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

Class AbstractDataFactory.DataRowWrapper

java.lang.Object

org.pentaho.reporting.engine.classic.core.AbstractDataFactory.DataRowWrapper

All Implemented Interfaces:

DataRow

Enclosing class:

AbstractDataFactory

protected static class AbstractDataFactory.DataRowWrapper
extends Object
implements DataRow

Constructor Summary

Constructors

Constructor	Description
DataRowWrapper(DataRow parent)

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

DataRowWrapper

public DataRowWrapper(DataRow parent)

Method Detail

get

public Object get(String name)

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:

name - the item index.

Returns:

the value.

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.

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.