private void scanReferenceSet(TraceLocal trace, Set<ReferenceValue> set) {
for (ReferenceValue value : set) {
ObjectReference referent = value.getObjectValue();
if (trace.isReferentLive(referent)) {
value.processReference(trace);
} else {
value.clear();
}
}
}
/**
* {@inheritDoc}
*
* <p>Only relevant to collectors like MarkCompact.
*/
@Override
public void forward(TraceLocal trace, boolean nursery) {
Trace.trace(
Item.REFERENCES,
"Forwarding %s references: %s",
semantics,
nursery ? "nursery" : "full-heap");
for (ReferenceValue value : oldRefs) {
value.forwardReference(trace);
}
}
/**
* Discover a reference value while scanning stacks
*
* @param ref Reference value
*/
public static void discover(ReferenceValue ref) {
processors.get(ref.getSemantics()).add(ref);
}