Examples with RegionStateTransition org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionStateTransition used on opensource projects

Example 1 with RegionStateTransition

use of org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionStateTransition in project hbase by apache.

the class MasterRpcServices method reportRegionStateTransition.

@Override
public ReportRegionStateTransitionResponse reportRegionStateTransition(RpcController c, ReportRegionStateTransitionRequest req) throws ServiceException {
    try {
        master.checkServiceStarted();
        RegionStateTransition rt = req.getTransition(0);
        RegionStates regionStates = master.getAssignmentManager().getRegionStates();
        for (RegionInfo ri : rt.getRegionInfoList()) {
            TableName tableName = ProtobufUtil.toTableName(ri.getTableName());
            if (!(TableName.META_TABLE_NAME.equals(tableName) && regionStates.getRegionState(HRegionInfo.FIRST_META_REGIONINFO) != null) && !master.getAssignmentManager().isFailoverCleanupDone()) {
                // failover cleanup. So no need this check for it
                throw new PleaseHoldException("Master is rebuilding user regions");
            }
        }
        ServerName sn = ProtobufUtil.toServerName(req.getServer());
        String error = master.getAssignmentManager().onRegionTransition(sn, rt);
        ReportRegionStateTransitionResponse.Builder rrtr = ReportRegionStateTransitionResponse.newBuilder();
        if (error != null) {
            rrtr.setErrorMessage(error);
        }
        return rrtr.build();
    } catch (IOException ioe) {
        throw new ServiceException(ioe);
    }
}