コード例 #1
0
ファイル: HBaseStoreManager.java プロジェクト: Hyacinth/titan
  private void ensureColumnFamilyExists(String tableName, String columnFamily)
      throws StorageException {
    HBaseAdmin adm = getAdminInterface();
    HTableDescriptor desc = ensureTableExists(tableName);

    Preconditions.checkNotNull(desc);

    HColumnDescriptor cf = desc.getFamily(columnFamily.getBytes());

    // Create our column family, if necessary
    if (cf == null) {
      try {
        adm.disableTable(tableName);
        desc.addFamily(
            new HColumnDescriptor(columnFamily).setCompressionType(Compression.Algorithm.GZ));
        adm.modifyTable(tableName.getBytes(), desc);

        try {
          logger.debug(
              "Added HBase ColumnFamily {}, waiting for 1 sec. to propogate.", columnFamily);
          Thread.sleep(1000L);
        } catch (InterruptedException ie) {
          throw new TemporaryStorageException(ie);
        }

        adm.enableTable(tableName);
      } catch (TableNotFoundException ee) {
        logger.error("TableNotFoundException", ee);
        throw new PermanentStorageException(ee);
      } catch (org.apache.hadoop.hbase.TableExistsException ee) {
        logger.debug("Swallowing exception {}", ee);
      } catch (IOException ee) {
        throw new TemporaryStorageException(ee);
      }
    } else { // check if compression was enabled, if not - enable it
      if (cf.getCompressionType() == null
          || cf.getCompressionType() == Compression.Algorithm.NONE) {
        try {
          adm.disableTable(tableName);

          adm.modifyColumn(tableName, cf.setCompressionType(Compression.Algorithm.GZ));

          adm.enableTable(tableName);
        } catch (IOException e) {
          throw new TemporaryStorageException(e);
        }
      }
    }
  }
コード例 #2
0
ファイル: HBaseStoreManager.java プロジェクト: Hyacinth/titan
  @Override
  public void setConfigurationProperty(final String key, final String value)
      throws StorageException {
    byte[] name = tableName.getBytes();

    HTableDescriptor desc = ensureTableExists(tableName);

    try {
      HBaseAdmin adm = getAdminInterface();

      adm.disableTable(tableName);

      desc.setValue(key, value);

      adm.modifyTable(name, desc);
      adm.enableTable(tableName);
    } catch (IOException e) {
      throw new PermanentStorageException(e);
    }
  }