public IndexConfig(IConfig config, IndexFlags flags, string identifier, ITableConfig table, IEnumerable <IColumnConfig> columns)
: this(config)
{
this.Flags = flags;
this.Identifier = identifier;
this.Table = table;
this.Columns = columns;
}
public DataIndexAttribute(IndexFlags type, params string[] memberNames)
{
#region Preconditions
if (memberNames.Length == 0)
throw new ArgumentException("May not be empty", nameof(memberNames));
#endregion
Type = type;
Name = IndexHelper.GetName(memberNames);
MemberNames = memberNames;
}
/// <summary>
/// インデックス定義を生成する
/// </summary>
/// <param name="flags">インデックスに設定するフラグ</param>
/// <param name="getters"><see cref="Columns"/>のプロパティを呼び出す処理を指定する</param>
/// <returns>インデックス定義</returns>
protected virtual IIndexDef MakeIndex(IndexFlags flags, params Func <object>[] getters)
{
Mediator.Table = this;
Mediator.TableName = this.Name;
try {
var colDefs = new IColumnDef[getters.Length];
for (int i = 0; i < getters.Length; i++)
{
colDefs[i] = Mediator.GetFrom(getters[i]);
}
return(new IndexDef(flags, colDefs));
} finally {
Mediator.Table = null;
Mediator.TableName = null;
}
}
/// <summary>
/// Converts the <see cref="CreateIndexGrbit"/> enumeration to <see cref="IndexFlags"/>.
/// </summary>
/// <param name="grbitIndex">Index of the grbit.</param>
/// <returns>The <see cref="IndexFlags"/> equivalent to <paramref name="grbitIndex"/>.</returns>
private static IndexFlags IndexFlagsFromGrbits(CreateIndexGrbit grbitIndex)
{
IndexFlags flags = IndexFlags.None;
if ((grbitIndex & CreateIndexGrbit.IndexUnique) != 0)
{
flags = flags | IndexFlags.Unique;
}
if ((grbitIndex & CreateIndexGrbit.IndexPrimary) != 0)
{
flags = flags | IndexFlags.Primary;
}
if ((grbitIndex & CreateIndexGrbit.IndexDisallowNull) != 0)
{
flags = flags | IndexFlags.DisallowNull;
}
if ((grbitIndex & CreateIndexGrbit.IndexIgnoreNull) != 0)
{
flags = flags | IndexFlags.IgnoreNull;
}
if ((grbitIndex & CreateIndexGrbit.IndexIgnoreAnyNull) != 0)
{
flags = flags | IndexFlags.IgnoreAnyNull;
}
if ((grbitIndex & CreateIndexGrbit.IndexSortNullsHigh) != 0)
{
flags = flags | IndexFlags.SortNullsHigh;
}
if ((grbitIndex & VistaGrbits.IndexDisallowTruncation) != 0)
{
flags = flags | IndexFlags.DisallowTruncation;
}
else
{
flags = flags | IndexFlags.AllowTruncation;
}
return(flags);
}
/// <summary>
/// コンストラクタ、全要素を指定して初期化する、インデックス名は自動生成される
/// </summary>
/// <param name="flags">インデックスのオプションフラグ</param>
/// <param name="columns">インデックスを構成する列定義の配列</param>
internal IndexDef(IndexFlags flags, params IColumnDef[] columns) : this($"idx_{Mediator.TableName}_{string.Join("_", from c in columns select c.Name)}", flags, columns)
{
}
/// <summary>
/// コンストラクタ、全要素を指定して初期化する
/// </summary>
/// <param name="name">インデックス名</param>
/// <param name="flags">インデックスのオプションフラグ</param>
/// <param name="columns">インデックスを構成する列定義の配列</param>
public IndexDef(string name, IndexFlags flags, params IColumnDef[] columns)
{
this.Name = name;
this.Flags = flags;
this.Columns = columns;
}
public IndexInfo(IndexFlags flags, IList<MemberDescriptor> members)
{
Name = GetIndexName(members);
Flags = flags;
Members = members;
}
/// <summary>
/// Converts the <see cref="CreateIndexGrbit"/> enumeration to <see cref="IndexFlags"/>.
/// </summary>
/// <param name="grbitIndex">Index of the grbit.</param>
/// <returns>The <see cref="IndexFlags"/> equivalent to <paramref name="grbitIndex"/>.</returns>
private static IndexFlags IndexFlagsFromGrbits(CreateIndexGrbit grbitIndex)
{
IndexFlags flags = IndexFlags.None;
if ((grbitIndex & CreateIndexGrbit.IndexUnique) != 0)
{
flags = flags | IndexFlags.Unique;
}
if ((grbitIndex & CreateIndexGrbit.IndexPrimary) != 0)
{
flags = flags | IndexFlags.Primary;
}
if ((grbitIndex & CreateIndexGrbit.IndexDisallowNull) != 0)
{
flags = flags | IndexFlags.DisallowNull;
}
if ((grbitIndex & CreateIndexGrbit.IndexIgnoreNull) != 0)
{
flags = flags | IndexFlags.IgnoreNull;
}
if ((grbitIndex & CreateIndexGrbit.IndexIgnoreAnyNull) != 0)
{
flags = flags | IndexFlags.IgnoreAnyNull;
}
if ((grbitIndex & CreateIndexGrbit.IndexSortNullsHigh) != 0)
{
flags = flags | IndexFlags.SortNullsHigh;
}
if ((grbitIndex & VistaGrbits.IndexDisallowTruncation) != 0)
{
flags = flags | IndexFlags.DisallowTruncation;
}
else
{
flags = flags | IndexFlags.AllowTruncation;
}
return flags;
}
