| public static SetSchemaForSlicePredicate ( CassandraSlicePredicate predicate, CassandraColumnFamilySchema schema, bool forSuperColumn = false ) : CassandraSlicePredicate | ||
| predicate | CassandraSlicePredicate | |
| schema | CassandraColumnFamilySchema | |
| forSuperColumn | bool | |
| return | CassandraSlicePredicate | |
private IEnumerable <FluentColumn> GetColumns(BaseCassandraColumnFamily columnFamily)
{
var schema = ColumnFamily.GetSchema();
var list = new List <FluentColumn>();
var parent = new CassandraColumnParent {
ColumnFamily = columnFamily.FamilyName,
SuperColumn = SuperColumnName
};
SlicePredicate = Helper.SetSchemaForSlicePredicate(SlicePredicate, schema, SuperColumnName == null);
var output = Session.GetClient().get_slice(
Key,
parent,
SlicePredicate,
Session.ReadConsistency
);
foreach (var result in output)
{
var r = Helper.ConvertColumnToFluentColumn(result.Column, schema);
list.Add(r);
}
return(list);
}
public override IDictionary <CassandraObject, int> Execute()
{
var schema = ColumnFamily.GetSchema();
var parent = new CassandraColumnParent {
ColumnFamily = ColumnFamily.FamilyName
};
if (SuperColumnName != null)
{
parent.SuperColumn = SuperColumnName;
}
SlicePredicate = Helper.SetSchemaForSlicePredicate(SlicePredicate, schema, SuperColumnName == null);
var output = Session.GetClient().multiget_count(
Keys,
parent,
SlicePredicate,
Session.ReadConsistency
);
var results = new Dictionary <CassandraObject, int>();
foreach (var result in output)
{
results.Add(result.Key, result.Value);
}
return(results);
}
private IEnumerable <FluentSuperColumn> GetColumns(BaseCassandraColumnFamily columnFamily)
{
var schema = ColumnFamily.GetSchema();
var parent = new CassandraColumnParent {
ColumnFamily = columnFamily.FamilyName
};
SlicePredicate = Helper.SetSchemaForSlicePredicate(SlicePredicate, schema);
var output = Session.GetClient().get_slice(
Key,
parent,
SlicePredicate,
Session.ReadConsistency
);
foreach (var result in output)
{
var r = Helper.ConvertSuperColumnToFluentSuperColumn(result.Super_column, schema);
columnFamily.Context.Attach(r);
r.MutationTracker.Clear();
yield return(r);
}
}
public override IEnumerable <FluentColumnFamily> Execute()
{
var schema = ColumnFamily.GetSchema();
var list = new List <FluentColumnFamily>();
var parent = new CassandraColumnParent
{
ColumnFamily = ColumnFamily.FamilyName
};
SlicePredicate = Helper.SetSchemaForSlicePredicate(SlicePredicate, schema);
var output = Session.GetClient().get_indexed_slices(
parent,
IndexClause,
SlicePredicate,
Session.ReadConsistency
);
foreach (var result in output)
{
var key = CassandraObject.GetCassandraObjectFromDatabaseByteArray(result.Key, schema.KeyValueType);
var r = new FluentColumnFamily(key, ColumnFamily.FamilyName, schema, result.Columns.Select(col =>
{
return(Helper.ConvertColumnToFluentColumn(col.Column, schema));
}));
ColumnFamily.Context.Attach(r);
r.MutationTracker.Clear();
list.Add(r);
}
return(list);
}
private IEnumerable <FluentColumnFamily> GetFamilies(BaseCassandraColumnFamily columnFamily)
{
var schema = ColumnFamily.GetSchema();
var parent = new CassandraColumnParent {
ColumnFamily = columnFamily.FamilyName
};
SlicePredicate = Helper.SetSchemaForSlicePredicate(SlicePredicate, schema);
var output = Session.GetClient().get_range_slices(
parent,
SlicePredicate,
KeyRange,
Session.ReadConsistency
);
foreach (var result in output)
{
var r = new FluentColumnFamily(result.Key, columnFamily.FamilyName, columnFamily.GetSchema(), result.Columns.Select(col => {
return(Helper.ConvertColumnToFluentColumn(col.Column, schema));
}));
columnFamily.Context.Attach(r);
r.MutationTracker.Clear();
yield return(r);
}
}
public override IEnumerable <FluentSuperColumnFamily> Execute()
{
var schema = ColumnFamily.GetSchema();
var parent = new CassandraColumnParent {
ColumnFamily = ColumnFamily.FamilyName
};
SlicePredicate = Helper.SetSchemaForSlicePredicate(SlicePredicate, schema);
var output = Session.GetClient().get_indexed_slices(
parent,
IndexClause,
SlicePredicate,
Session.ReadConsistency
);
foreach (var result in output)
{
var r = new FluentSuperColumnFamily(result.Key, ColumnFamily.FamilyName, ColumnFamily.GetSchema(), result.Columns.Select(col => {
var superCol = Helper.ConvertSuperColumnToFluentSuperColumn(col.Super_column, schema);
ColumnFamily.Context.Attach(superCol);
superCol.MutationTracker.Clear();
return(superCol);
}));
ColumnFamily.Context.Attach(r);
r.MutationTracker.Clear();
yield return(r);
}
}
public override IEnumerable <FluentSuperColumnFamily> Execute()
{
var schema = ColumnFamily.GetSchema();
var parent = new CassandraColumnParent {
ColumnFamily = ColumnFamily.FamilyName
};
SlicePredicate = Helper.SetSchemaForSlicePredicate(SlicePredicate, schema, SuperColumnName == null);
var output = Session.GetClient().get_range_slices(
parent,
SlicePredicate,
KeyRange,
Session.ReadConsistency
);
foreach (var result in output)
{
var key = CassandraObject.GetCassandraObjectFromDatabaseByteArray(result.Key, schema.KeyValueType);
var r = new FluentSuperColumnFamily(key, ColumnFamily.FamilyName, schema, result.Columns.Select(col => {
var superCol = Helper.ConvertSuperColumnToFluentSuperColumn(col.Super_column, schema);
ColumnFamily.Context.Attach(superCol);
superCol.MutationTracker.Clear();
return(superCol);
}));
ColumnFamily.Context.Attach(r);
r.MutationTracker.Clear();
yield return(r);
}
}
public override IEnumerable <FluentSuperColumnFamily> Execute()
{
var schema = ColumnFamily.GetSchema();
var parent = new CassandraColumnParent {
ColumnFamily = ColumnFamily.FamilyName
};
if (SuperColumnName != null)
{
parent.SuperColumn = SuperColumnName;
}
SlicePredicate = Helper.SetSchemaForSlicePredicate(SlicePredicate, schema, SuperColumnName == null);
var output = Session.GetClient().multiget_slice(
Keys,
parent,
SlicePredicate,
Session.ReadConsistency
);
foreach (var result in output)
{
var key = CassandraObject.GetCassandraObjectFromDatabaseByteArray(result.Key, schema.KeyValueType);
var superColumns = (IEnumerable <FluentSuperColumn>)null;
if (SuperColumnName != null)
{
var superColSchema = new CassandraColumnSchema {
NameType = schema.SuperColumnNameType,
Name = SuperColumnName,
ValueType = schema.ColumnNameType
};
var superCol = new FluentSuperColumn(superColSchema, result.Value.Select(col => Helper.ConvertColumnToFluentColumn(col.Column, schema)));
ColumnFamily.Context.Attach(superCol);
superColumns = new[] { superCol };
}
else
{
superColumns = result.Value.Select(col => Helper.ConvertSuperColumnToFluentSuperColumn(col.Super_column, schema));
}
var familyName = ColumnFamily.FamilyName;
var r = new FluentSuperColumnFamily(key, familyName, schema, superColumns);
ColumnFamily.Context.Attach(r);
yield return(r);
}
}