# Copyright 2014 Pants project contributors (see CONTRIBUTORS.md).
# Licensed under the Apache License, Version 2.0 (see LICENSE).


class Exclude:
    """Represents a dependency exclude pattern to filter transitive dependencies against.

    :API: public
    """

    def __init__(self, org, name=None):
        """
        :param string org: Organization of the artifact to filter,
          known as groupId in Maven parlance.
        :param string name: Name of the artifact to filter in the org, or filter
          everything if unspecified.
        """
        self.org = org
        self._name = name

    @property
    def name(self):
        return self._name

    def __eq__(self, other):
        return all([other, type(other) == Exclude, self.org == other.org, self.name == other.name])

    def __lt__(self, other):
        return (self.org, self.name) < (other.org, other.name)

    def __gt__(self, other):
        return (other.org, other.name) < (self.org, self.name)

    def __hash__(self):
        return hash((self.org, self.name))

    def __ne__(self, other):
        return not self.__eq__(other)

    def __repr__(self):
        return "Exclude(org='{0}', name='{1}')".format(self.org, self.name)