diff options
Diffstat (limited to 'BackEnd/Timeline/Services/DataManager.cs')
| -rw-r--r-- | BackEnd/Timeline/Services/DataManager.cs | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/BackEnd/Timeline/Services/DataManager.cs b/BackEnd/Timeline/Services/DataManager.cs index f24bb59b..b697630c 100644 --- a/BackEnd/Timeline/Services/DataManager.cs +++ b/BackEnd/Timeline/Services/DataManager.cs @@ -22,20 +22,22 @@ namespace Timeline.Services /// increases its ref count and returns a tag to the entry.
/// </summary>
/// <param name="data">The data. Can't be null.</param>
+ /// <param name="saveDatabaseChange">If true save database change. Otherwise it does not save database change.</param>
/// <returns>The tag of the created entry.</returns>
/// <exception cref="ArgumentNullException">Thrown when <paramref name="data"/> is null.</exception>
- public Task<string> RetainEntry(byte[] data);
+ public Task<string> RetainEntry(byte[] data, bool saveDatabaseChange = true);
/// <summary>
/// Decrease the the ref count of the entry.
/// Remove it if ref count is zero.
/// </summary>
/// <param name="tag">The tag of the entry.</param>
+ /// <param name="saveDatabaseChange">If true save database change. Otherwise it does not save database change.</param>
/// <exception cref="ArgumentNullException">Thrown when <paramref name="tag"/> is null.</exception>
/// <remarks>
/// It's no-op if entry with tag does not exist.
/// </remarks>
- public Task FreeEntry(string tag);
+ public Task FreeEntry(string tag, bool saveDatabaseChange = true);
/// <summary>
/// Retrieve the entry with given tag. If not exist, returns null.
@@ -57,7 +59,7 @@ namespace Timeline.Services _eTagGenerator = eTagGenerator;
}
- public async Task<string> RetainEntry(byte[] data)
+ public async Task<string> RetainEntry(byte[] data, bool saveDatabaseChange = true)
{
if (data == null)
throw new ArgumentNullException(nameof(data));
@@ -80,11 +82,14 @@ namespace Timeline.Services {
entity.Ref += 1;
}
- await _database.SaveChangesAsync();
+
+ if (saveDatabaseChange)
+ await _database.SaveChangesAsync();
+
return tag;
}
- public async Task FreeEntry(string tag)
+ public async Task FreeEntry(string tag, bool saveDatabaseChange)
{
if (tag == null)
throw new ArgumentNullException(nameof(tag));
@@ -101,7 +106,9 @@ namespace Timeline.Services {
entity.Ref -= 1;
}
- await _database.SaveChangesAsync();
+
+ if (saveDatabaseChange)
+ await _database.SaveChangesAsync();
}
}
|