com.highqsoft.fwk

Class FwkColumnScaledDataObserver

java.lang.Object

com.highqsoft.fwk.FwkColumnDataObserver

com.highqsoft.fwk.FwkColumnScaledDataObserver

All Implemented Interfaces:

FwkColumnDataObserverInterface, javax.infobus.DataItemChangeManager

public class FwkColumnScaledDataObserver
extends FwkColumnDataObserver
implements FwkColumnDataObserverInterface

The FwkColumnDataObserver is a observer that scales the data of another observer.

Since:

$Date: 2017/04/06 13:28:58 $

Version:

$Revision: 1.8 $

Author:

Andreas Hofmann

Field Summary

Fields

Modifier and Type	Field and Description
protected FwkColumnDataObserverInterface	source

Fields inherited from class com.highqsoft.fwk.FwkColumnDataObserver

changeManager, flags, globalFlag, globalFlagValid, suspended

Constructor Summary

Constructors

Constructor and Description
FwkColumnScaledDataObserver(FwkColumnDataObserverInterface source, double[] scale) The constructor.

Method Summary

Methods

Modifier and Type	Method and Description
int	getCount() Get the total number of values.
short	getFlagAt(int index) Get a data flag.
java.lang.Class	getNativeDatatype() Get the naticve datatype.
java.lang.Object	getNativeValues() Get the native unscaled values from source
java.lang.Object	getNativeValues(int lower, int upper) Get the native unscaled values from source
FwkColumnDataObserverInterface	getSource() Retrieve the observer source.
double	getValueAt(int index) Get the value at a specific position.
boolean	isImplicit() Return a boolean whether the data is implicit defined.
void	release() Request to release data.
void	setFlagAt(int index, short flag) Set a flag
void	setValueAt(int index, double value) Set the value at a specific position.

Methods inherited from class com.highqsoft.fwk.FwkColumnDataObserver

addDataItemChangeListener, createScale, getScale, isChangeManagerSuspended, removeDataItemChangeListener, setScale, suspendChangeManager

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.highqsoft.interfaces.fwk.FwkColumnDataObserverInterface

getScale, isChangeManagerSuspended, setScale, suspendChangeManager

Methods inherited from interface javax.infobus.DataItemChangeManager

addDataItemChangeListener, removeDataItemChangeListener

Field Detail

source

protected FwkColumnDataObserverInterface source

Constructor Detail

FwkColumnScaledDataObserver

public FwkColumnScaledDataObserver(FwkColumnDataObserverInterface source,
                           double[] scale)

The constructor.

Parameters:

source - the source to be scaled.

Method Detail

getSource

public FwkColumnDataObserverInterface getSource()

Retrieve the observer source.

Returns:

the source observer.

release

public void release()

Request to release data. This method do not release the source.

Specified by:

release in interface FwkColumnDataObserverInterface

Overrides:

release in class FwkColumnDataObserver

getFlagAt

public short getFlagAt(int index)

Get a data flag.

Specified by:

getFlagAt in interface FwkColumnDataObserverInterface

Overrides:

getFlagAt in class FwkColumnDataObserver

Parameters:

index - The index of the flag.

Returns:

the flag.

See Also:

FwkColumnAccessInterface

setFlagAt

public void setFlagAt(int index,
             short flag)

Set a flag

Specified by:

setFlagAt in interface FwkColumnDataObserverInterface

Overrides:

setFlagAt in class FwkColumnDataObserver

Parameters:

index - the index of the flag to changed.

flag - the new flag.

See Also:

FwkColumnAccessInterface

isImplicit

public boolean isImplicit()

Return a boolean whether the data is implicit defined.

Specified by:

isImplicit in interface FwkColumnDataObserverInterface

Overrides:

isImplicit in class FwkColumnDataObserver

Returns:

true if the data is implicit defined.

getCount

public int getCount()

Get the total number of values.

Specified by:

getCount in interface FwkColumnDataObserverInterface

Returns:

the total number of values.

getNativeDatatype

public java.lang.Class getNativeDatatype()

Get the naticve datatype.

Specified by:

getNativeDatatype in interface FwkColumnDataObserverInterface

Returns:

the class of the native values.

getNativeValues

public java.lang.Object getNativeValues()

Get the native unscaled values from source

Specified by:

getNativeValues in interface FwkColumnDataObserverInterface

Returns:

the native values.

getNativeValues

public java.lang.Object getNativeValues(int lower,
                               int upper)

Get the native unscaled values from source

Specified by:

getNativeValues in interface FwkColumnDataObserverInterface

Parameters:

lower - the lower index of the requested area.

upper - the upper index of the requested area.

Returns:

the native values.

getValueAt

public double getValueAt(int index)

Get the value at a specific position.

Specified by:

getValueAt in interface FwkColumnDataObserverInterface

Parameters:

index - The index of the value.

Returns:

the value.

setValueAt

public void setValueAt(int index,
              double value)

Set the value at a specific position.

Specified by:

setValueAt in interface FwkColumnDataObserverInterface

Parameters:

index - the index position.

value - the new value.