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org.eclipse.emf.validation.service
Class ConstraintFactory

java.lang.Object
  extended by 
org.eclipse.emf.validation.service.ConstraintFactory

public abstract class ConstraintFactory
extends Object

A constraint factory creates constraint implementations from descriptors. The intent is to support registration of custom factory implementations, but currently, the only implementation is the XmlConstraintFactory.

This class is not intended to be used outside of the validation framework.


Constructor Summary
protected ConstraintFactory ()
          Initializes me.
 
Method Summary
protected abstract   IModelConstraint createConstraint ( IConstraintDescriptor descriptor)
          Implemented by subclasses to do the hard work of creating a constraint.
protected abstract   IModelConstraint createConstraint ( IXmlConstraintDescriptor descriptor)
          Deprecated. Use the createConstraint(IConstraintDescriptor) method, instead
static  ConstraintFactory getInstance ()
          Obtains the currently registered factory instance.
  IModelConstraint newConstraint ( IConstraintDescriptor descriptor)
          Creates the constraint represented by the specified descriptor.
  IModelConstraint newConstraint ( IXmlConstraintDescriptor descriptor)
          Deprecated. Use the newConstraint(IConstraintDescriptor) method, instead
 
Methods inherited from class java.lang. Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ConstraintFactory

protected ConstraintFactory()
Initializes me.

Method Detail

getInstance

public static 
ConstraintFactory getInstance()
Obtains the currently registered factory instance.

Returns:
the constraint factory instance

newConstraint



@Deprecated
public final 
IModelConstraint newConstraint(
IXmlConstraintDescriptor descriptor)
Deprecated. Use the newConstraint(IConstraintDescriptor) method, instead

Creates the constraint represented by the specified descriptor. This method never fails to return a valid constraint implementation (though it may be a proxy for a disabled constraint if the descriptor is invalid). This method delegates to the superclass implementation of the createConstraint(org.eclipse.emf.validation.xml.IXmlConstraintDescriptor) method.

Parameters:
descriptor - the constraint descriptor
Returns:
the corresponding constraint implementation
See Also:
createConstraint(org.eclipse.emf.validation.xml.IXmlConstraintDescriptor)

createConstraint



@Deprecated
protected abstract 
IModelConstraint createConstraint(
IXmlConstraintDescriptor descriptor)
Deprecated. Use the createConstraint(IConstraintDescriptor) method, instead

Implemented by subclasses to do the hard work of creating a constraint.

Parameters:
descriptor - a descriptor of the constraint to be created
Returns:
the appropriate implementation of the constraint

newConstraint

public final 
IModelConstraint newConstraint(
IConstraintDescriptor descriptor)
Creates the constraint represented by the specified descriptor. This method never fails to return a valid constraint implementation (though it may be a proxy for a disabled constraint if the descriptor is invalid). This method delegates to the superclass implementation of the createConstraint(org.eclipse.emf.validation.xml.IXmlConstraintDescriptor) method.

Parameters:
descriptor - the constraint descriptor
Returns:
the corresponding constraint implementation
Since:
1.1
See Also:
createConstraint(org.eclipse.emf.validation.xml.IXmlConstraintDescriptor)

createConstraint

protected abstract 
IModelConstraint createConstraint(
IConstraintDescriptor descriptor)
Implemented by subclasses to do the hard work of creating a constraint.

Parameters:
descriptor - a descriptor of the constraint to be created
Returns:
the appropriate implementation of the constraint
Since:
1.1

Copyright 2002, 2007 IBM Corporation and others.
All Rights Reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire