Package io.vertigo.datamodel.criteria

Class Criterions

java.lang.Object

io.vertigo.datamodel.criteria.Criterions

public final class Criterions
extends Object

This class provides criterions (aka where clause) for a field of an entity.

Author:

pchretien

Method Summary

Modifier and Type	Method	Description
static <D extends DtObject> Criteria<D>	alwaysFalse()	An always false criteria.
static <D extends DtObject> Criteria<D>	alwaysTrue()	An always true criteria.
static <D extends DtObject> Criteria<D>	in(DtFieldName<D> dtFieldName, Serializable... values)
static <D extends DtObject> Criteria<D>	isBetween(DtFieldName<D> dtFieldName, CriterionLimit<D> min, CriterionLimit<D> max)
static <D extends DtObject> Criteria<D>	isEqualTo(DtFieldName<D> dtFieldName, Serializable value)
static <D extends DtObject> Criteria<D>	isGreaterThan(DtFieldName<D> dtFieldName, Serializable value)
static <D extends DtObject> Criteria<D>	isGreaterThanOrEqualTo(DtFieldName<D> dtFieldName, Serializable value)
static <D extends DtObject> Criteria<D>	isLessThan(DtFieldName<D> dtFieldName, Serializable value)
static <D extends DtObject> Criteria<D>	isLessThanOrEqualTo(DtFieldName<D> dtFieldName, Serializable value)
static <D extends DtObject> Criteria<D>	isNotEqualTo(DtFieldName<D> dtFieldName, Serializable value)
static <D extends DtObject> Criteria<D>	isNotNull(DtFieldName<D> dtFieldName)
static <D extends DtObject> Criteria<D>	isNull(DtFieldName<D> dtFieldName)
static <D extends DtObject> Criteria<D>	startsWith(DtFieldName<D> dtFieldName, String value)

Methods inherited from class java.lang.Object

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

Method Detail

isNull

public static <D extends DtObject> Criteria<D> isNull(DtFieldName<D> dtFieldName)

Parameters:

dtFieldName - the field

Returns:

is null

isNotNull

public static <D extends DtObject> Criteria<D> isNotNull(DtFieldName<D> dtFieldName)

Parameters:

dtFieldName - the field

Returns:

is not null

isEqualTo

public static <D extends DtObject> Criteria<D> isEqualTo(DtFieldName<D> dtFieldName,
                                                         Serializable value)

Parameters:

dtFieldName - the field

value - the value

Returns:

is equal to the value

isNotEqualTo

public static <D extends DtObject> Criteria<D> isNotEqualTo(DtFieldName<D> dtFieldName,
                                                            Serializable value)

Parameters:

dtFieldName - the field

value - the value

Returns:

is not equal to the value

isGreaterThan

public static <D extends DtObject> Criteria<D> isGreaterThan(DtFieldName<D> dtFieldName,
                                                             Serializable value)

Parameters:

dtFieldName - the field

value - the value

Returns:

is greater than the value

isGreaterThanOrEqualTo

public static <D extends DtObject> Criteria<D> isGreaterThanOrEqualTo(DtFieldName<D> dtFieldName,
                                                                      Serializable value)

Parameters:

dtFieldName - the field

value - the value

Returns:

is greater than or equal to the value

isLessThan

public static <D extends DtObject> Criteria<D> isLessThan(DtFieldName<D> dtFieldName,
                                                          Serializable value)

Parameters:

dtFieldName - the field

value - the value

Returns:

is less than the value

isLessThanOrEqualTo

public static <D extends DtObject> Criteria<D> isLessThanOrEqualTo(DtFieldName<D> dtFieldName,
                                                                   Serializable value)

Parameters:

dtFieldName - the field

value - the value

Returns:

is less than or equal to the value

startsWith

public static <D extends DtObject> Criteria<D> startsWith(DtFieldName<D> dtFieldName,
                                                          String value)

Parameters:

dtFieldName - the field

value - the value

Returns:

starts with the value

isBetween

public static <D extends DtObject> Criteria<D> isBetween(DtFieldName<D> dtFieldName,
                                                         CriterionLimit<D> min,
                                                         CriterionLimit<D> max)

Parameters:

dtFieldName - the field

min - the min value

max - the max value

Returns:

is between min and max

in

public static <D extends DtObject> Criteria<D> in(DtFieldName<D> dtFieldName,
                                                  Serializable... values)

Parameters:

dtFieldName - the field

values - list of allowed values

Returns:

is in a list of values

alwaysTrue

public static <D extends DtObject> Criteria<D> alwaysTrue()

An always true criteria.

Returns:

true

alwaysFalse

public static <D extends DtObject> Criteria<D> alwaysFalse()

An always false criteria.

Returns:

true