Package org.pentaho.reporting.engine.classic.core.states

Class LegacyDataRowWrapper

java.lang.Object

org.pentaho.reporting.engine.classic.core.states.LegacyDataRowWrapper

All Implemented Interfaces:

DataRow

public final class LegacyDataRowWrapper
extends Object
implements DataRow

This data-row wrapper supports the full interface as it was defined in version 0.8.9. This class makes sure that scripts and introspection code does not break. However, this class should not be used outside of that scope or evil things will happen.

Author:

Thomas Morgner

Constructor Summary

Constructors

Constructor	Description
LegacyDataRowWrapper()

Method Summary

Modifier and Type	Method	Description
int	findColumn(String name)
Object	get(int col)
Object	get(String col)	Returns the value of the function, expression or column using its specific name.
int	getColumnCount()
String	getColumnName(int col)
String[]	getColumnNames()	Returns the known column names, this data-row understands.
DataRow	getParent()
boolean	isChanged(int index)
boolean	isChanged(String name)	Checks whether the value contained in the column has changed since the last advance-operation.
void	setParent(DataRow parent)

Methods inherited from class java.lang.Object

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

Constructor Detail

LegacyDataRowWrapper

public LegacyDataRowWrapper()

Method Detail

getParent

public DataRow getParent()

setParent

public void setParent(DataRow parent)

get

public Object get(int col)

get

public Object get(String col)

Description copied from interface: DataRow

Returns the value of the function, expression or column using its specific name. The given name is translated into a valid column number and the the column is queried. For functions and expressions, the getValue() method is called and for columns from the tablemodel the tablemodel method getValueAt(row, column) gets called.

Specified by:

get in interface DataRow

Parameters:

col - the item index.

Returns:

the value.

getColumnName

public String getColumnName(int col)

findColumn

public int findColumn(String name)

getColumnCount

public int getColumnCount()

isChanged

public boolean isChanged(String name)

Description copied from interface: DataRow

Checks whether the value contained in the column has changed since the last advance-operation.

Specified by:

isChanged in interface DataRow

Parameters:

name - the name of the column.

Returns:

true, if the value has changed, false otherwise.

isChanged

public boolean isChanged(int index)

getColumnNames

public String[] getColumnNames()

Description copied from interface: DataRow

Returns the known column names, this data-row understands. The column names may change over time but do not change while a event is processed by a function. The array returned is a copy of the internal data-storage and can be safely modified.

Specified by:

getColumnNames in interface DataRow

Returns:

the column names as array.