Package org.locationtech.geogig.api.plumbing.diff

Examples of org.locationtech.geogig.api.plumbing.diff.DepthTreeIterator$Children

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    private static Iterator<SimpleFeature> getFeatures(final RevTree typeTree,
            final ObjectDatabase database, final ObjectId defaultMetadataId,
            final ProgressListener progressListener) {

        Iterator<NodeRef> nodes = new DepthTreeIterator("", defaultMetadataId, typeTree, database,
                Strategy.FEATURES_ONLY);

        // progress reporting
        nodes = Iterators.transform(nodes, new Function<NodeRef, NodeRef>() {
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                throw new IllegalStateException("Unknown strategy: " + this.strategy);
            }

            RevTree tree = (RevTree) revObject.get();
            ObjectDatabase database = stagingDatabase();
            DepthTreeIterator iter = new DepthTreeIterator(path, metadataId, tree, database,
                    iterStrategy);
            iter.setBoundsFilter(refBoundsFilter);
            return iter;
        default:
            throw new IllegalArgumentException(String.format("Invalid reference: %s", ref));
        }
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    private void testResultingTreeSize(int numEntries) {
        RevTreeBuilder builder = createTree(numEntries, true);
        RevTree tree = builder.build();
        final long declaredSize = tree.size();

        Iterator<NodeRef> it = new DepthTreeIterator("", ObjectId.NULL, tree, odb,
                Strategy.RECURSIVE_FEATURES_ONLY);
        long itSize = 0;
        while (it.hasNext()) {
            it.next();
            itSize++;
        }
        assertEquals(numEntries, itSize);
        assertEquals(numEntries, declaredSize);
    }
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        System.err.println("Retrieved tree in " + sw);

        System.err.println("traversing with DepthTreeIterator...");
        sw.reset().start();
        int counted = 0;
        for (DepthTreeIterator it = new DepthTreeIterator("", ObjectId.NULL, tree, odb,
                Strategy.CHILDREN); it.hasNext(); counted++) {
            NodeRef ref = it.next();
            if ((counted + 1) % (numEntries / 10) == 0) {
                System.err.print("#" + (counted + 1));
            } else if ((counted + 1) % (numEntries / 100) == 0) {
                System.err.print('.');
            }
        }
        sw.stop();
        System.err.println("\nTraversed " + counted + " in " + sw + " ("
                + Math.round(counted / (sw.elapsed(TimeUnit.MILLISECONDS) / 1000D)) + "/s)\n");

        System.err.println("traversing with DepthTreeIterator...");
        sw.reset().start();
        counted = 0;
        for (DepthTreeIterator it = new DepthTreeIterator("", ObjectId.NULL, tree, odb,
                Strategy.CHILDREN); it.hasNext(); counted++) {
            NodeRef ref = it.next();
            if ((counted + 1) % (numEntries / 10) == 0) {
                System.err.print("#" + (counted + 1));
            } else if ((counted + 1) % (numEntries / 100) == 0) {
                System.err.print('.');
            }
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        // collect some keys to remove
        final Set<String> removedKeys = new HashSet<String>();
        {
            int i = 0;
            DepthTreeIterator it = new DepthTreeIterator("", ObjectId.NULL, tree, odb,
                    Strategy.CHILDREN);
            for (; it.hasNext(); i++) {
                NodeRef entry = it.next();
                if (i % 10 == 0) {
                    removedKeys.add(entry.path());
                }
            }
            assertEquals(100, removedKeys.size());
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        // collect some keys to remove
        final Set<String> removedKeys = new HashSet<String>();
        {
            int i = 0;
            DepthTreeIterator it = new DepthTreeIterator("", ObjectId.NULL, tree, odb,
                    Strategy.CHILDREN);
            for (; it.hasNext(); i++) {
                NodeRef entry = it.next();
                if (i % 10 == 0) {
                    removedKeys.add(entry.path());
                }
            }
            assertTrue(removedKeys.size() > 0);
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