Hitachi

Hitachi Advanced Database Application Development Guide


8.2.23 isClosed()

Organization of this subsection

(1) Function

This method returns a value indicating whether this Connection object is closed.

The HADB server connection is closed when the close method is called or when a specific fatal error has occurred. This method is guaranteed to return true only when it is executed after a close method.

This method cannot be used to determine whether the HADB server connection is valid.

(2) Format

public synchronized boolean isClosed() throws SQLException

(3) Arguments

None.

(4) Return value

If this Connection object is closed, the method returns true; if not, the method returns false.

(5) Exceptions

None.