com.threerings.expr
Class BooleanExpression

java.lang.Object
  com.threerings.util.DeepObject
      com.threerings.expr.BooleanExpression

All Implemented Interfaces:

Exportable, Copyable, Cloneable

Direct Known Subclasses:

BooleanExpression.BinaryOperation, BooleanExpression.Constant, BooleanExpression.FloatBinaryOperation, BooleanExpression.Not, BooleanExpression.Parsed, BooleanExpression.Reference, BooleanExpression.StringEquals

@EditorTypes(value={BooleanExpression.Parsed.class,BooleanExpression.Constant.class,BooleanExpression.Reference.class,BooleanExpression.Not.class,BooleanExpression.And.class,BooleanExpression.Or.class,BooleanExpression.Xor.class,BooleanExpression.BooleanEquals.class,BooleanExpression.FloatLess.class,BooleanExpression.FloatGreater.class,BooleanExpression.FloatEquals.class,BooleanExpression.FloatLessEquals.class,BooleanExpression.FloatGreaterEquals.class,BooleanExpression.StringEquals.class})
public abstract class BooleanExpression
extends DeepObject
implements Exportable

A boolean-valued expression.

Nested Class Summary

static class	BooleanExpression.And Computes the logical AND of its operands.
static class	BooleanExpression.BinaryOperation The superclass of the binary operations.
static class	BooleanExpression.BooleanEquals Checks the equality of its operands.
static class	BooleanExpression.Constant A constant expression.
static class	BooleanExpression.Evaluator Performs the actual evaluation of the expression.
static class	BooleanExpression.FloatBinaryOperation The superclass of the operations involving two float expressions.
static class	BooleanExpression.FloatEquals Determines whether the first float is equal to the second.
static class	BooleanExpression.FloatGreater Determines whether the first float is greater than the second.
static class	BooleanExpression.FloatGreaterEquals Determines whether the first float is greater than or equal to the second.
static class	BooleanExpression.FloatLess Determines whether the first float is less than the second.
static class	BooleanExpression.FloatLessEquals Determines whether the first float is greater than or equal to the second.
static class	BooleanExpression.Not Returns the logical NOT of the sub-expression.
static class	BooleanExpression.Or Computes the logical OR of its operands.
static class	BooleanExpression.Parsed An expression entered as a string to be parsed.
static class	BooleanExpression.Reference A reference expression.
static class	BooleanExpression.StringEquals Compares two strings for equality.
static class	BooleanExpression.Xor Computes the logical XOR of its operands.

Constructor Summary

BooleanExpression()

Method Summary

abstract BooleanExpression.Evaluator	createEvaluator(Scope scope) Creates an expression evaluator for the supplied context.
void	invalidate() Invalidates any cached data.

Methods inherited from class com.threerings.util.DeepObject

clone, copy, copy, equals, hashCode, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

BooleanExpression

public BooleanExpression()

Method Detail

createEvaluator

public abstract BooleanExpression.Evaluator createEvaluator(Scope scope)

Creates an expression evaluator for the supplied context.

invalidate

public void invalidate()

Invalidates any cached data.