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

java.lang.Object
  extended by org.eclipse.birt.report.model.validators.AbstractSemanticValidator
      extended by org.eclipse.birt.report.model.validators.AbstractPropertyValidator
          extended by org.eclipse.birt.report.model.api.validators.ValueRequiredValidator

public class ValueRequiredValidator
extends org.eclipse.birt.report.model.validators.AbstractPropertyValidator

Validates the property value is required.

Rule

The rule is that the value should be provided for one required property.

Applicability

This validator is only applied to the required properties of DesignElement.


Field Summary
static java.lang.String NAME
          Name of this validator
 
Fields inherited from class org.eclipse.birt.report.model.validators.AbstractSemanticValidator
modules, name
 
Constructor Summary
ValueRequiredValidator()
           
 
Method Summary
static ValueRequiredValidator 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, java.lang.String propName)
          Validates whether value is set for the given required property.
 
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
Constructor Detail

ValueRequiredValidator

public ValueRequiredValidator()
Method Detail

getInstance

public static ValueRequiredValidator 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,
                               java.lang.String propName)
Validates whether value is set for the given required property.

Specified by:
validate in class org.eclipse.birt.report.model.validators.AbstractPropertyValidator
Parameters:
module - the module
element - the element holding this required property
propName - the name of the property to validate
Returns:
error list, each of which is the instance of SemanticException.


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