public static string BuildCrudKey(EntityStatus status, string entityName, EntityMemberMask mask)
{
var maskStr = status == EntityStatus.Modified ? mask.AsHexString() : "(nomask)";
var key = $"CRUD/{entityName}/{status}/Mask:{maskStr}";
return(key);
}
public EntityRecord(EntityInfo entityInfo, EntityStatus status)
{
_status = status;
EntityInfo = entityInfo;
InitValuesStorage();
MaskMembersRead = new EntityMemberMask(this.EntityInfo.PersistentValuesCount);
}
public UserRecordPermission(AccessType accessTypes, EntityMemberMask memberMask = null)
{
Peek = new OperationPermission(AccessType.Peek, accessTypes.IsSet(AccessType.Peek), memberMask);
ReadStrict = new OperationPermission(AccessType.ReadStrict, accessTypes.IsSet(AccessType.ReadStrict), memberMask);
UpdateStrict = new OperationPermission(AccessType.UpdateStrict, accessTypes.IsSet(AccessType.UpdateStrict), memberMask);
AccessTypes = accessTypes;
}
//Creates a clone from a copy
public EntityRecord(EntityRecord copyFrom)
{
this.EntityInfo = copyFrom.EntityInfo;
_primaryKey = copyFrom.PrimaryKey;
this._status = EntityStatus.Loaded;
var valuesCount = EntityInfo.PersistentValuesCount;
this.ValuesOriginal = new object[valuesCount];
this.ValuesModified = new object[valuesCount];
Array.Copy(copyFrom.ValuesOriginal, ValuesOriginal, valuesCount);
this.ValuesTransient = new object[EntityInfo.TransientValuesCount];
MaskMembersRead = new EntityMemberMask(valuesCount);
}
private bool _initialized; //a flag to avoid multiple initialization
public void Init(EntityModel model)
{
if (_initialized)
{
return;
}
_initialized = true;
var entInfo = model.GetEntityInfo(EntityType);
Util.Check(entInfo != null, "Entity {0} is not part of entity model.", EntityType);
if (!string.IsNullOrWhiteSpace(Properties))
{
MemberMask = EntityMemberMask.Create(entInfo, Properties);
}
}
public OperationPermission(AccessType operation, bool allow, EntityMemberMask mask = null)
{
Util.Check((operation | AllowedOperations) == AllowedOperations,
"Invalid operation value - only Peek, ReadStrict and UpdateStrict allowed.");
Operation = AllowedOperations & operation;
Mask = mask;
if (!allow)
{
Status = PermissionStatus.Denied;
}
else if (Mask == null)
{
Status = PermissionStatus.AllowAll;
}
else
{
Status = PermissionStatus.AllowMasked;
}
}
public static UserRecordPermission Create(EntityInfo entity, string properties, AccessType accessType)
{
if (string.IsNullOrWhiteSpace(properties))
{
if (accessType.IsSet(AccessType.Update))
{
return(UserRecordPermission.AllowAll);
}
if (accessType.IsSet(AccessType.ReadStrict))
{
return(UserRecordPermission.AllowReadAll);
}
if (accessType.IsSet(AccessType.Peek))
{
return(UserRecordPermission.AllowPeekAll);
}
return(UserRecordPermission.AllowNone);
}
var mask = EntityMemberMask.Create(entity, properties);
return(new UserRecordPermission(accessType, mask));
}
internal void Merge(OperationPermission other)
{
Util.Check(this.Operation == other.Operation, "Operation must match for merge.");
switch (Status)
{
case PermissionStatus.AllowAll: return;
case PermissionStatus.Denied:
this.Status = other.Status;
this.Mask = other.Mask;
return;
case PermissionStatus.AllowMasked:
switch (other.Status)
{
case PermissionStatus.Denied: return;
case PermissionStatus.AllowAll: this.Status = PermissionStatus.AllowAll; return;
case PermissionStatus.AllowMasked: this.Mask.Or(other.Mask); return;
}
break;
}
} //method
public UserEntityTypePermission(AccessType accessTypes, EntityMemberMask memberMask = null)
: base(accessTypes, memberMask)
{
}
public IEntityRecordContainer SelectByPrimaryKey(EntityInfo entity, object[] keyValues,
LockType lockType = LockType.None, EntityMemberMask mask = null)
{
var cmd = LinqCommandFactory.CreateSelectByPrimaryKey(this, entity.PrimaryKey, lockType, keyValues);
var list = (IList)ExecuteLinqCommand(cmd);
if (list.Count == 0)
{
return(null);
}
return((IEntityRecordContainer)list[0]);
}
