Package org.springframework.data.redis.util

Class RedisAssertions

java.lang.Object

org.springframework.data.redis.util.RedisAssertions

public abstract class RedisAssertions
extends Object

Abstract utility class for common assertions used in Spring Data Redis.

Since:

3.1.0

Author:

John Blum

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	RedisAssertions.RuntimeExceptionSupplier

Constructor Summary

Constructors

Constructor	Description
RedisAssertions()

Method Summary

Modifier and Type	Method	Description
static <T> T	requireNonNull(T target, String message, Object... arguments)	Asserts the given Object is not null.
static <T> T	requireNonNull(T target, Supplier<String> message)	Asserts the given Object is not null.
static <T> T	requireNonNull(T target, RedisAssertions.RuntimeExceptionSupplier cause)	Asserts the given Object is not null throwing the given RuntimeException if Object is null.
static <T> T	requireState(T target, String message, Object... arguments)	Asserts the given Object is not null.
static <T> T	requireState(T target, Supplier<String> message)	Asserts the given Object is not null.

Methods inherited from class java.lang.Object

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

Constructor Details

RedisAssertions

public RedisAssertions()

Method Details

requireNonNull

public static <T> T requireNonNull(@Nullable
 T target,
 String message,
 Object... arguments)

Asserts the given Object is not null.

Type Parameters:

T - type of Object being asserted.

Parameters:

target - Object to evaluate.

message - String containing the message for the thrown exception.

arguments - array of Object arguments used to format the message.

Returns:

the given Object.

Throws:

IllegalArgumentException - if the target is null.

See Also:

• requireNonNull(Object, Supplier)

requireNonNull

public static <T> T requireNonNull(@Nullable
 T target,
 Supplier<String> message)

Asserts the given Object is not null.

Type Parameters:

T - type of Object being asserted.

Parameters:

target - Object to evaluate.

message - Supplier supplying the message for the thrown exception.

Returns:

the given Object.

Throws:

IllegalArgumentException - if the target is null.

requireNonNull

public static <T> T requireNonNull(@Nullable
 T target,
 RedisAssertions.RuntimeExceptionSupplier cause)

Asserts the given Object is not null throwing the given RuntimeException if Object is null.

Type Parameters:

T - type of Object being asserted.

Parameters:

target - Object to evaluate.

cause - Supplier of a RuntimeException to throw if the given Object is null.

Returns:

the given Object.

requireState

public static <T> T requireState(@Nullable
 T target,
 String message,
 Object... arguments)

Asserts the given Object is not null.

Type Parameters:

T - type of Object being asserted.

Parameters:

target - Object to evaluate.

message - String containing the message for the thrown exception.

arguments - array of Object arguments used to format the message.

Returns:

the given Object.

Throws:

IllegalArgumentException - if the target is null.

See Also:

• requireNonNull(Object, Supplier)

requireState

public static <T> T requireState(@Nullable
 T target,
 Supplier<String> message)

Asserts the given Object is not null.

Type Parameters:

T - type of Object being asserted.

Parameters:

target - Object to evaluate.

message - Supplier supplying the message for the thrown exception.

Returns:

the given Object.

Throws:

IllegalArgumentException - if the target is null.