org.mov.parser.expression
Class StringExpression

java.lang.Object
  org.mov.parser.expression.AbstractExpression
      org.mov.parser.expression.TerminalExpression
          org.mov.parser.expression.StringExpression

All Implemented Interfaces:

java.lang.Cloneable, Expression

public class StringExpression
extends TerminalExpression

A representation of a value.

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

StringExpression(java.lang.String text)
Create a new string expression with the given string text.

Method Summary

java.lang.Object	clone()
boolean	equals(java.lang.Object object) Returns whether this expression tree and the given expression tree are equivalent.
double	evaluate(Variables variables, QuoteBundle quoteBundle, Symbol symbol, int day) Evaluates the given expression and returns the result.
java.lang.String	getText() Get the text of the string.
int	getType() Get the type of the expression.
java.lang.String	toString() Convert the given expression to a string.

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

checkType, getChildCount

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

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, wait, wait, wait

Constructor Detail

StringExpression

public StringExpression(java.lang.String text)

Create a new string expression with the given string text.

Parameters:

text - the initial text of the string.

Method Detail

evaluate

public double evaluate(Variables variables,
                       QuoteBundle quoteBundle,
                       Symbol symbol,
                       int day)

Description copied from interface: Expression

Evaluates the given expression and returns the result.

Parameters:

variables - variable storage area for expression

quoteBundle - the quote bundle containing quote data to use

symbol - the current symbol

day - current date in cache fast access format

Returns:

the result of the expression

toString

public java.lang.String toString()

Description copied from interface: Expression

Convert the given expression to a string.

Specified by:

toString in interface Expression

Overrides:

toString in class java.lang.Object

Returns:

the string representation of the expression

equals

public boolean equals(java.lang.Object object)

Description copied from class: AbstractExpression

Returns whether this expression tree and the given expression tree are equivalent.

Specified by:

equals in interface Expression

Overrides:

equals in class AbstractExpression

Parameters:

object - the other expression

getText

public java.lang.String getText()

Get the text of the string.

Returns:

string text

getType

public int getType()

Get the type of the expression.

Returns:

Expression.STRING_TYPE

clone

public java.lang.Object clone()

Specified by:

clone in interface Expression

Specified by:

clone in class AbstractExpression