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Example 1 with LinearGutmanSplitStrategy

use of org.apache.druid.collections.spatial.split.LinearGutmanSplitStrategy in project druid by druid-io.

the class ImmutableRTreeTest method testToAndFromByteBufferRoaring.

@Test
public void testToAndFromByteBufferRoaring() {
    BitmapFactory bf = new RoaringBitmapFactory();
    RTree tree = new RTree(2, new LinearGutmanSplitStrategy(0, 50, bf), bf);
    tree.insert(new float[] { 0, 0 }, 1);
    tree.insert(new float[] { 1, 1 }, 2);
    tree.insert(new float[] { 2, 2 }, 3);
    tree.insert(new float[] { 3, 3 }, 4);
    tree.insert(new float[] { 4, 4 }, 5);
    ImmutableRTree firstTree = ImmutableRTree.newImmutableFromMutable(tree);
    ByteBuffer buffer = ByteBuffer.wrap(firstTree.toBytes());
    ImmutableRTree secondTree = new ImmutableRTree(buffer, bf);
    Iterable<ImmutableBitmap> points = secondTree.search(new RadiusBound(new float[] { 0, 0 }, 10));
    ImmutableBitmap finalSet = bf.union(points);
    Assert.assertTrue(finalSet.size() >= 5);
    Set<Integer> expected = Sets.newHashSet(1, 2, 3, 4, 5);
    IntIterator iter = finalSet.iterator();
    while (iter.hasNext()) {
        Assert.assertTrue(expected.contains(iter.next()));
    }
}
Also used : IntIterator(org.roaringbitmap.IntIterator) RadiusBound(org.apache.druid.collections.spatial.search.RadiusBound) ImmutableBitmap(org.apache.druid.collections.bitmap.ImmutableBitmap) BitmapFactory(org.apache.druid.collections.bitmap.BitmapFactory) ConciseBitmapFactory(org.apache.druid.collections.bitmap.ConciseBitmapFactory) RoaringBitmapFactory(org.apache.druid.collections.bitmap.RoaringBitmapFactory) LinearGutmanSplitStrategy(org.apache.druid.collections.spatial.split.LinearGutmanSplitStrategy) RoaringBitmapFactory(org.apache.druid.collections.bitmap.RoaringBitmapFactory) ByteBuffer(java.nio.ByteBuffer) Test(org.junit.Test)

Example 2 with LinearGutmanSplitStrategy

use of org.apache.druid.collections.spatial.split.LinearGutmanSplitStrategy in project druid by druid-io.

the class ImmutableRTreeTest method testSearchWithSplitLimitedBoundRoaring.

@Test
public void testSearchWithSplitLimitedBoundRoaring() {
    BitmapFactory bf = new RoaringBitmapFactory();
    RTree tree = new RTree(2, new LinearGutmanSplitStrategy(0, 50, bf), bf);
    tree.insert(new float[] { 0, 0 }, 1);
    tree.insert(new float[] { 1, 3 }, 2);
    tree.insert(new float[] { 4, 2 }, 3);
    tree.insert(new float[] { 5, 0 }, 4);
    tree.insert(new float[] { -4, -3 }, 5);
    Random rand = ThreadLocalRandom.current();
    for (int i = 0; i < 4995; i++) {
        tree.insert(new float[] { (float) (rand.nextDouble() * 10 + 10.0), (float) (rand.nextDouble() * 10 + 10.0) }, i);
    }
    ImmutableRTree searchTree = ImmutableRTree.newImmutableFromMutable(tree);
    Iterable<ImmutableBitmap> points = searchTree.search(new RadiusBound(new float[] { 0, 0 }, 5, 2));
    ImmutableBitmap finalSet = bf.union(points);
    Assert.assertTrue(finalSet.size() >= 5);
    Set<Integer> expected = Sets.newHashSet(1, 2, 3, 4, 5);
    IntIterator iter = finalSet.iterator();
    while (iter.hasNext()) {
        Assert.assertTrue(expected.contains(iter.next()));
    }
}
Also used : IntIterator(org.roaringbitmap.IntIterator) ImmutableBitmap(org.apache.druid.collections.bitmap.ImmutableBitmap) LinearGutmanSplitStrategy(org.apache.druid.collections.spatial.split.LinearGutmanSplitStrategy) Random(java.util.Random) ThreadLocalRandom(java.util.concurrent.ThreadLocalRandom) RadiusBound(org.apache.druid.collections.spatial.search.RadiusBound) BitmapFactory(org.apache.druid.collections.bitmap.BitmapFactory) ConciseBitmapFactory(org.apache.druid.collections.bitmap.ConciseBitmapFactory) RoaringBitmapFactory(org.apache.druid.collections.bitmap.RoaringBitmapFactory) RoaringBitmapFactory(org.apache.druid.collections.bitmap.RoaringBitmapFactory) Test(org.junit.Test)

Example 3 with LinearGutmanSplitStrategy

use of org.apache.druid.collections.spatial.split.LinearGutmanSplitStrategy in project druid by druid-io.

the class ImmutableRTreeTest method testSearchNoSplitRoaring.

@Test
public void testSearchNoSplitRoaring() {
    BitmapFactory bf = new RoaringBitmapFactory();
    RTree tree = new RTree(2, new LinearGutmanSplitStrategy(0, 50, bf), bf);
    tree.insert(new float[] { 0, 0 }, 1);
    tree.insert(new float[] { 10, 10 }, 10);
    tree.insert(new float[] { 1, 3 }, 2);
    tree.insert(new float[] { 27, 34 }, 20);
    tree.insert(new float[] { 106, 19 }, 30);
    tree.insert(new float[] { 4, 2 }, 3);
    tree.insert(new float[] { 5, 0 }, 4);
    tree.insert(new float[] { 4, 72 }, 40);
    tree.insert(new float[] { -4, -3 }, 5);
    tree.insert(new float[] { 119, -78 }, 50);
    Assert.assertEquals(tree.getRoot().getChildren().size(), 10);
    ImmutableRTree searchTree = ImmutableRTree.newImmutableFromMutable(tree);
    Iterable<ImmutableBitmap> points = searchTree.search(new RadiusBound(new float[] { 0, 0 }, 5));
    ImmutableBitmap finalSet = bf.union(points);
    Assert.assertTrue(finalSet.size() >= 5);
    Set<Integer> expected = Sets.newHashSet(1, 2, 3, 4, 5);
    IntIterator iter = finalSet.iterator();
    while (iter.hasNext()) {
        Assert.assertTrue(expected.contains(iter.next()));
    }
}
Also used : IntIterator(org.roaringbitmap.IntIterator) RadiusBound(org.apache.druid.collections.spatial.search.RadiusBound) ImmutableBitmap(org.apache.druid.collections.bitmap.ImmutableBitmap) BitmapFactory(org.apache.druid.collections.bitmap.BitmapFactory) ConciseBitmapFactory(org.apache.druid.collections.bitmap.ConciseBitmapFactory) RoaringBitmapFactory(org.apache.druid.collections.bitmap.RoaringBitmapFactory) LinearGutmanSplitStrategy(org.apache.druid.collections.spatial.split.LinearGutmanSplitStrategy) RoaringBitmapFactory(org.apache.druid.collections.bitmap.RoaringBitmapFactory) Test(org.junit.Test)

Example 4 with LinearGutmanSplitStrategy

use of org.apache.druid.collections.spatial.split.LinearGutmanSplitStrategy in project druid by druid-io.

the class ImmutableRTreeTest method testSearchWithSplit2Roaring.

@Test
public void testSearchWithSplit2Roaring() {
    BitmapFactory bf = new RoaringBitmapFactory();
    RTree tree = new RTree(2, new LinearGutmanSplitStrategy(0, 50, bf), bf);
    tree.insert(new float[] { 0.0f, 0.0f }, 0);
    tree.insert(new float[] { 1.0f, 3.0f }, 1);
    tree.insert(new float[] { 4.0f, 2.0f }, 2);
    tree.insert(new float[] { 7.0f, 3.0f }, 3);
    tree.insert(new float[] { 8.0f, 6.0f }, 4);
    Random rand = ThreadLocalRandom.current();
    for (int i = 5; i < 5000; i++) {
        tree.insert(new float[] { (float) (rand.nextDouble() * 10 + 10.0), (float) (rand.nextDouble() * 10 + 10.0) }, i);
    }
    ImmutableRTree searchTree = ImmutableRTree.newImmutableFromMutable(tree);
    Iterable<ImmutableBitmap> points = searchTree.search(new RectangularBound(new float[] { 0, 0 }, new float[] { 9, 9 }));
    ImmutableBitmap finalSet = bf.union(points);
    Assert.assertTrue(finalSet.size() >= 5);
    Set<Integer> expected = Sets.newHashSet(0, 1, 2, 3, 4);
    IntIterator iter = finalSet.iterator();
    while (iter.hasNext()) {
        Assert.assertTrue(expected.contains(iter.next()));
    }
}
Also used : IntIterator(org.roaringbitmap.IntIterator) ImmutableBitmap(org.apache.druid.collections.bitmap.ImmutableBitmap) LinearGutmanSplitStrategy(org.apache.druid.collections.spatial.split.LinearGutmanSplitStrategy) RectangularBound(org.apache.druid.collections.spatial.search.RectangularBound) Random(java.util.Random) ThreadLocalRandom(java.util.concurrent.ThreadLocalRandom) BitmapFactory(org.apache.druid.collections.bitmap.BitmapFactory) ConciseBitmapFactory(org.apache.druid.collections.bitmap.ConciseBitmapFactory) RoaringBitmapFactory(org.apache.druid.collections.bitmap.RoaringBitmapFactory) RoaringBitmapFactory(org.apache.druid.collections.bitmap.RoaringBitmapFactory) Test(org.junit.Test)

Example 5 with LinearGutmanSplitStrategy

use of org.apache.druid.collections.spatial.split.LinearGutmanSplitStrategy in project druid by druid-io.

the class ImmutableRTreeTest method testSearchWithSplit3Roaring.

@Test
public void testSearchWithSplit3Roaring() {
    BitmapFactory bf = new RoaringBitmapFactory();
    RTree tree = new RTree(2, new LinearGutmanSplitStrategy(0, 50, bf), bf);
    tree.insert(new float[] { 0.0f, 0.0f }, 0);
    tree.insert(new float[] { 1.0f, 3.0f }, 1);
    tree.insert(new float[] { 4.0f, 2.0f }, 2);
    tree.insert(new float[] { 7.0f, 3.0f }, 3);
    tree.insert(new float[] { 8.0f, 6.0f }, 4);
    Random rand = ThreadLocalRandom.current();
    for (int i = 5; i < 5000; i++) {
        tree.insert(new float[] { (float) (rand.nextFloat() * 10 + 10.0), (float) (rand.nextFloat() * 10 + 10.0) }, i);
    }
    ImmutableRTree searchTree = ImmutableRTree.newImmutableFromMutable(tree);
    Iterable<ImmutableBitmap> points = searchTree.search(new RadiusBound(new float[] { 0.0f, 0.0f }, 5));
    ImmutableBitmap finalSet = bf.union(points);
    Assert.assertTrue(finalSet.size() >= 3);
    Set<Integer> expected = Sets.newHashSet(0, 1, 2);
    IntIterator iter = finalSet.iterator();
    while (iter.hasNext()) {
        Assert.assertTrue(expected.contains(iter.next()));
    }
}
Also used : IntIterator(org.roaringbitmap.IntIterator) ImmutableBitmap(org.apache.druid.collections.bitmap.ImmutableBitmap) LinearGutmanSplitStrategy(org.apache.druid.collections.spatial.split.LinearGutmanSplitStrategy) Random(java.util.Random) ThreadLocalRandom(java.util.concurrent.ThreadLocalRandom) RadiusBound(org.apache.druid.collections.spatial.search.RadiusBound) BitmapFactory(org.apache.druid.collections.bitmap.BitmapFactory) ConciseBitmapFactory(org.apache.druid.collections.bitmap.ConciseBitmapFactory) RoaringBitmapFactory(org.apache.druid.collections.bitmap.RoaringBitmapFactory) RoaringBitmapFactory(org.apache.druid.collections.bitmap.RoaringBitmapFactory) Test(org.junit.Test)

Aggregations

BitmapFactory (org.apache.druid.collections.bitmap.BitmapFactory)20 ConciseBitmapFactory (org.apache.druid.collections.bitmap.ConciseBitmapFactory)20 RoaringBitmapFactory (org.apache.druid.collections.bitmap.RoaringBitmapFactory)20 LinearGutmanSplitStrategy (org.apache.druid.collections.spatial.split.LinearGutmanSplitStrategy)20 ImmutableBitmap (org.apache.druid.collections.bitmap.ImmutableBitmap)18 Test (org.junit.Test)17 IntIterator (org.roaringbitmap.IntIterator)14 RadiusBound (org.apache.druid.collections.spatial.search.RadiusBound)13 Random (java.util.Random)12 ThreadLocalRandom (java.util.concurrent.ThreadLocalRandom)12 RectangularBound (org.apache.druid.collections.spatial.search.RectangularBound)3 Stopwatch (com.google.common.base.Stopwatch)2 ByteBuffer (java.nio.ByteBuffer)2 HashSet (java.util.HashSet)2 ImmutableRTreeObjectStrategy (org.apache.druid.segment.data.ImmutableRTreeObjectStrategy)1 Before (org.junit.Before)1