/**
* Execute the filter model on each input array element until it gets as many elements as
* specified by the <i>maxOutputLength</i> parameter. If there are no enough elements satisfying
* the filter model, then only output all the satisfied elements. Before running the filter model,
* this method update the filter model's <i>inputArrayElement</i> parameter for each array
* element. After running the filter model, this method looks for the <i>evaluatedValue</i>
* parameter and keep the input element if the evaluated value is ture, otherwise, skip the
* element.
*
* @exception IllegalActionException If there is no director, or if the director's action methods
* throw it.
*/
public void fire() throws IllegalActionException {
super.fire();
if (_model instanceof CompositeActor) {
CompositeActor executable = (CompositeActor) _model;
_manager = executable.getManager();
if (_manager == null) {
throw new InternalErrorException("No manager!");
}
if (_debugging) {
_manager.addDebugListener(this);
Director director = executable.getDirector();
if (director != null) {
director.addDebugListener(this);
}
} else {
_manager.removeDebugListener(this);
Director director = executable.getDirector();
if (director != null) {
director.removeDebugListener(this);
}
}
int i = 0;
int j = 0;
LinkedList list = new LinkedList();
ArrayToken array = (ArrayToken) inputArray.get(0);
while ((i < _outputLength) && (j < array.length())) {
Token t = array.getElement(j);
_updateParameter(t);
if (_debugging) {
_debug("** Executing filter model.");
}
try {
_manager.execute();
} catch (KernelException ex) {
throw new IllegalActionException(this, ex, "Execution failed.");
}
if (_getResult()) {
i++;
list.add(t);
}
j++;
}
Token[] result = new Token[list.size()];
for (i = 0; i < list.size(); i++) {
result[i] = (Token) list.get(i);
}
outputArray.send(0, new ArrayToken(array.getElementType(), result));
}
}
