示例#1
0
 /*
  * Extract the timestamp from the timestamp field we have been passing around
  * that is now a unique id with a timestamp encoded in the most significant bits ala
  * a pre-IV2 transaction id.
  */
 public Date getTransactionTime() {
   StoredProcedureInvocation invocation = m_txnState.getInvocation();
   if (invocation != null && invocation.getType() == ProcedureInvocationType.REPLICATED) {
     return new Date(UniqueIdGenerator.getTimestampFromUniqueId(invocation.getOriginalUniqueId()));
   } else {
     return new Date(UniqueIdGenerator.getTimestampFromUniqueId(m_txnState.uniqueId));
   }
 }
示例#2
0
文件: Inits.java 项目: tnn/voltdb
    @Override
    public void run() {
      // if I'm the leader, send out the catalog
      if (m_rvdb.m_myHostId == m_rvdb.m_hostIdWithStartupCatalog) {

        try {
          // If no catalog was supplied provide an empty one.
          if (m_rvdb.m_pathToStartupCatalog == null) {
            try {
              File emptyJarFile = CatalogUtil.createTemporaryEmptyCatalogJarFile();
              if (emptyJarFile == null) {
                VoltDB.crashLocalVoltDB("Failed to generate empty catalog.");
              }
              m_rvdb.m_pathToStartupCatalog = emptyJarFile.getAbsolutePath();
            } catch (IOException e) {
              VoltDB.crashLocalVoltDB(
                  "I/O exception while creating empty catalog jar file.", false, e);
            }
          }

          // Get the catalog bytes and byte count.
          byte[] catalogBytes = readCatalog(m_rvdb.m_pathToStartupCatalog);

          // Export needs a cluster global unique id for the initial catalog version
          long catalogUniqueId =
              UniqueIdGenerator.makeIdFromComponents(
                  System.currentTimeMillis(), 0, MpInitiator.MP_INIT_PID);
          hostLog.debug(String.format("Sending %d catalog bytes", catalogBytes.length));

          long catalogTxnId;
          catalogTxnId = TxnEgo.makeZero(MpInitiator.MP_INIT_PID).getTxnId();

          // Need to get the deployment bytes from the starter catalog context
          byte[] deploymentBytes = m_rvdb.getCatalogContext().getDeploymentBytes();

          // publish the catalog bytes to ZK
          CatalogUtil.updateCatalogToZK(
              m_rvdb.getHostMessenger().getZK(),
              0,
              catalogTxnId,
              catalogUniqueId,
              catalogBytes,
              deploymentBytes);
        } catch (IOException e) {
          VoltDB.crashGlobalVoltDB("Unable to distribute catalog.", false, e);
        } catch (org.apache.zookeeper_voltpatches.KeeperException e) {
          VoltDB.crashGlobalVoltDB("Unable to publish catalog.", false, e);
        } catch (InterruptedException e) {
          VoltDB.crashGlobalVoltDB("Interrupted while publishing catalog.", false, e);
        }
      }
    }