Package noaa.coastwatch.render.feature

Class NumberRule

java.lang.Object

noaa.coastwatch.render.feature.AttributeRule<Number>

noaa.coastwatch.render.feature.NumberRule

All Implemented Interfaces:

Cloneable, SelectionRule

public class NumberRule
extends AttributeRule<Number>

A NumberRule provides a selection mechanism for features based on the numercial value of one of the attributes.

Since:

3.3.2

Author:

Peter Hollemans

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	NumberRule.Operator	The operators for this class of rule.

Field Summary

Fields inherited from class noaa.coastwatch.render.feature.AttributeRule

matchAttName, matchAttValue, nameMap, operator

Constructor Summary

Constructors

Constructor	Description
NumberRule(String attName, Map<String,Integer> nameMap, Number numberValue)	Creates a new number rule.

Method Summary

Modifier and Type	Method	Description
static void	main(String[] argv)	Tests this class.
boolean	matches(Feature feature)	Determines if a feature matches the rule.
Enum[]	operators()	Gets an array of operators that are valid for this rule.

Methods inherited from class noaa.coastwatch.render.feature.AttributeRule

clone, getAttribute, getOperator, getValue, setAttribute, setOperator, setValue, toString

Methods inherited from class java.lang.Object

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

Constructor Details

NumberRule

public NumberRule(String attName,
 Map<String,Integer> nameMap,
 Number numberValue)

Creates a new number rule.

Parameters:

attName - the attribute name to use for matching.

nameMap - the name to index mapping.

numberValue - the number value to use for matching.

Method Details

operators

public Enum[] operators()

Description copied from class: AttributeRule

Gets an array of operators that are valid for this rule.

Specified by:

operators in class AttributeRule<Number>

Returns:

the array of valid operators.

matches

public boolean matches(Feature feature)

Description copied from interface: SelectionRule

Determines if a feature matches the rule.

Parameters:

feature - the feature to check.

Returns:

true if the feature matches this rule or false if not.

main

public static void main(String[] argv)
                 throws Exception

Tests this class.

Parameters:

argv - the array of command line parameters.

Throws:

Exception