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com.tripi.asp
Class ArithmeticNode  

java.lang.Object
  com.tripi.asp.ArithmeticNode

All Implemented Interfaces:

Node

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public class ArithmeticNode

extends java.lang.Object

implements Node

ArithmenticNode handles arithmetic operations. Status of implementation:

• + Addition - Fully implemented.
• and - Fully implemented.
• & Concat - Fully implemented.
• / Division - Fully implemented.
• eqv - Fully implemented.
• ^ Exponent - Fully implemented.
• imp Logical implication - Fully implemented.
• \ Integer division - Fully implemented.
• is object comparison - TODO Not implemented.
• mod modulus - Fully implemented.
• * multiply - Fully implemented.
• - negation - Fully implemented.
• not logical negation - Fully implemented.
• or logical or - Fully implemented.

Version:

0.9

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Field Summary
static int	AND           Logical and operator
static int	CONCAT           The string concatenation operator.
private  org.apache.log4j.Category	DBG           Debugging class
static int	DIV           The division operator.
static int	EQ           The equal operator.
static int	EQV           Logical equivalence operator
static int	EXP           Exponent (power) operator
static int	GE           Greater than or equal operator
static int	GT           The greater than operator.
static int	IMP           Logical implication operator
static int	INTDIV           The integer division operator.
static int	IS           Object equivilence
static int	LE           Less than or equal operator
(package private)  java.lang.Object	left           Left side of expression
static int	LT           Less than operator
static int	MINUS           The minus operator.
static int	MOD           Modulus operator
static int	MULT           The multiplicative operator.
static int	NE           Not equal operator
static int	NOT           Logical not operator
static int	OR           Logical or operator
static int	PLUS           The plus operator.
(package private)  java.lang.Object	right           Right side of expression
(package private)  int	type           Type of expression
static int	XOR           Logical exclusive or operator

 

Constructor Summary

ArithmeticNode(java.lang.Object left, java.lang.Object right, int type)           Constructor for creating a new arithmetic node.

 

Method Summary
protected  int	compare(java.lang.Object aObj, java.lang.Object bObj)           Internal procedure used to compare any two expressions.
private static AspDate	doDateAdd(AspDate aDate, AspDate bDate)           This function performs an add function with two dates.
private  java.lang.Object	doLogicalAnd(java.lang.Object avalObj, java.lang.Object bvalObj)           Internal function to perform a logical AND operation.
private  java.lang.Object	doLogicalOr(java.lang.Object avalObj, java.lang.Object bvalObj)           Internal function to perform a logical OR operation.
private  java.lang.Object	doLogicalXor(java.lang.Object avalObj, java.lang.Object bvalObj)           Internal function to perform a logical XOR operation.
private  java.lang.Object	doNumericAnd(java.lang.Object avalObj, java.lang.Object bvalObj)           Internal function to perform a numeric AND operation.
private  java.lang.Object	doNumericOr(java.lang.Object avalObj, java.lang.Object bvalObj)           Internal function to perform a numeric OR operation.
private  java.lang.Object	doNumericXor(java.lang.Object avalObj, java.lang.Object bvalObj)           Internal function to perform a numeric XOR operation.
void	dump()           Dumps this node to standard out.
java.lang.Object	execute(AspContext context)           Dumps this node to standard out.
java.lang.Object	getLeft()           Gets the left hand side.
java.lang.Object	getRight()           Gets the right hand side.
int	getType()           Gets this operation type.
void	prepare(AspContext context)           Prepares this node for execution.

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

DBG

private org.apache.log4j.Category DBG

Debugging class

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PLUS

public static final int PLUS

The plus operator.

See Also:

Constant Field Values

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MINUS

public static final int MINUS

The minus operator.

See Also:

Constant Field Values

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MULT

public static final int MULT

The multiplicative operator.

See Also:

Constant Field Values

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DIV

public static final int DIV

The division operator.

See Also:

Constant Field Values

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INTDIV

public static final int INTDIV

The integer division operator.

See Also:

Constant Field Values

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CONCAT

public static final int CONCAT

The string concatenation operator.

See Also:

Constant Field Values

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EQ

public static final int EQ

The equal operator.

See Also:

Constant Field Values

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GT

public static final int GT

The greater than operator.

See Also:

Constant Field Values

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LT

public static final int LT

Less than operator

See Also:

Constant Field Values

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NE

public static final int NE

Not equal operator

See Also:

Constant Field Values

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NOT

public static final int NOT

Logical not operator

See Also:

Constant Field Values

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OR

public static final int OR

Logical or operator

See Also:

Constant Field Values

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AND

public static final int AND

Logical and operator

See Also:

Constant Field Values

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EXP

public static final int EXP

Exponent (power) operator

See Also:

Constant Field Values

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EQV

public static final int EQV

Logical equivalence operator

See Also:

Constant Field Values

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IMP

public static final int IMP

Logical implication operator

See Also:

Constant Field Values

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MOD

public static final int MOD

Modulus operator

See Also:

Constant Field Values

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XOR

public static final int XOR

Logical exclusive or operator

See Also:

Constant Field Values

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GE

public static final int GE

Greater than or equal operator

See Also:

Constant Field Values

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LE

public static final int LE

Less than or equal operator

See Also:

Constant Field Values

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IS

public static final int IS

Object equivilence

See Also:

Constant Field Values

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left

java.lang.Object left

Left side of expression

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right

java.lang.Object right

Right side of expression

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type

int type

Type of expression

Constructor Detail

ArithmeticNode

public ArithmeticNode(java.lang.Object left,
                      java.lang.Object right,
                      int type)

Constructor for creating a new arithmetic node.

Method Detail

getType

public int getType()

Gets this operation type.

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getLeft

public java.lang.Object getLeft()

Gets the left hand side.

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getRight

public java.lang.Object getRight()

Gets the right hand side.

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dump

public void dump()
          throws AspException

Dumps this node to standard out.

Specified by:

dump in interface Node

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prepare

public void prepare(AspContext context)
             throws AspException

Prepares this node for execution.

Specified by:

prepare in interface Node

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execute

public java.lang.Object execute(AspContext context)
                         throws AspException

Dumps this node to standard out.

Specified by:

execute in interface Node

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doLogicalAnd

private java.lang.Object doLogicalAnd(java.lang.Object avalObj,
                                      java.lang.Object bvalObj)
                               throws AspException

Internal function to perform a logical AND operation.

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doNumericAnd

private java.lang.Object doNumericAnd(java.lang.Object avalObj,
                                      java.lang.Object bvalObj)
                               throws AspException

Internal function to perform a numeric AND operation.

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doLogicalOr

private java.lang.Object doLogicalOr(java.lang.Object avalObj,
                                     java.lang.Object bvalObj)
                              throws AspException

Internal function to perform a logical OR operation.

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doNumericOr

private java.lang.Object doNumericOr(java.lang.Object avalObj,
                                     java.lang.Object bvalObj)
                              throws AspException

Internal function to perform a numeric OR operation.

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doLogicalXor

private java.lang.Object doLogicalXor(java.lang.Object avalObj,
                                      java.lang.Object bvalObj)
                               throws AspException

Internal function to perform a logical XOR operation.

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doNumericXor

private java.lang.Object doNumericXor(java.lang.Object avalObj,
                                      java.lang.Object bvalObj)
                               throws AspException

Internal function to perform a numeric XOR operation.

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compare

protected int compare(java.lang.Object aObj,
                      java.lang.Object bObj)
               throws AspException

Internal procedure used to compare any two expressions.

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doDateAdd

private static AspDate doDateAdd(AspDate aDate,
                                 AspDate bDate)
                          throws AspException

This function performs an add function with two dates.

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> com >> tripi >> [ asp overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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