org.eclipse.birt.report.engine.extension
Interface IRowMetaData

public interface IRowMetaData

Defines a row that the extension might receive. Each column in a row comes from the evaluation of a expression. The getColumnExpression method returns such an expression.

Method Summary

int	getColumnCount() Returns the number of columns in a detail row of the result set.
java.lang.String	getColumnName(int index) Returns the column name at the specified index.
int	getColumnType(int index)

Method Detail

getColumnCount

public int getColumnCount()

Returns the number of columns in a detail row of the result set.

Returns:

the number of columns in a detail row.

getColumnName

public java.lang.String getColumnName(int index)
                               throws org.eclipse.birt.core.exception.BirtException

Returns the column name at the specified index.

Parameters:

index - The projected column index.

Returns:

The name of the specified column.

Throws:

org.eclipse.birt.data.engine.core.DataException - if given index is invalid.

org.eclipse.birt.core.exception.BirtException

getColumnType

public int getColumnType(int index)
                  throws org.eclipse.birt.core.exception.BirtException

Throws:

org.eclipse.birt.core.exception.BirtException