/// <summary>
/// Get a comparator for a
/// <see cref="IWritableComparable{T}"/>
/// implementation.
/// </summary>
public static Org.Apache.Hadoop.IO.WritableComparator Get(Type c, Configuration conf
)
{
Org.Apache.Hadoop.IO.WritableComparator comparator = comparators[c];
if (comparator == null)
{
// force the static initializers to run
ForceInit(c);
// look to see if it is defined now
comparator = comparators[c];
// if not, use the generic one
if (comparator == null)
{
comparator = new Org.Apache.Hadoop.IO.WritableComparator(c, conf, true);
}
}
// Newly passed Configuration objects should be used.
ReflectionUtils.SetConf(comparator, conf);
return(comparator);
}
/// <summary>
/// Register an optimized comparator for a
/// <see cref="IWritableComparable{T}"/>
/// implementation. Comparators registered with this method must be
/// thread-safe.
/// </summary>
public static void Define(Type c, Org.Apache.Hadoop.IO.WritableComparator comparator
)
{
comparators[c] = comparator;
}
