程序包 com.cnosdb.impl

类 Preconditions

java.lang.Object

com.cnosdb.impl.Preconditions

public final class Preconditions
extends Object

Functions for parameter validation.

作者:

Simon Legner

方法概要

修饰符和类型	方法	说明
static void	checkDuration(String duration, String name)	Enforces that the duration is a valid cnosDB duration.
static String	checkNonEmptyString(String string, String name)	Enforces that the string is not empty.
static void	checkNotNegativeNumber(Number number, String name)	Enforces that the number is not negative.
static void	checkPositiveNumber(Number number, String name)	Enforces that the number is larger than 0.

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

checkNonEmptyString

public static String checkNonEmptyString(String string,
 String name)
                                  throws IllegalArgumentException

Enforces that the string is not empty.

参数:

string - the string to test

name - variable name for reporting

返回:

string

抛出:

IllegalArgumentException - if the string is empty

checkPositiveNumber

public static void checkPositiveNumber(Number number,
 String name)
                                throws IllegalArgumentException

Enforces that the number is larger than 0.

参数:

number - the number to test

name - variable name for reporting

抛出:

IllegalArgumentException - if the number is less or equal to 0

checkNotNegativeNumber

public static void checkNotNegativeNumber(Number number,
 String name)
                                   throws IllegalArgumentException

Enforces that the number is not negative.

参数:

number - the number to test

name - variable name for reporting

抛出:

IllegalArgumentException - if the number is less or equal to 0

checkDuration

public static void checkDuration(String duration,
 String name)
                          throws IllegalArgumentException

Enforces that the duration is a valid cnosDB duration.

参数:

duration - the duration to test

name - variable name for reporting

抛出:

IllegalArgumentException - if the given duration is not valid.