//******************************************************************************************************

// DataColumn.cpp - Gbtc

//

// Copyright © 2019, Grid Protection Alliance. All Rights Reserved.

//

// Licensed to the Grid Protection Alliance (GPA) under one or more contributor license agreements. See

// the NOTICE file distributed with this work for additional information regarding copyright ownership.

// The GPA licenses this file to you under the MIT License (MIT), the "License"; you may not use this

// file except in compliance with the License. You may obtain a copy of the License at:

//

// http://opensource.org/licenses/MIT

//

// Unless agreed to in writing, the subject software distributed under the License is distributed on an

// "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. Refer to the

// License for the specific language governing permissions and limitations.

//

// Code Modification History:

// ----------------------------------------------------------------------------------------------------

// 11/03/2018 - J. Ritchie Carroll

// Generated original version of source code.

//

//******************************************************************************************************

#include "DataColumn.h"

#include "DataTable.h"

#include "DataSet.h"

using namespace std;

using namespace sttp::data;

const char* sttp::data::DataTypeAcronym[] =

{

"String",

"Boolean",

"DateTime",

"Single",

"Double",

"Decimal",

"Guid",

"Int8",

"Int16",

"Int32",

"Int64",

"UInt8",

"UInt16",

"UInt32",

"UInt64"

};

const char* sttp::data::EnumName(DataType type)

{

return DataTypeAcronym[static_cast<int32_t>(type)];

}

const DataColumnPtr DataColumn::NullPtr = nullptr;

DataColumn::DataColumn(DataTablePtr parent, string name, const DataType type, string expression) :

m_parent(std::move(parent)),

m_name(std::move(name)),

m_type(type),

m_expression(std::move(expression)),

m_computed(!m_expression.empty()),

m_index(-1)

{

if (m_parent == nullptr)

throw DataSetException("DataTable parent is null");

}

DataColumn::~DataColumn() = default;

const DataTablePtr& DataColumn::Parent() const

{

return m_parent;

}

const string& DataColumn::Name() const

{

return m_name;

}

DataType DataColumn::Type() const

{

return m_type;

}

const std::string& DataColumn::Expression() const

{

return m_expression;

}

bool DataColumn::Computed() const

{

return m_computed;

}

int32_t DataColumn::Index() const

{

return m_index;

}