/// <summary>
/// Retrieves an existing entity set, or creates a new one if no matching entityset is found.
/// </summary>
/// <param name="entitySetName">Entity set name.</param>
/// <returns>A ModelEntitySet object.</returns>
public ModelEntitySet GetOrCreateEntitySet(string entitySetName)
{
try
{
ModelEntitySet modelEntitySet = EntitySets.FirstOrDefault(es => es.Name.Equals(entitySetName));
if (modelEntitySet == null)
{
modelEntitySet = AddEntitySet(entitySetName);
}
return(modelEntitySet);
}
catch (Exception ex)
{
try
{
if (!ex.Data.Contains("EDMXType"))
{
ex.Data.Add("EDMXType", this.GetType().Name);
}
if (!ex.Data.Contains("EDMXObjectName"))
{
ex.Data.Add("EDMXObjectName", this.ContainerName);
}
}
catch { }
throw;
}
}
/// <summary>
/// Retrieves an existing entityset by name, or creates a new one if no matching entity set exist in the storage model.
/// </summary>
/// <param name="entitySetName">Name of the entity set to get or create.</param>
/// <returns>A StoreEntitySet object.</returns>
public StoreEntitySet GetOrCreateEntitySet(string entitySetName)
{
StoreEntitySet storeEntitySet = EntitySets.FirstOrDefault(es => es.Name.Equals(entitySetName, StringComparison.InvariantCultureIgnoreCase));
if (storeEntitySet == null)
{
storeEntitySet = AddEntitySet(entitySetName);
}
return(storeEntitySet);
}
private EntitySetBase FindEntitySet(EdmType entityType)
{
while (entityType != null)
{
var set = EntitySets.FirstOrDefault(es => es.ElementType == entityType);
if (set != null)
{
return(set);
}
entityType = entityType.BaseType;
}
return(null);
}
/// <summary>
/// Retrieves an existing entityset based on a conceptual model entityset/type, or creates a new one if a match can not be found.
/// </summary>
/// <param name="modelEntitySet">Conceptual model entity set to match.</param>
/// <param name="modelEntityType">Conceptual model entity type to match.</param>
/// <param name="schemaName">Database schemaname for the new entity set.</param>
/// <param name="tableName">Tablename for the new entityset.</param>
/// <returns>A StoreEntitySet object.</returns>
public StoreEntitySet GetOrCreateEntitySet(ModelEntitySet modelEntitySet, ModelEntityType modelEntityType, string schemaName, string tableName)
{
string entitySetName = null;
if (!modelEntityType.HasBaseType)
{
entitySetName = modelEntitySet.Name;
}
else
{
entitySetName = modelEntityType.TopLevelBaseType.EntitySet.Name + "_" + modelEntityType.Name;
}
StoreEntitySet storeEntitySet = EntitySets.FirstOrDefault(es => es.Name.Equals(entitySetName, StringComparison.InvariantCultureIgnoreCase));
if (storeEntitySet == null)
{
storeEntitySet = AddEntitySet(modelEntitySet, modelEntityType, schemaName, tableName);
}
return(storeEntitySet);
}