public DSPContext CreateContext(DSPMetadata metadata)
{
if (cachedContext == null)
{
lock (this)
{
var dspContext = new DSPContext();
using (MongoContext mongoContext = new MongoContext(ConfigurationManager.ConnectionStrings["NorthwindContext.MongoDB"].ConnectionString))
{
foreach (var resourceSet in metadata.ResourceSets)
{
var entities = dspContext.GetResourceSetEntities(resourceSet.Name);
foreach (var bsonDocument in mongoContext.Database.GetCollection(resourceSet.Name).FindAll())
{
var resource = CreateDSPResource(resourceSet.ResourceType, bsonDocument);
entities.Add(resource);
}
}
}
foreach (var reference in resourceReferences)
{
resourceMap[reference.Item1].SetValue(reference.Item2, resourceMap[reference.Item3]);
}
foreach (var reference in resourceSetReferences)
{
var referencedCollection = new List<DSPResource>();
resourceMap[reference.Item1].SetValue(reference.Item2, referencedCollection);
foreach (var objectId in reference.Item3)
{
referencedCollection.Add(resourceMap[objectId]);
}
}
cachedContext = dspContext;
}
}
return cachedContext;
}
public MongoDSPUpdateProvider(string connectionString, DSPContext dataContext, MongoMetadata mongoMetadata)
: base(dataContext, mongoMetadata.CreateDSPMetadata())
{
this.connectionString = connectionString;
this.mongoMetadata = mongoMetadata;
}
/// <summary>Constructor.</summary>
/// <param name="dataContext">The data context to apply the changes to.</param>
/// <param name="metadata">The metadata describing the types to work with.</param>
public DSPUpdateProvider(DSPContext dataContext, DSPMetadata metadata)
{
this.dataContext = dataContext;
this.metadata = metadata;
this.pendingChanges = new List <Action>();
}
/// <summary>Constructor.</summary>
/// <param name="dataContext">The data context to apply the changes to.</param>
/// <param name="metadata">The metadata describing the types to work with.</param>
public DSPUpdateProvider(DSPContext dataContext, DSPMetadata metadata)
{
this.dataContext = dataContext;
this.metadata = metadata;
this.pendingChanges = new List<Action>();
}
/// <summary>Constructor.</summary>
/// <param name="dataContext">The data context to apply the changes to.</param>
/// <param name="metadata">The metadata describing the types to work with.</param>
public DSPUpdateProvider(DSPContext dataContext, DSPMetadata metadata)
{
_dataContext = dataContext;
_metadata = metadata;
_pendingChanges = new List<Action>();
}