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

java.lang.Object
  extended byorg.eclipse.birt.report.model.validators.AbstractSemanticValidator
      extended byorg.eclipse.birt.report.model.validators.AbstractElementValidator
          extended byorg.eclipse.birt.report.model.api.validators.DataSetRequiredValidator

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

Validates the data set of some special elements should be provided.

Rule

The rule is that the ListingElement.DATA_SET_PROP should be set on the element itself or its container which is also a listing element; the ICubeModel.DATA_SET_PROP should be set in the cube element; the IReportItemModel.DATA_SET_PROP should be set in the extended items.

Applicability

This validator is applied to ListingElement, Cube and ExtendedItem.


Field Summary
 
Fields inherited from class org.eclipse.birt.report.model.validators.AbstractSemanticValidator
modules, name
 
Constructor Summary
DataSetRequiredValidator()
           
 
Method Summary
static DataSetRequiredValidator 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 whether the data set of the given listing element is provided.
 
Methods inherited from class org.eclipse.birt.report.model.validators.AbstractSemanticValidator
canApplyToDesign, canApplyToLibrary, getName, setModules, setName
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

DataSetRequiredValidator

public DataSetRequiredValidator()
Method Detail

getInstance

public static DataSetRequiredValidator 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 whether the data set of the given listing element is provided.

Parameters:
module - the module
element - the listing element to validate
Returns:
error list, each of which is the instance of SemanticException.


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