public Travel CreateTravelViewTest()
{
string partitionKey = "Lanxing"; // TODO: Initialize to an appropriate value
Guid rowKey = Guid.NewGuid(); // TODO: Initialize to an appropriate value
string place = "Shanghai"; // TODO: Initialize to an appropriate value
DateTime time = DateTime.Now; // TODO: Initialize to an appropriate value
SqlGeography sqlGeography = SqlGeography.Point(31, 121, 4326);
Travel travelView = new Travel() { PartitionKey = partitionKey, RowKey = rowKey, Place = place, Time = time, GeoLocationText = sqlGeography.ToString() };
return travelView;
}
public void GeoLocationTest()
{
Travel target = new Travel(); // TODO: Initialize to an appropriate value
byte[] expected = null; // TODO: Initialize to an appropriate value
byte[] actual;
target.GeoLocation = expected;
actual = target.GeoLocation;
Assert.AreEqual(expected, actual);
Assert.Inconclusive("Verify the correctness of this test method.");
}
public void RemoveFromTravel(Travel travel)
{
this._travelItems.Remove(travel);
this._dataServiceContext.DeleteObject(travel);
}
public void AddToTravel(Travel travel)
{
this._travelItems.Add(travel);
this._dataServiceContext.AddObject("Travels", travel);
}
public void UpdateTravel(Travel travel)
{
this._dataServiceContext.UpdateObject(travel);
}
public override int SaveChanges(SaveOptions options)
{
int returnValue = 0;
// 因为我们不调用base.SaveChanges, 我们必须手动关闭链接.
// 否则我们将留下许多打开的链接, 最终导致链接瓶颈.
// Entity Framework提供了base.SaveChanges内部使用的EnsureConnection和ReleaseConnection.
// 这些是内部方法, 所以我们必须使用反射调用它们.
var EnsureConnectionMethod = typeof(ObjectContext).GetMethod(
"EnsureConnection", BindingFlags.Instance | BindingFlags.NonPublic);
EnsureConnectionMethod.Invoke(this, null);
// 使用ObjectStateManager.GetObjectStateEntries完成增加,修改,和删除集合.
foreach (ObjectStateEntry ose in this.ObjectStateManager.GetObjectStateEntries(EntityState.Added))
{
Travel travel = ose.Entity as Travel;
if (travel != null)
{
RetryPolicy retryPolicy = new RetryPolicy();
retryPolicy.Task = new Action(() =>
{
this.InsertIntoTravel(travel.PartitionKey,
travel.Place, travel.GeoLocationText, travel.Time);
});
retryPolicy.Execute();
returnValue++;
}
}
foreach (ObjectStateEntry ose in this.ObjectStateManager.GetObjectStateEntries(EntityState.Modified))
{
Travel travel = ose.Entity as Travel;
if (travel != null)
{
RetryPolicy retryPolicy = new RetryPolicy();
retryPolicy.Task = new Action(() =>
{
this.UpdateTravel(travel.PartitionKey,
travel.RowKey, travel.Place, travel.GeoLocationText, travel.Time);
});
retryPolicy.Execute();
returnValue++;
}
}
foreach (ObjectStateEntry ose in this.ObjectStateManager.GetObjectStateEntries(EntityState.Deleted))
{
Travel travel = ose.Entity as Travel;
if (travel != null)
{
RetryPolicy retryPolicy = new RetryPolicy();
retryPolicy.Task = new Action(() =>
{
this.DeleteFromTravel(travel.PartitionKey, travel.RowKey);
});
retryPolicy.Execute();
returnValue++;
}
}
var ReleaseConnectionMethod = typeof(ObjectContext).
GetMethod("ReleaseConnection", BindingFlags.Instance | BindingFlags.NonPublic);
ReleaseConnectionMethod.Invoke(this, null);
return(returnValue);
}
/// <summary>
/// Deprecated Method for adding a new object to the Travels EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToTravels(Travel travel)
{
base.AddObject("Travels", travel);
}
/// <summary>
/// Create a new Travel object.
/// </summary>
/// <param name="partitionKey">Initial value of the PartitionKey property.</param>
/// <param name="rowKey">Initial value of the RowKey property.</param>
/// <param name="place">Initial value of the Place property.</param>
/// <param name="time">Initial value of the Time property.</param>
public static Travel CreateTravel(global::System.String partitionKey, global::System.Guid rowKey, global::System.String place, global::System.DateTime time)
{
Travel travel = new Travel();
travel.PartitionKey = partitionKey;
travel.RowKey = rowKey;
travel.Place = place;
travel.Time = time;
return travel;
}
/// <summary>
/// Deprecated Method for adding a new object to the Travels EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToTravels(Travel travel)
{
base.AddObject("Travels", travel);
}
public override int SaveChanges(SaveOptions options)
{
int returnValue = 0;
// Since we do not call base.SaveChanges, we have to take care of connections manually.
// Otherwise we may leave a lot of connections open, which results in connection throttle.
// Entity Framework provides EnsureConnection and ReleaseConnection which base.SaveChanges uses internally.
// They're internal methods, so we have to use reflection to invoke them.
var EnsureConnectionMethod = typeof(ObjectContext).GetMethod(
"EnsureConnection", BindingFlags.Instance | BindingFlags.NonPublic);
EnsureConnectionMethod.Invoke(this, null);
// Use ObjectStateManager.GetObjectStateEntries to obtain added, modified, and deleted entities.
foreach (ObjectStateEntry ose in this.ObjectStateManager.GetObjectStateEntries(EntityState.Added))
{
Travel travel = ose.Entity as Travel;
if (travel != null)
{
RetryPolicy retryPolicy = new RetryPolicy();
retryPolicy.Task = new Action(() =>
{
this.InsertIntoTravel(travel.PartitionKey,
travel.Place, travel.GeoLocationText, travel.Time);
});
retryPolicy.Execute();
returnValue++;
}
}
foreach (ObjectStateEntry ose in this.ObjectStateManager.GetObjectStateEntries(EntityState.Modified))
{
Travel travel = ose.Entity as Travel;
if (travel != null)
{
RetryPolicy retryPolicy = new RetryPolicy();
retryPolicy.Task = new Action(() =>
{
this.UpdateTravel(travel.PartitionKey,
travel.RowKey, travel.Place, travel.GeoLocationText, travel.Time);
});
retryPolicy.Execute();
returnValue++;
}
}
foreach (ObjectStateEntry ose in this.ObjectStateManager.GetObjectStateEntries(EntityState.Deleted))
{
Travel travel = ose.Entity as Travel;
if (travel != null)
{
RetryPolicy retryPolicy = new RetryPolicy();
retryPolicy.Task = new Action(() =>
{
this.DeleteFromTravel(travel.PartitionKey, travel.RowKey);
});
retryPolicy.Execute();
returnValue++;
}
}
var ReleaseConnectionMethod = typeof(ObjectContext).
GetMethod("ReleaseConnection", BindingFlags.Instance | BindingFlags.NonPublic);
ReleaseConnectionMethod.Invoke(this, null);
return(returnValue);
}
public void TravelViewConstructorTest()
{
Travel target = new Travel();
//Assert.Inconclusive("TODO: Implement code to verify target");
}
public void TimeTest()
{
Travel target = new Travel(); // TODO: Initialize to an appropriate value
DateTime expected = new DateTime(); // TODO: Initialize to an appropriate value
DateTime actual;
target.Time = expected;
actual = target.Time;
Assert.AreEqual(expected, actual);
Assert.Inconclusive("Verify the correctness of this test method.");
}
public void RowKeyTest()
{
Travel target = new Travel(); // TODO: Initialize to an appropriate value
Guid expected = new Guid(); // TODO: Initialize to an appropriate value
Guid actual;
target.RowKey = expected;
actual = target.RowKey;
Assert.AreEqual(expected, actual);
}
public void PlaceTest()
{
Travel target = new Travel(); // TODO: Initialize to an appropriate value
string expected = string.Empty; // TODO: Initialize to an appropriate value
string actual;
target.Place = expected;
actual = target.Place;
Assert.AreEqual(expected, actual);
Assert.Inconclusive("Verify the correctness of this test method.");
}
/// <summary>
/// Bing Maps Geocode服务的回调方法.
/// </summary>
private void GeocodeClient_ReverseGeocodeCompleted(object sender, ReverseGeocodeCompletedEventArgs e)
{
if (e.Error != null)
{
MessageBox.Show(e.Error.Message);
}
else if (e.Result.Results.Count > 0)
{
// 我们只关心第一个结果.
var result = e.Result.Results[0];
Travel travel = new Travel()
{
// PartitionKey代表用户.
// 然而, 客户端可以如下演示般发送一个假身份.
// 为了防止客户端使用假身份,
// 我们的服务一直在服务器端查询真实的身份.
PartitionKey = "*****@*****.**",
RowKey = Guid.NewGuid(),
Place = result.DisplayName,
Time = DateTime.Now,
// Latitude/Longitude通过服务获得地址,
// 因此可能不是正巧为所点击的地址.
Latitude = result.Locations[0].Latitude,
Longitude = result.Locations[0].Longitude
};
// 添加到ObservableCollection.
App.DataSource.AddToTravel(travel);
}
}
