nz.org.venice.parser.expression
Class QuaternaryExpression

java.lang.Object
  nz.org.venice.parser.expression.AbstractExpression
      nz.org.venice.parser.expression.QuaternaryExpression

All Implemented Interfaces:

java.lang.Cloneable, Expression

Direct Known Subclasses:

CorrExpression, EMAExpression, ForExpression

public abstract class QuaternaryExpression

extends AbstractExpression

Abstract base class for all expressions requiring four arguments.

Field Summary

Fields inherited from interface nz.org.venice.parser.Expression

BOOLEAN_TYPE, FALSE, FLOAT_QUOTE_TYPE, FLOAT_TYPE, INTEGER_QUOTE_TYPE, INTEGER_SHORT_TYPE, INTEGER_TYPE, NUMERIC_TYPE, STRING_TYPE, TRUE, TRUE_LEVEL, UNDEFINED_TYPE

Constructor Summary

QuaternaryExpression(Expression arg1, Expression arg2, Expression arg3, Expression arg4)
Create a new quaternary expression with the given four arguments.

Method Summary

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

Methods inherited from class nz.org.venice.parser.expression.AbstractExpression

clone, equals, getChild, getId, getIndex, getNumberFormat, getParent, getParseMetadata, hashCode, isRoot, iterator, parseDouble, parseInt, printParents, setChild, setChildMutableVersion, setParent, setParseMetadata, simplify, simplifyMutableVersion, size, size, toString, validTree, valueOfDouble, valueOfInt

Methods inherited from class java.lang.Object

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

Methods inherited from interface nz.org.venice.parser.Expression

checkType, evaluate, getType

Constructor Detail

QuaternaryExpression

public QuaternaryExpression(Expression arg1,
                            Expression arg2,
                            Expression arg3,
                            Expression arg4)

Create a new quaternary expression with the given four arguments.

Parameters:

arg1 - the first argument

arg2 - the second argument

arg3 - the third argument

arg4 - the fourth argument

Method Detail

getChildCount

public int getChildCount()

Return the number of children required in a quaternary expression. This will always evaluate to 4.

Returns:

4