private void insertIndexColumn(K itemKey, long timestamp, List<IndexValue<?>> indexValues, Mutator<String> indexMutator) {
DynamicComposite indexColumnName = new DynamicComposite();
IndexValue.addAll(indexValues, indexColumnName);
indexColumnName.addComponent(itemKey, keySerializer);
indexColumnName.addComponent(timestamp, LONG_SERIALIZER);
final HColumn<DynamicComposite, K> indexColumn = HFactory.createColumn(indexColumnName, itemKey, DYNAMIC_COMPOSITE_SERIALIZER, keySerializer);
indexMutator.addInsertion(indexName, indexColumnFamily, indexColumn);
}
private void performCleanup(K key, Mutator<String> indexMutator, Mutator<DynamicComposite> entryMutator) {