io.delta.kernel.internal.util

Class Preconditions

Object

io.delta.kernel.internal.util.Preconditions

public class Preconditions
extends Object

Static convenience methods that help a method or constructor check whether it was invoked correctly (that is, whether its preconditions were met).

Method Summary

Modifier and Type	Method and Description
static void	checkArgument(boolean isValid) Precondition-style validation that throws IllegalArgumentException.
static void	checkArgument(boolean isValid, String message) Precondition-style validation that throws IllegalArgumentException.
static void	checkArgument(boolean isValid, String message, Object... args) Precondition-style validation that throws IllegalArgumentException.

Methods inherited from class Object

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

Method Detail

checkArgument

public static void checkArgument(boolean isValid)
                          throws IllegalArgumentException

Precondition-style validation that throws IllegalArgumentException.

Parameters:

isValid - true if valid, false if an exception should be thrown

Throws:

IllegalArgumentException - if isValid is false

checkArgument

public static void checkArgument(boolean isValid,
                                 String message)
                          throws IllegalArgumentException

Precondition-style validation that throws IllegalArgumentException.

Parameters:

isValid - true if valid, false if an exception should be thrown

message - A String message for the exception.

Throws:

IllegalArgumentException - if isValid is false

checkArgument

public static void checkArgument(boolean isValid,
                                 String message,
                                 Object... args)
                          throws IllegalArgumentException

Precondition-style validation that throws IllegalArgumentException.

Parameters:

isValid - true if valid, false if an exception should be thrown

message - A String message for the exception.

args - Objects used to fill in %s placeholders in the message

Throws:

IllegalArgumentException - if isValid is false