public CassandraRangeSlicePredicate(CassandraObject start, CassandraObject finish, bool reversed = false, int count = 100)
{
Start = start;
Finish = finish;
Reversed = reversed;
Count = count;
}
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 key = CassandraObject.GetCassandraObjectFromDatabaseByteArray(result.Key, schema.KeyValueType);
var r = new FluentColumnFamily(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 static void InsertCounterColumn(this CassandraColumnFamily family, CassandraObject key,
CassandraObject superColumnName, CassandraObject columnName,
long columnValue)
{
var op = new AddColumn(key, superColumnName, columnName, columnValue);
family.ExecuteOperation(op);
}
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);
}
}
private static Cassandra.IndexExpression VisitRelationalExpression(BinaryExpression exp)
{
Cassandra.IndexExpression indexExpression;
var columnName = GetColumnName(exp.Left);
var value = CassandraObject.GetCassandraObjectFromObject(Expression.Lambda(exp.Right).Compile().DynamicInvoke(), CassandraType.BytesType);
indexExpression = new Cassandra.IndexExpression {
Column_name = columnName.ToBigEndian(),
Value = value.ToBigEndian()
};
switch (exp.NodeType)
{
case ExpressionType.Equal: indexExpression.Op = Cassandra.IndexOperator.EQ; break;
case ExpressionType.GreaterThan: indexExpression.Op = Cassandra.IndexOperator.GT; break;
case ExpressionType.GreaterThanOrEqual: indexExpression.Op = Cassandra.IndexOperator.GTE; break;
case ExpressionType.LessThan: indexExpression.Op = Cassandra.IndexOperator.LT; break;
case ExpressionType.LessThanOrEqual: indexExpression.Op = Cassandra.IndexOperator.LTE; break;
default:
throw new NotSupportedException(exp.NodeType.ToString() + " is not a supported relational criteria.");
}
return(indexExpression);
}
public Apache.Cassandra.ColumnOrSuperColumn get(CassandraObject key, CassandraColumnPath column_path, Apache.Cassandra.ConsistencyLevel consistency_level)
{
return _client.get(
key.TryToBigEndian(),
Helper.CreateColumnPath(column_path),
consistency_level);
}
public AddColumn(CassandraObject key, CassandraObject superColumnName, CassandraObject name, long value)
{
Key = key;
SuperColumnName = superColumnName;
ColumnName = name;
ColumnValue = value;
}
public static FluentSuperColumn ConvertSuperColumnToFluentSuperColumn(SuperColumn col, CassandraColumnFamilySchema schema)
{
var superColSchema = new CassandraColumnSchema {
Name = col.Name
};
if (schema != null)
{
superColSchema = new CassandraColumnSchema {
NameType = schema.SuperColumnNameType,
Name = CassandraObject.GetCassandraObjectFromDatabaseByteArray(col.Name, schema.SuperColumnNameType),
ValueType = schema.ColumnNameType
}
}
;
var superCol = new FluentSuperColumn(superColSchema)
{
ColumnName = CassandraObject.GetCassandraObjectFromDatabaseByteArray(col.Name, superColSchema.NameType)
};
((ILoadable)superCol).BeginLoad();
foreach (var xcol in col.Columns)
{
superCol.Columns.Add(ConvertColumnToFluentColumn(xcol, schema));
}
((ILoadable)superCol).EndLoad();
return(superCol);
}
public void TwoExpressions()
{
// arrange
string key = "test";
int count = 20;
var columnName1 = "test1-column";
var columnValue1 = "test1-value";
var columnName2 = "test2-column";
var columnValue2 = Math.PI;
// act
var index = new CassandraIndexClause(
key,
count,
family => family[columnName1] == columnValue1 &&
family[columnName2] > columnValue2);
var expressions = index.CompiledExpressions;
// assert
Assert.Equal(2, expressions.Count);
var firstExpression = expressions[0];
Assert.NotNull(firstExpression);
Assert.Equal(CassandraObject.GetCassandraObjectFromDatabaseByteArray(firstExpression.Column_name, typeof(BytesType)), (BytesType)columnName1);
Assert.Equal(firstExpression.Op, IndexOperator.EQ);
Assert.Equal(CassandraObject.GetCassandraObjectFromDatabaseByteArray(firstExpression.Value, typeof(BytesType)), (BytesType)columnValue1);
var secondExpression = expressions[1];
Assert.Equal(CassandraObject.GetCassandraObjectFromDatabaseByteArray(secondExpression.Column_name, typeof(BytesType)), (BytesType)columnName2);
Assert.Equal(secondExpression.Op, IndexOperator.GT);
Assert.Equal(CassandraObject.GetCassandraObjectFromDatabaseByteArray(secondExpression.Value, typeof(BytesType)), (BytesType)columnValue2);
}
public void remove_counter(CassandraObject key, CassandraColumnPath path, Apache.Cassandra.ConsistencyLevel consistency_level)
{
_client.remove_counter(
key.TryToBigEndian(),
Helper.CreateColumnPath(path),
consistency_level);
}
public void SingleExpression()
{
// arrange
string key = "test";
int count = 20;
var columnName = "test-column";
var columnValue = "test-value";
// act
var index = new CassandraIndexClause(
key,
count,
family => family[columnName] == columnValue);
var expressions = index.CompiledExpressions;
// assert
Assert.Equal(1, expressions.Count);
var firstExpression = expressions[0];
Assert.NotNull(firstExpression);
Assert.Equal(CassandraObject.GetCassandraObjectFromDatabaseByteArray(firstExpression.Column_name, typeof(BytesType)), (BytesType)columnName);
Assert.Equal(firstExpression.Op, IndexOperator.EQ);
Assert.Equal(CassandraObject.GetCassandraObjectFromDatabaseByteArray(firstExpression.Value, typeof(BytesType)), (BytesType)columnValue);
}
public CassandraRangeSlicePredicate(CassandraObject start, CassandraObject finish, bool reversed = false, int count = 100)
{
Start = start;
Finish = finish;
Reversed = reversed;
Count = count;
}
public static CassandraSlicePredicate SetSchemaForSlicePredicate(CassandraSlicePredicate predicate, CassandraColumnFamilySchema schema, bool forSuperColumn = false)
{
CassandraType columnType = forSuperColumn ? schema.SuperColumnNameType : schema.ColumnNameType;
if (predicate is CassandraRangeSlicePredicate)
{
var x = (CassandraRangeSlicePredicate)predicate;
var start = CassandraObject.GetCassandraObjectFromObject(x.Start, columnType);
var finish = CassandraObject.GetCassandraObjectFromObject(x.Finish, columnType);
return(new CassandraRangeSlicePredicate(start, finish, x.Reversed, x.Count));
}
else if (predicate is CassandraColumnSlicePredicate)
{
var x = (CassandraColumnSlicePredicate)predicate;
var cols = x.Columns.ToList();
for (int i = 0; i < cols.Count; i++)
{
cols[i] = CassandraObject.GetCassandraObjectFromObject(cols[i], columnType);
}
return(new CassandraColumnSlicePredicate(cols));
}
return(null);
}
public static void RemoveColumn(this CassandraSuperColumnFamily family, CassandraObject key, FluentColumnPath path)
{
var columnName = path.Column.ColumnName;
var superColumnName = path.SuperColumn.ColumnName;
RemoveColumn(family, key, superColumnName, columnName);
}
public static FluentCounterColumn ConvertColumnToFluentCounterColumn(CounterColumn col, CassandraColumnFamilySchema schema)
{
var colSchema = new CassandraColumnSchema();
if (schema != null)
{
var name = CassandraObject.GetCassandraObjectFromDatabaseByteArray(col.Name, schema.ColumnNameType);
colSchema = schema.Columns.Where(x => x.Name == name).FirstOrDefault();
if (colSchema == null)
{
colSchema = new CassandraColumnSchema();
colSchema.NameType = schema.ColumnNameType;
colSchema.Name = name;
colSchema.ValueType = schema.DefaultColumnValueType;
}
}
var fcol = new FluentCounterColumn(colSchema)
{
ColumnName = CassandraObject.GetCassandraObjectFromDatabaseByteArray(col.Name, colSchema.NameType),
ColumnValue = col.Value
};
return(fcol);
}
public static FluentColumn GetColumn(this CassandraSuperColumnFamily family, CassandraObject key, FluentColumnPath path)
{
var columnName = path.Column.ColumnName;
var superColumnName = path.SuperColumn.ColumnName;
return(GetColumn(family, key, superColumnName, columnName));
}
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 byte[] GetBytes(CassandraObject[] components)
{
using (var bytes = new MemoryStream())
{
foreach (var c in components)
{
var b = (byte[])c;
var length = (ushort)b.Length;
// comparator part
bytes.WriteByte((byte)1);
bytes.WriteByte((byte)_aliases.FirstOrDefault(x => x.Value == c.GetType()).Key);
// value length
bytes.Write(BitConverter.GetBytes(length), 0, 2);
// value
bytes.Write(b, 0, length);
// end of component
bytes.WriteByte((byte)0);
}
return bytes.ToArray();
}
}
public Apache.Cassandra.ColumnOrSuperColumn get(CassandraObject key, CassandraColumnPath column_path, Apache.Cassandra.ConsistencyLevel consistency_level)
{
return(_client.get(
key.TryToBigEndian(),
Helper.CreateColumnPath(column_path),
consistency_level));
}
public void remove(CassandraObject key, CassandraColumnPath column_path, long timestamp, Apache.Cassandra.ConsistencyLevel consistency_level)
{
_client.remove(
key.TryToBigEndian(),
Helper.CreateColumnPath(column_path),
timestamp,
consistency_level);
}
public static void InsertCounterColumn(this CassandraColumnFamily family, CassandraObject key,
CassandraObject superColumnName, CassandraObject columnName,
long columnValue)
{
var op = new AddColumn(key, superColumnName, columnName, columnValue);
family.ExecuteOperation(op);
}
public FluentColumnFamily(CassandraObject key, string columnFamily)
: base(key, columnFamily, new CassandraColumnFamilySchema {
FamilyName = columnFamily,
KeyValueType = CassandraType.BytesType,
ColumnNameType = typeof(CompareWith)
})
{
}
public CassandraKeyRange(CassandraObject startKey, CassandraObject endKey, string startToken, string endToken, int count)
{
StartKey = startKey;
EndKey = endKey;
StartToken = startToken;
EndToken = endToken;
Count = count;
}
public InsertColumn(CassandraObject key, CassandraObject name, CassandraObject value, DateTimeOffset timestamp, int?timeToLive)
{
Key = key;
ColumnName = name;
ColumnValue = value;
Timestamp = timestamp;
TimeToLive = timeToLive;
}
public int get_count(CassandraObject key, CassandraColumnParent column_parent, CassandraSlicePredicate predicate, Apache.Cassandra.ConsistencyLevel consistency_level)
{
return _client.get_count(
key.TryToBigEndian(),
Helper.CreateColumnParent(column_parent),
Helper.CreateSlicePredicate(predicate),
consistency_level);
}
public CassandraKeyRange(CassandraObject startKey, CassandraObject endKey, string startToken, string endToken, int count)
{
StartKey = startKey;
EndKey = endKey;
StartToken = startToken;
EndToken = endToken;
Count = count;
}
public void add(CassandraObject key, CassandraColumnParent column_parent, CassandraCounterColumn column, Apache.Cassandra.ConsistencyLevel consistency_level)
{
_client.add(
key.TryToBigEndian(),
Helper.CreateColumnParent(column_parent),
Helper.CreateCounterColumn(column),
consistency_level);
}
public void add(CassandraObject key, CassandraColumnParent column_parent, CassandraCounterColumn column, Apache.Cassandra.ConsistencyLevel consistency_level)
{
_client.add(
key.TryToBigEndian(),
Helper.CreateColumnParent(column_parent),
Helper.CreateCounterColumn(column),
consistency_level);
}
public int get_count(CassandraObject key, CassandraColumnParent column_parent, CassandraSlicePredicate predicate, Apache.Cassandra.ConsistencyLevel consistency_level)
{
return(_client.get_count(
key.TryToBigEndian(),
Helper.CreateColumnParent(column_parent),
Helper.CreateSlicePredicate(predicate),
consistency_level));
}
internal FluentCqlRow(CassandraObject key, string columnFamily, CassandraCqlRowSchema schema, IEnumerable <FluentColumn> columns)
{
SetSchema(schema);
Key = key;
FamilyName = columnFamily;
_columns = new List <FluentColumn>(columns);
}
public FluentSuperColumnFamily(CassandraObject key, string columnFamily)
: base(key, columnFamily, new CassandraColumnFamilySchema {
FamilyName = columnFamily,
KeyValueType = typeof(BytesType),
SuperColumnNameType = typeof(CompareWith),
ColumnNameType = typeof(CompareSubcolumnWith)
})
{
}
public static byte[] TryToBigEndian(this CassandraObject value)
{
if (value == null)
{
return(null);
}
return(value.ToBigEndian());
}
public static void InsertColumn(this CassandraColumnFamily family, CassandraObject key, FluentColumnPath path)
{
var columnName = path.Column.ColumnName;
var columnValue = path.Column.ColumnValue;
var timestamp = path.Column.ColumnTimestamp;
var timeToLive = path.Column.ColumnSecondsUntilDeleted;
var op = new InsertColumn(key, columnName, columnValue, timestamp, timeToLive);
family.ExecuteOperation(op);
}
public CassandraQuerySetup()
{
Reverse = false;
KeyCount = 100;
ColumnCount = 100;
Keys = new CassandraObject[0];
Columns = new CassandraObject[0];
}
public CassandraQuerySetup()
{
Reverse = false;
KeyCount = 100;
ColumnCount = 100;
Keys = new CassandraObject[0];
Columns = new CassandraObject[0];
}
private IEnumerable <FluentColumn> GetColumns(Apache.Cassandra.CqlRow row, CassandraCqlRowSchema schema)
{
foreach (var col in row.Columns)
{
var name = CassandraObject.GetCassandraObjectFromDatabaseByteArray(col.Name, CassandraType.BytesType);
var colSchema = schema.Columns.Where(x => x.Name == name).FirstOrDefault();
var fcol = Helper.ConvertColumnToFluentColumn(col, colSchema);
yield return(fcol);
}
}
public static void InsertColumn(this CassandraColumnFamily family, CassandraObject key, FluentColumnPath path)
{
var columnName = path.Column.ColumnName;
var columnValue = path.Column.ColumnValue;
var timestamp = path.Column.ColumnTimestamp;
var timeToLive = path.Column.ColumnSecondsUntilDeleted;
var op = new InsertColumn(key, columnName, columnValue, timestamp, timeToLive);
family.ExecuteOperation(op);
}
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);
}
}
public void Implicit_ByteArray_Cast()
{
// arrange
var expected = new CassandraObject[] { (AsciiType)"string1", (LongType)300 };
byte[] bytes = GetBytes(expected);
// act
CompositeType actual = bytes;
// assert
Assert.IsTrue(expected.SequenceEqual(actual));
}
public void CassandraType_Cast()
{
// arranage
var expected = new CassandraObject[] { (AsciiType)"string1", (LongType)300 };
// act
CompositeType actualType = expected;
CassandraObject actual = actualType;
// assert
Assert.IsTrue(expected.SequenceEqual((CassandraObject[])actual));
}
public void JavaBytes_To_CompositeType()
{
// arrange
var expected = new CassandraObject[] { (BytesType)_compositeType[0].GetValue<string>(), (BytesType)_compositeType[1].GetValue<long>() };
// act
var actual = new CompositeType();
actual.SetValueFromBigEndian(_javaByteOrder);
// assert
Assert.True(expected.SequenceEqual((CassandraObject[])actual));
}
public CassandraObject this[CassandraObject columnName]
{
get
{
var value = GetColumnValue(columnName);
if (value is NullType)
{
throw new CassandraException(String.Format("Column, {0}, could not be found.", columnName));
}
return(value);
}
}
private byte[] GetBytes(CassandraObject[] components)
{
using (var bytes = new MemoryStream())
{
foreach (var c in components)
{
var b = (byte[])c;
var length = (ushort)b.Length;
// value length
bytes.Write(BitConverter.GetBytes(length), 0, 2);
// value
bytes.Write(b, 0, length);
// end of component
bytes.WriteByte((byte)0);
}
return bytes.ToArray();
}
}
public static void InsertColumn(this CassandraSuperColumnFamily family, CassandraObject key, CassandraObject superColumnName, CassandraObject name, BytesType value, DateTimeOffset timestamp, int? timeToLive)
{
var op = new InsertColumn(key, superColumnName, name, value, timestamp, timeToLive);
family.ExecuteOperation(op);
}
public static FluentColumn GetColumn(this CassandraSuperColumnFamily family, CassandraObject key, FluentColumnPath path)
{
var columnName = path.Column.ColumnName;
var superColumnName = path.SuperColumn.ColumnName;
return GetColumn(family, key, superColumnName, columnName);
}
public static void InsertColumn(this CassandraSuperColumnFamily family, CassandraObject key, FluentColumn column)
{
InsertColumn(family, key, column.GetPath());
}
public static void InsertColumn(this CassandraSuperColumnFamily family, CassandraObject key, CassandraObject superColumnName, CassandraObject name, BytesType value)
{
InsertColumn(family, key, superColumnName, name, value, TimestampHelper.UtcNow(), null);
}
public static int SuperColumnCount(this CassandraSuperColumnFamily family, CassandraObject key, CassandraObject superColumnName, IEnumerable<CassandraObject> columnNames)
{
var op = new ColumnCount(key, superColumnName, new CassandraColumnSlicePredicate(columnNames));
return family.ExecuteOperation(op);
}
public static int SuperColumnCount(this CassandraSuperColumnFamily family, CassandraObject key, CassandraObject superColumnName, CassandraObject columnStart, CassandraObject columnEnd, bool reversed = false, int count = 100)
{
var op = new ColumnCount(key, superColumnName, new CassandraRangeSlicePredicate(columnStart, columnEnd, reversed, count));
return family.ExecuteOperation(op);
}
public static FluentSuperColumnFamily GetSingle(this CassandraSuperColumnFamily family, CassandraObject key, IEnumerable<CassandraObject> columnNames)
{
var op = new GetSuperColumnFamilySlice(key, new CassandraColumnSlicePredicate(columnNames));
return family.ExecuteOperation(op);
}
public static void InsertColumn(this CassandraColumnFamily family, CassandraObject key, CassandraObject columnName, BytesType columnValue)
{
InsertColumn(family, key, columnName, columnValue, DateTimePrecise.UtcNow, null);
}
public static void RemoveColumn(this CassandraSuperColumnFamily family, CassandraObject key, CassandraObject superColumnName)
{
RemoveColumn(family, key, superColumnName, null);
}
public static void RemoveColumn(this CassandraSuperColumnFamily family, CassandraObject key, CassandraObject superColumnName, CassandraObject columnName)
{
var op = new Remove(key, superColumnName, columnName);
family.ExecuteOperation(op);
}
public static CassandraType GetCassandraType(CassandraObject obj)
{
var typeName = obj.GetType().Name;
var cassandraType = (CassandraType)null;
switch (typeName.ToLower())
{
case "asciitype": cassandraType = AsciiType; break;
case "booleantype": cassandraType = BooleanType; break;
case "bytestype": cassandraType = BytesType; break;
case "datetype": cassandraType = DateType; break;
case "decimaltype": cassandraType = DecimalType; break;
case "doubletype": cassandraType = DoubleType; break;
case "floattype": cassandraType = FloatType; break;
case "int32type": cassandraType = Int32Type; break;
case "integertype": cassandraType = IntegerType; break;
case "lexicaluuidtype": cassandraType = LexicalUUIDType; break;
case "longtype": cassandraType = LongType; break;
case "timeuuidtype": cassandraType = TimeUUIDType; break;
case "utf8type": cassandraType = UTF8Type; break;
case "uuidtype": cassandraType = UUIDType; break;
case "emptytype": cassandraType = EmptyType; break;
case "inetaddresstype": cassandraType = InetAddressType; break;
// these need work
//case "compositetype": cassandraType = CompositeType; break;
//case "dynamiccompositetype": cassandraType = DynamicCompositeType; break;
//case "countercolumntype": cassandraType = CounterColumnType; break;
//case "reversedtype": cassandraType = ReversedType; break;
default: throw new CassandraException("Type '" + typeName + "' not found.");
}
return cassandraType;
}
public void remove(CassandraObject key, CassandraColumnPath column_path, long timestamp, Apache.Cassandra.ConsistencyLevel consistency_level)
{
_client.remove(
key.TryToBigEndian(),
Helper.CreateColumnPath(column_path),
timestamp,
consistency_level);
}
public void remove_counter(CassandraObject key, CassandraColumnPath path, Apache.Cassandra.ConsistencyLevel consistency_level)
{
_client.remove_counter(
key.TryToBigEndian(),
Helper.CreateColumnPath(path),
consistency_level);
}
public static FluentColumn GetColumn(this CassandraSuperColumnFamily family, CassandraObject key, CassandraObject superColumnName, CassandraObject columnName)
{
var op = new GetColumn(key, superColumnName, columnName);
return family.ExecuteOperation(op);
}
public static FluentSuperColumnFamily GetSingle(this CassandraSuperColumnFamily family, CassandraObject key, CassandraObject columnStart, CassandraObject columnEnd, bool reversed = false, int count = 100)
{
var op = new GetSuperColumnFamilySlice(key, new CassandraRangeSlicePredicate(columnStart, columnEnd, reversed, count));
return family.ExecuteOperation(op);
}
public static FluentSuperColumn GetSuperColumn(this CassandraSuperColumnFamily family, CassandraObject key, FluentColumnParent parent)
{
var superColumnName = parent.SuperColumn.ColumnName;
return GetSuperColumn(family, key, superColumnName);
}
public static void RemoveColumn(this CassandraColumnFamily family, CassandraObject key, FluentColumnPath path)
{
var columnName = path.Column.ColumnName;
RemoveColumn(family, key, columnName);
}