- private Map<Pair<Resource, Group>, ObserverGroupListener> listeners = new HashMap<Pair<Resource, Group>, ObserverGroupListener>();
-
+ public StyleBase() {
+ this.identity = getClass();
+ }
+
+ @SuppressWarnings("unchecked")
+ protected <T> T getIdentity() {
+ return (T)identity;
+ }
+
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result + ((identity == null) ? 0 : identity.hashCode());
+ return result;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null)
+ return false;
+ if (getClass() != obj.getClass())
+ return false;
+ StyleBase<?> other = (StyleBase<?>) obj;
+ if (identity == null) {
+ if (other.identity != null)
+ return false;
+ } else if (!identity.equals(other.identity))
+ return false;
+ return true;
+ }