public void PostBelongsToBlog()
{
InitKernel();
IRelationshipInferenceService relService = ObtainService();
TableDefinition blogTable;
TableDefinition postTable;
BuildBlogPostsStructure(out blogTable, out postTable);
BuildContext context = new BuildContext();
ActiveRecordDescriptor arDesc = new ActiveRecordDescriptor();
ActiveRecordPropertyDescriptor[] descs = relService.InferRelations(arDesc, postTable, context);
Assert.IsNotNull(descs);
Assert.AreEqual(1, descs.Length);
ActiveRecordBelongsToDescriptor desc1 = descs[0] as ActiveRecordBelongsToDescriptor;
Assert.IsNotNull(desc1);
Assert.IsNotNull(desc1.TargetType);
Assert.IsNull(desc1.PropertyType);
Assert.AreEqual("Blog", desc1.PropertyName);
Assert.AreEqual("blog_id", desc1.ColumnName);
ActiveRecordDescriptor targetARDescriptor = context.GetNextPendent();
Assert.AreSame(blogTable, targetARDescriptor.Table);
}
public ActiveRecordDescriptor Build(TableDefinition tableDef, BuildContext context)
{
ActiveRecordDescriptor desc = ObtainDescriptor(tableDef);
// ClassName
desc.ClassName = _namingService.CreateClassName(tableDef.Name);
// Plain fields
desc.Properties.AddRange(_plainFieldsService.InferProperties(tableDef));
// Relations
desc.PropertiesRelations.AddRange(_relationsService.InferRelations(desc, tableDef, context));
// Operations
// TODO!
context.RemovePendent(desc);
Build(context);
return(desc);
}
public override void Activated(IDictionary context)
{
TableDefinition table = context["selectedtable"] as TableDefinition;
if (table != _oldTable)
{
_oldTable = table;
ActiveRecordDescriptor ar = context["ardesc"] as ActiveRecordDescriptor;
listView1.Items.Clear();
BuildContext buildCtx = context["buildcontext"] as BuildContext;
IRelationshipInferenceService relationInference =
ServiceRegistry.Instance[typeof(IRelationshipInferenceService)] as IRelationshipInferenceService;
ActiveRecordPropertyRelationDescriptor[] properties =
relationInference.InferRelations(ar, table, buildCtx);
ar.PropertiesRelations.Clear();
ar.PropertiesRelations.AddRange(properties);
foreach (ActiveRecordPropertyRelationDescriptor property in properties)
{
ListViewItem item = listView1.Items.Add(property.PropertyName);
item.Tag = property;
item.Checked = property.Generate;
if (property.TargetType != null)
{
item.SubItems.Add(
property.TargetType.ClassName != null ? property.TargetType.ClassName : "<Pendent>");
}
else
{
throw new ApplicationException("Information missing");
}
item.SubItems.Add(property.RelationType);
item.SubItems.Add(property.ColumnName);
}
}
}
public void SelfReference()
{
InitKernel();
IRelationshipInferenceService relService = ObtainService();
DatabaseDefinition dbdef = new DatabaseDefinition("alias");
TableDefinition categoryTable = new TableDefinition("categories", dbdef);
categoryTable.AddColumn(new ColumnDefinition("id", true, false, true, false, OleDbType.Integer));
categoryTable.AddColumn(new ColumnDefinition("name", false, false, false, false, OleDbType.VarChar));
categoryTable.AddColumn(new ColumnDefinition("parent_id", false, true, false, false, OleDbType.Integer, categoryTable));
categoryTable.AddManyRelation(categoryTable);
BuildContext context = new BuildContext();
ActiveRecordDescriptor arDesc = new ActiveRecordDescriptor();
ActiveRecordPropertyDescriptor[] descs = relService.InferRelations(arDesc, categoryTable, context);
Assert.IsFalse(context.HasPendents);
Assert.IsNotNull(descs);
Assert.AreEqual(2, descs.Length);
ActiveRecordHasManyDescriptor desc1 = descs[0] as ActiveRecordHasManyDescriptor;
Assert.IsNotNull(desc1);
Assert.IsNotNull(desc1.TargetType);
Assert.IsNotNull(desc1.PropertyType);
Assert.AreEqual("Categories", desc1.PropertyName);
Assert.AreEqual("parent_id", desc1.ColumnName);
Assert.AreEqual(typeof(IList), desc1.PropertyType);
ActiveRecordBelongsToDescriptor desc2 = descs[1] as ActiveRecordBelongsToDescriptor;
Assert.IsNotNull(desc2);
Assert.IsNotNull(desc2.TargetType);
Assert.IsNull(desc2.PropertyType);
Assert.AreEqual("Category", desc2.PropertyName);
Assert.AreEqual("parent_id", desc2.ColumnName);
}