| public static ToBoolean ( byte value, int startIndex ) : bool | ||
| value | byte | |
| startIndex | int | |
| Результат | bool | |
public BTreePage(byte[] pageData)
{
_byteIterator = 0;
Records = new List <NodeRecord> {
Capacity = (int)Static.MemMax
};
Childrens = new List <long> {
Capacity = (int)Static.ChilMax
};
ParentIndex = BC.ToInt64(pageData, _byteIterator);
_byteIterator += sizeof(long);
SelfIndex = BC.ToInt64(pageData, _byteIterator);
_byteIterator += sizeof(long);
_presentRecords = BC.ToInt64(pageData, _byteIterator);
_byteIterator += sizeof(long);
IsLeaf = BC.ToBoolean(pageData, _byteIterator);
_byteIterator += sizeof(bool);
for (var i = 0; i < _presentRecords; i++)
{
var key = BC.ToInt64(pageData, _byteIterator);
_byteIterator += sizeof(long);
var pageIndex = BC.ToInt64(pageData, _byteIterator);
_byteIterator += sizeof(long);
Records.Add(new NodeRecord(key, pageIndex));
}
if (!IsLeaf)
{
for (var i = 0; i < _presentRecords + 1; i++)
{
Childrens.Add(BC.ToInt64(pageData, _byteIterator));
_byteIterator += sizeof(long);
}
}
}
public static bool ToBoolean(ReadOnlySpan <byte> value) => Converter.ToBoolean(value);
/// <summary>
/// 返回指定的字节数组中以指定位置的字节转换来的值
/// </summary>
/// <param name="buffer">来源字节数组</param>
/// <param name="offset">数据偏移</param>
/// <returns>值</returns>
public static bool ToBoolean(this byte[] buffer, int offset)
{
return(BitConverter.ToBoolean(buffer, offset));
}
