/** * Send delete message to all meta cache nodes in the grid. * * @param msg Message to send. */ private void sendDeleteMessage(IgfsDeleteMessage msg) { assert msg != null; Collection<ClusterNode> nodes = meta.metaCacheNodes(); for (ClusterNode node : nodes) { try { igfsCtx.send(node, topic, msg, GridIoPolicy.SYSTEM_POOL); } catch (IgniteCheckedException e) { U.warn( log, "Failed to send IGFS delete message to node [nodeId=" + node.id() + ", msg=" + msg + ", err=" + e.getMessage() + ']'); } } }
/** * Remove particular entry from the TRASH directory. * * @param name Entry name. * @param id Entry ID. * @return {@code True} in case the entry really was deleted form the file system by this call. * @throws IgniteCheckedException If failed. */ private boolean delete(String name, IgniteUuid id) throws IgniteCheckedException { assert name != null; assert id != null; while (true) { IgfsFileInfo info = meta.info(id); if (info != null) { if (info.isDirectory()) { deleteDirectory(TRASH_ID, id); if (meta.delete(TRASH_ID, name, id)) return true; } else { assert info.isFile(); // Delete file content first. // In case this node crashes, other node will re-delete the file. data.delete(info).get(); boolean ret = meta.delete(TRASH_ID, name, id); if (evts.isRecordable(EVT_IGFS_FILE_PURGED)) { if (info.path() != null) evts.record( new IgfsEvent( info.path(), igfsCtx.kernalContext().discovery().localNode(), EVT_IGFS_FILE_PURGED)); else LT.warn(log, null, "Removing file without path info: " + info); } return ret; } } else return false; // Entry was deleted concurrently. } }
/** * Constructor. * * @param igfsCtx IGFS context. */ IgfsDeleteWorker(IgfsContext igfsCtx) { super( "igfs-delete-worker%" + igfsCtx.igfs().name() + "%" + igfsCtx.kernalContext().localNodeId() + "%"); this.igfsCtx = igfsCtx; meta = igfsCtx.meta(); data = igfsCtx.data(); evts = igfsCtx.kernalContext().event(); String igfsName = igfsCtx.igfs().name(); topic = F.isEmpty(igfsName) ? TOPIC_IGFS : TOPIC_IGFS.topic(igfsName); assert meta != null; assert data != null; log = igfsCtx.kernalContext().log(IgfsDeleteWorker.class); }