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

static Condition

TRIVIAL_CONDITION The trivial condition.

Constructor Summary

Condition()

Method Summary

abstract boolean

isSatisfied(DataImpl data) Indicates if a VisAD data object satisfies this condition.

Methods inherited from class java.lang.Object

clone, equals, finalize, 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.