public <R, V> MappedColumnFamilyResult<K, N, R> queryColumns(
IndexedSlicesPredicate<K, N, V> predicate,
List<N> columns,
ColumnFamilyRowMapper<K, N, R> mapper) {
HSlicePredicate<N> slicePredicate = new HSlicePredicate<N>(topSerializer);
slicePredicate.setColumnNames(columns);
return doExecuteIndexedSlices(predicate, slicePredicate, mapper);
}
public <V> ColumnFamilyResult<K, N> queryColumns(
IndexedSlicesPredicate<K, N, V> predicate, List<N> columns) {
HSlicePredicate<N> slicePredicate = new HSlicePredicate<N>(topSerializer);
slicePredicate.setColumnNames(columns);
return doExecuteIndexedSlices(predicate, slicePredicate);
}
public ColumnFamilyResult<K, N> queryColumns(K key, List<N> columns) {
HSlicePredicate<N> predicate = new HSlicePredicate<N>(topSerializer);
predicate.setColumnNames(columns);
return doExecuteSlice(key, predicate);
}
public <V> MappedColumnFamilyResult<K, N, V> queryColumns(
Iterable<K> keys, List<N> columns, ColumnFamilyRowMapper<K, N, V> mapper) {
HSlicePredicate<N> predicate = new HSlicePredicate<N>(topSerializer);
predicate.setColumnNames(columns);
return doExecuteMultigetSlice(keys, predicate, mapper);
}
/**
* Queries all columns at a given key and maps them to an object of type OBJ using the given
* mapping object
*
* @param <T>
* @param key
* @param columns
* @param mapper
* @return
*/
public <T> T queryColumns(K key, List<N> columns, ColumnFamilyRowMapper<K, N, T> mapper) {
HSlicePredicate<N> predicate = new HSlicePredicate<N>(topSerializer);
predicate.setColumnNames(columns);
return doExecuteSlice(key, predicate, mapper);
}