public abstract class GPNodeGatherer
extends java.lang.Object
implements java.io.Serializable
GPNodeGatherer is a small container object for the GPNode.nodeInPosition(...)
method and GPNode.numNodes(...) method.
It may be safely reused without being reinitialized.
Returns true if thisNode is the kind of node to be considered in the
gather count for nodeInPosition(...) and GPNode.numNodes(GPNodeGatherer).
The default form simply returns true.