sk.baka.tools.jpa
Class CriteriaList.Criteria

java.lang.Object
  sk.baka.tools.jpa.CriteriaList.Criteria

All Implemented Interfaces:

Serializable

Enclosing class:

CriteriaList

@Immutable
public static class CriteriaList.Criteria
extends Object
implements Serializable

Holds a single criteria.

See Also:

Serialized Form

Field Summary

Serializable	desiredValue the desired value.
String	jpaField The JPA field to match (or a valid JPA expression)
OperatorEnum	operator The operator to use.

Constructor Summary

CriteriaList.Criteria(String jpaField, OperatorEnum op, Serializable desiredValue)
Creates a new criteria object.

Method Summary

boolean	equals(Object obj)
CriteriaList.Criteria	getWithPrefix(String prefix) Prefixes the JPA field expression with given prefix and returns a new Criteria object.
int	hashCode()
String	toJpaQueryCondition(List<Object> parameters) Converts this criteria to a JPA WHERE condition.

Methods inherited from class java.lang.Object

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

Field Detail

desiredValue

public final Serializable desiredValue

the desired value.

operator

public final OperatorEnum operator

The operator to use.

jpaField

public final String jpaField

The JPA field to match (or a valid JPA expression)

Constructor Detail

CriteriaList.Criteria

public CriteriaList.Criteria(String jpaField,
                             OperatorEnum op,
                             Serializable desiredValue)

Creates a new criteria object.

Parameters:

jpaField - the JPA field name or an expression.

desiredValue - the desired value.

op - the operator to use.

Method Detail

toJpaQueryCondition

public String toJpaQueryCondition(List<Object> parameters)

Converts this criteria to a JPA WHERE condition.

Parameters:

parameters - current list of parameters. The query parameters are added to this list by the method.

Returns:

a condition (wrapped in parenthesis)

getWithPrefix

public CriteriaList.Criteria getWithPrefix(String prefix)

Prefixes the JPA field expression with given prefix and returns a new Criteria object.

Parameters:

prefix - the prefix to use

Returns:

new criteria with prefixed JPA column.

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object