程序包 org.hibernate.annotations

枚举 ResultCheckStyle

java.lang.Object

java.lang.Enum<ResultCheckStyle>

org.hibernate.annotations.ResultCheckStyle

所有已实现的接口:

Serializable, Comparable<ResultCheckStyle>

public enum ResultCheckStyle
extends Enum<ResultCheckStyle>

Possible styles of checking return codes on SQL INSERT, UPDATE and DELETE queries.

作者:

L�szl� Benke

枚举常量概要

枚举常量

枚举常量	说明
COUNT	Perform row-count checking.
NONE	Do not perform checking.
PARAM	Essentially the same as COUNT except that the row count actually comes from an output parameter registered as part of a CallableStatement.

方法概要

修饰符和类型	方法	说明
static ResultCheckStyle	valueOf(String name)	返回带有指定名称的该类型的枚举常量。
static ResultCheckStyle[]	values()	按照声明该枚举类型的常量的顺序, 返回 包含这些常量的数组。

从类继承的方法 java.lang.Enum

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

从类继承的方法 java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

枚举常量详细资料

NONE

public static final ResultCheckStyle NONE

Do not perform checking. Might mean that the user really just does not want any checking. Might also mean that the user is expecting a failure to be indicated by a SQLException being thrown (presumably from a CallableStatement which is performing explicit checks and propagating failures back through the driver).

COUNT

public static final ResultCheckStyle COUNT

Perform row-count checking. Row counts are the int values returned by both PreparedStatement.executeUpdate() and Statement.executeBatch(). These values are checked against some expected count.

PARAM

public static final ResultCheckStyle PARAM

Essentially the same as COUNT except that the row count actually comes from an output parameter registered as part of a CallableStatement. This style explicitly prohibits statement batching from being used...

方法详细资料

values

public static ResultCheckStyle[] values()

按照声明该枚举类型的常量的顺序, 返回 包含这些常量的数组。该方法可用于迭代 常量, 如下所示:

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

返回:

按照声明该枚举类型的常量的顺序返回的包含这些常量的数组

valueOf

public static ResultCheckStyle valueOf(String name)

返回带有指定名称的该类型的枚举常量。 字符串必须与用于声明该类型的枚举常量的 标识符完全匹配。(不允许有多余 的空格字符。)

参数:

name - 要返回的枚举常量的名称。

返回:

返回带有指定名称的枚举常量

抛出:

IllegalArgumentException - 如果该枚举类型没有带有指定名称的常量

NullPointerException - 如果参数为空值