Examples with RevFeature org.locationtech.geogig.api.RevFeature used on opensource projects

Example 6 with RevFeature

use of org.locationtech.geogig.api.RevFeature in project GeoGig by boundlessgeo.

the class MergeOpTest method testOctopusMergeSameFeatureChanges.

@Test
public void testOctopusMergeSameFeatureChanges() throws Exception {
    insertAndAdd(points1);
    geogig.command(CommitOp.class).call();
    geogig.command(BranchCreateOp.class).setName("branch1").call();
    geogig.command(BranchCreateOp.class).setName("branch2").call();
    geogig.command(BranchCreateOp.class).setName("branch3").call();
    insertAndAdd(points1_modified);
    geogig.command(CommitOp.class).call();
    geogig.command(CheckoutOp.class).setSource("branch1").call();
    insertAndAdd(points2);
    RevCommit branch1 = geogig.command(CommitOp.class).call();
    geogig.command(CheckoutOp.class).setSource("branch2").call();
    insertAndAdd(points3);
    RevCommit branch2 = geogig.command(CommitOp.class).call();
    geogig.command(CheckoutOp.class).setSource("branch3").call();
    insertAndAdd(points1_modified);
    RevCommit branch3 = geogig.command(CommitOp.class).call();
    geogig.command(CheckoutOp.class).setSource("master").call();
    geogig.command(MergeOp.class).addCommit(Suppliers.ofInstance(branch1.getId())).addCommit(Suppliers.ofInstance(branch2.getId())).addCommit(Suppliers.ofInstance(branch3.getId())).call();
    String path = NodeRef.appendChild(pointsName, idP1);
    Optional<RevFeature> revFeature = geogig.command(RevObjectParse.class).setRefSpec(Ref.HEAD + ":" + path).call(RevFeature.class);
    assertTrue(revFeature.isPresent());
    assertEquals(RevFeatureBuilder.build(points1_modified), revFeature.get());
}

Example 7 with RevFeature

use of org.locationtech.geogig.api.RevFeature in project GeoGig by boundlessgeo.

the class OSMMapOp method getFeatures.

private Iterator<Feature> getFeatures(String ref) {
    Optional<ObjectId> id = command(RevParse.class).setRefSpec(ref).call();
    if (!id.isPresent()) {
        return Iterators.emptyIterator();
    }
    LsTreeOp op = command(LsTreeOp.class).setStrategy(Strategy.DEPTHFIRST_ONLY_FEATURES).setReference(ref);
    Iterator<NodeRef> iterator = op.call();
    Function<NodeRef, Feature> nodeRefToFeature = new Function<NodeRef, Feature>() {

        private final //
        Map<String, FeatureBuilder> builders = //
        ImmutableMap.<//
        String, //
        FeatureBuilder>of(//
        OSMUtils.NODE_TYPE_NAME, //
        new FeatureBuilder(RevFeatureTypeImpl.build(OSMUtils.nodeType())), //
        OSMUtils.WAY_TYPE_NAME, new FeatureBuilder(RevFeatureTypeImpl.build(OSMUtils.wayType())));

        private final RevObjectParse parseCommand = command(RevObjectParse.class);

        @Override
        @Nullable
        public Feature apply(@Nullable NodeRef ref) {
            RevFeature revFeature = parseCommand.setObjectId(ref.objectId()).call(RevFeature.class).get();
            final String parentPath = ref.getParentPath();
            FeatureBuilder featureBuilder = builders.get(parentPath);
            String fid = ref.name();
            Feature feature = featureBuilder.build(fid, revFeature);
            return feature;
        }
    };
    return Iterators.transform(iterator, nodeRefToFeature);
}

Example 8 with RevFeature

use of org.locationtech.geogig.api.RevFeature in project GeoGig by boundlessgeo.

the class OSMUnmapOp method _call.

@Override
protected RevTree _call() {
    Optional<OSMMappingLogEntry> entry = command(ReadOSMMappingLogEntry.class).setPath(path).call();
    if (entry.isPresent()) {
        Optional<Mapping> opt = command(ReadOSMMapping.class).setEntry(entry.get()).call();
        if (opt.isPresent()) {
            mapping = opt.get();
        }
    }
    Iterator<NodeRef> iter = command(LsTreeOp.class).setReference(path).setStrategy(Strategy.FEATURES_ONLY).call();
    FeatureMapFlusher flusher = new FeatureMapFlusher(workingTree());
    while (iter.hasNext()) {
        NodeRef node = iter.next();
        RevFeature revFeature = command(RevObjectParse.class).setObjectId(node.objectId()).call(RevFeature.class).get();
        RevFeatureType revFeatureType = command(RevObjectParse.class).setObjectId(node.getMetadataId()).call(RevFeatureType.class).get();
        List<PropertyDescriptor> descriptors = revFeatureType.sortedDescriptors();
        ImmutableList<Optional<Object>> values = revFeature.getValues();
        SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder((SimpleFeatureType) revFeatureType.type());
        String id = null;
        for (int i = 0; i < descriptors.size(); i++) {
            PropertyDescriptor descriptor = descriptors.get(i);
            if (descriptor.getName().getLocalPart().equals("id")) {
                id = values.get(i).get().toString();
            }
            Optional<Object> value = values.get(i);
            featureBuilder.set(descriptor.getName(), value.orNull());
        }
        Preconditions.checkNotNull(id, "No 'id' attribute found");
        SimpleFeature feature = featureBuilder.buildFeature(id);
        unmapFeature(feature, flusher);
    }
    flusher.flushAll();
    if (entry.isPresent()) {
        Iterator<DiffEntry> diffs = command(DiffTree.class).setPathFilter(path).setNewTree(workingTree().getTree().getId()).setOldTree(entry.get().getPostMappingId()).call();
        while (diffs.hasNext()) {
            DiffEntry diff = diffs.next();
            if (diff.changeType().equals(DiffEntry.ChangeType.REMOVED)) {
                ObjectId featureId = diff.getOldObject().getNode().getObjectId();
                RevFeature revFeature = command(RevObjectParse.class).setObjectId(featureId).call(RevFeature.class).get();
                RevFeatureType revFeatureType = command(RevObjectParse.class).setObjectId(diff.getOldObject().getMetadataId()).call(RevFeatureType.class).get();
                List<PropertyDescriptor> descriptors = revFeatureType.sortedDescriptors();
                ImmutableList<Optional<Object>> values = revFeature.getValues();
                SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder((SimpleFeatureType) revFeatureType.type());
                String id = null;
                for (int i = 0; i < descriptors.size(); i++) {
                    PropertyDescriptor descriptor = descriptors.get(i);
                    if (descriptor.getName().getLocalPart().equals("id")) {
                        id = values.get(i).get().toString();
                    }
                    Optional<Object> value = values.get(i);
                    featureBuilder.set(descriptor.getName(), value.orNull());
                }
                Preconditions.checkNotNull(id, "No 'id' attribute found");
                SimpleFeature feature = featureBuilder.buildFeature(id);
                Class<?> clazz = feature.getDefaultGeometryProperty().getType().getBinding();
                String deletePath = clazz.equals(Point.class) ? OSMUtils.NODE_TYPE_NAME : OSMUtils.WAY_TYPE_NAME;
                workingTree().delete(deletePath, id);
            }
        }
    }
    return workingTree().getTree();
}

Example 9 with RevFeature

use of org.locationtech.geogig.api.RevFeature in project GeoGig by boundlessgeo.

the class OSMUnmapOp method unmapNode.

private void unmapNode(SimpleFeature feature, FeatureMapFlusher mapFlusher) {
    boolean modified = false;
    String id = feature.getID();
    SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(OSMUtils.nodeType());
    Optional<RevFeature> rawFeature = command(RevObjectParse.class).setRefSpec("WORK_HEAD:" + OSMUtils.NODE_TYPE_NAME + "/" + id).call(RevFeature.class);
    Map<String, String> tagsMap = Maps.newHashMap();
    long timestamp = System.currentTimeMillis();
    int version = 1;
    long changeset = -1;
    String user = UNKNOWN_USER;
    Collection<Tag> tags = Lists.newArrayList();
    if (rawFeature.isPresent()) {
        ImmutableList<Optional<Object>> values = rawFeature.get().getValues();
        tags = OSMUtils.buildTagsCollectionFromString(values.get(NODE_TAGS_FIELD_INDEX).get().toString());
        for (Tag tag : tags) {
            tagsMap.put(tag.getKey(), tag.getValue());
        }
        Optional<Object> timestampOpt = values.get(NODE_TIMESTAMP_FIELD_INDEX);
        if (timestampOpt.isPresent()) {
            timestamp = ((Long) timestampOpt.get()).longValue();
        }
        Optional<Object> versionOpt = values.get(NODE_VERSION_FIELD_INDEX);
        if (versionOpt.isPresent()) {
            version = ((Integer) versionOpt.get()).intValue();
        }
        Optional<Object> changesetOpt = values.get(NODE_CHANGESET_FIELD_INDEX);
        if (changesetOpt.isPresent()) {
            changeset = ((Long) changesetOpt.get()).longValue();
        }
        Optional<Object> userOpt = values.get(NODE_USER_FIELD_INDEX);
        if (userOpt.isPresent()) {
            user = (String) userOpt.get();
        }
    }
    Map<String, String> unaliased = Maps.newHashMap();
    Collection<Property> properties = feature.getProperties();
    for (Property property : properties) {
        String name = property.getName().getLocalPart();
        if (name.equals("id") || Geometry.class.isAssignableFrom(property.getDescriptor().getType().getBinding())) {
            continue;
        }
        Object value = property.getValue();
        if (value != null) {
            String tagName = name;
            if (mapping != null) {
                if (unaliased.containsKey(name)) {
                    tagName = unaliased.get(name);
                } else {
                    tagName = mapping.getTagNameFromAlias(path, tagName);
                    unaliased.put(name, tagName);
                }
            }
            if (!DefaultField.isDefaultField(tagName)) {
                if (tagsMap.containsKey(tagName)) {
                    if (!modified) {
                        String oldValue = tagsMap.get(tagName);
                        modified = !value.equals(oldValue);
                    }
                } else {
                    modified = true;
                }
                tagsMap.put(tagName, value.toString());
            }
        }
    }
    if (!modified && rawFeature.isPresent()) {
        // no changes after unmapping tags, so there's nothing else to do
        return;
    }
    Collection<Tag> newTags = Lists.newArrayList();
    Set<Entry<String, String>> entries = tagsMap.entrySet();
    for (Entry<String, String> entry : entries) {
        newTags.add(new Tag(entry.getKey(), entry.getValue()));
    }
    featureBuilder.set("tags", OSMUtils.buildTagsString(newTags));
    featureBuilder.set("location", feature.getDefaultGeometry());
    featureBuilder.set("changeset", changeset);
    featureBuilder.set("timestamp", timestamp);
    featureBuilder.set("version", version);
    featureBuilder.set("user", user);
    featureBuilder.set("visible", true);
    if (rawFeature.isPresent()) {
        // the feature has changed, so we cannot reuse some attributes.
        // We reconstruct the feature and insert it
        featureBuilder.set("timestamp", System.currentTimeMillis());
        featureBuilder.set("changeset", null);
        featureBuilder.set("version", null);
        featureBuilder.set("visible", true);
        mapFlusher.put("node", featureBuilder.buildFeature(id));
    } else {
        // The feature didn't exist, so we have to add it
        mapFlusher.put("node", featureBuilder.buildFeature(id));
    }
}

Example 10 with RevFeature

use of org.locationtech.geogig.api.RevFeature in project GeoGig by boundlessgeo.

the class RevFeatureSerializationTest method testFeatureReadWrite.

protected void testFeatureReadWrite(Feature feature) throws Exception {
    RevFeature newFeature = RevFeatureBuilder.build(feature);
    ObjectWriter<RevFeature> writer = factory.<RevFeature>createObjectWriter(TYPE.FEATURE);
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    writer.write(newFeature, output);
    byte[] data = output.toByteArray();
    assertTrue(data.length > 0);
    ObjectReader<RevFeature> reader = factory.<RevFeature>createObjectReader(TYPE.FEATURE);
    ByteArrayInputStream input = new ByteArrayInputStream(data);
    RevFeature feat = reader.read(newFeature.getId(), input);
    assertNotNull(feat);
    assertEquals(newFeature.getValues().size(), feat.getValues().size());
    for (int i = 0; i < newFeature.getValues().size(); i++) {
        assertEquals(newFeature.getValues().get(i).orNull(), feat.getValues().get(i).orNull());
    }
}