public void UsingTheEntityApi()
{
ActaStorage storage = new ActaMemoryStorage();
ActaLowLevelApi lowLevel = new ActaDb(storage);
ActaEntityApi db = new ActaEntityLayer(lowLevel);
// create a new entity
var person = new Person {
Name = "Marcel", DOB = new DateTime(1972, 4, 30)
};
var guid = db.Store(person);
// verify that the GUID is valid
Assert.AreNotEqual(Guid.Empty, guid);
// update an entity
person.Name = "Marcel Popescu";
db.Store(person);
// retrieve the entity as a list of key/value pairs
var pairs = db.Fetch(guid).ToList();
Assert.AreEqual(Global.TYPE_KEY, pairs[0].Name);
Assert.AreEqual("Acta.Tests.Helper.Person", pairs[0].Value);
Assert.AreEqual("ID", pairs[1].Name);
Assert.AreEqual("NAME", pairs[2].Name);
Assert.AreEqual("Marcel Popescu", pairs[2].Value);
Assert.AreEqual("DOB", pairs[3].Name);
Assert.AreEqual(new DateTime(1972, 4, 30), pairs[3].Value);
// retrieve the entity as an object
var person2 = db.Fetch <Person>(guid);
Assert.AreEqual(person.Name, person2.Name);
Assert.AreEqual(person.DOB, person2.DOB);
}
public void UsingTheLowLevelApi()
{
ActaStorage storage = new ActaMemoryStorage();
ActaLowLevelApi db = new ActaDb(storage);
// create a new entity, writing each property separately
var guid1 = Guid.NewGuid();
db.Write(guid1, Global.TYPE_KEY, "Person"); // convention
db.Write(guid1, "Name", "Marcel Popescu");
db.Write(guid1, "DOB", new DateTime(1972, 4, 30));
// create a new entity, writing all properties at the same time
var guid2 = Guid.NewGuid();
db.Write(guid2,
new ActaKeyValuePair(Global.TYPE_KEY, "Person"),
new ActaKeyValuePair("Name", "Iolanda Popescu"),
new ActaKeyValuePair("DOB", new DateTime(1974, 8, 31)));
// change the names
db.Write(guid1, "Name", "Marcel Doru Popescu");
db.Write(guid2, "Name", "Dora Iolanda Popescu");
// retrieve the guids of entities of type Person
var guids = db.GetIds(Global.TYPE_KEY, "Person").ToArray();
// verify that the guids returned are correct
CollectionAssert.AreEquivalent(new[] { guid1, guid2 }, guids);
// retrieve and verify the properties of the entities
Assert.AreEqual("Marcel Doru Popescu", (string)db.Read(guid1, "Name"));
Assert.AreEqual(new DateTime(1972, 4, 30), db.Read(guid1, "DOB"));
Assert.AreEqual("Dora Iolanda Popescu", db.Read <string>(guid2, "Name"));
Assert.AreEqual(new DateTime(1974, 8, 31), db.Read(guid2, "DOB"));
}
