Module hash4j

Package com.dynatrace.hash4j.internal

Class Preconditions

java.lang.Object

com.dynatrace.hash4j.internal.Preconditions

public final class Preconditions
extends Object

Utility class for preconditions.

Method Summary

Modifier and Type	Method	Description
static void	checkArgument(boolean expression)	Throws an IllegalArgumentException if the given expression evaluates to false.
static void	checkArgument(boolean expression, String errorMessage)	Throws an IllegalArgumentException if the given expression evaluates to false.
static void	checkArgument(boolean expression, String errorMessageFormatString, long value)	Throws an IllegalArgumentException if the given expression evaluates to false.
static void	checkState(boolean expression)	Throws an IllegalStateException if the given expression evaluates to false.

Methods inherited from class java.lang.Object

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

Method Details

checkArgument

public static void checkArgument(boolean expression)

Throws an IllegalArgumentException if the given expression evaluates to false.

Parameters:

expression - an expression

Throws:

IllegalArgumentException - if the given expression evaluates to false

checkState

public static void checkState(boolean expression)

Throws an IllegalStateException if the given expression evaluates to false.

Parameters:

expression - an expression

Throws:

IllegalStateException - if the given expression evaluates to false

checkArgument

public static void checkArgument(boolean expression,
 String errorMessage)

Throws an IllegalArgumentException if the given expression evaluates to false.

Parameters:

expression - an expression

errorMessage - an error message

Throws:

IllegalArgumentException - if the given expression evaluates to false

checkArgument

public static void checkArgument(boolean expression,
 String errorMessageFormatString,
 long value)

Throws an IllegalArgumentException if the given expression evaluates to false.

Parameters:

expression - an expression

errorMessageFormatString - an error message format string with a single %s place holder

value - a long value

Throws:

IllegalArgumentException - if the given expression evaluates to false