Example #1
0
  /**
   * Writes out a bunch of mutations for a single column family.
   *
   * @param mutations A group of Mutations for the same keyspace and column family.
   * @return The ColumnFamilyStore that was used.
   */
  public static ColumnFamilyStore writeColumnFamily(List<Mutation> mutations) {
    IMutation first = mutations.get(0);
    String keyspaceName = first.getKeyspaceName();
    UUID cfid = first.getColumnFamilyIds().iterator().next();

    for (Mutation rm : mutations) rm.applyUnsafe();

    ColumnFamilyStore store = Keyspace.open(keyspaceName).getColumnFamilyStore(cfid);
    store.forceBlockingFlush();
    return store;
  }
Example #2
0
  /**
   * Writes out a bunch of rows for a single column family.
   *
   * @param rows A group of RowMutations for the same table and column family.
   * @return The ColumnFamilyStore that was used.
   */
  public static ColumnFamilyStore writeColumnFamily(List<IMutation> rms)
      throws IOException, ExecutionException, InterruptedException {
    IMutation first = rms.get(0);
    String tablename = first.getTable();
    UUID cfid = first.getColumnFamilyIds().iterator().next();

    for (IMutation rm : rms) rm.apply();

    ColumnFamilyStore store = Table.open(tablename).getColumnFamilyStore(cfid);
    store.forceBlockingFlush();
    return store;
  }