public VelGetterImpl(AbstractExecutor abstractExecutor)
{
this.abstractExecutor = abstractExecutor;
}
public VelGetterImpl(AbstractExecutor exec)
{
ae = exec;
}
/// <summary> invokes the method on the object passed in
/// </summary>
public override System.Object execute(System.Object o, InternalContextAdapter context)
{
AbstractExecutor executor = null;
try {
System.Type c = o.GetType();
/*
* first, see if we have this information cached.
*/
IntrospectionCacheData icd = context.ICacheGet(this);
/*
* if we have the cache data and the class of the object we are
* invoked with is the same as that in the cache, then we must
* be allright. The last 'variable' is the method name, and
* that is fixed in the template :)
*/
if (icd != null && icd.contextData == c)
{
executor = (AbstractExecutor)icd.thingy;
}
else
{
/*
* otherwise, do the introspection, and cache it
*/
executor = doIntrospection(c);
if (executor != null)
{
icd = new IntrospectionCacheData();
icd.contextData = c;
icd.thingy = executor;
context.ICachePut(this, icd);
}
}
} catch (System.Exception e) {
rsvc.error("ASTIdentifier.execute() : identifier = " + identifier + " : " + e);
}
/*
* we have no executor... punt...
*/
if (executor == null)
{
return(null);
}
/*
* now try and execute. If we get a MIE, throw that
* as the app wants to get these. If not, log and punt.
*/
try {
return(executor.execute(o, context));
} catch (MethodInvocationException mie) {
throw mie;
} catch (System.Exception e) {
rsvc.error("ASTIdentifier() : exception invoking method for identifier '" + identifier + "' in " + o.GetType() + " : " + e);
}
return(null);
}
