private void SampleCreateThreeEntitiesSearchPropKeyName()
{
EtagairEngine engine = new EtagairEngine();
// the path must exists
string dbPath = @".\Data\";
if (!engine.Init(dbPath))
{
Console.WriteLine("Db initialization Failed.");
return;
}
}
private void CreateEngine()
{
EtagairEngine engine = new EtagairEngine();
// the path must exists, location where to put the database file
string dbPath = @".\Data\";
// create the database or reuse the existing one
if (!engine.Init(dbPath))
{
Console.WriteLine("Db initialization Failed.");
return;
}
// the database is created or reused and opened, ready to the execution
Console.WriteLine("Db initialized with success.");
}
/// <summary>
/// Very basic sample: create a folder and an entity with properties (key-value).
///
/// F:computers\
/// E:
/// "Name"= "Toshiba Satellite Core I7"
/// "Trademark"= "Toshiba"
///
/// </summary>
private void SampleBasicCreateEntity()
{
EtagairEngine engine = new EtagairEngine();
// the path must exists
string dbPath = @".\Data\";
if (!engine.Init(dbPath))
{
Console.WriteLine("Db initialization Failed.");
return;
}
// create a folder, under the root
Folder foldComputers = engine.Editor.CreateFolder(null, "computers");
// create an entity, under the computers folder
Entity toshibaCoreI7 = engine.Editor.CreateEntity(foldComputers);
// Add 2 properties to the entity (key - value)
engine.Editor.CreateProperty(toshibaCoreI7, "Name", "Toshiba Satellite Core I7");
engine.Editor.CreateProperty(toshibaCoreI7, "Trademark", "Toshiba");
}
/// <summary>
/// Create an engine.
/// Removes previous database files.
/// </summary>
/// <returns></returns>
public EtagairEngine CreateEngine()
{
Console.WriteLine("Starts the Engine...");
EtagairEngine engine = new EtagairEngine();
// delete the previous instance of the db
Console.WriteLine("Remove the previous data files.");
if (File.Exists(_dbPath + "etagair.db"))
{
File.Delete(_dbPath + "etagair.db");
}
// create the database or reuse the existing one
if (!engine.Init(_dbPath))
{
Console.WriteLine("Db initialization Failed.\n");
return(null);
}
// the database is created or reused and opened, ready to the execution
Console.WriteLine("Db initialized with success.\n");
return(engine);
}