org.eclipse.birt.chart.internal.factory
Class SqlDataRowEvaluator

java.lang.Object
  org.eclipse.birt.chart.factory.DataRowExpressionEvaluatorAdapter
      org.eclipse.birt.chart.internal.factory.SqlDataRowEvaluator

All Implemented Interfaces:

IDataRowExpressionEvaluator

public class SqlDataRowEvaluator

extends DataRowExpressionEvaluatorAdapter

A java.sql.ResultSet implementation for IDataRowExpressionEvaluator.

Constructor Summary

SqlDataRowEvaluator(java.sql.ResultSet resultSet)
The constructor.

Method Summary

void	close() Closes the underlying resultset.
java.lang.Object	evaluate(java.lang.String expression) Evaluates the expression based on the current row
boolean	first() Moves to the first row.
boolean	next() Moves to the next row.

Methods inherited from class org.eclipse.birt.chart.factory.DataRowExpressionEvaluatorAdapter

evaluateGlobal

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SqlDataRowEvaluator

public SqlDataRowEvaluator(java.sql.ResultSet resultSet)

The constructor.

Parameters:

resultSet -

Method Detail

evaluate

public java.lang.Object evaluate(java.lang.String expression)

Description copied from interface: IDataRowExpressionEvaluator

Evaluates the expression based on the current row

Specified by:

evaluate in interface IDataRowExpressionEvaluator

Overrides:

evaluate in class DataRowExpressionEvaluatorAdapter

next

public boolean next()

Description copied from interface: IDataRowExpressionEvaluator

Moves to the next row.

Specified by:

next in interface IDataRowExpressionEvaluator

Overrides:

next in class DataRowExpressionEvaluatorAdapter

close

public void close()

Description copied from interface: IDataRowExpressionEvaluator

Closes the underlying resultset. This is optional (it can be a no-op if the close is handled externally or not needed).

Specified by:

close in interface IDataRowExpressionEvaluator

Overrides:

close in class DataRowExpressionEvaluatorAdapter

first

public boolean first()

Description copied from interface: IDataRowExpressionEvaluator

Moves to the first row. Optional if already positioned on the first row when passed to Generator.bindData()

Specified by:

first in interface IDataRowExpressionEvaluator

Overrides:

first in class DataRowExpressionEvaluatorAdapter