ptolemy.actor.gt.util

Class PtolemyExpressionString

java.lang.Object

ptolemy.actor.gt.util.PtolemyExpressionString

public class PtolemyExpressionString
extends java.lang.Object

A wrapper for a string containing a Ptolemy expression.

Since:

Ptolemy II 8.0

Version:

$Id$

Author:

Thomas Huining Feng

Pt.AcceptedRating:

Red (tfeng)

Pt.ProposedRating:

Yellow (tfeng)

Constructor Summary

Constructors

Constructor and Description
PtolemyExpressionString() Construct a Ptolemy expression string.
PtolemyExpressionString(NamedObj container) Construct a Ptolemy expression string with the given container as its scope.
PtolemyExpressionString(NamedObj container, java.lang.String value) Construct a Ptolemy expression string with the given container as its scope and the given value as its initial value.

Method Summary

Modifier and Type	Method and Description
java.lang.String	get() Get the current value.
Token	getToken() Evaluate the Ptolemy expression and return the result in a token.
void	set(java.lang.String value) Set the value.
java.lang.String	toString() Return the Ptolemy expression in a string.

Methods inherited from class java.lang.Object

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

Constructor Detail

PtolemyExpressionString

public PtolemyExpressionString()

Construct a Ptolemy expression string.

PtolemyExpressionString

public PtolemyExpressionString(NamedObj container)

Construct a Ptolemy expression string with the given container as its scope.

Parameters:

container - The container.

PtolemyExpressionString

public PtolemyExpressionString(NamedObj container,
                               java.lang.String value)

Construct a Ptolemy expression string with the given container as its scope and the given value as its initial value.

Parameters:

container - The container.

value - The initial value.

Method Detail

get

public java.lang.String get()

Get the current value.

Returns:

The value.

See Also:

set(String)

getToken

public Token getToken()
               throws IllegalActionException

Evaluate the Ptolemy expression and return the result in a token.

Returns:

The result.

Throws:

IllegalActionException - If error occurs in the evaluation.

set

public void set(java.lang.String value)

Set the value.

Parameters:

value - The value.

See Also:

get()

toString

public java.lang.String toString()

Return the Ptolemy expression in a string.

Overrides:

toString in class java.lang.Object

Returns:

The Ptolemy expression.