/// <summary>
/// 递归读取CommandQueue
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
private FilterDefinition <T> GetTempBuilder <T>(TempCommandQueue comm)
{
Console.WriteLine($@"TempCommandQueue>>{comm.GroupId}");
FilterDefinition <T> filterDefinition = null;
if (!comm.HasExcuted) //未被调用过
{
foreach (var communit in comm.TempLine)
{
if (communit.CommandReader()) //解析自身命令
{
if (filterDefinition == null)
{
filterDefinition = RunBuilder <T>(communit);
}
else
{
filterDefinition &= RunBuilder <T>(communit);
//filterDefinition |= communit.ToBuilder<T, string>("沙");
}
}
else
{
if (communit.IsLinked)
{
//调用Link命令，转到其他解析
var id = communit.LinkedId;
var temp = tempCommandQueues.Where(e => e.GroupId == id).First();
var ret_sub_cline = GetTempBuilder <T>(temp);
if (ret_sub_cline != null)
{
(filterDefinition) &= ret_sub_cline;
}
}
}
}
comm.HasExcuted = true;
}
return(filterDefinition);
}
public void GetWhereTrees()
{
List <SentencesUnit> sentences = new List <SentencesUnit>();
List <string> treelist = new List <string>();
List <SQLWhereCommandLine> CommandLines = new List <SQLWhereCommandLine>();
foreach (var e in TempExecuteSentence)
{
// Console.WriteLine(e);
//改判断标识当前新语句e在sentens外围( eeee /....sentence executed ..../ eeee),则替换
var nodes = sentences.FindAll(s => s.BeginPos > e.BeginPos && s.EndPos < e.EndPos);
if (nodes.Count > 0)
{
var str = e.Command;
foreach (var n in nodes)
{
str = str.Replace(n.Command, $@" [node{n.Id}] ");
}
treelist.Add($@"{e.Id} >>" + str);
//判断标识当前新语句e在sentens外围,则去除原语句，并加入新语句
sentences.RemoveAll(s => s.BeginPos > e.BeginPos && s.EndPos < e.EndPos);
sentences.Add(e);
}
else
{
treelist.Add($@"{e.Id} >>" + e.Command);
//判断标识当前新语句e不在sentens外围,则添加
sentences.Add(e);
}
}
//解析树
//50405199-3f6f-4993-bf1e-3762bca14724 >>( Name like @Name )
//9415faac-f6c8-4e03-8edb-cddf5a3e56a2 >>( Name = 123 or Age > 25 or [node50405199-3f6f-4993-bf1e-3762bca14724] )
//f5a9e106-8584-4df2-9858-c87ecede8002 >>( Name <> 123 or Age <=10 )
//81557301-79ca-443b-84ab-ebe2949eb8e6 >>( [node9415faac-f6c8-4e03-8edb-cddf5a3e56a2] or [nodef5a9e106-8584-4df2-9858-c87ecede8002] and CreateDate > @NOW )
foreach (var list in treelist)
{
var splitchars = new string[] { "or", "and" };
var _comm = list.Split(">>");
var Id = _comm[0];
if (_comm[1].Trim().StartsWith("(") && _comm[1].Trim().EndsWith(")"))
{
_comm[1] = _comm[1].Replace("(", string.Empty).Replace(")", string.Empty);
}
var commands = _comm[1].Trim().Split(splitchars, StringSplitOptions.RemoveEmptyEntries);
foreach (var comm in commands)
{
if (comm.Trim().ToLower().StartsWith("[node") && comm.Trim().ToLower().EndsWith("]"))
{
var linkid = comm.Trim().Replace("[node", string.Empty).Replace("]", string.Empty);
CommandLines.Add(new SQLWhereCommandLine {
_id = Id.Trim(), LinkedId = linkid.Trim()
});
}
else
{
CommandLines.Add(new SQLWhereCommandLine {
_id = Id.Trim(), Command = comm.Trim()
});
//thetrees.Add(new WhereTree { ExecuteCode = comm, NodeType = WhereNodeType.AND,_id = _comm[0].Trim() });
}
}
//Console.WriteLine(list);
}
//908892ef-c6ae-4ed5-a3dd-c77c3c4cf2a6 >> Name like @Name
//7238d3d1-e1a9-470c-9094-e14a3318d12e >> Name = 123
//7238d3d1-e1a9-470c-9094-e14a3318d12e >> Age > 25
//7238d3d1-e1a9-470c-9094-e14a3318d12e >> Linked >> 908892ef-c6ae-4ed5-a3dd-c77c3c4cf2a6
//779e8819-9d1c-4e18-bc16-3b77bd5d262a >> Name <> 123
//779e8819-9d1c-4e18-bc16-3b77bd5d262a >> Age <=10
//58973e7d-7605-4a37-bd30-d2946a6a6d24 >> Linked >> 7238d3d1-e1a9-470c-9094-e14a3318d12e
//58973e7d-7605-4a37-bd30-d2946a6a6d24 >> Linked >> 779e8819-9d1c-4e18-bc16-3b77bd5d262a
//58973e7d-7605-4a37-bd30-d2946a6a6d24 >> CreateDate > @NOW
//测试输出顺序
foreach (var _command in CommandLines)
{
Console.WriteLine(_command);
}
//执行分组
foreach (var group in CommandLines.GroupBy(e => e._id))
{
TempCommandQueue tcq = new TempCommandQueue();
tcq.GroupId = group.FirstOrDefault()._id; //执行组id
foreach (var commtable in group)
{
tcq.TempLine.Enqueue(commtable);
//只要有一个为Link节点，则整个队列属性为Linked
if (commtable.IsLinked)
{
tcq.HasLinked = true;
}
}
tempCommandQueues.Add(tcq);
}
}
/// <summary>
/// 执行
/// </summary>
/// <param name="tempCommand"></param>
private void ExecutedTempCommandQueue(TempCommandQueue tempCommand)
{
}
