Examples with DistributionRegionSyncer org.bboxdb.distribution.region.DistributionRegionSyncer used on opensource projects

Example 6 with DistributionRegionSyncer

use of org.bboxdb.distribution.region.DistributionRegionSyncer in project bboxdb by jnidzwetzki.

the class TestRegionSyncer method testEventOnDelete.

@Test(timeout = 10000)
public void testEventOnDelete() throws InterruptedException, ZookeeperException {
    final DistributionRegionSyncer distributionRegionSyncer = buildSyncer();
    final DistributionRegion root = distributionRegionSyncer.getRootNode();
    createSplittedRoot(distributionRegionSyncer, root);
    // Tree children will be removed
    final CountDownLatch removedLatch = new CountDownLatch(3);
    final DistributionRegionCallback removedCallback = (e, r) -> {
        if (e == DistributionRegionEvent.REMOVED) {
            removedLatch.countDown();
        }
    };
    distributionRegionSyncer.registerCallback(removedCallback);
    distributionGroupAdapter.deleteDistributionGroup(GROUP);
    System.out.println("=== testEventOnDelete: Wait for removed latch");
    removedLatch.await();
    distributionRegionSyncer.unregisterCallback(removedCallback);
}

Example 7 with DistributionRegionSyncer

use of org.bboxdb.distribution.region.DistributionRegionSyncer in project bboxdb by jnidzwetzki.

the class TestRegionSyncer method testChangeState1.

@Test(timeout = 10000)
public void testChangeState1() throws InterruptedException, ZookeeperException {
    final DistributionRegionSyncer distributionRegionSyncer = buildSyncer();
    final DistributionRegion root = distributionRegionSyncer.getRootNode();
    Assert.assertEquals(DistributionRegionState.ACTIVE, root.getState());
    final CountDownLatch latch = new CountDownLatch(1);
    final DistributionRegionCallback callback = (e, r) -> {
        if (r.getState() == DistributionRegionState.ACTIVE_FULL) {
            latch.countDown();
        }
    };
    distributionRegionSyncer.registerCallback(callback);
    distributionRegionAdapter.setStateForDistributionRegion(root, DistributionRegionState.ACTIVE_FULL);
    latch.await();
    distributionRegionSyncer.unregisterCallback(callback);
    Assert.assertEquals(DistributionRegionState.ACTIVE_FULL, root.getState());
}

Example 8 with DistributionRegionSyncer

use of org.bboxdb.distribution.region.DistributionRegionSyncer in project bboxdb by jnidzwetzki.

the class TestRegionSyncer method testMerge.

@Test(timeout = 10000)
public void testMerge() throws ZookeeperException, InterruptedException {
    final DistributionRegionSyncer distributionRegionSyncer = buildSyncer();
    final DistributionRegion root = distributionRegionSyncer.getRootNode();
    createSplittedRoot(distributionRegionSyncer, root);
    // Delete child 1
    System.out.println("=== Delete child 1");
    final CountDownLatch deleteLatch1 = new CountDownLatch(1);
    final DistributionRegionCallback callback1 = (e, r) -> {
        if (root.getAllChildren().size() == 1) {
            deleteLatch1.countDown();
        }
    };
    distributionRegionSyncer.registerCallback(callback1);
    distributionRegionAdapter.deleteChild(root.getChildNumber(1));
    deleteLatch1.await();
    distributionRegionSyncer.unregisterCallback(callback1);
    Assert.assertEquals(1, root.getAllChildren().size());
    // Delete child 2
    System.out.println("=== Delete child 2");
    final CountDownLatch deleteLatch2 = new CountDownLatch(1);
    final DistributionRegionCallback callback2 = (e, r) -> {
        if (root.getAllChildren().size() == 0) {
            deleteLatch2.countDown();
        }
    };
    distributionRegionSyncer.registerCallback(callback2);
    distributionRegionAdapter.deleteChild(root.getChildNumber(0));
    deleteLatch2.await();
    distributionRegionSyncer.unregisterCallback(callback2);
    Assert.assertEquals(0, root.getAllChildren().size());
}

Example 9 with DistributionRegionSyncer

use of org.bboxdb.distribution.region.DistributionRegionSyncer in project bboxdb by jnidzwetzki.

the class TestRegionSyncer method testSplit.

@Test(timeout = 10000)
public void testSplit() throws ZookeeperException, InterruptedException {
    final DistributionRegionSyncer distributionRegionSyncer = buildSyncer();
    final DistributionRegion root = distributionRegionSyncer.getRootNode();
    final String fullname = createSplittedRoot(distributionRegionSyncer, root);
    System.out.println("==== Creating subchild");
    final DistributionRegion level1Child = root.getChildNumber(0);
    final BoundingBox leftBoundingBoxChild = level1Child.getConveringBox().splitAndGetLeft(0, 1, true);
    final CountDownLatch latchLevel1 = new CountDownLatch(1);
    final String level1ChildPath = distributionRegionAdapter.getZookeeperPathForDistributionRegion(level1Child);
    final DistributionRegionCallback level1Callback = (e, r) -> {
        if (root.getAllChildren().size() == 3) {
            latchLevel1.countDown();
        }
    };
    distributionRegionSyncer.registerCallback(level1Callback);
    distributionRegionAdapter.createNewChild(level1ChildPath, 0, leftBoundingBoxChild, fullname);
    latchLevel1.await();
    distributionRegionSyncer.unregisterCallback(level1Callback);
    Assert.assertTrue(root.getChildNumber(0).getChildNumber(0) != null);
    Assert.assertEquals(0, root.getRegionId());
    Assert.assertEquals(1, root.getChildNumber(0).getRegionId());
    Assert.assertEquals(3, root.getChildNumber(0).getChildNumber(0).getRegionId());
    Assert.assertEquals(3, root.getAllChildren().size());
    Assert.assertEquals(0, root.getLevel());
    Assert.assertEquals(1, level1Child.getLevel());
    Assert.assertEquals(2, root.getChildNumber(0).getChildNumber(0).getLevel());
    // Reread data from zookeeper
    System.out.println("== clear in memory data");
    distributionRegionSyncer.clear();
    final DistributionRegion root2 = distributionRegionSyncer.getRootNode();
    Assert.assertTrue(root2.getChildNumber(0).getChildNumber(0) != null);
    Assert.assertEquals(0, root2.getRegionId());
    Assert.assertEquals(1, root2.getChildNumber(0).getRegionId());
    Assert.assertEquals(3, root2.getChildNumber(0).getChildNumber(0).getRegionId());
    Assert.assertEquals(3, root2.getAllChildren().size());
    Assert.assertEquals(0, root2.getLevel());
    Assert.assertEquals(2, root2.getChildNumber(0).getChildNumber(0).getLevel());
}

Example 10 with DistributionRegionSyncer

use of org.bboxdb.distribution.region.DistributionRegionSyncer in project bboxdb by jnidzwetzki.

the class TestRegionSyncer method testChangeState2.

@Test(timeout = 10000)
public void testChangeState2() throws InterruptedException, ZookeeperException {
    final DistributionRegionSyncer distributionRegionSyncer = buildSyncer();
    final DistributionRegion root = distributionRegionSyncer.getRootNode();
    createSplittedRoot(distributionRegionSyncer, root);
    final CountDownLatch latch = new CountDownLatch(1);
    final DistributionRegionCallback callback = (e, r) -> {
        if (r == root.getChildNumber(1) && r.getState() == DistributionRegionState.MERGING) {
            latch.countDown();
        }
    };
    distributionRegionSyncer.registerCallback(callback);
    distributionRegionAdapter.setStateForDistributionRegion(root.getChildNumber(0), DistributionRegionState.MERGING);
    distributionRegionAdapter.setStateForDistributionRegion(root.getChildNumber(1), DistributionRegionState.MERGING);
    latch.await();
    distributionRegionSyncer.unregisterCallback(callback);
    Assert.assertEquals(2, root.getDirectChildren().size());
    Assert.assertEquals(DistributionRegionState.MERGING, root.getChildNumber(0).getState());
    Assert.assertEquals(DistributionRegionState.MERGING, root.getChildNumber(1).getState());
    // Reread state from zookeeper
    System.out.println("== clear in memory data");
    distributionRegionSyncer.clear();
    final DistributionRegion root2 = distributionRegionSyncer.getRootNode();
    Assert.assertEquals(2, root2.getDirectChildren().size());
    Assert.assertEquals(DistributionRegionState.MERGING, root2.getChildNumber(0).getState());
    Assert.assertEquals(DistributionRegionState.MERGING, root2.getChildNumber(1).getState());
}