/** * get the (possibly cached) endpoints that should store the given Token. * Note that while the endpoints are conceptually a Set (no duplicates will be included), * we return a List to avoid an extra allocation when sorting by proximity later * @param searchPosition the position the natural endpoints are requested for * @return a copy of the natural endpoints for the given token */ public ArrayList<InetAddress> getNaturalEndpoints(RingPosition searchPosition) { Token searchToken = searchPosition.getToken(); Token keyToken = TokenMetadata.firstToken(tokenMetadata.sortedTokens(), searchToken); ArrayList<InetAddress> endpoints = getCachedEndpoints(keyToken); if (endpoints == null) { TokenMetadata tm = tokenMetadata.cachedOnlyTokenMap(); // if our cache got invalidated, it's possible there is a new token to account for too keyToken = TokenMetadata.firstToken(tm.sortedTokens(), searchToken); endpoints = new ArrayList<InetAddress>(calculateNaturalEndpoints(searchToken, tm)); cachedEndpoints.put(keyToken, endpoints); } return new ArrayList<InetAddress>(endpoints); }
/** * get the (possibly cached) endpoints that should store the given Token. * Note that while the endpoints are conceptually a Set (no duplicates will be included), * we return a List to avoid an extra allocation when sorting by proximity later * @param searchPosition the position the natural endpoints are requested for * @return a copy of the natural endpoints for the given token */ public ArrayList<InetAddress> getNaturalEndpoints(RingPosition searchPosition) { Token searchToken = searchPosition.getToken(); Token keyToken = TokenMetadata.firstToken(tokenMetadata.sortedTokens(), searchToken); ArrayList<InetAddress> endpoints = getCachedEndpoints(keyToken); if (endpoints == null) { TokenMetadata tm = tokenMetadata.cachedOnlyTokenMap(); // if our cache got invalidated, it's possible there is a new token to account for too keyToken = TokenMetadata.firstToken(tm.sortedTokens(), searchToken); endpoints = new ArrayList<InetAddress>(calculateNaturalEndpoints(searchToken, tm)); cachedEndpoints.put(keyToken, endpoints); } return new ArrayList<InetAddress>(endpoints); }
/** * get the (possibly cached) endpoints that should store the given Token. * Note that while the endpoints are conceptually a Set (no duplicates will be included), * we return a List to avoid an extra allocation when sorting by proximity later * @param searchPosition the position the natural endpoints are requested for * @return a copy of the natural endpoints for the given token */ public ArrayList<InetAddress> getNaturalEndpoints(RingPosition searchPosition) { Token searchToken = searchPosition.getToken(); Token keyToken = TokenMetadata.firstToken(tokenMetadata.sortedTokens(), searchToken); ArrayList<InetAddress> endpoints = getCachedEndpoints(keyToken); if (endpoints == null) { TokenMetadata tm = tokenMetadata.cachedOnlyTokenMap(); // if our cache got invalidated, it's possible there is a new token to account for too keyToken = TokenMetadata.firstToken(tm.sortedTokens(), searchToken); endpoints = new ArrayList<InetAddress>(calculateNaturalEndpoints(searchToken, tm)); cachedEndpoints.put(keyToken, endpoints); } return new ArrayList<InetAddress>(endpoints); }
/** * get the (possibly cached) endpoints that should store the given Token. * Note that while the endpoints are conceptually a Set (no duplicates will be included), * we return a List to avoid an extra allocation when sorting by proximity later * @param searchPosition the position the natural endpoints are requested for * @return a copy of the natural endpoints for the given token */ public ArrayList<InetAddress> getNaturalEndpoints(RingPosition searchPosition) { Token searchToken = searchPosition.getToken(); Token keyToken = TokenMetadata.firstToken(tokenMetadata.sortedTokens(), searchToken); ArrayList<InetAddress> endpoints = getCachedEndpoints(keyToken); if (endpoints == null) { TokenMetadata tm = tokenMetadata.cachedOnlyTokenMap(); // if our cache got invalidated, it's possible there is a new token to account for too keyToken = TokenMetadata.firstToken(tm.sortedTokens(), searchToken); endpoints = new ArrayList<InetAddress>(calculateNaturalEndpoints(searchToken, tm)); cachedEndpoints.put(keyToken, endpoints); } return new ArrayList<InetAddress>(endpoints); }