org.eclipse.birt.report.model.api.validators
Class ElementExtendsValidator

java.lang.Object
  extended by org.eclipse.birt.report.model.validators.AbstractSemanticValidator
      extended by org.eclipse.birt.report.model.validators.AbstractElementValidator
          extended by org.eclipse.birt.report.model.api.validators.ElementExtendsValidator

public class ElementExtendsValidator
extends org.eclipse.birt.report.model.validators.AbstractElementValidator

Validates the element extends property. If the value can refer to an actual element, it will be resolved after validation.

Rule

The rule is that the element extends value should refer to an actual element in the same report or included libraries.

Applicability

This validator is only applied to the element extends property.


Field Summary
protected static ElementExtendsValidator instance
          The singleton instance of the validator.
static java.lang.String NAME
          Name of this validator.
 
Fields inherited from class org.eclipse.birt.report.model.validators.AbstractSemanticValidator
modules, name
 
Constructor Summary
ElementExtendsValidator()
           
 
Method Summary
static ElementExtendsValidator getInstance()
          Returns the singleton validator instance.
 java.util.List validate(org.eclipse.birt.report.model.core.Module module, org.eclipse.birt.report.model.core.DesignElement element)
          Validates the element reference value can refer to an actual element.
 
Methods inherited from class org.eclipse.birt.report.model.validators.AbstractSemanticValidator
canApplyToDesign, canApplyToLibrary, getName, isInTemplateParameterDefinitionSlot, setModules, setName
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

NAME

public static final java.lang.String NAME
Name of this validator.

See Also:
Constant Field Values

instance

protected static final ElementExtendsValidator instance
The singleton instance of the validator.

Constructor Detail

ElementExtendsValidator

public ElementExtendsValidator()
Method Detail

getInstance

public static ElementExtendsValidator getInstance()
Returns the singleton validator instance.

Returns:
the validator instance

validate

public java.util.List validate(org.eclipse.birt.report.model.core.Module module,
                               org.eclipse.birt.report.model.core.DesignElement element)
Validates the element reference value can refer to an actual element.

Specified by:
validate in class org.eclipse.birt.report.model.validators.AbstractElementValidator
Parameters:
module - the module
element - the element to validate
Returns:
error list, each of which is the instance of SemanticException.


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