Package org.opensourcephysics.ejs.control.value

Class ExpressionValue

java.lang.Object

org.opensourcephysics.ejs.control.value.Value

org.opensourcephysics.ejs.control.value.ExpressionValue

public class ExpressionValue
extends Value

A ExpressionValue is a Value object that holds an expression is parsed into a double.

See Also:

• Value

Field Summary

Fields inherited from class org.opensourcephysics.ejs.control.value.Value

type, TYPE_BOOLEAN, TYPE_DOUBLE, TYPE_EXPRESSION, TYPE_INTEGER, TYPE_OBJECT, TYPE_STRING, VALUE_FALSE, VALUE_NULL, VALUE_TRUE

Constructor Summary

Constructors

Constructor	Description
ExpressionValue(String _expression, GroupControl _group)	Constructor ExpressionValue

Method Summary

Modifier and Type	Method	Description
Value	cloneValue()	Clones one value into another
void	copyValue(Value _source)	Copies one value into another
boolean	getBoolean()	Returns the value of the variable as a boolean
double	getDouble()	Returns the value of the variable as a double
int	getInteger()	Returns the value of the variable as an int
Object	getObject()	Returns the value of the variable as an Object.
String	getString()	Returns the value of the variable as a String
void	setExpression(String _expression)

Methods inherited from class org.opensourcephysics.ejs.control.value.Value

getType, parseConstant, parseConstantOrArray, toString

Methods inherited from class java.lang.Object

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

Constructor Details

ExpressionValue

public ExpressionValue(String _expression,
 GroupControl _group)

Constructor ExpressionValue

Parameters:

_expression -

_group -

Method Details

getBoolean

public boolean getBoolean()

Description copied from class: Value

Returns the value of the variable as a boolean

Specified by:

getBoolean in class Value

getInteger

public int getInteger()

Description copied from class: Value

Returns the value of the variable as an int

Specified by:

getInteger in class Value

getDouble

public double getDouble()

Description copied from class: Value

Returns the value of the variable as a double

Specified by:

getDouble in class Value

getString

public String getString()

Description copied from class: Value

Returns the value of the variable as a String

Specified by:

getString in class Value

getObject

public Object getObject()

Description copied from class: Value

Returns the value of the variable as an Object. Ideal for arrays!

Specified by:

getObject in class Value

setExpression

public void setExpression(String _expression)

copyValue

public void copyValue(Value _source)

Description copied from class: Value

Copies one value into another

Overrides:

copyValue in class Value

cloneValue

public Value cloneValue()

Description copied from class: Value

Clones one value into another

Overrides:

cloneValue in class Value