com.aliyun.odps.table.utils

Class Preconditions

java.lang.Object

com.aliyun.odps.table.utils.Preconditions

public final class Preconditions
extends Object

A collection of static utility methods to validate input.

Method Summary

Modifier and Type	Method and Description
static void	checkArgument(boolean condition, String errorMessage)
static void	checkInteger(Integer arg, int minValue, String name)
static void	checkIntList(List<Integer> arg, int minSize, int minValue, String name)
static void	checkList(List<?> arg, int minSize, String name)
static void	checkList(List<?> arg, String name)
static void	checkLong(Long arg, long minValue, String name)
static <T> T	checkNotNull(T reference, String argName)
static <T> T	checkNotNull(T reference, String argName, String errorMessage)
static void	checkString(String arg, String name)

Methods inherited from class java.lang.Object

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

Method Detail

checkNotNull

public static <T> T checkNotNull(@Nullable
                                 T reference,
                                 String argName)

checkNotNull

public static <T> T checkNotNull(@Nullable
                                 T reference,
                                 String argName,
                                 String errorMessage)

checkArgument

public static void checkArgument(boolean condition,
                                 String errorMessage)

checkString

public static void checkString(String arg,
                               String name)

checkList

public static void checkList(List<?> arg,
                             String name)

checkList

public static void checkList(List<?> arg,
                             int minSize,
                             String name)

checkInteger

public static void checkInteger(Integer arg,
                                int minValue,
                                String name)

checkLong

public static void checkLong(Long arg,
                             long minValue,
                             String name)

checkIntList

public static void checkIntList(List<Integer> arg,
                                int minSize,
                                int minValue,
                                String name)