void Populate(ISortedDictionary <object, object> PeopleStore)
{
int ZipCodeCtr = 5000;
CacheRecord[] BatchedRecords = new CacheRecord[BatchCount];
int BatchedIndex = 0;
for (int i = 0; i < MaxCount; i++)
{
int pid = (int)PeopleStore.GetNextSequence();
Person p = new Person()
{
FirstName = string.Format("Joe{0}", pid),
LastName = string.Format("Peter{0}", pid)
};
BatchedRecords[BatchedIndex] = new CacheRecord()
{
p = p,
blob = new PersonBlob
{
Blob = new byte[PersonBlob.BlobAvgSize]
}
};
BatchedRecords[BatchedIndex].blob.Blob[0] = 1;
BatchedRecords[BatchedIndex].blob.Blob[5] = 54;
BatchedIndex++;
if (BatchedIndex == BatchCount)
{
for (int i2 = 0; i2 < BatchedIndex; i2++)
{
PeopleStore.Add(BatchedRecords[i2].p, BatchedRecords[i2].blob);
}
PeopleStore.Flush();
if (i % 500 == 0)
{
ZipCodeCtr++;
}
BatchedIndex = 0;
}
}
if (BatchedIndex > 0)
{
for (int i2 = 0; i2 < BatchedIndex; i2++)
{
PeopleStore.Add(BatchedRecords[i2].p, BatchedRecords[i2].blob);
}
PeopleStore.Flush();
}
}
void Populate(ISortedDictionary <string, object> Store)
{
for (int i = 0; i < MaxCount; i++)
{
int pid = (int)Store.GetNextSequence();
string key = string.Empty;
object value = null;
switch (i % 4)
{
case 0:
key = string.Format("PersonBlob{0}", pid);
value = new PersonBlob
{
Blob = new byte[PersonBlob.BlobAvgSize]
};
break;
case 1:
key = string.Format("Person{0}", pid);
value = new Person
{
FirstName = string.Format("Joe {0}", pid),
LastName = string.Format("Curly {0}", pid)
};
break;
case 2:
key = string.Format("Address{0}", pid);
value = new Address
{
Street = string.Format("123 Love Lane {0}", pid),
City = "Fremont",
State = "California",
Country = "U.S.A.",
ZipCode = 94599
};
break;
case 3:
key = string.Format("Dept{0}", pid);
value = new Department
{
Id = pid,
Name = string.Format("Dept {0}", pid)
};
break;
}
Store.Add(key, value);
if (i % 2000 == 0)
{
Store.Flush();
}
}
}
/// <summary>
/// Sample code to show how to create nested Sorted Dictionaries.
/// I.e. - Collections within Collection scenario.
/// </summary>
public void Run()
{
Console.WriteLine("{0}: NestedSortedDictionary demo started...", DateTime.Now);
const int CollCount = 50;
ITransaction Trans;
IStoreFactory Factory = new StoreFactory();
//** Create/Get the Main Collection which we will store the nested "People" Sorted Dictionaries in below code...
ISortedDictionary <string, GeneralPurpose <long, Person> > Collections =
Factory.Get <string, GeneralPurpose <long, Person> >(Server.SystemFile.Store, "MainCollection");
for (int i = 0; i < CollCount; i++)
{
string CollectionName = string.Format("People{0}", i);
ISortedDictionary <long, Person> store = Factory.Get <long, Person>(Collections, CollectionName);
Trans = store.Transaction;
if (store.Count == 0)
{
Populate(store);
store.Flush();
//store.Dispose();
}
//else
// store.Dispose();
if (i >= 10)
{
//** get the table 5 tables "ago"
store = Factory.Get <long, Person>(Collections, string.Format("People{0}", i - 5));
//** delete the table retrieved...
//store.Clear();
store.Rename("foo");
ISortedDictionary <long, Person> fooStore = Factory.Get <long, Person>(Collections, "foo");
//store.Delete();
}
Trans.Commit();
server.BeginTransaction();
}
for (int i = 0; i < CollCount; i++)
{
string CollectionName = string.Format("People{0}", i);
ISortedDictionary <long, Person> store = Factory.Get <long, Person>(Collections, CollectionName, createIfNotExist: false);
if (store != null)
{
ReadAll(store);
//store.Dispose();
}
}
Console.WriteLine("{0}: NestedSortedDictionary demo ended...", DateTime.Now);
}
void Populate(ObjectServer server,
ISortedDictionary <long, Person> PeopleStore,
int maxCount,
int seed
)
{
int ZipCodeCtr = 5000;
for (int i = seed; i < maxCount; i++)
{
if (i == maxCount - 2)
{
object o = 90;
}
int aid = i;
Address addr = new Address()
{
AddressID = aid,
Key = new AddressKey()
{
Street = string.Format("143{0} LoveLane", aid),
City = "Fremont",
Country = "USA",
State = "California",
ZipCode = ZipCodeCtr.ToString()
}
};
int pid = (int)PeopleStore.GetNextSequence();
Person p = new Person()
{
PersonID = pid,
AddressID = addr.AddressID,
Key = new PersonKey()
{
FirstName = string.Format("Joe{0}", pid),
LastName = string.Format("Peter{0}", pid)
},
PhoneNumber = "510-555-9999"
};
PeopleStore.Add(p.PersonID, p);
if (i % 5000 == 0)
{
ZipCodeCtr++;
PeopleStore.Flush();
}
}
}
/// <summary>
/// Sample code that creates 50 tables and deletes 40 of them.
/// Reads all the records of the leftover 10 tables. Intention of
/// this example is to test table space recycling and to show to the
/// user feature to delete a table in SOP.
/// </summary>
public void Run()
{
Console.WriteLine("{0}: CollectionRecycling demo started...", DateTime.Now);
const int CollCount = 50;
ITransaction Trans;
IStoreFactory sf = new StoreFactory();
for (int i = 0; i < CollCount; i++)
{
string CollectionName = string.Format("People{0}", i);
ISortedDictionary <long, Person> store = sf.Get <long, Person>(Server.SystemFile.Store, CollectionName);
Trans = store.Transaction;
if (store.Count == 0)
{
Populate(store);
store.Flush();
//store.Dispose();
}
//else
// store.Dispose();
if (i >= 10)
{
//** get the table 5 tables "ago"
store = sf.Get <long, Person>(Server.SystemFile.Store, string.Format("People{0}", i - 5));
//** delete the table retrieved...
store.Delete();
}
Trans.Commit();
server.BeginTransaction();
}
for (int i = 0; i < CollCount; i++)
{
string CollectionName = string.Format("People{0}", i);
ISortedDictionary <long, Person> store = sf.Get <long, Person>(Server.SystemFile.Store, CollectionName);
if (store != null)
{
ReadAll(store);
//store.Dispose();
}
}
Console.WriteLine("{0}: CollectionRecycling demo ended...", DateTime.Now);
}
void Stress(ISortedDictionary <int, Person> PeopleStore,
ISortedDictionary <int, Address> AddressStore, int MaxCount)
{
PeopleStore.HintBatchCount = 100;
AddressStore.HintBatchCount = 100;
PeopleStore.MoveLast();
int mx = MaxCount;
Random rdm = new Random(mx);
//** NOTE: no batching implemented here, just basic operations...
//** see Populate function how to do batch Add in set of 1000 which optimizes SOP/Disk buffer usage
//** batch remove can also be done to optimize usage of such buffers & minimize file pointer jumps.
for (int i = 0; i < MaxCount / 10; i++)
{
int no = rdm.Next(mx);
Person p;
if (i % 2 == 0)
{
Address addr = new Address();
addr.AddressID = (int)AddressStore.GetNextSequence();
addr.City = "Fremont";
addr.Country = "USA";
addr.State = "California";
addr.Street = string.Format("143{0} LoveLane", i);
addr.ZipCode = "99999";
AddressStore.Add(addr.AddressID, addr);
p = new Person();
p.AddressID = addr.AddressID;
int i2 = no;
p.FirstName = string.Format("Joe{0}", i2);
p.LastName = "Peter";
p.PhoneNumber = "510-555-9999";
PeopleStore.Add(i2, p);
}
else
{
if (PeopleStore.TryGetValue(no, out p))
{
AddressStore.Remove(p.AddressID);
PeopleStore.Remove(no);
}
}
if (i % 500 <= 1)
{
if (i % 2 == 0)
{
PeopleStore.Transaction.Commit();
}
else
{
PeopleStore.Flush();
AddressStore.Flush();
PeopleStore.Transaction.Rollback();
}
server.BeginTransaction();
}
}
Console.WriteLine("Stress ended.");
}