org.scripthelper.debug.expr

Class Variable

java.lang.Object

org.scripthelper.debug.expr.AbstractExpression

org.scripthelper.debug.expr.AbstractValue

org.scripthelper.debug.expr.Variable

All Implemented Interfaces:

Equation, Expression, Value

public class Variable
extends AbstractValue

Represent a Variable.

Since:

1.3

Field Summary

Fields inherited from class org.scripthelper.debug.expr.AbstractValue

name, value

Fields inherited from class org.scripthelper.debug.expr.AbstractExpression

root

Constructor Summary

Constructors

Constructor and Description
Variable(Breakpoint breakpoint, java.lang.String name) Constructor.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	eval() Evaluate the expression.
java.lang.String	getExpressionName() Return the variable name.
java.lang.Object	getValue() Return the value.
Variable	getVariable(java.lang.String varName) Return the value of the variable.
java.util.Map<java.lang.String,Variable>	getVariables() Return the Map of variables.

Methods inherited from class org.scripthelper.debug.expr.AbstractValue

getExpression, getName, setName

Methods inherited from class org.scripthelper.debug.expr.AbstractExpression

getRoot, setRoot

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.scripthelper.debug.expr.Expression

getRoot, getVariable, getVariables, hasVariable, hasVariable

Constructor Detail

Variable

public Variable(Breakpoint breakpoint,
                java.lang.String name)

Constructor.

Parameters:

breakpoint - the breakpoint

name - the variable name

Method Detail

getValue

public java.lang.Object getValue()

Description copied from interface: Value

Return the value. Note that this method will return null if the value is null.

Specified by:

getValue in interface Value

Overrides:

getValue in class AbstractValue

Returns:

the value

eval

public java.lang.Object eval()
                      throws java.lang.ArithmeticException

Description copied from interface: Expression

Evaluate the expression.

Specified by:

eval in interface Expression

Overrides:

eval in class AbstractValue

Returns:

the result

Throws:

java.lang.ArithmeticException

getExpressionName

public java.lang.String getExpressionName()

Return the variable name.

Returns:

the variable name

getVariables

public java.util.Map<java.lang.String,Variable> getVariables()

Return the Map of variables. The method will return a singleton Map with only this Variable.

Returns:

the Map of variables

getVariable

public Variable getVariable(java.lang.String varName)

Return the value of the variable. The method will return null if the provided name is not equal to this variable name.

Parameters:

varName - the variable name

Returns:

the variable value