public void BulkDiplicateTest()
{
using (var bdb = CreateDbDup())
using (var cursor = new BerkeleyBulkDuplicateCursor(bdb, GetPageSize(bdb)))
{
bool blobExists;
HashSet<KeyValuePair<int, DateTime>> data = BulkDuplicateWrite(cursor, out blobExists);
BulkDuplicateRead(cursor, data, blobExists);
data = BulkDuplicateDelete(cursor, data, ref blobExists);
BulkDuplicateRead(cursor, data, blobExists);
}
}
private static void BulkDuplicateRead(BerkeleyBulkDuplicateCursor cursor, HashSet<KeyValuePair<int, DateTime>> data, bool blobExists)
{
var checkData = new HashSet<KeyValuePair<int, DateTime>>(data);
bool blobFound = false;
DateTime d1 = new DateTime(2014, 1, 1);
foreach (int keyIndex in data.Select(d => d.Key).Distinct())
{
Byte[] key = Encoding.UTF8.GetBytes(keyIndex.ToString());
for (BerkeleyBulkEnumerator buffer = cursor.ReadAsync(key, BerkeleyDbOperation.DB_SET).Result;
!buffer.NotFound;
buffer = cursor.ReadAsync(null, BerkeleyDbOperation.DB_NEXT_DUP).Result)
{
buffer.Error.ThrowIfError();
foreach (BerkeleyKeyValueBulk keyValue in buffer)
{
String value = Encoding.UTF8.GetString(keyValue.Value.ToArray());
DateTime d;
if (DateTime.TryParseExact(value, "dddd dd MMMM yyyy", null, DateTimeStyles.None, out d))
Assert.IsTrue(checkData.Remove(new KeyValuePair<int, DateTime>(keyIndex, d)), "key/value: " + "key" + keyIndex + "/" + value + " not exists");
else
{
blobFound = keyValue.Value.Count == 34123 && CheckByteArray(keyValue.Value);
Assert.IsTrue(blobFound, "blod data is bad");
}
}
}
}
Assert.AreEqual(checkData.Count, 0, "not all values found");
Assert.IsTrue(blobFound == blobExists, "blob value not found");
}
private static HashSet<KeyValuePair<int, DateTime>> BulkDuplicateWrite(BerkeleyBulkDuplicateCursor cursor, out bool blobExists)
{
var data = new HashSet<KeyValuePair<int, DateTime>>();
DateTime d1 = new DateTime(2014, 1, 1);
for (int i = 0; i < 1000; i++)
{
int keyIndex = (i / 100) + 1;
Byte[] key = Encoding.UTF8.GetBytes(keyIndex.ToString());
if (i == 500)
cursor.AddWrite(key, GenerateByteArray(34123));
String svalue = d1.AddDays(i).ToString("dddd dd MMMM yyyy");
Byte[] value = Encoding.UTF8.GetBytes(svalue);
cursor.AddWrite(key, value);
data.Add(new KeyValuePair<int, DateTime>(keyIndex, d1.AddDays(i)));
}
var error = cursor.WriteAsync(BerkeleyDbWriteMode.DB_OVERWRITE_DUP).Result;
error.ThrowIfError();
blobExists = true;
return data;
}
private static HashSet<KeyValuePair<int, DateTime>> BulkDuplicateDelete(BerkeleyBulkDuplicateCursor cursor, HashSet<KeyValuePair<int, DateTime>> data, ref bool blobExists)
{
var checkData = new HashSet<KeyValuePair<int, DateTime>>();
Byte[] key, value;
foreach (KeyValuePair<int, DateTime> keyValue in data)
{
if ((keyValue.Value.Day % 3) == 0)
{
key = Encoding.UTF8.GetBytes(keyValue.Key.ToString());
value = Encoding.UTF8.GetBytes(keyValue.Value.ToString("dddd dd MMMM yyyy"));
cursor.AddDelete(key, value);
}
else
checkData.Add(keyValue);
}
key = Encoding.UTF8.GetBytes((500 / 100 + 1).ToString());
value = GenerateByteArray(34123);
cursor.AddDelete(key, value);
BerkeleyError error = cursor.DeleteAsync().Result;
error.ThrowIfError();
blobExists = false;
return checkData;
}
