using system;
using system.componentmodel;
using system.data;
using system.xml;

namespace system.data.xmlclient
{

  public class xmlcommand : component, idbcommand, icloneable
    {
    // constructors
    public xmlcommand()
        {
        }

    public xmlcommand(string scommand)
    {
      _commandtext = scommand;
      _connection = null;
    }

    public xmlcommand(string scommand, xmlconnection conn)
    {
      _commandtext = scommand;
      _connection = conn;
    }

    ////////////////////
    // idbcommand
    ////////////////////

    // public properties
    public string commandtext
    {
      get { return _commandtext;  }
      set { _commandtext = value; }
    }

    public int commandtimeout
    {
      get { throw new invalidoperationexception("xmlclient provider does not support this property"); }
      set { throw new invalidoperationexception("xmlclient provider does not support this property"); }
    }

    public commandtype commandtype
    {
      get { throw new invalidoperationexception("xmlclient provider does not support this property"); }
      set { throw new invalidoperationexception("xmlclient provider does not support this property"); }
    }

    public idbconnection connection
    {
      get { return _connection;  }
      set { _connection = (xmlconnection) value; }
    }

    public idataparametercollection parameters
    {
      get { throw new invalidoperationexception("xmlclient provider does not support this property"); }
    }

    public idbtransaction transaction
    {
      get { throw new invalidoperationexception("xmlclient provider does not support this property"); }
      set { throw new invalidoperationexception("xmlclient provider does not support this property"); }
    }

    public updaterowsource updatedrowsource
    {
      get { throw new invalidoperationexception("xmlclient provider does not support this property"); }
      set { throw new invalidoperationexception("xmlclient provider does not support this property"); }
    }

    // public methods
    public void cancel()
    {
      throw new invalidoperationexception("xmlclient provider does not support this function");
    }

    public idbdataparameter createparameter()
    {
      throw new invalidoperationexception("xmlclient provider does not support this function");
    }

    public int executenonquery()
    {
      throw new invalidoperationexception("xmlclient provider does not support this function");
    }

    public idatareader executereader()
    {
      return null;
    }

    public idatareader executereader(commandbehavior behavior)
    {
      return null;
    }

    public object executescalar()
    {
      throw new invalidoperationexception("xmlclient provider does not support this function");
    }

    public void prepare()
    {
      //throw new invalidoperationexception("xmlclient provider does not support this function");
    }

    ////////////////////
    // icloneable
    ////////////////////
    public object clone()
    {
      return null;
    }

    ////////////////////
    // internal data members
    ////////////////////
    internal string _commandtext = "";
    internal xmlconnection _connection = null;
     }
}