/// <summary>
/// 寻找现在已有的文件记录
/// </summary>
private void ProcAddData()
{
while (true)
{
DataUnit[] datas = null;
lock (((ICollection)queueData).SyncRoot)
{
datas = queueData.ToArray();
queueData.Clear();
}
if (datas != null && datas.Length > 0)
{
lock (dicFile)
{
for (int i = 0; i < datas.Length; i++)
{
int analogIndex = datas[i].Type * 10000 + datas[i].Index;
if (dicFile.ContainsKey(analogIndex) == false)
{
AnalogFile fileAnalog = new AnalogFile(this, datas[i].Type, datas[i].Index);
dicFile.Add(analogIndex, fileAnalog);
dicFile[analogIndex].AddAnalog(datas[i].Time, float.NaN, (byte)0x0f); //开始的第一个点加入无效数据
}
dicFile[analogIndex].AddAnalog(datas[i].Time, datas[i].Analog, datas[i].Digit);
}
}
}
else
{
dataReceivedEvent.WaitOne();
}
}
}
public List <List <AnalogPoint> > GetAnalogPoint(int type, int index, DateTime timeBegin, DateTime timeEnd)
{
int analogIndex = type * 10000 + index;
if (dicFile.ContainsKey(analogIndex) == false)
{
AnalogFile fileAnalog = new AnalogFile(this, type, index);
dicFile.Add(analogIndex, fileAnalog);
}
return(dicFile[analogIndex].GetAnalogPoint(timeBegin, timeEnd));
}
public List <DateTime> QueryAnalogTimes(int type, int index)
{
int analogIndex = type * 10000 + index;
if (dicFile.ContainsKey(analogIndex) == false)
{
AnalogFile fileAnalog = new AnalogFile(this, type, index);
dicFile.Add(analogIndex, fileAnalog);
}
return(dicFile[analogIndex].QueryAnalogTimes());
}
public AnalogRecordFile(AnalogFile analog)
{
this.fileAnalog = analog;
try
{
dataName = Path.Combine(analog.DataManager.StoreDir, analog.Type.ToString("X2") + "H-" + analog.Index.ToString("000") + ".dat");
fileStream = new FileStream(dataName, FileMode.OpenOrCreate, FileAccess.ReadWrite);
}
catch
{
fileStream = null;
}
}
public AnalogRecordFile(AnalogFile analog)
{
this.fileAnalog = analog;
try
{
dataName = Path.Combine(analog.DataManager.StoreDir, analog.Type.ToString("X2") + "H-" + analog.Index.ToString("000") + ".dat");
fileStream = new FileStream(dataName, FileMode.OpenOrCreate, FileAccess.ReadWrite);
}
catch
{
fileStream = null;
}
}
public AnalogRequestBlock(AnalogFile fileAnalog, DateTime timeBegin, DateTime timeEnd)
{
this.fileAnalog = fileAnalog;
if (timeBegin < timeEnd)
{
this.timeBegin = timeBegin;
this.timeEnd = timeEnd;
}
else
{
this.timeBegin = timeEnd;
this.timeEnd = timeBegin;
}
}
public AnalogIndexFile(AnalogFile analog)
{
this.fileAnalog = analog;
byte[] buffer = new byte[IndexCount * 32];
Array.Clear(buffer, 0, buffer.Length);
try
{
string indexName = Path.Combine(analog.DataManager.StoreDir, analog.Type.ToString("X2") + "H-" + analog.Index.ToString("000") + ".idx");
fileStream = new FileStream(indexName, FileMode.OpenOrCreate, FileAccess.ReadWrite);
if (fileStream.Length < buffer.Length)
{
fileStream.SetLength(buffer.Length); //默认建立16KB的文件
}
fileStream.Read(buffer, 0, buffer.Length);
}
catch
{
fileStream = null;
}
for (int i = 0; i < IndexCount; i++)
{
AnalogIndex indexRecord = new AnalogIndex(i, buffer, i * 32);
listIndex.Add(indexRecord);
}
listIndex.Sort();
//TODO:必须加入对重叠的Index处理
for (int i = 0; i < listIndex.Count; i++)
{
if (listIndex[i].IsValid == false)
{
break;
}
for (int j = i + 1; j < listIndex.Count; j++)
{
if (listIndex[j].IsValid && listIndex[j].ConflictWith(listIndex[i], this.fileAnalog.MaxFileSize))
{
for (int k = j; k < listIndex.Count; k++)
{
listIndex[k].FileIndex = 0; //设置为无效
}
break;
}
}
}
}
public AnalogRequestBlock(AnalogFile fileAnalog,DateTime timeBegin,DateTime timeEnd)
{
this.fileAnalog = fileAnalog;
if (timeBegin < timeEnd)
{
this.timeBegin = timeBegin;
this.timeEnd = timeEnd;
}
else
{
this.timeBegin = timeEnd;
this.timeEnd = timeBegin;
}
}
List<AnalogIndex> listIndex = new List<AnalogIndex>(); //按文件记录索引排序
#endregion Fields
#region Constructors
public AnalogIndexFile(AnalogFile analog)
{
this.fileAnalog = analog;
byte[] buffer = new byte[IndexCount * 32];
Array.Clear(buffer, 0, buffer.Length);
try
{
string indexName = Path.Combine(analog.DataManager.StoreDir, analog.Type.ToString("X2") + "H-" + analog.Index.ToString("000") + ".idx");
fileStream = new FileStream(indexName, FileMode.OpenOrCreate, FileAccess.ReadWrite);
if (fileStream.Length < buffer.Length)
{
fileStream.SetLength(buffer.Length); //默认建立16KB的文件
}
fileStream.Read(buffer, 0, buffer.Length);
}
catch
{
fileStream = null;
}
for (int i = 0; i < IndexCount; i++)
{
AnalogIndex indexRecord = new AnalogIndex(i, buffer, i * 32);
listIndex.Add(indexRecord);
}
listIndex.Sort();
//TODO:必须加入对重叠的Index处理
for (int i = 0; i < listIndex.Count; i++)
{
if (listIndex[i].IsValid == false) break;
for (int j = i + 1; j < listIndex.Count; j++)
{
if (listIndex[j].IsValid && listIndex[j].ConflictWith(listIndex[i], this.fileAnalog.MaxFileSize))
{
for (int k = j; k < listIndex.Count; k++)
{
listIndex[k].FileIndex = 0; //设置为无效
}
break;
}
}
}
}
public AnalogStoreBlock(int index, AnalogFile analogFile)
{
this.Index = index;
this.fileAanlog = analogFile;
this.IsNullBlock = false;
}
public AnalogStoreBlock(int index,AnalogFile analogFile)
{
this.Index = index;
this.fileAanlog = analogFile;
this.IsNullBlock = false;
}
public List<List<AnalogPoint>> GetAnalogPoint(int type, int index, DateTime timeBegin, DateTime timeEnd)
{
int analogIndex = type * 10000 + index;
if (dicFile.ContainsKey(analogIndex) == false)
{
AnalogFile fileAnalog = new AnalogFile(this, type, index);
dicFile.Add(analogIndex, fileAnalog);
}
return dicFile[analogIndex].GetAnalogPoint(timeBegin, timeEnd);
}
/// <summary>
/// 寻找现在已有的文件记录
/// </summary>
private void ProcAddData()
{
while (true)
{
DataUnit[] datas = null;
lock (((ICollection)queueData).SyncRoot)
{
datas= queueData.ToArray();
queueData.Clear();
}
if (datas != null && datas.Length > 0)
{
lock (dicFile)
{
for (int i = 0; i < datas.Length; i++)
{
int analogIndex = datas[i].Type * 10000 + datas[i].Index;
if (dicFile.ContainsKey(analogIndex) == false)
{
AnalogFile fileAnalog = new AnalogFile(this, datas[i].Type, datas[i].Index);
dicFile.Add(analogIndex, fileAnalog);
dicFile[analogIndex].AddAnalog(datas[i].Time, float.NaN, (byte)0x0f); //开始的第一个点加入无效数据
}
dicFile[analogIndex].AddAnalog(datas[i].Time, datas[i].Analog, datas[i].Digit);
}
}
}
else
{
dataReceivedEvent.WaitOne();
}
}
}
public List<DateTime> QueryAnalogTimes(int type, int index)
{
int analogIndex = type * 10000 + index;
if (dicFile.ContainsKey(analogIndex) == false)
{
AnalogFile fileAnalog = new AnalogFile(this, type, index);
dicFile.Add(analogIndex, fileAnalog);
}
return dicFile[analogIndex].QueryAnalogTimes();
}
