public void CopyTo(IDataFile destFile, long size)
{
transaction.CheckValid();
if (destFile is DbFile)
{
DbFile targetFile = (DbFile)destFile;
parent.CopyTo(targetFile.parent, size);
targetFile.LogChange();
}
else
{
parent.CopyTo(destFile, size);
}
}
public void CopyTo(IDataFile destFile, long size)
{
df.CopyTo(destFile, size);
}
public void EnumeratorCheck()
{
IDataFile df1 = Transaction.GetFile(new Key(1, 0, 5), FileAccess.ReadWrite);
IDataFile df2 = Transaction.GetFile(new Key(2, 0, 5), FileAccess.ReadWrite);
BinaryCollection collection1 = new BinaryCollection(df1);
Random rnd = new Random(5);
// Add some data,
byte[] buf = new byte[300];
{
for (int i = 0; i < 100; ++i)
{
ByteBuffer.WriteInt8(i, buf, 0);
ByteBuffer.WriteInt8((10 - i), buf, 8);
// Add random sized records
collection1.Add(new Binary(buf, 0, 16 + rnd.Next(284)));
}
}
// Copy the data from df1,
df1.CopyTo(df2, df1.Length);
BinaryCollection collection2 = new BinaryCollection(df2);
// Basic iterate over the set,
{
IEnumerator <Binary> i = collection1.GetEnumerator();
long ci = 0;
while (i.MoveNext())
{
Binary barr = i.Current;
BinaryReader din = new BinaryReader(barr.GetInputStream());
long inI = din.ReadInt64();
Assert.AreEqual(inI, ci);
++ci;
}
}
{
IInteractiveEnumerator <Binary> i;
// Iterate over the set and remove index 1, 3, 5, 7, etc
i = (IInteractiveEnumerator <Binary>)collection1.GetEnumerator();
long ci = 0;
while (i.MoveNext())
{
if ((ci % 2) == 1)
{
i.Remove();
}
++ci;
}
// And check,
i = (IInteractiveEnumerator <Binary>)collection1.GetEnumerator();
ci = 0;
while (i.MoveNext())
{
Binary barr = i.Current;
BinaryReader din = new BinaryReader(barr.GetInputStream());
long inI = din.ReadInt64();
Assert.AreEqual(inI, ci);
ci += 2;
}
}
// Operations on set_2 (the copy)
{
IInteractiveEnumerator <Binary> i;
// Iterate over the set and remove index 0, 2, 4, 6, etc
i = (IInteractiveEnumerator <Binary>)collection2.GetEnumerator();
long ci = 0;
while (i.MoveNext())
{
if ((ci % 2) == 0)
{
i.Remove();
}
++ci;
}
// And check,
i = (IInteractiveEnumerator <Binary>)collection2.GetEnumerator();
ci = 1;
while (i.MoveNext())
{
Binary barr = i.Current;
BinaryReader din = new BinaryReader(barr.GetInputStream());
long inI = din.ReadInt64();
Assert.AreEqual(inI, ci);
ci += 2;
}
}
}
