Class ObjectHelper

java.lang.Object

io.reactivex.rxjava3.internal.functions.ObjectHelper

public final class ObjectHelper
extends Object

Utility methods containing the backport of Java 7's Objects utility class.

Named as such to avoid clash with java.util.Objects.

Method Summary

Modifier and Type	Method	Description
static <T> BiPredicate<T,T>	equalsPredicate()	Returns a BiPredicate that compares its parameters via Objects.equals().
static int	verifyPositive(int value, String paramName)	Validate that the given value is positive or report an IllegalArgumentException with the parameter name.
static long	verifyPositive(long value, String paramName)	Validate that the given value is positive or report an IllegalArgumentException with the parameter name.

Methods inherited from class Object

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

Method Details

equalsPredicate

public static <T> BiPredicate<T,T> equalsPredicate()

Returns a BiPredicate that compares its parameters via Objects.equals().

Type Parameters:

T - the value type

Returns:

the bi-predicate instance

verifyPositive

public static int verifyPositive(int value,
 String paramName)

Validate that the given value is positive or report an IllegalArgumentException with the parameter name.

Parameters:

value - the value to validate

paramName - the parameter name of the value

Returns:

value

Throws:

IllegalArgumentException - if bufferSize <= 0

verifyPositive

public static long verifyPositive(long value,
 String paramName)

Validate that the given value is positive or report an IllegalArgumentException with the parameter name.

Parameters:

value - the value to validate

paramName - the parameter name of the value

Returns:

value

Throws:

IllegalArgumentException - if bufferSize <= 0