Examples with GeometryColumns mil.nga.geopackage.features.columns.GeometryColumns used on opensource projects

Example 1 with GeometryColumns

use of mil.nga.geopackage.features.columns.GeometryColumns in project hale by halestudio.

the class GeopackageInstanceWriter method createTableIfNecessary.

private GeopackageTableType createTableIfNecessary(GeoPackage geoPackage, String tableName, TypeDefinition type, Instance instance, SimpleLog log) throws SQLException {
    if (geoPackage.getFeatureTables().contains(tableName)) {
        // table already exists
        return GeopackageTableType.FEATURE;
    }
    if (geoPackage.getAttributesTables().contains(tableName)) {
        // table already exists
        return GeopackageTableType.ATTRIBUTE;
    }
    // determine if we need a feature or attribute table
    Collection<? extends PropertyDefinition> allProperties = DefinitionUtil.getAllProperties(type).stream().filter(p -> {
        // AugmentedValue
        return p.getPropertyType().getConstraint(HasValueFlag.class).isEnabled() || p.getPropertyType().getConstraint(AugmentedValueFlag.class).isEnabled();
    }).collect(Collectors.toList());
    Optional<? extends PropertyDefinition> geometryProperty = allProperties.stream().filter(property -> {
        return property.getPropertyType().getConstraint(GeometryType.class).isGeometry();
    }).findFirst();
    List<QName> primaryPath = type.getConstraint(PrimaryKey.class).getPrimaryKeyPath();
    String primaryKeyColumn;
    if (primaryPath != null && !primaryPath.isEmpty()) {
        primaryKeyColumn = primaryPath.get(0).getLocalPart();
    } else {
        primaryKeyColumn = null;
    }
    GeopackageTableType tableType;
    if (geometryProperty.isPresent()) {
        // create feature table
        tableType = GeopackageTableType.FEATURE;
        PropertyDefinition geomProp = geometryProperty.get();
        // XXX generally only one geometry column supported?
        GeometryColumns geometryColumns = new GeometryColumns();
        geometryColumns.setId(new TableColumnKey(tableName, geomProp.getName().getLocalPart()));
        geometryColumns.setGeometryType(convertGeometryType(geomProp.getPropertyType().getConstraint(GeometryType.class).getBinding()));
        // not known at that point
        BoundingBox boundingBox = null;
        // determine SRS from GeometryMetadata or sample instance
        long srsId = determineSrsId(geoPackage, geomProp, instance, log);
        List<FeatureColumn> columns = allProperties.stream().map(p -> createFeatureColumn(p, primaryKeyColumn)).collect(Collectors.toList());
        if (primaryKeyColumn == null) {
            // primary key column seems to be always needed (without there
            // were errors reading the data)
            columns.add(FeatureColumn.createPrimaryKeyColumn(findIdName(columns)));
        }
        geoPackage.createFeatureTableWithMetadata(geometryColumns, boundingBox, srsId, columns);
        FeatureDao featureDao = geoPackage.getFeatureDao(tableName);
        String spatialIndexType = getParameter(PARAM_SPATIAL_INDEX_TYPE).as(String.class, DEFAULT_SPATIAL_INDEX_TYPE);
        switch(spatialIndexType.toLowerCase()) {
            case "nga":
                createFeatureTableIndex(geoPackage, featureDao);
                break;
            case "rtree":
                createRTreeIndex(geoPackage, featureDao);
                break;
            case "none":
                // Do nothing
                break;
            default:
                throw new IllegalArgumentException(MessageFormat.format("Unknown or unsupported spatial index type \"{0}\"", spatialIndexType));
        }
    } else {
        // create attributes table
        tableType = GeopackageTableType.ATTRIBUTE;
        List<AttributesColumn> columns = allProperties.stream().map(p -> createAttributeColumn(p, primaryKeyColumn)).collect(Collectors.toList());
        if (primaryKeyColumn == null) {
            // primary key column seems to be always needed (without there
            // were errors reading the data)
            columns.add(AttributesColumn.createPrimaryKeyColumn(findIdName(columns)));
        }
        geoPackage.createAttributesTable(tableName, columns);
    }
    return tableType;
}

Example 2 with GeometryColumns

use of mil.nga.geopackage.features.columns.GeometryColumns in project hale by halestudio.

the class GeopackageSchemaBuilder method buildSchema.

/**
 * Build a schema.
 *
 * @param gpkg the geopackage
 * @param location the schema location or <code>null</code>
 * @return the hale schema
 */
public Schema buildSchema(GeoPackage gpkg, URI location) {
    List<String> tables = gpkg.getFeatureTables();
    DefaultSchema schema = new DefaultSchema(defaultNamespace, location);
    tables.stream().forEach(table -> {
        try {
            FeatureDao features = gpkg.getFeatureDao(table);
            GeometryColumns geomColumns = gpkg.getGeometryColumnsDao().queryForTableName(table);
            schema.addType(buildType(features, geomColumns, schema));
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    });
    tables = gpkg.getAttributesTables();
    tables.stream().forEach(table -> {
        AttributesDao attributes = gpkg.getAttributesDao(table);
        schema.addType(buildType(attributes, null, schema));
    });
    return schema;
}