#region License Information
/* HeuristicLab
* Copyright (C) 2002-2008 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
*
* This file is part of HeuristicLab.
*
* HeuristicLab is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* HeuristicLab is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with HeuristicLab. If not, see .
*/
#endregion
using System;
using System.Collections.Generic;
using System.Text;
using HeuristicLab.Core;
using HeuristicLab.Data;
using System.Threading;
using HeuristicLab.CEDMA.DB.Interfaces;
using System.ServiceModel;
using HeuristicLab.CEDMA.Core;
using HeuristicLab.Operators;
namespace HeuristicLab.CEDMA.Operators {
public class SelectSubjects : OperatorBase {
private static readonly string cedmaNamespace = "http://www.heuristiclab.com/cedma/";
public override string Description {
get { return "TASK."; }
}
public SelectSubjects()
: base() {
AddVariableInfo(new VariableInfo("CedmaServerUri", "Uri of the CEDMA server", typeof(StringData), VariableKind.In));
AddVariableInfo(new VariableInfo("Subject", "", typeof(IItem), VariableKind.New));
AddVariableInfo(new VariableInfo("Predicate", "", typeof(StringData), VariableKind.In));
AddVariableInfo(new VariableInfo("Property", "", typeof(IItem), VariableKind.In));
}
public override IOperation Apply(IScope scope) {
string serverUrl = GetVariableValue("CedmaServerUri", scope, true).Data;
StringData predicate = GetVariableValue("Predicate", scope, true);
IItem property = GetVariableValue("Property", scope, true);
NetTcpBinding binding = new NetTcpBinding();
binding.MaxReceivedMessageSize = 10000000; // 10Mbytes
binding.ReaderQuotas.MaxStringContentLength = 10000000; // also 10M chars
binding.ReaderQuotas.MaxArrayLength = 10000000; // also 10M elements;
binding.Security.Mode = SecurityMode.None;
using(ChannelFactory factory = new ChannelFactory(binding)) {
IStore store = factory.CreateChannel(new EndpointAddress(serverUrl));
Statement template = new Statement(
new Entity(null),
new Entity(cedmaNamespace + predicate.Data),
new Entity(cedmaNamespace + "Items/" + property.Guid));
IList result = store.Select(template);
foreach(Statement s in result) {
Scope subScope = new Scope(s.Subject.Uri.Replace(cedmaNamespace, ""));
subScope.AddVariable(new Variable(scope.TranslateName("Subject"), new StringData(s.Subject.Uri.Replace(cedmaNamespace, ""))));
scope.AddSubScope(subScope);
}
}
return null;
}
}
}