hibernate validator用法

Annotation	Apply on	Runtime checking	Hibernate Metadata impact
@Length(min=, max=)	property (String)	check if the string length match the range	Column length will be set to max
@Max(value=)	property (numeric or string representation of a numeric)	check if the value is less than or equals to max	Add a check constraint on the column
@Min(value=)	property (numeric or string representation of a numeric)	check if the value is more than or equals to min	Add a check constraint on the column
@NotNull	property	check if the value is not null	Column(s) are not null
@NotEmpty	property	check if the string is not null nor empty. Check if the connection is not null nor empty	Column(s) are not null (for String)
@Past	property (date or calendar)	check if the date is in the past	Add a check constraint on the column
@Future	property (date or calendar)	check if the date is in the future	none
@Pattern(regex="regexp", flag=) or @Patterns( {@Pattern(...)} )	property (string)	check if the property match the regular expression given a match flag (see java.util.regex.Pattern )	none
@Range(min=, max=)	property (numeric or string representation of a numeric)	check if the value is between min and max (included)	Add a check constraint on the column
@Size(min=, max=)	property (array, collection, map)	check if the element size is between min and max (included)	none
@AssertFalse	property	check that the method evaluates to false (useful for constraints expressed in code rather than annotations)	none
@AssertTrue	property	check that the method evaluates to true (useful for constraints expressed in code rather than annotations)	none
@Valid	property (object)	perform validation recursively on the associated object. If the object is a Collection or an array, the elements are validated recursively. If the object is a Map, the value elements are validated recursively.	none
@Email	property (String)	check whether the string is conform to the email address specification	none
@CreditCardNumber	property (String)	check whether the string is a well formated credit card number (derivative of the Luhn algorithm)	none
@Digits	property (numeric or string representation of a numeric)	check whether the property is a number having up to integerDigits integer digits and fractionalDigits fractonal digits	define column precision and scale
@EAN	property (string)	check whether the string is a properly formated EAN or UPC-A code	none