Berkeley DB

Db.set_feedback

						import com.sleepycat.db.*;
						public interface DbFeedback
						{
						public abstract void db_feedback(Db db, int opcode, int pct);
						}
						public class Db
						{
						public void set_feedback(DbFeedback db_feedback)
						throws DbException;
						...
						}
					

Description

Some operations performed by the Berkeley DB library can take non-trivial amounts of time. The Db.set_feedback method can be used by applications to monitor progress within these operations.

When an operation is likely to take a long time, Berkeley DB will call the specified callback method. This method must be declared with three arguments:The first will be a reference to the enclosing database handle; the second will be a flag value; and the third will be the percent of the operation that has been completed, ...