org.mov.parser.expression
Class UnaryExpression

java.lang.Object
  org.mov.parser.expression.AbstractExpression
      org.mov.parser.expression.UnaryExpression

All Implemented Interfaces:

java.lang.Cloneable, Expression

Direct Known Subclasses:

AbsExpression, CosineExpression, DefineVariableExpression, ExponentialExpression, LogarithmExpression, NotExpression, SetVariableExpression, SineExpression, SqrtExpression

public abstract class UnaryExpression
extends AbstractExpression

Abstract base class for all expressions requiring a single argument.

Field Summary

Fields inherited from interface org.mov.parser.Expression

BOOLEAN_TYPE, FALSE, FLOAT_QUOTE_TYPE, FLOAT_TYPE, INTEGER_QUOTE_TYPE, INTEGER_TYPE, STRING_TYPE, TRUE, TRUE_LEVEL

Constructor Summary

UnaryExpression(Expression sub)
Create a new unary expression with the given argument.

Method Summary

int	getChildCount() Return the number of children required in a unary expression.

Methods inherited from class org.mov.parser.expression.AbstractExpression

clone, equals, getChild, getIndex, getNumberFormat, getParent, hashCode, isRoot, iterator, parseDouble, parseInt, setChild, setParent, simplify, size, size, valueOfDouble, valueOfInt

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.mov.parser.Expression

checkType, evaluate, getType, toString

Constructor Detail

UnaryExpression

public UnaryExpression(Expression sub)

Create a new unary expression with the given argument.

Parameters:

sub - the sub argument

Method Detail

getChildCount

public int getChildCount()

Return the number of children required in a unary expression. This will always evaluate to 1.

Returns:

1