tk.mybatis.mapper.additional.aggregation

Enum AggregateType

java.lang.Object

java.lang.Enum<AggregateType>

tk.mybatis.mapper.additional.aggregation.AggregateType

All Implemented Interfaces:

Serializable, Comparable<AggregateType>

public enum AggregateType
extends Enum<AggregateType>

聚合查询函数

Author:

liuchan

Enum Constant Summary

Enum Constants

Enum Constant and Description
AVG
COUNT
MAX
MIN
SUM

Method Summary

Modifier and Type	Method and Description
static AggregateType	valueOf(String name) Returns the enum constant of this type with the specified name.
static AggregateType[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

AVG

public static final AggregateType AVG

SUM

public static final AggregateType SUM

COUNT

public static final AggregateType COUNT

MAX

public static final AggregateType MAX

MIN

public static final AggregateType MIN

Method Detail

values

public static AggregateType[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (AggregateType c : AggregateType.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static AggregateType valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null