@Override public AssignRegionResponse assignRegion(RpcController controller, AssignRegionRequest req) throws ServiceException { try { master.checkInitialized(); final RegionSpecifierType type = req.getRegion().getType(); if (type != RegionSpecifierType.REGION_NAME) { LOG.warn("assignRegion specifier type: expected: " + RegionSpecifierType.REGION_NAME + " actual: " + type); } final byte[] regionName = req.getRegion().getValue().toByteArray(); final RegionInfo regionInfo = master.getAssignmentManager().getRegionInfo(regionName); if (regionInfo == null) throw new UnknownRegionException(Bytes.toStringBinary(regionName)); final AssignRegionResponse arr = AssignRegionResponse.newBuilder().build(); if (master.cpHost != null) { master.cpHost.preAssign(regionInfo); } LOG.info(master.getClientIdAuditPrefix() + " assign " + regionInfo.getRegionNameAsString()); master.getAssignmentManager().assign(regionInfo); if (master.cpHost != null) { master.cpHost.postAssign(regionInfo); } return arr; } catch (IOException ioe) { throw new ServiceException(ioe); } }
@Override public void assign(final byte [] regionName)throws IOException { checkInitialized(); Pair<HRegionInfo, ServerName> pair = MetaReader.getRegion(this.catalogTracker, regionName); if (pair == null) throw new UnknownRegionException(Bytes.toString(regionName)); if (cpHost != null) { if (cpHost.preAssign(pair.getFirst())) { return; } } assignRegion(pair.getFirst()); if (cpHost != null) { cpHost.postAssign(pair.getFirst()); } }
master.assignmentManager.assign(regionInfo, true, true); if (master.cpHost != null) { master.cpHost.postAssign(regionInfo);