public object CreateManager <TRecord, TKeyCollection>(Path path = null, string ownerName = null, OpenMode?openMode = null, int recycleCount = 1000, int temporaryBufferId = 0)
where TRecord : Record <TRecord>
where TKeyCollection : KeyCollection <TRecord>, new()
{
if (path == null)
{
var recordInfo = Resource.GetRecordInfo(typeof(TRecord));
if (recordInfo.PathType == PathType.Relative &&
this.DefaultRelativeDirectory != null)
{
path = Path.Relative(relativeDirectory: this.DefaultRelativeDirectory);
}
else if (recordInfo.PathType == PathType.Uri &&
(this.DefaultUriHost != null || this.DefaultUriUser != null || this.DefaultUriDbName != null || this.DefaultUriPassword != null || this.DefaultUriPrompt != null))
{
path = Path.Uri(
uriHost: this.DefaultUriHost,
uriUser: this.DefaultUriUser,
uriDbName: this.DefaultUriDbName,
uriPassword: this.DefaultUriPassword,
uriPrompt: this.DefaultUriPrompt);
}
}
var temporaryBuffer = _temporaryBufferDictionary.ContainsKey(temporaryBufferId) ? _temporaryBufferDictionary[temporaryBufferId] : Resource.GetBuffer();
var result = new RecordManager <TRecord, TKeyCollection>(this.Operator, path, ownerName, openMode, recycleCount, temporaryBuffer);
this.AddTransactionalObject(result);
return(result);
}
public RecordOperator(NativeOperator nativeOperator, Path path, string ownerName, OpenMode?openMode, int reusableCapacity, byte[] temporaryBuffer = null)
{
var recordType = typeof(TRecord);
var recordConstructor = recordType.GetConstructor(new Type[] { typeof(byte[]) });
if (recordConstructor == null)
{
throw new InvalidDefinitionException();
}
_recordConstructor = Resource.GetRecordConstructor(typeof(TRecord));
this.RecordInfo = Resource.GetRecordInfo(recordType);
if (temporaryBuffer != null && temporaryBuffer.Length < this.RecordInfo.DataBufferCapacity)
{
throw new ArgumentException();
}
this.PrimaryKeyNumber = this.RecordInfo.PrimaryKeyNumber;
_nativeOperator = nativeOperator;
this.IsClosable = true;
this.HasVariableFields = this.RecordInfo.VariableOption != RecordVariableOption.NotVariable && this.RecordInfo.VariableRangeFields.Count() != 0;
this.Path = Path.Merge(path, this.RecordInfo);
this.OwnerName = ownerName;
this.OpenMode = openMode;
this.TemporaryBuffer = temporaryBuffer ?? new byte[ushort.MaxValue];
_reusableCapacity = reusableCapacity;
_reusableRecords = new Queue <TRecord>(_reusableCapacity);
}
protected Record(byte[] dataBuffer)
{
if (dataBuffer == null)
{
throw new ArgumentNullException();
}
_info = Resource.GetRecordInfo(typeof(TRecord));
if (dataBuffer.Length != _info.DataBufferCapacity)
{
throw new ArgumentException();
}
this.DataBuffer = dataBuffer;
this.RecordState = RecordState.Detached;
this.RollbackedState = RecordState.Detached;
this.IsManagedMember = false;
this.IsRollbackedMember = false;
}
protected Record()
{
_info = Resource.GetRecordInfo(typeof(TRecord));
this.DataBuffer = new byte[_info.DataBufferCapacity];
if (_info.DefaultByte != default(byte))
{
for (var i = 0; i < this.DataBuffer.Length; i++)
{
this.DataBuffer[i] = _info.DefaultByte;
}
}
foreach (var fieldInfo in _info.Fields)
{
fieldInfo.SetDefaultValue(
this.DataBuffer,
fieldInfo.Position,
fieldInfo.Length,
fieldInfo.Parameter);
}
this.RecordState = RecordState.Detached;
this.RollbackedState = RecordState.Detached;
this.IsManagedMember = false;
this.IsRollbackedMember = false;
}
public KeyCollection(Type recordType)
{
_keys = Resource.GetRecordInfo(recordType).Keys.ToArray();
}
public RecordOperator(string applicationId, ushort threadId, Path path = null, string ownerName = null, OpenMode?openMode = null, string dllPath = null, IEnumerable <string> dependencyPaths = null, int reusableCapacity = 1000, byte[] temporaryBuffer = null)
: this(new NativeOperator(true, dllPath ?? Resource.GetRecordInfo(typeof(TRecord)).DllPath, dependencyPaths ?? Resource.GetRecordInfo(typeof(TRecord)).DependencyPaths), path, ownerName, openMode, reusableCapacity, temporaryBuffer)
{
_nativeOperator.ClientId.ApplicationId = applicationId;
_nativeOperator.ClientId.ThreadId = threadId;
}
public RecordOperator(Path path = null, string ownerName = null, OpenMode?openMode = null, string dllPath = null, IEnumerable <string> dependencyPaths = null, int reusableCapacity = 1000, byte[] temporaryBuffer = null)
: this(new NativeOperator(false, dllPath ?? Resource.GetRecordInfo(typeof(TRecord)).DllPath, dependencyPaths ?? Resource.GetRecordInfo(typeof(TRecord)).DependencyPaths), path, ownerName, openMode, reusableCapacity, temporaryBuffer)
{
}
KeyInfo GetKey()
{
if (this.ApiFilter != null)
{
var keys = Resource.GetRecordInfo(typeof(TRecord)).Keys;
var maxKeySegmentCount = keys.Max(k => k.Segments.Count);
IEnumerable <KeyInfo> enabledKeys = keys, remainedKeys = new KeyInfo[0];
var enabledKeyList = new List <KeyInfo>();
var priorityList = new List <uint>();
var fields = this.ApiFilter
.SelectMany(filter => filter.GetFields().Select(field => new {
State = filter.State,
Field = field
}))
.GroupBy(f => f.Field)
.Select(g => new {
Field = g.Key,
Priority = GetPriority(g.Select(f => f.State))
});
for (var i = 0; i < maxKeySegmentCount; i++)
{
uint priority = 0;
foreach (var key in enabledKeys)
{
var field = fields.SingleOrDefault(f => f.Field == key.Segments[i].Field);
if (field != null)
{
if (field.Priority == priority)
{
enabledKeyList.Add(key);
}
else if (field.Priority > priority)
{
priority = field.Priority;
enabledKeyList.Clear();
enabledKeyList.Add(key);
}
}
}
if (enabledKeyList.Count == 0)
{
if (remainedKeys.Count() == 0)
{
remainedKeys = enabledKeys.Where(k => i == k.Segments.Count - 1).ToArray();
}
enabledKeys = enabledKeys.Where(k => i != k.Segments.Count - 1).ToArray();
}
else if (enabledKeyList.Count == 1)
{
return(enabledKeyList[0]);
}
else if (enabledKeyList.Count > 1)
{
enabledKeys = enabledKeyList.Where(k => i != k.Segments.Count - 1).ToArray();
remainedKeys = enabledKeyList.Where(k => i == k.Segments.Count - 1).ToArray();
}
enabledKeyList.Clear();
priorityList.Add(priority);
}
if (priorityList.Any(p => p != 0))
{
return(remainedKeys.FirstOrDefault() ?? enabledKeys.FirstOrDefault());
}
else
{
return(null);
}
}
return(null);
}
