package jass.engine;
/** FilterUG abstract class. Like InOUt but only allows one source.
@author Kees van den Doel (kvdoel@cs.ubc.ca)
*/
public abstract class FilterUG extends InOut {
public FilterUG(int bufferSize) {
super(bufferSize);
}
/** Add source to Sink. Override to allow one input only
@param s Source to add.
@return object representing Source in Sink (may be null).
*/
public Object addSource(Source s) throws SinkIsFullException {
if(getSources().length > 0) {
throw new SinkIsFullException();
} else {
return super.addSource(s);
}
}
}