/// <summary>
/// Check table contains this record or not
/// </summary>
/// <param name="tableName"></param>
/// <param name="record"></param>
/// <returns></returns>
public bool Contains(string tableName, object record)
{
//
// Initialize result
bool result = false;
//
// First, try to extract main information of record
RecordSnapshot recordSnapshot = this.GetRecordSnapshot(tableName, record);
TableSnapshot tableSnapshot = this._listTableSnapshot.FirstOrDefault(x => x.TableName.Equals(tableName));
if (tableSnapshot != null)
{
result = tableSnapshot.Contains(recordSnapshot);
if (result == false)
{
result = tableSnapshot.IsDuplicatedUniqueColumn(recordSnapshot);
}
}
//
// Return result
return(result);
}
/// <summary>
/// Add new record snapshot to table
/// </summary>
/// <param name="record"></param>
public void Add(RecordSnapshot record)
{
if (this.Contains(record) == false)
{
this._listRecordSnapshot.Add(record);
}
}
/// <summary>
/// Check two record snapshot duplicated unique column or grouped unique column or not
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public bool IsDuplicatedUniqueColumn(object obj)
{
//
// Initialize result
bool result = false;
//
// Cast type
if (obj is RecordSnapshot)
{
RecordSnapshot recordSnapshot = obj as RecordSnapshot;
if (recordSnapshot.GetNumberOfGroupUniqueColumn() == this.GetNumberOfGroupUniqueColumn() && this.GetNumberOfGroupUniqueColumn() != 0)
{
//
// If all group unique column are equal, return true (mean two record have duplicated unique field)
// Else return false
result = true;
foreach (GroupUniqueColumnSnapshot groupUniqueColumnSnapshot in recordSnapshot._listGroupUniqueColumnSnapshot)
{
if (this._listGroupUniqueColumnSnapshot.Any(x => x.Equals(groupUniqueColumnSnapshot)) == false)
{
result = false;
break;
}
}
}
}
//
// Return result
return(result);
}
/// <summary>
/// Compare two record snapshot base on primary key name and value
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public override bool Equals(object obj)
{
//
// Initialize result
bool result = false;
//
// Check
if (obj is RecordSnapshot)
{
result = true;
RecordSnapshot recordSnapshot = (RecordSnapshot)obj;
foreach (PrimaryKeySnapshot pkSnapshot in recordSnapshot._listPrimaryKeySnapshot)
{
if (this._listPrimaryKeySnapshot.Any(x => x.Equals(pkSnapshot)) == false)
{
result = false;
break;
}
}
}
//
// Return result
return(result);
}
/// <summary>
/// Get tablesnapshot by name
/// </summary>
/// <param name="tableName"></param>
/// <returns></returns>
public TableSnapshot GetTableSnapshot(string tableName)
{
//
// Initialize result
TableSnapshot result = new TableSnapshot(tableName);
//
// Get list of primary keys
// For each primary key
// Try to get it's properties in entity
// Then add to hasTable
DbSet dbSet = this._mapDatabase.GetTable(tableName);
dbSet.Load();
List <string> listPrimaryKeys = this._mapDatabase.GetPrimaryKeyName(tableName);
List <GroupUniqueColumnInformation> listGroupUniqueInformation = this._mapDatabase.GetGroupUniqueColumnInformation(tableName);
TypeAccessor typeAccessor = this._mapDatabase.GetTableTypeAccessor(tableName);
//
// Foreach record in database
// Try to get RecordSnapshot
foreach (object record in dbSet)
{
RecordSnapshot recordSnapshot = new RecordSnapshot();
//
// Get primary key value
foreach (string primaryKey in listPrimaryKeys)
{
PrimaryKeySnapshot primaryKeySnapshot = new PrimaryKeySnapshot(primaryKey, typeAccessor[record, primaryKey]);
recordSnapshot.Add(primaryKeySnapshot);
}
//
// Get unqiue column value
foreach (GroupUniqueColumnInformation groupUnique in listGroupUniqueInformation)
{
GroupUniqueColumnSnapshot groupUniqueSnapshot = new GroupUniqueColumnSnapshot(groupUnique.ConstraintName);
foreach (UniqueColumnInformation uniqueColumnInfo in groupUnique.ListUniqueColumn)
{
UniqueColumnSnapshot uniqueColumnSnapshot = new UniqueColumnSnapshot(uniqueColumnInfo.ColumnName, typeAccessor[record, uniqueColumnInfo.ColumnName]);
groupUniqueSnapshot.Add(uniqueColumnSnapshot);
}
recordSnapshot.Add(groupUniqueSnapshot);
}
result.Add(recordSnapshot);
}
//
// Return result
return(result);
}
/// <summary>
/// Add new record to table snapshot
/// </summary>
/// <param name="tableName"></param>
/// <param name="record"></param>
public void Add(string tableName, object record)
{
//
// Check
// Are there any table in this snapshot contains tableName
// If not, just continue
if (this._tableTypeReflection.ContainsKey(tableName) == false)
{
return;
}
//
// Firt, try to get record snapshot from original record
RecordSnapshot recordSnapshot = this.GetRecordSnapshot(tableName, record);
if (recordSnapshot == null)
{
return;
}
//
// Then try to add to tableSnapshot
TableSnapshot tableSnapshot = this._listTableSnapshot.FirstOrDefault(x => x.TableName.Equals(tableName));
if (tableSnapshot == null)
{
tableSnapshot = new TableSnapshot(tableName);
tableSnapshot.Add(recordSnapshot);
this._listTableSnapshot.Add(tableSnapshot);
}
else
{
tableSnapshot.Add(recordSnapshot);
}
}
/// <summary>
/// Check table contains record or not
/// </summary>
/// <param name="record"></param>
/// <returns></returns>
public bool Contains(RecordSnapshot record)
{
return(this._listRecordSnapshot.Any(x => x.Equals(record)));
}
/// <summary>
/// Check is duplicated unique field
/// </summary>
/// <param name="record"></param>
/// <returns></returns>
public bool IsDuplicatedUniqueColumn(RecordSnapshot record)
{
return(this._listRecordSnapshot.Any(x => x.IsDuplicatedUniqueColumn(record)));
}
/// <summary>
/// Get tablesnapshot by name
/// </summary>
/// <param name="tableName"></param>
/// <returns></returns>
public TableSnapshot GetTableSnapshot(string tableName)
{
//
// Initialize result
TableSnapshot result = new TableSnapshot(tableName);
//
// Get list of primary keys
// For each primary key
// Try to get it's properties in entity
// Then add to hasTable
DbSet dbSet = this._mapDatabase.GetTable(tableName);
dbSet.Load();
List<string> listPrimaryKeys = this._mapDatabase.GetPrimaryKeyName(tableName);
List<GroupUniqueColumnInformation> listGroupUniqueInformation = this._mapDatabase.GetGroupUniqueColumnInformation(tableName);
TypeAccessor typeAccessor = this._mapDatabase.GetTableTypeAccessor(tableName);
//
// Foreach record in database
// Try to get RecordSnapshot
foreach (object record in dbSet)
{
RecordSnapshot recordSnapshot = new RecordSnapshot();
//
// Get primary key value
foreach (string primaryKey in listPrimaryKeys)
{
PrimaryKeySnapshot primaryKeySnapshot = new PrimaryKeySnapshot(primaryKey, typeAccessor[record, primaryKey]);
recordSnapshot.Add(primaryKeySnapshot);
}
//
// Get unqiue column value
foreach (GroupUniqueColumnInformation groupUnique in listGroupUniqueInformation)
{
GroupUniqueColumnSnapshot groupUniqueSnapshot = new GroupUniqueColumnSnapshot(groupUnique.ConstraintName);
foreach (UniqueColumnInformation uniqueColumnInfo in groupUnique.ListUniqueColumn)
{
UniqueColumnSnapshot uniqueColumnSnapshot = new UniqueColumnSnapshot(uniqueColumnInfo.ColumnName, typeAccessor[record, uniqueColumnInfo.ColumnName]);
groupUniqueSnapshot.Add(uniqueColumnSnapshot);
}
recordSnapshot.Add(groupUniqueSnapshot);
}
result.Add(recordSnapshot);
}
//
// Return result
return result;
}
/// <summary>
/// Check is duplicated unique field
/// </summary>
/// <param name="record"></param>
/// <returns></returns>
public bool IsDuplicatedUniqueColumn(RecordSnapshot record)
{
return this._listRecordSnapshot.Any(x => x.IsDuplicatedUniqueColumn(record));
}
/// <summary>
/// Check table contains record or not
/// </summary>
/// <param name="record"></param>
/// <returns></returns>
public bool Contains(RecordSnapshot record)
{
return this._listRecordSnapshot.Any(x => x.Equals(record));
}
/// <summary>
/// Add new record snapshot to table
/// </summary>
/// <param name="record"></param>
public void Add(RecordSnapshot record)
{
if (this.Contains(record) == false)
{
this._listRecordSnapshot.Add(record);
}
}
