//public static void BatchOperation<T>(this IEntityStore<T> store, IEnumerable<T> addDatas, IEnumerable<T> updateDatas, IEnumerable<T> deleteDatas)
// where T : class
//{
// if (addDatas != null)
// {
// store.Add(addDatas);
// }
// if (updateDatas != null)
// {
// store.Update(updateDatas);
// }
// if (deleteDatas != null)
// {
// store.Delete(deleteDatas);
// }
//}
#region 树
public static void AddTreeNode <T, TKey>(this IEntityStore <T> store, T treeNode, string treePathSplitChar = ".")
where T : class, ISelfTree <TKey>
{
_ = store ?? throw new ArgumentNullException(nameof(store));
_ = treeNode ?? throw new ArgumentNullException(nameof(treeNode));
if (default(TKey).Equals(treeNode.ParentId))
{
//root node
treeNode.Depth = 0;
treeNode.NodePath = Hex36Convert.ConvertDecToHex36(0);
treeNode.PathValue = 0;
store.Add(treeNode);
}
else
{
var parent = store.FindByKey(treeNode.ParentId);
if (parent == null)
{
throw new ApplicationException("can not find parent node.");
}
treeNode.Depth = parent.Depth + 1;
string prefix = parent.NodePath + treePathSplitChar;
//fid current max value
var currentMax = store.Max(p => p.NodePath.StartsWith(prefix), p => (int?)p.PathValue);
var nextPathValue = (currentMax.HasValue ? currentMax.Value : 0) + 1;
treeNode.PathValue = nextPathValue;
treeNode.NodePath = $"{parent.NodePath}{treePathSplitChar}{Hex36Convert.ConvertDecToHex36(nextPathValue)}";
store.Add(treeNode);
}
}
public void AddTwoBlog()
{
blogStore.Add(new Blog {
Url = "http://www.baidu.com"
});
blogStore.Add(new Blog {
Url = "http://www.sina.com"
});
}
public void AddTwoBookWithTransaction(bool throwError)
{
entityStore.Add(new Book {
Id = DateTime.Now.Ticks, Name = "book"
});
if (throwError)
{
throw new ApplicationException("throw some exception");
}
entityStore.Add(new Book {
Id = DateTime.Now.Ticks, Name = "book"
});
}
public TEntity Store(TEntity entity)
{
AssertDispatcherThread();
var identity = _identifier.GetIdentity(entity);
var val = _store.Get(identity);
if (val == null)
{
_store.Add(entity);
}
return(entity);
}
public TEntity Store(TEntity entity)
{
AssertDispatcherThread();
var identity = _identifier.GetIdentity(entity);
var existing = _store.Get(identity);
if (existing != null)
{
// Conflict resolution and merging
}
else
{
_store.Add(entity);
}
return(entity);
}
