org.codehaus.groovy.grails.orm.hibernate.validation
Class UniqueConstraint

java.lang.Object
  extended by org.codehaus.groovy.grails.validation.AbstractConstraint
      extended by org.codehaus.groovy.grails.orm.hibernate.validation.AbstractPersistentConstraint
          extended by org.codehaus.groovy.grails.orm.hibernate.validation.UniqueConstraint
All Implemented Interfaces:
PersistentConstraint, Constraint, ApplicationContextAware

public class UniqueConstraint
extends AbstractPersistentConstraint

A constraint that validates the uniqueness of a property (will query the database during validation process).

Since:
0.4

Created: Jan 23, 2007 Time: 2:00:55 PM

Author:
Graeme Rocher, Sergey Nebolsin

Field Summary
static String UNIQUE_CONSTRAINT
           
 
Fields inherited from class org.codehaus.groovy.grails.validation.AbstractConstraint
classShortName, constraintOwningClass, constraintParameter, constraintPropertyName, messageSource
 
Constructor Summary
UniqueConstraint()
           
 
Method Summary
 String getName()
           
 List getUniquenessGroup()
           
 boolean isUnique()
           
 boolean isUniqueWithinGroup()
           
protected  void processValidate(Object target, Object propertyValue, Errors errors)
           
 void setParameter(Object constraintParameter)
          The parameter which the constraint is validated against
 boolean supports(Class type)
          Returns whether the constraint supports being applied against the specified type;
 
Methods inherited from class org.codehaus.groovy.grails.orm.hibernate.validation.AbstractPersistentConstraint
getHibernateTemplate, setApplicationContext, validate
 
Methods inherited from class org.codehaus.groovy.grails.validation.AbstractConstraint
checkState, getDefaultMessage, getPropertyName, rejectValue, rejectValue, rejectValue, rejectValue, rejectValue, rejectValueWithDefaultMessage, setMessageSource, setOwningClass, setPropertyName, skipBlankValues, skipNullValues, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface org.codehaus.groovy.grails.validation.Constraint
getPropertyName, setMessageSource, setOwningClass, setPropertyName
 

Field Detail

UNIQUE_CONSTRAINT

public static final String UNIQUE_CONSTRAINT
See Also:
Constant Field Values
Constructor Detail

UniqueConstraint

public UniqueConstraint()
Method Detail

isUnique

public boolean isUnique()
Returns:
Returns the unique.

isUniqueWithinGroup

public boolean isUniqueWithinGroup()
Returns:
Whether the property is unique within a group

setParameter

public void setParameter(Object constraintParameter)
Description copied from interface: Constraint
The parameter which the constraint is validated against

Specified by:
setParameter in interface Constraint
Overrides:
setParameter in class AbstractConstraint
Parameters:
constraintParameter - The constraintParameter to set.

getName

public String getName()
Returns:
The name of the constraint

processValidate

protected void processValidate(Object target,
                               Object propertyValue,
                               Errors errors)
Specified by:
processValidate in class AbstractConstraint

getUniquenessGroup

public List getUniquenessGroup()

supports

public boolean supports(Class type)
Description copied from interface: Constraint
Returns whether the constraint supports being applied against the specified type;

Parameters:
type - The type to support
Returns:
True if the constraint can be applied against the specified type


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