Examples of com.netflix.astyanax.MutationBatch.discardMutations()

Class com.netflix.astyanax.MutationBatch

Examples of com.netflix.astyanax.MutationBatch.discardMutations()

com.netflix.astyanax.MutationBatch.discardMutations()
Discard any pending mutations. All previous references returned by row are now invalid. Note also that this will reset the mutation timestamp so that the next call to withRow will set the timestamp to the current time

        MutationBatch mb = keyspace.prepareMutationBatch();


        for (int i=0; i<numRows; i++) {
            mb.withRow(CF_USER_INFO, "acct_" + i).delete();
            mb.execute();
            mb.discardMutations();
        }
  }




  public Collection<String> getRandomColumns(int numColumns) {

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      .putColumn("bytes", TestBytes)
      .putColumn("uuid", TestUUID)
      .putEmptyColumn("empty");


      mb.execute();
      mb.discardMutations();
    }
  }


  private static void populateRowsForColumnRange() throws Exception {

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              for (char cName = 'a'; cName <= 'z'; cName++) {
                colMutation.putColumn(Character.toString(cName), (int) (cName - 'a') + 1, null);
              }
              m.withCaching(true);
              m.execute();
              m.discardMutations();
        }
  }


}

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    for (char keyName = 'A'; keyName <= 'Z'; keyName++) {
      String character = Character.toString(keyName);
      ColumnListMutation<String> colMutation = m.withRow(CF_ACCOUNTS, character);
      colMutation.putColumn("user", "user" + character).putColumn("pswd", "pswd" + character);
      m.execute();
      m.discardMutations();
    }
  }


  public static void deleteRowsForAccountsTable(Keyspace keyspace) throws Exception {

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    for (char keyName = 'A'; keyName <= 'Z'; keyName++) {
      MutationBatch m = keyspace.prepareMutationBatch();
      String rowKey = Character.toString(keyName);
      m.withRow(CF_ACCOUNTS, rowKey).delete();
      m.execute();
      m.discardMutations();
    }
  }
}

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