public override void Execute(Apache.Cassandra.Cassandra.Client cassandraClient, ILog logger)
{
var columnParent = BuildColumnParent();
var slicePredicate = predicate.ToCassandraSlicePredicate();
var output = new MultigetQueryHelper(nameof(MultiGetSliceCommand), keyspace, columnFamily, consistencyLevel)
.EnumerateAllKeysWithPartialFetcher(
keys,
queryKeys => cassandraClient.multiget_slice(queryKeys, columnParent, slicePredicate, consistencyLevel), logger);
BuildOut(output);
}
/// <summary>
/// Returns a dictionary of NColumns for a given set of row keys from start colmn to finish column
/// </summary>
/// <param name="keyspace"></param>
/// <param name="columnFamily"></param>
/// <param name="keys"></param>
/// <param name="start">start column name</param>
/// <param name="finish">end column name</param>
/// <param name="count"></param>
/// <param name="reversed"></param>
/// <returns></returns>
public Dictionary <byte[], List <NColumn <byte[], byte[]> > > multiGetColumns(string keyspace, Object columnFamily,
List <object> keys, Object start,
Object finish, int count,
bool reversed)
{
client.set_keyspace(keyspace);
List <byte[]> binaryKeys = keys.ToByteArrayListFromCollection <object>();
SlicePredicate sp = new SlicePredicate();
sp.Slice_range = new SliceRange();
sp.Slice_range.Start = start.ToByteArray();
sp.Slice_range.Finish = finish.ToByteArray();
sp.Slice_range.Reversed = reversed;
sp.Slice_range.Count = count;
var results = ThriftUtility.ToByteDictionaryFromColumnDictionary(client.multiget_slice(binaryKeys,
new ColumnParent()
{
Column_family = columnFamily.ToString()
}, sp, consistencyLevel));
return(results);
}
public override void Execute(Apache.Cassandra.Cassandra.Client cassandraClient)
{
var output = cassandraClient.multiget_slice(keys, BuildColumnParent(), predicate.ToCassandraSlicePredicate(), consistencyLevel);
BuildOut(output);
}
