ilog.views.maps.attribute
Class IlvDoubleAttribute

java.lang.Object
  ilog.views.maps.IlvFeatureAttribute
      ilog.views.maps.attribute.IlvDoubleAttribute

All Implemented Interfaces:

IlvPersistentObject

Direct Known Subclasses:

IlvAltitudeAttribute, IlvAngleAttribute, IlvDistanceAttribute

public class IlvDoubleAttribute
extends IlvFeatureAttribute

This feature attribute stores an attribute of type double.

Since:

ILOG JViews 3.0

Constructor Summary

IlvDoubleAttribute(double value)
Creates a floating point double attribute.

IlvDoubleAttribute(IlvDoubleAttribute source)
Copies this map attribute.

IlvDoubleAttribute(IlvInputStream stream)
Reads an IlvDoubleAttribute from an IlvInputStream.

Method Summary

IlvFeatureAttribute	copy() Returns a copy of the object.
static double	DoubleValue(IlvAttributeProperty attributes, String name) Returns the double value of the IlvDoubleAttribute whose name is specified.
double	getValue() Returns the double value of the attribute.
void	setValue(double value) Sets the value of the attribute.
String	toString() Converts the attribute into a string.
void	write(IlvOutputStream stream) Writes this to an IlvOutputStream.

Methods inherited from class java.lang.Object

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

Constructor Detail

IlvDoubleAttribute

public IlvDoubleAttribute(double value)

Creates a floating point double attribute.

Parameters:

value - the value of this attribute.

IlvDoubleAttribute

public IlvDoubleAttribute(IlvInputStream stream)
                   throws IlvReadFileException

Reads an IlvDoubleAttribute from an IlvInputStream.

Parameters:

stream - the input stream.

Throws:

IlvReadFileException - if the format is not correct.

IlvDoubleAttribute

public IlvDoubleAttribute(IlvDoubleAttribute source)

Copies this map attribute.

Parameters:

source - the object to be copied.

Method Detail

write

public void write(IlvOutputStream stream)
           throws IOException

Writes this to an IlvOutputStream.

Specified by:

write in interface IlvPersistentObject

Overrides:

write in class IlvFeatureAttribute

Parameters:

stream - the output stream.

Throws:

IOException - if an error occurs.

getValue

public double getValue()

Returns the double value of the attribute.

setValue

public void setValue(double value)

Sets the value of the attribute.

Parameters:

value - the new value to be set.

toString

public String toString()

Converts the attribute into a string.

Overrides:

toString in class Object

copy

public IlvFeatureAttribute copy()

Returns a copy of the object.

Specified by:

copy in class IlvFeatureAttribute

Returns:

a copy of this IlvFeatureAttribute.

DoubleValue

public static double DoubleValue(IlvAttributeProperty attributes,
                                 String name)

Returns the double value of the IlvDoubleAttribute whose name is specified.

Parameters:

attributes - The IlvAttributeProperty that stores the attributes.

name - The name of the attribute.

Returns:

The value of the IlvDoubleAttribute as a double or Double.NaN, if the attribute is null.

Since:

JViews 5.5