org.eclipse.birt.data.engine.api
Interface IComputedColumn

All Known Implementing Classes:
ComputedColumn

public interface IComputedColumn

Describes a computed column defined for a data set, or a report query. A computed column has a name, and an JavaScript expression used to caculate value of the column.


Method Summary
 int getDataType()
          Gets the data type of the computed column.
 IBaseExpression getExpression()
          Gets the expression of the computed column
 java.lang.String getName()
          Gets the name of the computed column
 

Method Detail

getName

public java.lang.String getName()
Gets the name of the computed column


getExpression

public IBaseExpression getExpression()
Gets the expression of the computed column


getDataType

public int getDataType()
Gets the data type of the computed column.

Returns:
Data type as an integer.


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