tree 81b72330a156527a2bfcaf6b9ab3702b8afe5b62
parent a9a0300fdd0c4eedc4aeaa8a74c067e0e1776636
author Toshio Koide <t-koide@onlab.us> 1371154702 -0700
committer Toshio Koide <t-koide@onlab.us> 1371154702 -0700

add close() method to close GraphDBConnection via GraphDBOperation, and update interface class's definition