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

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.DataColumnNameValidator

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

Validates the result set column of the data item.

Rule

The rule is that

Applicability

This validator is only applied to DataItem.


Field Summary
 
Fields inherited from class org.eclipse.birt.report.model.validators.AbstractSemanticValidator
modules, name
 
Constructor Summary
DataColumnNameValidator()
           
 
Method Summary
static ComputedColumn getColumn(java.util.List columns, java.lang.String name)
          Gets the column with the given expression bound the given list.
static DataColumnNameValidator 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 page size is invalid.
 
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

DataColumnNameValidator

public DataColumnNameValidator()
Method Detail

getInstance

public static DataColumnNameValidator 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 page size is invalid.

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

getColumn

public static ComputedColumn getColumn(java.util.List columns,
                                       java.lang.String name)
Gets the column with the given expression bound the given list.

Parameters:
columns - the binding columns
name - the column binding name
Returns:
the bound column


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