package bwapi4; import bwapi4.*; import java.util.Map; import java.util.HashMap; import java.util.Collection; import java.util.List; public class Race { private static Map instances = new HashMap(); private Race(long pointer) { this.pointer = pointer; } private static Race get(long pointer) { Race instance = instances.get(pointer); if (instance == null ) { instance = new Race(pointer); instances.put(pointer, instance); } return instance; } private long pointer; }