visad.data.in

Class Condition

java.lang.Object

visad.data.in.Condition

Direct Known Subclasses:

AndCondition, MathTypeCondition, NotCondition, OrCondition

public abstract class Condition
extends java.lang.Object

Provides support for applying arbitrary conditions to VisAD data objects. This class supports data filters like Selector.

Instances are immutable.

Field Summary

Fields

Modifier and Type	Field and Description
static Condition	TRIVIAL_CONDITION The trivial condition.

Constructor Summary

Constructors

Constructor and Description
Condition()

Method Summary

Modifier and Type	Method and Description
abstract boolean	isSatisfied(DataImpl data) Indicates if a VisAD data object satisfies this condition.

Methods inherited from class java.lang.Object

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

Field Detail

TRIVIAL_CONDITION

public static Condition TRIVIAL_CONDITION

The trivial condition. The isSatisfied(visad.DataImpl) method of this condition always returns true.

Constructor Detail

Condition

public Condition()

Method Detail

isSatisfied

public abstract boolean isSatisfied(DataImpl data)

Indicates if a VisAD data object satisfies this condition.

Parameters:

data - A VisAD data object.

Returns:

true if and only if the VisAD data object satisfies this instance's condition.