June 2001
Intermediate to advanced
688 pages
19h 18m
English
import com.sleepycat.db.*; public interface DbEnvFeedback { public abstract void db_feedback(DbEnv dbenv, int opcode, int pct); } public class DbEnv { public void set_feedback(DbEnvFeedback db_feedback) throws DbException; ... }
Some operations performed by the Berkeley DB library can take non-trivial amounts of time. The DbEnv.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 is a reference to the enclosing environment, the second is a flag value, and the third is the percent of the operation that has been ...