public void TestUpdateVsReplace()
{
var collection = GetTestCollection <BsonDocument>();
BulkWriteContext context = new BulkWriteContext();
Dictionary <long, Role> Roles = new Dictionary <long, Role>();
for (int i = 0; i < 100; i++)
{
var role = new Role {
RoleID = i, RoleName = i.ToString()
};
for (int itemIndex = 0; itemIndex < 50; itemIndex++)
{
role.Items.Add(itemIndex, new Item {
ItemID = itemIndex, ItemUID = itemIndex
});
}
role.ClearDirty();
Roles.Add(i, role);
context.Insert((BsonDocument)role);
}
context.Execute(collection);
context.Clear();
Stopwatch watch = new Stopwatch();
List <ReplaceOneModel <BsonDocument> > replaces = new List <ReplaceOneModel <BsonDocument> >();
watch.Start();
foreach (var pair in Roles)
{
replaces.Add(new ReplaceOneModel <BsonDocument>(new BsonDocument {
{ "_id", pair.Key }
}, (BsonDocument)pair.Value));
}
collection.BulkWrite(replaces);
watch.Stop();
var time1 = watch.ElapsedMilliseconds;
watch.Reset();
for (int i = 0; i < 100; i++)
{
Roles[i].RoleName += i;
for (int itemIndex = 0; itemIndex < 10; itemIndex++)
{
Roles[i].Items[itemIndex].ItemID += 1;
}
Roles[i].Items.Add(51, new Item {
ItemID = 51, ItemUID = 51
});
}
UpdateContext update = new UpdateContext();
watch.Start();
foreach (var pair in Roles)
{
update.Clear();
pair.Value.Update(update);
context.Update(new BsonDocument {
{ "_id", pair.Key }
}, update.Build());
}
context.Execute(collection);
context.Clear();
watch.Stop();
var time2 = watch.ElapsedMilliseconds;
Assert.IsTrue(time1 > time2);
}
public void TestBulkWriteRoles()
{
var collection = GetTestCollection <BsonDocument>();
Dictionary <long, Role> Roles = new Dictionary <long, Role>();
for (int i = 0; i < 100; i++)
{
var role = new Role {
RoleID = i, RoleName = i.ToString(), Inserted = true
};
for (int itemIndex = 0; itemIndex < 50; itemIndex++)
{
role.Items.Add(itemIndex, new Item {
ItemID = itemIndex, ItemUID = itemIndex
});
}
Roles.Add(i, role);
}
UpdateContext update = new UpdateContext();
BulkWriteContext context = new BulkWriteContext();
foreach (var pair in Roles)
{
if (pair.Value.Inserted)
{
context.Insert((BsonDocument)pair.Value);
}
else
{
update.Clear();
pair.Value.Update(update);
context.Update(new BsonDocument {
{ "_id", pair.Key }
}, update.Build());
}
pair.Value.ClearDirty();
pair.Value.Inserted = false;
}
context.Execute(collection);
update.Clear();
context.Clear();
for (int i = 0; i < 100; i++)
{
Roles[i].RoleName += i;
Roles[i].Items.Add(51, new Item {
ItemID = 51, ItemUID = 51
});
}
Roles.Add(100, new Role {
RoleID = 100, Inserted = true
});
foreach (var pair in Roles)
{
if (pair.Value.Inserted)
{
context.Insert((BsonDocument)pair.Value);
}
else
{
update.Clear();
pair.Value.Update(update);
context.Update(new BsonDocument {
{ "_id", pair.Key }
}, update.Build());
}
pair.Value.ClearDirty();
pair.Value.Inserted = false;
}
context.Execute(collection);
update.Clear();
context.Clear();
}