Venice 0.7beta

org.mov.parser.expression
Class YearExpression

java.lang.Object
  extended by org.mov.parser.expression.AbstractExpression
      extended by org.mov.parser.expression.TerminalExpression
          extended by org.mov.parser.expression.YearExpression
All Implemented Interfaces:
java.lang.Cloneable, Expression

public class YearExpression
extends TerminalExpression

A function that returns the current year.


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
YearExpression()
           
 
Method Summary
 int checkType()
          Perform type checking on the expression.
 java.lang.Object clone()
           
 double evaluate(Variables variables, QuoteBundle quoteBundle, Symbol symbol, int day)
          Evaluates the given expression and returns the result.
 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
getChildCount
 
Methods inherited from class org.mov.parser.expression.AbstractExpression
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, wait, wait, wait
 

Constructor Detail

YearExpression

public YearExpression()
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

checkType

public int checkType()
              throws TypeMismatchException
Description copied from interface: Expression
Perform type checking on the expression.

Specified by:
checkType in interface Expression
Overrides:
checkType in class TerminalExpression
Returns:
the return type of the expression
Throws:
TypeMismatchException - if the expression has incorrect types

getType

public int getType()
Get the type of the expression.

Returns:
returns Expression.INTEGER_TYPE.

clone

public java.lang.Object clone()
Specified by:
clone in interface Expression
Specified by:
clone in class AbstractExpression

Venice 0.7beta