本文整理汇总了C#中Transaction.Context方法的典型用法代码示例。如果您正苦于以下问题:C# Transaction.Context方法的具体用法?C# Transaction.Context怎么用?C# Transaction.Context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Transaction
的用法示例。
在下文中一共展示了Transaction.Context方法的9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: SearchPointer
public virtual BTreePointer SearchPointer(Transaction trans, object key)
{
EnsureActive(trans);
KeyCantBeNull(key);
var preparedComparison = KeyHandler().PrepareComparison(trans.Context
(), key);
var start = SearchLeaf(trans, preparedComparison, SearchTarget.
Lowest);
var bTreePointer = start.FirstValidPointer();
if (bTreePointer == null)
{
ConvertCacheEvictedNodesToReadMode();
return null;
}
var found = bTreePointer.Key();
ConvertCacheEvictedNodesToReadMode();
if (preparedComparison.CompareTo(found) == 0)
{
return bTreePointer;
}
return null;
}
示例2: SearchLeaf
public virtual BTreeNodeSearchResult SearchLeaf(Transaction trans, object key, SearchTarget
target)
{
return SearchLeaf(trans, _keyHandler.PrepareComparison(trans.Context(), key), target
);
}
示例3: Remove
public virtual object Remove(Transaction trans, object key)
{
var bTreePointer = SearchPointer(trans, key);
if (bTreePointer == null)
{
return null;
}
var result = bTreePointer.Key();
Enlist(trans);
var preparedComparison = KeyHandler().PrepareComparison(trans.Context
(), key);
var node = bTreePointer.Node();
node.Remove(trans, preparedComparison, key, bTreePointer.Index());
ConvertCacheEvictedNodesToReadMode();
return result;
}
示例4: SearchRange
public virtual IBTreeRange SearchRange(Transaction trans, object key)
{
KeyCantBeNull(key);
return SearchRange(trans, KeyHandler().PrepareComparison(trans.Context(), key));
}
示例5: Add
public virtual void Add(Transaction trans, object key)
{
KeyCantBeNull(key);
var preparedComparison = _keyHandler.PrepareComparison(trans.Context
(), key);
Add(trans, preparedComparison, key);
}
示例6: ReadThis
public override void ReadThis(Transaction trans, ByteArrayBuffer reader)
{
ReadNodeHeader(reader);
PrepareArrays();
var isInner = !_isLeaf;
for (var i = 0; i < _count; i++)
{
_keys[i] = KeyHandler().ReadIndexEntry(trans.Context(), reader);
if (isInner)
{
_children[i] = reader.ReadInt();
}
}
}
示例7: Key
internal object Key(Transaction trans, ByteArrayBuffer reader, int index)
{
if (CanWrite())
{
return InternalKey(trans, index);
}
if (reader == null)
{
reader = PrepareRead(trans);
}
if (CanWrite())
{
return InternalKey(trans, index);
}
SeekKey(reader, index);
return KeyHandler().ReadIndexEntry(trans.Context(), reader);
}
示例8: CompareInReadMode
private int CompareInReadMode(Transaction trans, IPreparedComparison preparedComparison
, ByteArrayBuffer reader, int index)
{
SeekKey(reader, index);
return -preparedComparison.CompareTo(KeyHandler().ReadIndexEntry(trans.Context(),
reader));
}
示例9: WriteThis
public override void WriteThis(Transaction trans, ByteArrayBuffer buffer)
{
var count = 0;
var startOffset = buffer._offset;
var context = trans.Context();
buffer.IncrementOffset(CountLeafAnd3LinkLength);
if (_isLeaf)
{
for (var i = 0; i < _count; i++)
{
var obj = InternalKey(trans, i);
if (obj != No4.Instance)
{
count++;
KeyHandler().WriteIndexEntry(context, buffer, obj);
}
}
}
else
{
for (var i = 0; i < _count; i++)
{
if (ChildCanSupplyFirstKey(i))
{
var child = (BTreeNode
) _children[i];
var childKey = child.FirstKey(trans);
if (childKey != No4.Instance)
{
count++;
KeyHandler().WriteIndexEntry(context, buffer, childKey);
buffer.WriteIDOf(trans, child);
}
}
else
{
count++;
KeyHandler().WriteIndexEntry(context, buffer, Key(i));
buffer.WriteIDOf(trans, _children[i]);
}
}
}
var endOffset = buffer._offset;
buffer._offset = startOffset;
buffer.WriteInt(count);
buffer.WriteByte(_isLeaf ? (byte) 1 : (byte) 0);
buffer.WriteInt(_parentID);
buffer.WriteInt(_previousID);
buffer.WriteInt(_nextID);
buffer._offset = endOffset;
}