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

Class FastGlobalView

java.lang.Object

org.pentaho.reporting.engine.classic.core.states.datarow.FastGlobalView

All Implemented Interfaces:

DataRow, MasterDataRowChangeHandler

public final class FastGlobalView
extends Object
implements DataRow, MasterDataRowChangeHandler

Constructor Summary

Constructors

Constructor	Description
FastGlobalView()
FastGlobalView(FastGlobalView parent)

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

FastGlobalView

public FastGlobalView(FastGlobalView parent)

FastGlobalView

public FastGlobalView()

Method Detail

getReusableEvent

public MasterDataRowChangeEvent getReusableEvent()

Specified by:

getReusableEvent in interface MasterDataRowChangeHandler

dataRowChanged

public void dataRowChanged(MasterDataRowChangeEvent chEvent)

Specified by:

dataRowChanged in interface MasterDataRowChangeHandler

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.

get

public Object get(String col)
           throws IllegalStateException

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.

Throws:

IllegalStateException

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.

derive

public FastGlobalView derive()

advance

public FastGlobalView advance()

validateChangedFlags

public void validateChangedFlags()