|
private SetCompareFunc ( |
||
| handle | ||
| foo | CompareFunc | |
| return | int | |
/// <summary>
/// Sets the comparison function
/// </summary>
/// <remarks>
/// This method wraps the native ups_db_set_compare_func function.<br />
/// <br />
/// The <see cref="CompareFunc" /> delegate compares two index keys.
/// It returns -1 if the first key is smaller, +1 if the second key
/// is smaller or 0 if both keys are equal.<br />
/// <br />
/// If <paramref name="foo"/> is null, upscaledb will use the default
/// compare function (which is based on memcmp(3)).<br />
/// </remarks>
/// <param name="foo">The compare delegate, or null</param>
public void SetCompareFunc(CompareFunc foo)
{
int st;
lock (this) {
st = NativeMethods.SetCompareFunc(handle, pinnedCompareFunc);
}
if (st != 0)
{
throw new DatabaseException(st);
}
CompareFoo = foo;
}
/// <summary>
/// Sets the comparison function
/// </summary>
/// <remarks>
/// This method wraps the native ups_db_set_compare_func function.<br />
/// <br />
/// The <see cref="CompareFunc" /> delegate compares two index keys.
/// It returns -1 if the first key is smaller, +1 if the second key
/// is smaller or 0 if both keys are equal.<br />
/// <br />
/// If <paramref name="foo"/> is null, upscaledb will use the default
/// compare function (which is based on memcmp(3)).<br />
/// </remarks>
/// <param name="foo">The compare delegate, or null</param>
public void SetCompareFunc(CompareFunc foo)
{
int st;
lock (this) {
CompareFunc pinned = new CompareFunc(foo);
callbacks.Add(pinned);
st = NativeMethods.SetCompareFunc(handle, pinned);
}
if (st != 0)
{
throw new DatabaseException(st);
}
}
