Package jadex.rules.parser.conditions.javagrammar

Class OperationExpression

java.lang.Object

jadex.rules.parser.conditions.javagrammar.Expression

jadex.rules.parser.conditions.javagrammar.OperationExpression

public class OperationExpression
extends Expression

An operation composes two values.

Field Summary

Fields

Modifier and Type	Field	Description
protected Expression	left	The left value expression.
protected java.lang.Object	operator	The operator.
static IOperator	OPERATOR_AND	The AND operator (&&).
static IOperator	OPERATOR_OR	The OR operator (||).
protected Expression	right	The right value expression.

Constructor Summary

Constructors

Constructor	Description
OperationExpression(Expression left, Expression right, IFunction operator)	Create a new operation.
OperationExpression(Expression left, Expression right, IOperator operator)	Create a new operation.

Method Summary

Modifier and Type	Method	Description
boolean	containsVariable(Variable var)	Test if a variable is contained in the expression.
boolean	equals(java.lang.Object o)	Test if this operation is equal to some object.
static IOperator	getInverseOperator0(IOperator operator)	Get the inverse operator.
Expression	getLeftValue()	Get the left value.
java.lang.Object	getOperator()	Get the operator.
Expression	getRightValue()	Get the right value.
int	hashCode()	Get the hash code of this operation.
java.lang.String	toString()	Get a string representation of this operation.

Methods inherited from class java.lang.Object

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

Field Detail

OPERATOR_OR

public static final IOperator OPERATOR_OR

The OR operator (||).

OPERATOR_AND

public static final IOperator OPERATOR_AND

The AND operator (&&).

left

protected Expression left

The left value expression.

right

protected Expression right

The right value expression.

operator

protected java.lang.Object operator

The operator.

Constructor Detail

OperationExpression

public OperationExpression(Expression left,
                           Expression right,
                           IOperator operator)

Create a new operation.

OperationExpression

public OperationExpression(Expression left,
                           Expression right,
                           IFunction operator)

Create a new operation.

Method Detail

containsVariable

public boolean containsVariable(Variable var)

Test if a variable is contained in the expression.

Specified by:

containsVariable in class Expression

Parameters:

var - The variable.

Returns:

True, when the variable is contained.

getLeftValue

public Expression getLeftValue()

Get the left value.

getRightValue

public Expression getRightValue()

Get the right value.

getOperator

public java.lang.Object getOperator()

Get the operator.

toString

public java.lang.String toString()

Get a string representation of this operation.

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Test if this operation is equal to some object.

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Get the hash code of this operation.

Overrides:

hashCode in class java.lang.Object

getInverseOperator0

public static IOperator getInverseOperator0(IOperator operator)

Get the inverse operator.

Parameters:

operator - The operator

Returns:

The inverse operator or null if none exists.