util.exception.ShardingSpherePreconditions

public final class ShardingSpherePreconditions
extends Object

ShardingSphere preconditions.

Constructor Summary

Constructors

Constructor and Description
ShardingSpherePreconditions()

Method Summary

Modifier and Type	Method and Description
static <T extends Throwable> void	checkNotNull(Object reference, Supplier<T> exceptionSupplierIfUnexpected) Ensures that an object reference passed as a parameter to the calling method is not null.
static <T extends Throwable> void	checkState(boolean expectedExpression, Supplier<T> exceptionSupplierIfUnexpected) Ensures the truth of an expression involving the state of the calling instance.

Methods inherited from class java.lang.Object

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

Constructor Detail

ShardingSpherePreconditions

public ShardingSpherePreconditions()

Method Detail

checkState

public static <T extends Throwable> void checkState(boolean expectedExpression,
                                                    Supplier<T> exceptionSupplierIfUnexpected)
                                             throws T extends Throwable

Ensures the truth of an expression involving the state of the calling instance.

Type Parameters:

T - type of exception

Parameters:

expectedExpression - expected expression

exceptionSupplierIfUnexpected - exception from this supplier will be thrown if expression is unexpected

Throws:

T - exception to be thrown

T extends Throwable

checkNotNull

public static <T extends Throwable> void checkNotNull(Object reference,
                                                      Supplier<T> exceptionSupplierIfUnexpected)
                                               throws T extends Throwable

Ensures that an object reference passed as a parameter to the calling method is not null.

Type Parameters:

T - type of exception

Parameters:

reference - object reference to be checked

exceptionSupplierIfUnexpected - exception from this supplier will be thrown if expression is unexpected

Throws:

T - exception to be thrown

T extends Throwable