Examples with LockEntry org.olat.core.util.coordinate.LockEntry used on opensource projects

Example 1 with LockEntry

use of org.olat.core.util.coordinate.LockEntry in project OpenOLAT by OpenOLAT.

the class LockController method event.

/**
 * @see org.olat.core.gui.control.DefaultController#event(org.olat.core.gui.UserRequest,
 *      org.olat.core.gui.control.Controller, org.olat.core.gui.control.Event)
 */
public void event(UserRequest ureq, Controller source, Event event) {
    if (source == tableCtr) {
        if (event.getCommand().equals(Table.COMMANDLINK_ROWACTION_CLICKED)) {
            TableEvent te = (TableEvent) event;
            LockEntry lockToRelease = locksTableModel.getObject(te.getRowId());
            dialogController = activateYesNoDialog(ureq, null, translate("lock.release.sure"), dialogController);
            dialogController.setUserObject(lockToRelease);
        }
    } else if (source == dialogController) {
        if (DialogBoxUIFactory.isYesEvent(event)) {
            LockEntry lockToRelease = (LockEntry) dialogController.getUserObject();
            MultiUserEvent mue = new LockRemovedEvent(lockToRelease);
            OLATResourceable lockEntryOres = OresHelper.createOLATResourceableInstance(LockEntry.class, 0l);
            CoordinatorManager.getInstance().getCoordinator().getEventBus().fireEventToListenersOf(mue, lockEntryOres);
            CoordinatorManager.getInstance().getCoordinator().getLocker().releaseLockEntry(lockToRelease);
            lockToRelease = null;
            resetTableModel();
        }
    }
}

Example 2 with LockEntry

use of org.olat.core.util.coordinate.LockEntry in project OpenOLAT by OpenOLAT.

the class ClusterLocker method acquireLock.

@Override
public LockResult acquireLock(final OLATResourceable ores, final Identity requestor, final String locksubkey) {
    final String asset = OresHelper.createStringRepresenting(ores, locksubkey);
    LockResult res = syncer.doInSync(ores, new SyncerCallback<LockResult>() {

        @Override
        public LockResult execute() {
            LockResultImpl lres;
            LockImpl li = clusterLockManager.findLock(asset);
            if (li == null) {
                // fine, we can lock it
                li = clusterLockManager.createLockImpl(asset, requestor);
                clusterLockManager.saveLock(li);
                LockEntry le = new LockEntry(li.getAsset(), li.getCreationDate().getTime(), li.getOwner());
                lres = new LockResultImpl(true, le);
            } else {
                // already locked by a user.
                // if that user is us, we can reacquire it
                LockEntry le = new LockEntry(li.getAsset(), li.getCreationDate().getTime(), li.getOwner());
                if (requestor.getName().equals(li.getOwner().getName())) {
                    // that's us -> success (asset, owner is the same, and we leave creationdate to when the lock was originally acquired, not when it was reacquired.
                    lres = new LockResultImpl(true, le);
                } else {
                    lres = new LockResultImpl(false, le);
                }
            }
            return lres;
        }
    });
    return res;
}

Example 3 with LockEntry

use of org.olat.core.util.coordinate.LockEntry in project OpenOLAT by OpenOLAT.

the class LockTest method testCreateDeleteAcquire.

@Test
public void testCreateDeleteAcquire() {
    // some setup
    List<Identity> identities = new ArrayList<Identity>();
    for (int i = 0; i < MAX_COUNT + MAX_USERS_MORE; i++) {
        Identity i1 = JunitTestHelper.createAndPersistIdentityAsRndUser("lock-");
        identities.add(i1);
    }
    dbInstance.closeSession();
    Identity ident = identities.get(0);
    Identity ident2 = identities.get(1);
    OLATResourceable ores = OresHelper.createOLATResourceableInstanceWithoutCheck(LockTest.class.getName(), new Long(123456789));
    // ------------------ test the clusterlockmanager ----------------------
    // create a lock
    String asset = OresHelper.createStringRepresenting(ores, "locktest");
    LockImpl li = clusterLockManager.createLockImpl(asset, ident);
    clusterLockManager.saveLock(li);
    dbInstance.closeSession();
    // find it
    LockImpl l2 = clusterLockManager.findLock(asset);
    assertNotNull(l2);
    assertEquals(li.getKey(), l2.getKey());
    // delete it
    int deletedLock = clusterLockManager.deleteLock(asset, ident);
    dbInstance.closeSession();
    Assert.assertEquals(1, deletedLock);
    // may not find it again
    LockImpl l3 = clusterLockManager.findLock(asset);
    assertNull(l3);
    // ------------------ test the clusterlocker ----------------------
    // access the cluster locker explicitely
    Locker cl = clusterCoordinator.getLocker();
    // acquire
    LockResult res1 = cl.acquireLock(ores, ident, "abc");
    assertTrue(res1.isSuccess());
    dbInstance.closeSession();
    // reacquire same identity (get from db)
    LockResult res11 = cl.acquireLock(ores, ident, "abc");
    long lock1Ac = res11.getLockAquiredTime();
    assertTrue(res11.isSuccess());
    assertTrue(lock1Ac > 0);
    dbInstance.closeSession();
    // acquire by another identity must fail
    LockResult res2 = cl.acquireLock(ores, ident2, "abc");
    assertFalse(res2.isSuccess());
    dbInstance.closeSession();
    // reacquire same identity
    LockResult res3 = cl.acquireLock(ores, ident, "abc");
    assertTrue(res3.isSuccess());
    dbInstance.closeSession();
    // make sure it is not locked anymore
    boolean lo3 = cl.isLocked(ores, "abc");
    assertTrue(lo3);
    // test the admin
    List<LockEntry> entries = cl.adminOnlyGetLockEntries();
    assertEquals(1, entries.size());
    LockEntry le = entries.get(0);
    // must be original owner
    assertEquals(le.getOwner().getName(), ident.getName());
    // release lock
    cl.releaseLock(res3);
    dbInstance.closeSession();
    // test the admin
    entries = cl.adminOnlyGetLockEntries();
    assertEquals(0, entries.size());
    // make sure it is not locked anymore
    boolean lo = cl.isLocked(ores, "abc");
    assertFalse(lo);
}

Example 4 with LockEntry

use of org.olat.core.util.coordinate.LockEntry in project openolat by klemens.

the class LockTest method testCreateDeleteAcquire.

@Test
public void testCreateDeleteAcquire() {
    // some setup
    List<Identity> identities = new ArrayList<Identity>();
    for (int i = 0; i < MAX_COUNT + MAX_USERS_MORE; i++) {
        Identity i1 = JunitTestHelper.createAndPersistIdentityAsRndUser("lock-");
        identities.add(i1);
    }
    dbInstance.closeSession();
    Identity ident = identities.get(0);
    Identity ident2 = identities.get(1);
    OLATResourceable ores = OresHelper.createOLATResourceableInstanceWithoutCheck(LockTest.class.getName(), new Long(123456789));
    // ------------------ test the clusterlockmanager ----------------------
    // create a lock
    String asset = OresHelper.createStringRepresenting(ores, "locktest");
    LockImpl li = clusterLockManager.createLockImpl(asset, ident);
    clusterLockManager.saveLock(li);
    dbInstance.closeSession();
    // find it
    LockImpl l2 = clusterLockManager.findLock(asset);
    assertNotNull(l2);
    assertEquals(li.getKey(), l2.getKey());
    // delete it
    int deletedLock = clusterLockManager.deleteLock(asset, ident);
    dbInstance.closeSession();
    Assert.assertEquals(1, deletedLock);
    // may not find it again
    LockImpl l3 = clusterLockManager.findLock(asset);
    assertNull(l3);
    // ------------------ test the clusterlocker ----------------------
    // access the cluster locker explicitely
    Locker cl = clusterCoordinator.getLocker();
    // acquire
    LockResult res1 = cl.acquireLock(ores, ident, "abc");
    assertTrue(res1.isSuccess());
    dbInstance.closeSession();
    // reacquire same identity (get from db)
    LockResult res11 = cl.acquireLock(ores, ident, "abc");
    long lock1Ac = res11.getLockAquiredTime();
    assertTrue(res11.isSuccess());
    assertTrue(lock1Ac > 0);
    dbInstance.closeSession();
    // acquire by another identity must fail
    LockResult res2 = cl.acquireLock(ores, ident2, "abc");
    assertFalse(res2.isSuccess());
    dbInstance.closeSession();
    // reacquire same identity
    LockResult res3 = cl.acquireLock(ores, ident, "abc");
    assertTrue(res3.isSuccess());
    dbInstance.closeSession();
    // make sure it is not locked anymore
    boolean lo3 = cl.isLocked(ores, "abc");
    assertTrue(lo3);
    // test the admin
    List<LockEntry> entries = cl.adminOnlyGetLockEntries();
    assertEquals(1, entries.size());
    LockEntry le = entries.get(0);
    // must be original owner
    assertEquals(le.getOwner().getName(), ident.getName());
    // release lock
    cl.releaseLock(res3);
    dbInstance.closeSession();
    // test the admin
    entries = cl.adminOnlyGetLockEntries();
    assertEquals(0, entries.size());
    // make sure it is not locked anymore
    boolean lo = cl.isLocked(ores, "abc");
    assertFalse(lo);
}

Example 5 with LockEntry

use of org.olat.core.util.coordinate.LockEntry in project openolat by klemens.

the class LockController method event.

/**
 * @see org.olat.core.gui.control.DefaultController#event(org.olat.core.gui.UserRequest,
 *      org.olat.core.gui.control.Controller, org.olat.core.gui.control.Event)
 */
public void event(UserRequest ureq, Controller source, Event event) {
    if (source == tableCtr) {
        if (event.getCommand().equals(Table.COMMANDLINK_ROWACTION_CLICKED)) {
            TableEvent te = (TableEvent) event;
            LockEntry lockToRelease = locksTableModel.getObject(te.getRowId());
            dialogController = activateYesNoDialog(ureq, null, translate("lock.release.sure"), dialogController);
            dialogController.setUserObject(lockToRelease);
        }
    } else if (source == dialogController) {
        if (DialogBoxUIFactory.isYesEvent(event)) {
            LockEntry lockToRelease = (LockEntry) dialogController.getUserObject();
            MultiUserEvent mue = new LockRemovedEvent(lockToRelease);
            OLATResourceable lockEntryOres = OresHelper.createOLATResourceableInstance(LockEntry.class, 0l);
            CoordinatorManager.getInstance().getCoordinator().getEventBus().fireEventToListenersOf(mue, lockEntryOres);
            CoordinatorManager.getInstance().getCoordinator().getLocker().releaseLockEntry(lockToRelease);
            lockToRelease = null;
            resetTableModel();
        }
    }
}