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

Example 6 with LockResult

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

the class CatalogWebService method addOwner.

/**
 * Add an owner of the local sub tree
 * @response.representation.200.qname {http://www.example.com}userVO
 * @response.representation.200.mediaType application/xml, application/json
 * @response.representation.200.doc The catalog entry
 * @response.representation.200.example {@link org.olat.user.restapi.Examples#SAMPLE_USERVOes}
 * @response.representation.401.doc Not authorized
 * @response.representation.404.doc The path could not be resolved to a valid catalog entry
 * @param path The path
 * @param identityKey The id of the user
 * @param httpRquest The HTTP request
 * @return The response
 */
@PUT
@Path("{path:.*}/owners/{identityKey}")
public Response addOwner(@PathParam("path") List<PathSegment> path, @PathParam("identityKey") Long identityKey, @Context HttpServletRequest httpRequest) {
    Long key = getCatalogEntryKeyFromPath(path);
    if (key == null) {
        return Response.serverError().status(Status.NOT_ACCEPTABLE).build();
    }
    CatalogEntry ce = catalogManager.loadCatalogEntry(key);
    if (ce == null) {
        return Response.serverError().status(Status.NOT_FOUND).build();
    }
    if (!isAuthor(httpRequest) && !canAdminSubTree(ce, httpRequest)) {
        return Response.serverError().status(Status.UNAUTHORIZED).build();
    }
    BaseSecurity securityManager = BaseSecurityManager.getInstance();
    Identity identity = securityManager.loadIdentityByKey(identityKey, false);
    if (identity == null) {
        return Response.serverError().status(Status.NOT_FOUND).build();
    }
    Identity id = getUserRequest(httpRequest).getIdentity();
    LockResult lock = CoordinatorManager.getInstance().getCoordinator().getLocker().acquireLock(lockRes, id, LOCK_TOKEN);
    if (!lock.isSuccess()) {
        return getLockedResponse(lock, httpRequest);
    }
    try {
        SecurityGroup sg = ce.getOwnerGroup();
        if (sg == null) {
            ce.setOwnerGroup(securityManager.createAndPersistSecurityGroup());
            DBFactory.getInstance().intermediateCommit();
        }
        securityManager.addIdentityToSecurityGroup(identity, ce.getOwnerGroup());
    } catch (Exception e) {
        throw new WebApplicationException(e);
    } finally {
        CoordinatorManager.getInstance().getCoordinator().getLocker().releaseLock(lock);
    }
    return Response.ok().build();
}

Example 7 with LockResult

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

the class CatalogWebService method removeOwner.

/**
 * Remove an owner of the local sub tree
 * @response.representation.200.qname {http://www.example.com}userVO
 * @response.representation.200.mediaType application/xml, application/json
 * @response.representation.200.doc The catalog entry
 * @response.representation.200.example {@link org.olat.user.restapi.Examples#SAMPLE_USERVOes}
 * @response.representation.401.doc Not authorized
 * @response.representation.404.doc The path could not be resolved to a valid catalog entry
 * @param path The path
 * @param identityKey The id of the user
 * @param httpRquest The HTTP request
 * @return The response
 */
@DELETE
@Path("{path:.*}/owners/{identityKey}")
public Response removeOwner(@PathParam("path") List<PathSegment> path, @PathParam("identityKey") Long identityKey, @Context HttpServletRequest httpRequest) {
    Long key = getCatalogEntryKeyFromPath(path);
    if (key == null) {
        return Response.serverError().status(Status.NOT_ACCEPTABLE).build();
    }
    CatalogEntry ce = catalogManager.loadCatalogEntry(key);
    if (ce == null) {
        return Response.serverError().status(Status.NOT_FOUND).build();
    }
    if (!isAuthor(httpRequest) && !canAdminSubTree(ce, httpRequest)) {
        return Response.serverError().status(Status.UNAUTHORIZED).build();
    }
    BaseSecurity securityManager = BaseSecurityManager.getInstance();
    Identity identity = securityManager.loadIdentityByKey(identityKey, false);
    if (identity == null) {
        return Response.ok().build();
    }
    SecurityGroup sg = ce.getOwnerGroup();
    if (sg == null) {
        return Response.ok().build();
    }
    Identity id = getUserRequest(httpRequest).getIdentity();
    LockResult lock = CoordinatorManager.getInstance().getCoordinator().getLocker().acquireLock(lockRes, id, LOCK_TOKEN);
    if (!lock.isSuccess()) {
        return getLockedResponse(lock, httpRequest);
    }
    try {
        securityManager.removeIdentityFromSecurityGroup(identity, ce.getOwnerGroup());
    } catch (Exception e) {
        throw new WebApplicationException(e);
    } finally {
        CoordinatorManager.getInstance().getCoordinator().getLocker().releaseLock(lock);
    }
    return Response.ok().build();
}

Example 8 with LockResult

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

the class RepositoryEntryResource method getRepoFileById.

/**
 * Download the export zip file of a repository entry.
 * @response.representation.mediaType multipart/form-data
 * @response.representation.doc Download the resource file
 * @response.representation.200.mediaType application/zip
 * @response.representation.200.doc Download the repository entry as export zip file
 * @response.representation.200.example {@link org.olat.restapi.support.vo.Examples#SAMPLE_REPOENTRYVO}
 * @response.representation.401.doc The roles of the authenticated user are not sufficient
 * @response.representation.404.doc The resource could not found
 * @response.representation.406.doc Download of this resource is not possible
 * @response.representation.409.doc The resource is locked
 * @param repoEntryKey
 * @param request The HTTP request
 * @return
 */
@GET
@Path("file")
@Produces({ "application/zip", MediaType.APPLICATION_OCTET_STREAM })
public Response getRepoFileById(@PathParam("repoEntryKey") String repoEntryKey, @Context HttpServletRequest request) {
    RepositoryEntry re = lookupRepositoryEntry(repoEntryKey);
    if (re == null)
        return Response.serverError().status(Status.NOT_FOUND).build();
    RepositoryHandler typeToDownload = RepositoryHandlerFactory.getInstance().getRepositoryHandler(re);
    if (typeToDownload == null)
        return Response.serverError().status(Status.NOT_FOUND).build();
    OLATResource ores = OLATResourceManager.getInstance().findResourceable(re.getOlatResource());
    if (ores == null)
        return Response.serverError().status(Status.NOT_FOUND).build();
    Identity identity = getIdentity(request);
    boolean isAuthor = RestSecurityHelper.isAuthor(request);
    boolean isOwner = repositoryManager.isOwnerOfRepositoryEntry(identity, re);
    if (!(isAuthor | isOwner))
        return Response.serverError().status(Status.UNAUTHORIZED).build();
    boolean canDownload = re.getCanDownload() && typeToDownload.supportsDownload();
    if (!canDownload)
        return Response.serverError().status(Status.NOT_ACCEPTABLE).build();
    boolean isAlreadyLocked = typeToDownload.isLocked(ores);
    LockResult lockResult = null;
    try {
        lockResult = typeToDownload.acquireLock(ores, identity);
        if (lockResult == null || (lockResult != null && lockResult.isSuccess() && !isAlreadyLocked)) {
            MediaResource mr = typeToDownload.getAsMediaResource(ores, false);
            if (mr != null) {
                repositoryService.incrementDownloadCounter(re);
                // success
                return Response.ok(mr.getInputStream()).cacheControl(cc).build();
            } else
                return Response.serverError().status(Status.NO_CONTENT).build();
        } else
            return Response.serverError().status(Status.CONFLICT).build();
    } finally {
        if ((lockResult != null && lockResult.isSuccess() && !isAlreadyLocked))
            typeToDownload.releaseLock(lockResult);
    }
}

Example 9 with LockResult

use of org.olat.core.util.coordinate.LockResult 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 10 with LockResult

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

the class FeedManagerImpl method acquireLock.

@Override
public LockResult acquireLock(OLATResourceable feed, Item item, Identity identity) {
    String key = itemKey(item, feed);
    if (key.length() >= OresHelper.ORES_TYPE_LENGTH) {
        key = Encoder.md5hash(key);
    }
    OLATResourceable itemResource = OresHelper.createOLATResourceableType(key);
    LockResult lockResult = coordinator.getLocker().acquireLock(itemResource, identity, key);
    return lockResult;
}