org.bson.assertions

类 Assertions

java.lang.Object

org.bson.assertions.Assertions

public final class Assertions
extends java.lang.Object

Design by contract assertions.

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

方法概要

限定符和类型	方法和说明
static <T> T	convertToType(java.lang.Class<T> clazz, java.lang.Object value, java.lang.String errorMessage) Cast an object to the given class and return it, or throw IllegalArgumentException if it's not assignable to that class.
static void	isTrue(java.lang.String name, boolean condition) Throw IllegalStateException if the condition if false.
static void	isTrueArgument(java.lang.String name, boolean condition) Throw IllegalArgumentException if the condition if false.
static <T> T	notNull(java.lang.String name, T value) Throw IllegalArgumentException if the value is null.

从类继承的方法 java.lang.Object

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

方法详细资料

notNull

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

Throw IllegalArgumentException if the value is null.

类型参数:

T - the value type

参数:

name - the parameter name

value - the value that should not be null

返回:

the value

抛出:

java.lang.IllegalArgumentException - if value is null

isTrue

public static void isTrue(java.lang.String name,
                          boolean condition)

Throw IllegalStateException if the condition if false.

参数:

name - the name of the state that is being checked

condition - the condition about the parameter to check

抛出:

java.lang.IllegalStateException - if the condition is false

isTrueArgument

public static void isTrueArgument(java.lang.String name,
                                  boolean condition)

Throw IllegalArgumentException if the condition if false.

参数:

name - the name of the state that is being checked

condition - the condition about the parameter to check

抛出:

java.lang.IllegalArgumentException - if the condition is false

convertToType

public static <T> T convertToType(java.lang.Class<T> clazz,
                                  java.lang.Object value,
                                  java.lang.String errorMessage)

Cast an object to the given class and return it, or throw IllegalArgumentException if it's not assignable to that class.

类型参数:

T - the Class type

参数:

clazz - the class to cast to

value - the value to cast

errorMessage - the error message to include in the exception

返回:

value cast to clazz

抛出:

java.lang.IllegalArgumentException - if value is not assignable to clazz