Forward and Reverse Engineering
To forward engineer a Statechart diagram,
Forward engineering for the class MessageParser is shown as
Class MessageParser {
Public boolean put(char c) {
switch (state) case waiting:
if (c == "<")
state = GettingToken;
token = new StringBuffer();
body = new StringBuffer();
} break;
case GettingToken :
if (c == '>')
state = GettingBody;
else
token.append(c);
break;
case GettingBody :
if (c == ';')
state = Waiting;
else body.append(c);
return true;
}
return false;
}
StringBuffer getToken(){
return token;
}
StringBuffer getBody(){
return body;
}
private final static int Waiting = 0;
final static int GettingToken = 1;
final static int GettinBody = 2;
int state = Waiting;
StringBuffer token. body;
}
Reverse engineering a statechart diagram:
- May not be practically useful at all, but theoretically it is possible
- The tools available do not have the ability for abstraction to output meaningful state diagrams
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