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ExecuteMessage.cs
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executable file
·53 lines (44 loc) · 1.39 KB
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using System;
using System.Collections.Generic;
using System.Diagnostics.Contracts;
using System.Linq;
using System.Text;
namespace Npgsql.FrontendMessages
{
class ExecuteMessage : SimpleFrontendMessage
{
internal string Portal { get; private set; }
internal int MaxRows { get; private set; }
const byte Code = (byte)'E';
internal ExecuteMessage() {}
internal ExecuteMessage(string portal="", int maxRows=0)
{
Populate(portal, maxRows);
}
internal ExecuteMessage Populate(string portal = "", int maxRows = 0)
{
Portal = portal;
//MaxRows = maxRows;
return this;
}
internal override int Length
{
get { return 1 + 4 + (Portal.Length + 1) + 4; }
}
internal override void Write(NpgsqlBuffer buf)
{
Contract.Requires(Portal != null && Portal.All(c => c < 128));
// TODO: Recycle?
var portalNameBytes = Encoding.ASCII.GetBytes(Portal);
buf
.WriteByte(Code)
.WriteInt32(Length - 1)
.WriteBytesNullTerminated(portalNameBytes)
.WriteInt32(MaxRows);
}
public override string ToString()
{
return String.Format("[Execute(Portal={0},MaxRows={1}]", Portal, MaxRows);
}
}
}