prefuse.data.expression

Class OrPredicate

java.lang.Object

prefuse.data.expression.AbstractExpression

prefuse.data.expression.AbstractPredicate

prefuse.data.expression.CompositePredicate

prefuse.data.expression.OrPredicate

All Implemented Interfaces:

java.util.EventListener, ExpressionListener, Expression, Predicate

public class OrPredicate
extends CompositePredicate

Predicate representing an "or" clause of sub-predicates.

Field Summary

Fields inherited from class prefuse.data.expression.CompositePredicate

m_clauses

Constructor Summary

Constructors

Constructor and Description
OrPredicate() Create an empty OrPredicate.
OrPredicate(Predicate p1) Create a new OrPredicate.
OrPredicate(Predicate p1, Predicate p2) Create a new OrPredicate.

Method Summary

Modifier and Type	Method and Description
boolean	getBoolean(Tuple t) By default, throws an UnsupportedOperationException.
java.lang.String	toString()

Methods inherited from class prefuse.data.expression.CompositePredicate

add, addChildListeners, clear, get, getSubPredicate, remove, removeChildListeners, set, set, size, toString, visit

Methods inherited from class prefuse.data.expression.AbstractPredicate

get, getType

Methods inherited from class prefuse.data.expression.AbstractExpression

addExpressionListener, expressionChanged, fireExpressionChange, getDouble, getFloat, getInt, getLong, hasListeners, removeExpressionListener

Methods inherited from class java.lang.Object

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

Methods inherited from interface prefuse.data.expression.Expression

addExpressionListener, getDouble, getFloat, getInt, getLong, removeExpressionListener

Constructor Detail

OrPredicate

public OrPredicate()

Create an empty OrPredicate. Empty OrPredicates return false by default.

OrPredicate

public OrPredicate(Predicate p1)

Create a new OrPredicate.

Parameters:

p1 - the sole clause of this predicate

OrPredicate

public OrPredicate(Predicate p1,
                   Predicate p2)

Create a new OrPredicate.

Parameters:

p1 - the first clause of this predicate

p2 - the second clause of this predicate

Method Detail

getBoolean

public boolean getBoolean(Tuple t)

Description copied from class: AbstractExpression

By default, throws an UnsupportedOperationException.

Specified by:

getBoolean in interface Expression

Overrides:

getBoolean in class AbstractExpression

Parameters:

t - the input Tuple

Returns:

the Expression return value, as a boolean

See Also:

Expression.getBoolean(prefuse.data.Tuple)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()