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 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 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 ConvertColumnToFluentColumn(Column col, CassandraColumnFamilySchema schema = null)
{
var colSchema = new CassandraColumnSchema();
if (schema != null)
{
var name = CassandraObject.GetTypeFromDatabaseValue(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 FluentColumn(colSchema) {
ColumnName = CassandraObject.GetTypeFromDatabaseValue(col.Name, colSchema.NameType),
ColumnValue = CassandraObject.GetTypeFromDatabaseValue(col.Value, colSchema.ValueType),
ColumnTimestamp = UnixStart.AddMilliseconds(col.Timestamp),
};
if (col.__isset.ttl)
fcol.ColumnSecondsUntilDeleted = col.Ttl;
return fcol;
}
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 static FluentColumn ConvertColumnToFluentColumn(Column col, CassandraColumnSchema colSchema)
{
colSchema = colSchema ?? new CassandraColumnSchema();
var fcol = new FluentColumn(colSchema) {
ColumnName = CassandraObject.GetCassandraObjectFromDatabaseByteArray(col.Name, colSchema.NameType),
ColumnValue = CassandraObject.GetCassandraObjectFromDatabaseByteArray(col.Value, colSchema.ValueType),
ColumnTimestamp = TimestampHelper.FromCassandraTimestamp(col.Timestamp),
};
if (col.__isset.ttl)
fcol.ColumnSecondsUntilDeleted = col.Ttl;
return fcol;
}
public static FluentColumn ConvertColumnToFluentColumn(Column col, CassandraColumnSchema colSchema)
{
colSchema = colSchema ?? new CassandraColumnSchema();
var fcol = new FluentColumn(colSchema)
{
ColumnName = CassandraObject.GetCassandraObjectFromDatabaseByteArray(col.Name, colSchema.NameType),
ColumnValue = CassandraObject.GetCassandraObjectFromDatabaseByteArray(col.Value, colSchema.ValueType),
ColumnTimestamp = TimestampHelper.FromCassandraTimestamp(col.Timestamp),
};
if (col.__isset.ttl)
{
fcol.ColumnSecondsUntilDeleted = col.Ttl;
}
return(fcol);
}
public override FluentSuperColumn Execute()
{
var schema = ColumnFamily.GetSchema();
var superColSchema = new CassandraColumnSchema {
NameType = schema.SuperColumnNameType,
Name = SuperColumnName,
ValueType = schema.ColumnNameType
};
var result = new FluentSuperColumn(superColSchema, GetColumns(ColumnFamily))
{
ColumnName = SuperColumnName
};
ColumnFamily.Context.Attach(result);
result.MutationTracker.Clear();
return(result);
}
public static FluentSuperColumn ConvertSuperColumnToFluentCounterSuperColumn(CounterSuperColumn col, CassandraColumnFamilySchema schema = null)
{
var superColSchema = new CassandraColumnSchema {
Name = col.Name
};
if (schema != null)
superColSchema = new CassandraColumnSchema {
NameType = schema.SuperColumnNameType,
Name = CassandraObject.GetTypeFromDatabaseValue(col.Name, schema.SuperColumnNameType),
ValueType = schema.ColumnNameType
};
var superCol = new FluentSuperColumn(superColSchema) {
ColumnName = CassandraObject.GetTypeFromDatabaseValue(col.Name, superColSchema.NameType)
};
foreach (var xcol in col.Columns)
superCol.Columns.Add(ConvertColumnToFluentCounterColumn(xcol, schema));
return superCol;
}
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;
}
