本文整理汇总了C#中IFdbTransaction.Clear方法的典型用法代码示例。如果您正苦于以下问题：C# IFdbTransaction.Clear方法的具体用法？C# IFdbTransaction.Clear怎么用？C# IFdbTransaction.Clear使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IFdbTransaction的用法示例。
在下文中一共展示了IFdbTransaction.Clear方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: DeleteValue
/// <summary>Remove a field of an hashset</summary>
/// <param name="trans"></param>
/// <param name="id"></param>
/// <param name="field"></param>
public void DeleteValue(IFdbTransaction trans, IFdbTuple id, string field)
{
if (trans == null) throw new ArgumentNullException("trans");
if (id == null) throw new ArgumentNullException("id");
if (string.IsNullOrEmpty(field)) throw new ArgumentNullException("field");
trans.Clear(GetFieldKey(id, field));
}示例2: Delete
/// <summary>Remove one or more fields of an hashset</summary>
/// <param name="trans"></param>
/// <param name="id"></param>
/// <param name="fields"></param>
public void Delete(IFdbTransaction trans, IFdbTuple id, params string[] fields)
{
if (trans == null) throw new ArgumentNullException("trans");
if (id == null) throw new ArgumentNullException("id");
if (fields == null) throw new ArgumentNullException("fields");
foreach (var field in fields)
{
if (string.IsNullOrEmpty(field)) throw new ArgumentException("Field cannot have an empty name", "fields");
trans.Clear(GetFieldKey(id, field));
}
}示例3: RemoveFromParent
/// <summary>Remove an existing node from its parents</summary>
/// <returns>True if the parent node was found, otherwise false</returns>
private async Task<bool> RemoveFromParent(IFdbTransaction tr, IFdbTuple path)
{
Contract.Requires(tr != null && path != null);
var parent = await FindAsync(tr, path.Substring(0, path.Count - 1)).ConfigureAwait(false);
if (parent.Exists)
{
if (FdbDirectoryLayer.AnnotateTransactions) tr.Annotate("Removing path {0} from its parent folder at {1}", path, parent.Subspace.Key);
tr.Clear(GetSubDirKey(parent.Subspace, path.Get<string>(-1)));
return true;
}
return false;
}示例4: TryRemoteSplitPointAsync
private async Task<bool> TryRemoteSplitPointAsync(IFdbTransaction trans, long offset)
{
Contract.Requires(trans != null && offset >= 0);
var b = await GetChunkAtAsync(trans, offset).ConfigureAwait(false);
if (b.Offset == 0 || b.Key == Slice.Nil) return false; // in sparse region, or at beginning
var a = await GetChunkAtAsync(trans, b.Offset - 1).ConfigureAwait(false);
if (a.Key == Slice.Nil) return false; // no previous chunk
if (a.Offset + a.Data.Count != b.Offset) return false; // chunks can't be joined
if (a.Data.Count + b.Data.Count > CHUNK_SMALL) return false; // chunks shouldn't be joined
// yay--merge chunks
trans.Clear(b.Key);
trans.Set(a.Key, a.Data + b.Data);
return true;
}示例5: Drop
/// <summary>
/// Drop a student from a class
/// </summary>
public async Task Drop(IFdbTransaction tr, string s, string c)
{
var rec = AttendsKey(s, c);
if ((await tr.GetAsync(rec)).IsNullOrEmpty)
{ // not taking this class
return;
}
var students = Int32.Parse((await tr.GetAsync(ClassKey(c))).ToAscii());
tr.Set(ClassKey(c), Slice.FromAscii((students + 1).ToString()));
tr.Clear(rec);
}示例6: Scenario1
// Compare the behavior of the MemoryDB against a FoundationDB database
private async Task Scenario1(IFdbTransaction tr)
{
tr.Set(Slice.FromAscii("hello"), Slice.FromAscii("world!"));
tr.Clear(Slice.FromAscii("removed"));
var result = await tr.GetAsync(Slice.FromAscii("narf"));
}示例7: RemoveFromParent
/// <summary>Remove an existing node from its parents</summary>
/// <returns>True if the parent node was found, otherwise false</returns>
private async Task<bool> RemoveFromParent(IFdbTransaction tr, IFdbTuple path)
{
Contract.Requires(tr != null && path != null);
var parent = await FindAsync(tr, path.Substring(0, path.Count - 1)).ConfigureAwait(false);
if (parent.Exists)
{
tr.Clear(GetSubDirKey(parent.Subspace, path.Get<string>(-1)));
return true;
}
return false;
}