/// <summary>
/// Creates a new <see cref="XRecord"/> instance.
/// </summary>
/// <param name="owner">The record owner.</param>
/// <param name="value">The record value.</param>
/// <returns>The new instance of the <see cref="XRecord"/> class.</returns>
public static XRecord Create(XDatabase owner, string value)
{
return(new XRecord()
{
Id = Guid.NewGuid(),
Columns = owner.Columns,
Values = ImmutableArray.CreateRange(
Enumerable.Repeat(
value,
owner.Columns.Length).Select(c => XValue.Create(c))),
Owner = owner
});
}
private void Remove(XValue value)
{
if (value == null)
return;
value.PropertyChanged -= ObserveValue;
}
private void Add(XValue value)
{
if (value == null)
return;
value.PropertyChanged += ObserveValue;
}
/// <summary>
/// Creates a new <see cref="XDatabase"/> instance.
/// </summary>
/// <param name="name">The database name.</param>
/// <param name="fields">The fields collection.</param>
/// <param name="idColumnName">The Id column name.</param>
/// <returns>The new instance of the <see cref="XDatabase"/> class.</returns>
public static XDatabase FromFields(string name, IEnumerable <string[]> fields, string idColumnName = DefaultIdColumnName)
{
var db = XDatabase.Create(name, idColumnName);
var tempColumns = fields.FirstOrDefault().Select(c => XColumn.Create(db, c));
var columns = ImmutableArray.CreateRange <XColumn>(tempColumns);
if (columns.Length >= 1 && columns[0].Name == idColumnName)
{
// Use existing record Id.
var tempRecords = fields
.Skip(1)
.Select(v =>
XRecord.Create(
db,
v.FirstOrDefault(),
columns,
ImmutableArray.CreateRange <XValue>(v.Select(c => XValue.Create(c)))));
var records = ImmutableArray.CreateRange <XRecord>(tempRecords);
db.Columns = columns;
db.Records = records;
}
else
{
// Create records with new Id.
var tempRecords = fields
.Skip(1)
.Select(v =>
XRecord.Create(
db,
columns,
ImmutableArray.CreateRange <XValue>(v.Select(c => XValue.Create(c)))));
var records = ImmutableArray.CreateRange <XRecord>(tempRecords);
db.Columns = columns;
db.Records = records;
}
return(db);
}
public void Inherits_From_ObservableObject()
{
var target = new XValue();
Assert.True(target is ObservableObject);
}