public IDictionary<string, IList<SuperColumn>> MultigetSuperSlice(IList<string> keys, ColumnParent columnParent, SlicePredicate predicate)
{
var op = new Operation<IDictionary<string, IList<SuperColumn>>>(ClientCounter.READ_FAIL,
client =>
{
var result = new Dictionary<string, IList<SuperColumn>>();
var cfmap = client.multiget_slice(Name, new List<string>(keys), columnParent.ToThrift(), predicate.ToThrift(), ConsistencyLevel.ToThrift());
if (string.IsNullOrEmpty(columnParent.SuperColumn))
{
foreach (var entry in cfmap.Transform(m => new { m.Key, List = GetSuperColumnList(m.Value) }))
result.Add(entry.Key, entry.List);
}
else
{
foreach (var entry in cfmap.Transform(m =>
new
{
m.Key,
List = new List<SuperColumn>
{
new SuperColumn(columnParent.SuperColumn, GetColumnList(m.Value))
}
}))
result.Add(entry.Key, entry.List);
}
return result;
}
);
OperateWithFailover(op);
return op.Result;
}
public IEnumerable<SuperColumn> GetSuperSlice(string key, ColumnParent columnParent, SlicePredicate predicate)
{
var op = new Operation<IEnumerable<SuperColumn>>(ClientCounter.READ_FAIL,
client =>
{
return client.get_slice(Name, key, columnParent.ToThrift(), predicate.ToThrift(), ConsistencyLevel.ToThrift())
.Transform(c => c.Super_column.ToModel());
});
OperateWithFailover(op);
return op.Result;
}
public IDictionary<string, SuperColumn> MultigetSuperColumn(IList<string> keys, ColumnPath columnPath, bool reversed, int size)
{
AssertSuperColumnPath(columnPath);
var result = new Dictionary<string, SuperColumn>();
// only can get supercolumn by multigetSuperSlice
var clp = new ColumnParent(columnPath.ColumnFamily, columnPath.SuperColumn);
var sr = new SliceRange(reversed, size);
var sp = new SlicePredicate(sr);
var sclist = MultigetSuperSlice(keys, clp, sp);
if (sclist == null || sclist.Count == 0)
return result;
foreach (var sc in sclist)
if (sc.Value.Count > 0)
result.Add(sc.Key, sc.Value[0]);
return result;
}
public IDictionary<string, IList<Column>> GetRangeSlice(ColumnParent columnParent, SlicePredicate predicate, string start, string finish, int count)
{
var op = new Operation<IDictionary<string, IList<Column>>>(ClientCounter.READ_FAIL,
client =>
{
var result = new Dictionary<string, IList<Column>>();
var keySlices = client.get_range_slice(Name, columnParent.ToThrift(), predicate.ToThrift(), start, finish, count, ConsistencyLevel.ToThrift());
if (keySlices == null || keySlices.Count == 0)
return result;
foreach (var entry in keySlices.Transform(entry => new { entry.Key, Columns = GetColumnList(entry.Columns) }))
result.Add(entry.Key, entry.Columns);
return result;
});
OperateWithFailover(op);
return op.Result;
}