com.highqsoft.util.ubh

Class ERGDoubleDataObserver

java.lang.Object

com.highqsoft.fwk.FwkColumnDataObserver

com.highqsoft.util.ubh.ERGDataObserver

com.highqsoft.util.ubh.ERGDoubleDataObserver

All Implemented Interfaces:

FwkColumnDataObserverInterface, javax.infobus.DataItemChangeManager

public class ERGDoubleDataObserver
extends ERGDataObserver

The ERGDoubleDataObserver.

Since:

$Date: 2017/04/06 13:29:15 $

Version:

$Revision: 1.14 $

Author:

Andreas Hofmann

See Also:

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	version

Fields inherited from class com.highqsoft.util.ubh.ERGDataObserver

buffer, file, fileChannel, fileSpec, mappedByteBuffer

Fields inherited from class com.highqsoft.fwk.FwkColumnDataObserver

changeManager, flags, globalFlag, globalFlagValid, suspended

Constructor Summary

Constructors

Constructor and Description
ERGDoubleDataObserver(UBHInterface ubh, int signal, java.lang.String fileSpec) The constructor.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	createBuffer() create the reading buffer.
int	getDataSizeInByte() get the size of one item in bytes.
java.lang.Class	getNativeDatatype() Get the data type of inner values.
protected double	getNativeValueAt(int index)
java.lang.Object	getNativeValues() Get the inner values.
java.lang.Object	getNativeValues(int lower, int upper) Get a range of the inner values.
double	getValueAt(int index) Get a data value.
java.lang.String	getVersion()
void	setValueAt(int index, double value) Set a value

Methods inherited from class com.highqsoft.util.ubh.ERGDataObserver

finalize, getCount, initializeFile, main, release, releaseFile, seek, setFlagAt

Methods inherited from class com.highqsoft.fwk.FwkColumnDataObserver

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

Methods inherited from class java.lang.Object

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

Field Detail

version

public static final java.lang.String version

See Also:

Constant Field Values

Constructor Detail

ERGDoubleDataObserver

public ERGDoubleDataObserver(UBHInterface ubh,
                     int signal,
                     java.lang.String fileSpec)
                      throws java.io.FileNotFoundException,
                             java.io.IOException

The constructor.

Parameters:

ubh - The universal binary header.

signal - the signal number.

fileSpec - the file specification.

Throws:

java.io.FileNotFoundException

java.io.IOException

Method Detail

getVersion

public java.lang.String getVersion()

Overrides:

getVersion in class ERGDataObserver

getDataSizeInByte

public int getDataSizeInByte()

get the size of one item in bytes.

Specified by:

getDataSizeInByte in class ERGDataObserver

Returns:

the size of one item.

getValueAt

public double getValueAt(int index)
                  throws java.lang.RuntimeException

Get a data value.

Parameters:

index - The index of the value.

Returns:

the value.

Throws:

java.lang.RuntimeException

getNativeValueAt

protected double getNativeValueAt(int index)
                           throws java.lang.RuntimeException

Throws:

java.lang.RuntimeException

setValueAt

public void setValueAt(int index,
              double value)
                throws java.lang.RuntimeException

Set a value

Parameters:

index - the index of the value to changed.

value - the new value.

Throws:

java.lang.RuntimeException

createBuffer

protected void createBuffer()

create the reading buffer.

Specified by:

createBuffer in class ERGDataObserver

getNativeDatatype

public java.lang.Class getNativeDatatype()

Get the data type of inner values.

Returns:

the class of the inner value

getNativeValues

public java.lang.Object getNativeValues()

Get the inner values.

Returns:

An array containing the inner values.

getNativeValues

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

Get a range of the inner values.

Parameters:

lower - the lower index of the range of interest.

upper - the upper index of the range of interest.

Returns:

An array containing the inner values.