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 void Read (TProtocol iprot)
{
TField field;
iprot.ReadStructBegin();
while (true)
{
field = iprot.ReadFieldBegin();
if (field.Type == TType.Stop) {
break;
}
switch (field.ID)
{
case 1:
if (field.Type == TType.String) {
Start_key = iprot.ReadBinary();
} else {
TProtocolUtil.Skip(iprot, field.Type);
}
break;
case 2:
if (field.Type == TType.String) {
End_key = iprot.ReadBinary();
} else {
TProtocolUtil.Skip(iprot, field.Type);
}
break;
case 3:
if (field.Type == TType.String) {
Start_token = iprot.ReadString();
} else {
TProtocolUtil.Skip(iprot, field.Type);
}
break;
case 4:
if (field.Type == TType.String) {
End_token = iprot.ReadString();
} else {
TProtocolUtil.Skip(iprot, field.Type);
}
break;
case 6:
if (field.Type == TType.List) {
{
Row_filter = new List<IndexExpression>();
TList _list16 = iprot.ReadListBegin();
for( int _i17 = 0; _i17 < _list16.Count; ++_i17)
{
IndexExpression _elem18 = new IndexExpression();
_elem18 = new IndexExpression();
_elem18.Read(iprot);
Row_filter.Add(_elem18);
}
iprot.ReadListEnd();
}
} else {
TProtocolUtil.Skip(iprot, field.Type);
}
break;
case 5:
if (field.Type == TType.I32) {
Count = iprot.ReadI32();
} else {
TProtocolUtil.Skip(iprot, field.Type);
}
break;
default:
TProtocolUtil.Skip(iprot, field.Type);
break;
}
iprot.ReadFieldEnd();
}
iprot.ReadStructEnd();
}
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 void Read (TProtocol iprot)
{
TField field;
iprot.ReadStructBegin();
while (true)
{
field = iprot.ReadFieldBegin();
if (field.Type == TType.Stop) {
break;
}
switch (field.ID)
{
case 1:
if (field.Type == TType.List) {
{
Expressions = new List<IndexExpression>();
TList _list12 = iprot.ReadListBegin();
for( int _i13 = 0; _i13 < _list12.Count; ++_i13)
{
IndexExpression _elem14 = new IndexExpression();
_elem14 = new IndexExpression();
_elem14.Read(iprot);
Expressions.Add(_elem14);
}
iprot.ReadListEnd();
}
} else {
TProtocolUtil.Skip(iprot, field.Type);
}
break;
case 2:
if (field.Type == TType.String) {
Start_key = iprot.ReadBinary();
} else {
TProtocolUtil.Skip(iprot, field.Type);
}
break;
case 3:
if (field.Type == TType.I32) {
Count = iprot.ReadI32();
} else {
TProtocolUtil.Skip(iprot, field.Type);
}
break;
default:
TProtocolUtil.Skip(iprot, field.Type);
break;
}
iprot.ReadFieldEnd();
}
iprot.ReadStructEnd();
}