How to use the pygw.base.GeoWaveObject function in pygw

def print_obj(to_print, verbose=False):
    """
    Print method to help with debugging.
    """
    if isinstance(to_print, GeoWaveObject):
        to_print = to_print._java_ref
    print(java_gateway.entry_point.getDebug().printObject(to_print, verbose))

#
# Copyright (c) 2013-2019 Contributors to the Eclipse Foundation
#
# See the NOTICE file distributed with this work for additional information regarding copyright
# ownership. All rights reserved. This program and the accompanying materials are made available
# under the terms of the Apache License, Version 2.0 which accompanies this distribution and is
# available at http://www.apache.org/licenses/LICENSE-2.0.txt
#===============================================================================================

from pygw.base import GeoWaveObject
from pygw.base.type_conversions import GeometryType

from .simple_feature_type import SimpleFeatureType

class SimpleFeature(GeoWaveObject):
    """
    A Simple (Vector) Feature.
    """

    def __init__(self, feature_type, java_ref):
        assert isinstance(feature_type, SimpleFeatureType)
        self._feature_type = feature_type
        super().__init__(java_ref)

    def get_id(self):
        """
        Returns:
            The ID of the feature.
        """
        return self._java_ref.getID()

#
# Copyright (c) 2013-2019 Contributors to the Eclipse Foundation
#
# See the NOTICE file distributed with this work for additional information regarding copyright
# ownership. All rights reserved. This program and the accompanying materials are made available
# under the terms of the Apache License, Version 2.0 which accompanies this distribution and is
# available at http://www.apache.org/licenses/LICENSE-2.0.txt
#===============================================================================================

from pygw.base import GeoWaveObject

class SimpleFeatureType(GeoWaveObject):
    """
    Defines a schema for vector features.
    """

    def __init__(self, java_ref, attributes):
        self.attribute_dict = {}
        for a in attributes:
            self.attribute_dict[a.descriptor] = a
        self.attribute_list = attributes
        super().__init__(java_ref)

    def get_type_name(self):
        """
        Returns:
            The name of the feature type.
        """

#
# Copyright (c) 2013-2019 Contributors to the Eclipse Foundation
#
# See the NOTICE file distributed with this work for additional information regarding copyright
# ownership. All rights reserved. This program and the accompanying materials are made available
# under the terms of the Apache License, Version 2.0 which accompanies this distribution and is
# available at http://www.apache.org/licenses/LICENSE-2.0.txt
#===============================================================================================

from pygw.base import GeoWaveObject

from .index import Index

class IndexBuilder(GeoWaveObject):
    """
    Base class for building indices.
    """

    def set_num_partitions(self, num_partitions):
        """
        Sets the number of partitions for the index to use.

        Args:
            num_partitions (int): The number of partitions to use.
        Returns:
            This index builder.
        """
        self._java_ref.setNumPartitions(num_partitions)
        return self

filter_list.append(filter)
    objects_array = java_gateway.new_array(java_pkg.java.lang.Object, 1)
    objects_array[0] = filter_list
    return method.invoke(j_filter_factory, objects_array)

def _invoke_filter_method_by_name(j_filter_factory, name, filter):
    filter_factory_class = j_filter_factory.getClass()
    filter_class = reflection_util.classForName("org.opengis.filter.Filter")
    class_array = java_gateway.new_array(java_pkg.java.lang.Class, 1)
    class_array[0] = filter_class
    method = filter_factory_class.getMethod(name, class_array)
    objects_array = java_gateway.new_array(java_pkg.java.lang.Object, 1)
    objects_array[0] = filter
    return method.invoke(j_filter_factory, objects_array)

class FilterFactory(GeoWaveObject):
    """
    Filter factory for constructing filters to be used in vector queries. Methods
    of this factory generally return either a Filter or Expression which can be used
    in additional method calls.
    """

    def __init__(self):
        j_filter_factory = java_pkg.org.geotools.filter.FilterFactoryImpl()
        super().__init__(j_filter_factory)

    def id(self, fids):
        """
        Constructs a filter that matches a set of feature IDs.

        Args:
            fids (list of str): The list of feature IDs to match.