Package com.mongodb.assertions

Class Assertions

java.lang.Object

com.mongodb.assertions.Assertions

public final class Assertions
extends Object

Design by contract assertions.

This class is not part of the public API and may be removed or changed at any time.

Method Summary

Modifier and Type	Method	Description
static void	doesNotContainNull(String name, Collection<?> collection)	Throw IllegalArgumentException if the collection contains a null value.
static void	isTrue(String name, boolean condition)	Throw IllegalStateException if the condition if false.
static void	isTrue(String name, boolean condition, SingleResultCallback<?> callback)	Throw IllegalStateException if the condition if false.
static void	isTrueArgument(String name, boolean condition)	Throw IllegalArgumentException if the condition if false.
static <T> T	notNull(String name, T value)	Throw IllegalArgumentException if the value is null.
static <T> T	notNull(String name, T value, SingleResultCallback<?> callback)	Throw IllegalArgumentException if the value is null.

Methods inherited from class java.lang.Object

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

Method Detail

notNull

public static <T> T notNull(String name,
                            T value)

Throw IllegalArgumentException if the value is null.

Type Parameters:

T - the value type

Parameters:

name - the parameter name

value - the value that should not be null

Returns:

the value

Throws:

IllegalArgumentException - if value is null

notNull

public static <T> T notNull(String name,
                            T value,
                            SingleResultCallback<?> callback)

Throw IllegalArgumentException if the value is null.

Type Parameters:

T - the value type

Parameters:

name - the parameter name

value - the value that should not be null

callback - the callback that also is passed the exception if the value is null

Returns:

the value

Throws:

IllegalArgumentException - if value is null

isTrue

public static void isTrue(String name,
                          boolean condition)

Throw IllegalStateException if the condition if false.

Parameters:

name - the name of the state that is being checked

condition - the condition about the parameter to check

Throws:

IllegalStateException - if the condition is false

isTrue

public static void isTrue(String name,
                          boolean condition,
                          SingleResultCallback<?> callback)

Throw IllegalStateException if the condition if false.

Parameters:

name - the name of the state that is being checked

condition - the condition about the parameter to check

callback - the callback that also is passed the exception if the condition is not true

Throws:

IllegalStateException - if the condition is false

isTrueArgument

public static void isTrueArgument(String name,
                                  boolean condition)

Throw IllegalArgumentException if the condition if false.

Parameters:

name - the name of the state that is being checked

condition - the condition about the parameter to check

Throws:

IllegalArgumentException - if the condition is false

doesNotContainNull

public static void doesNotContainNull(String name,
                                      Collection<?> collection)

Throw IllegalArgumentException if the collection contains a null value.

Parameters:

name - the name of the collection

collection - the collection

Throws:

IllegalArgumentException - if the collection contains a null value