public static NpgsqlCommand ToCommand(IQueryHandler handler)
{
var command = new NpgsqlCommand();
using (var builder = new CommandBuilder(command))
{
handler.ConfigureCommand(builder);
command.CommandText = builder._sql.ToString();
return(command);
}
}
protected T executeHandler <T>(IQueryHandler <T> handler, QueryStatistics stats)
{
var cmd = new NpgsqlCommand();
var builder = new CommandBuilder(cmd);
handler.ConfigureCommand(builder, this);
cmd.CommandText = builder.ToString();
using (var reader = Database.ExecuteReader(cmd))
{
return(handler.Handle(reader, this, stats));
}
}
protected async Task <T> executeHandlerAsync <T>(IQueryHandler <T> handler, QueryStatistics stats, CancellationToken token)
{
var cmd = new NpgsqlCommand();
var builder = new CommandBuilder(cmd);
handler.ConfigureCommand(builder, this);
cmd.CommandText = builder.ToString();
using (var reader = await Database.ExecuteReaderAsync(cmd, token).ConfigureAwait(false))
{
return(await handler.HandleAsync(reader, this, stats, token).ConfigureAwait(false));
}
}
public static async Task <T> FetchAsync <T>(this IManagedConnection runner, IQueryHandler <T> handler, IIdentityMap map, CancellationToken token)
{
var command = new NpgsqlCommand();
handler.ConfigureCommand(command);
return(await runner.ExecuteAsync(command, async (c, tkn) =>
{
using (var reader = await command.ExecuteReaderAsync(tkn).ConfigureAwait(false))
{
return await handler.HandleAsync(reader, map, tkn).ConfigureAwait(false);
}
}, token).ConfigureAwait(false));
}
public static T Fetch <T>(this IManagedConnection runner, IQueryHandler <T> handler, IIdentityMap map)
{
var command = new NpgsqlCommand();
handler.ConfigureCommand(command);
return(runner.Execute(command, c =>
{
using (var reader = command.ExecuteReader())
{
return handler.Handle(reader, map);
}
}));
}
public static NpgsqlCommand ToCommand(ITenant tenant, IQueryHandler handler)
{
var command = new NpgsqlCommand();
using (var builder = new CommandBuilder(command))
{
handler.ConfigureCommand(builder);
command.CommandText = builder._sql.ToString();
if (command.CommandText.Contains(TenantIdArg))
{
command.AddNamedParameter(TenantIdArgument.ArgName, tenant.TenantId);
}
return(command);
}
}
public static NpgsqlCommand BuildCommand(this IMartenSession session, IQueryHandler handler)
{
var command = new NpgsqlCommand();
var builder = new CommandBuilder(command);
handler.ConfigureCommand(builder, session);
command.CommandText = builder.ToString();
var tenantParameter = command.Parameters.FirstOrDefault(x => x.ParameterName == TenantIdArgument.ArgName);
if (tenantParameter != null)
{
tenantParameter.Value = session.Tenant.TenantId;
}
return(command);
}
public void ConfigureCommand(NpgsqlCommand command)
{
_inner.ConfigureCommand(command);
}
public void ConfigureCommand(CommandBuilder builder)
{
_inner.ConfigureCommand(builder);
}
public void Configure(IDocumentSchema schema, NpgsqlCommand command)
{
_handler.ConfigureCommand(command);
}
