/** {@inheritDoc} */
@Override
public GridDhtPartitionState partitionState(UUID nodeId, int part) {
lock.readLock().lock();
try {
GridDhtPartitionMap partMap = node2part.get(nodeId);
if (partMap != null) {
GridDhtPartitionState state = partMap.get(part);
return state == null ? EVICTED : state;
}
return EVICTED;
} finally {
lock.readLock().unlock();
}
}
/**
* @param p Partition.
* @param nodeId Node ID.
* @param match State to match.
* @param matches Additional states.
* @return Filter for owners of this partition.
*/
private boolean hasState(
final int p,
@Nullable UUID nodeId,
final GridDhtPartitionState match,
final GridDhtPartitionState... matches) {
if (nodeId == null) return false;
GridDhtPartitionMap parts = node2part.get(nodeId);
// Set can be null if node has been removed.
if (parts != null) {
GridDhtPartitionState state = parts.get(p);
if (state == match) return true;
if (matches != null && matches.length > 0)
for (GridDhtPartitionState s : matches) if (state == s) return true;
}
return false;
}