Examples of org.apache.derby.iapi.store.access.conglomerate.ScanManager

Package org.apache.derby.iapi.store.access.conglomerate

Examples of org.apache.derby.iapi.store.access.conglomerate.ScanManager

org.apache.derby.iapi.store.access.conglomerate.ScanManager
The ScanManager interface contains those methods private to access method implementors necessary to implement Scans on Conglomerates. Client of scans use the ScanController to interact with the scan.
@see ScanController

        if (!scanControllers.isEmpty())
        {
            // loop from end to beginning, removing scans which are not held.
            for (int i = scanControllers.size() - 1; i >= 0; i--)
            {
                ScanManager sc = (ScanManager) scanControllers.get(i);


                if (sc.closeForEndTransaction(closeHeldControllers))
                {
                    // TODO - now counting on scan's removing themselves by 
                    // calling the closeMe() method.
                    /* scanControllers.removeElementAt(i); */
                }
            }


            if (closeHeldControllers)
            {
                if (SanityManager.DEBUG)
                {
                    SanityManager.ASSERT(scanControllers.isEmpty());
                }
                // just to make sure everything has been closed and removed.
                scanControllers.clear();
            }
        }


        if (!conglomerateControllers.isEmpty())
        {
            // loop from end to beginning, removing scans which are not held.
            for (int i = conglomerateControllers.size() - 1; i >= 0; i--)
            {
                ConglomerateController cc = 
                    (ConglomerateController) 
                        conglomerateControllers.get(i);


                if (cc.closeForEndTransaction(closeHeldControllers))
                {
                    // TODO - now counting on cc's removing themselves by 
                    // calling the closeMe() method.
                    /* conglomerateControllers.removeElementAt(i); */
                }
            }


            if (closeHeldControllers)
            {
                if (SanityManager.DEBUG)
                {
                    SanityManager.ASSERT(scanControllers.isEmpty());
                }
                // just to make sure everything has been closed and removed.
                conglomerateControllers.clear();
            }
        }


        if ((sortControllers != null) && !sortControllers.isEmpty())
        {
            if (closeHeldControllers)
            {
                // Loop from the end since the call to close() will remove the
                // element from the list.
                for (int i = sortControllers.size() - 1; i >= 0; i--)
                {
                    SortController sc = (SortController) sortControllers.get(i);
                    sc.completedInserts();
                }
                sortControllers.clear();
            }
        }

View Full Code Here

                    "Bad lock level to openScan:" + lock_level);
            }
        }


    // Get a scan controller.
    ScanManager sm =
            conglom.openScan(
                this, rawtran, hold, open_mode,
                determine_lock_level(lock_level),
                determine_locking_policy(lock_level, isolation_level),
                isolation_level,

View Full Code Here


    // Find the conglomerate.
    Conglomerate conglom = findExistingConglomerate(conglomId);


    // Get a scan controller.
    ScanManager sm = 
            conglom.openScan(
                this, rawtran, hold, open_mode, 
                determine_lock_level(lock_level),
                determine_locking_policy(lock_level, isolation_level),
                isolation_level,

View Full Code Here


    // Find the conglomerate.
    Conglomerate conglom = findExistingConglomerate(conglomId);


    // Get a scan controller.
    ScanManager sm = 
            conglom.defragmentConglomerate(
                this, 
                rawtran, 
                hold, 
                open_mode,

View Full Code Here


                    istream.println(
                        "Current list of open scans: " +  debugOpened());
                }
            }
      ScanManager sm = (ScanManager) o;
            sm.savePosition(conglom, page);
    }
    }

View Full Code Here

        if (!scanControllers.isEmpty())
        {
            // loop from end to beginning, removing scans which are not held.
            for (int i = scanControllers.size() - 1; i >= 0; i--)
            {
                ScanManager sc = (ScanManager) scanControllers.elementAt(i);


                if (sc.closeForEndTransaction(closeHeldControllers))
                {
                    // TODO - now counting on scan's removing themselves by 
                    // calling the closeMe() method.
                    /* scanControllers.removeElementAt(i); */
                }
            }


            if (closeHeldControllers)
            {
                if (SanityManager.DEBUG)
                {
                    SanityManager.ASSERT(scanControllers.isEmpty());
                }
                // just to make sure everything has been closed and removed.
                scanControllers.removeAllElements();
            }
        }


        if (!conglomerateControllers.isEmpty())
        {
            // loop from end to beginning, removing scans which are not held.
            for (int i = conglomerateControllers.size() - 1; i >= 0; i--)
            {
                ConglomerateController cc = 
                    (ConglomerateController) 
                        conglomerateControllers.elementAt(i);


                if (cc.closeForEndTransaction(closeHeldControllers))
                {
                    // TODO - now counting on cc's removing themselves by 
                    // calling the closeMe() method.
                    /* conglomerateControllers.removeElementAt(i); */
                }
            }


            if (closeHeldControllers)
            {
                if (SanityManager.DEBUG)
                {
                    SanityManager.ASSERT(scanControllers.isEmpty());
                }
                // just to make sure everything has been closed and removed.
                conglomerateControllers.removeAllElements();
            }
        }


        if ((sortControllers != null) && !sortControllers.isEmpty())
        {
            if (closeHeldControllers)
            {
                e = sortControllers.elements();
                while (e.hasMoreElements())
                {
                    SortController sc = (SortController) e.nextElement();
                    sc.close();
                }
                sortControllers.removeAllElements();
            }
        }

View Full Code Here

                    "Bad lock level to openScan:" + lock_level);
            }
        }


    // Get a scan controller.
    ScanManager sm =
            conglom.openScan(
                this, rawtran, hold, open_mode,
                determine_lock_level(lock_level),
                determine_locking_policy(lock_level, isolation_level),
                isolation_level,

View Full Code Here


    // Find the conglomerate.
    Conglomerate conglom = findExistingConglomerate(conglomId);


    // Get a scan controller.
    ScanManager sm = 
            conglom.openScan(
                this, rawtran, hold, open_mode, 
                determine_lock_level(lock_level),
                determine_locking_policy(lock_level, isolation_level),
                isolation_level,

View Full Code Here


    // Find the conglomerate.
    Conglomerate conglom = findExistingConglomerate(conglomId);


    // Get a scan controller.
    ScanManager sm = 
            conglom.defragmentConglomerate(
                this, 
                rawtran, 
                hold, 
                open_mode,

View Full Code Here


                    istream.println(
                        "Current list of open scans: " +  debugOpened());
                }
            }
      ScanManager sm = (ScanManager) o;
            sm.savePosition(conglom, page);
    }
    }

View Full Code Here

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