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# Copyright 2016 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# =*= License: GPL-3+ =*=
import obnamlib
class CowTree(object):
def __init__(self):
self._store = None
self._leaf = obnamlib.CowLeaf()
def set_leaf_store(self, leaf_store):
self._store = leaf_store
def set_list_node(self, leaf_id):
self._leaf = self._store.get_leaf(leaf_id)
def lookup(self, key):
return self._leaf.lookup(key)
def insert(self, key, value):
self._leaf.insert(key, value)
def commit(self):
return self._store.put_leaf(self._leaf)
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