Examples with ZkMetaStore com.alibaba.graphscope.groot.coordinator.ZkMetaStore used on opensource projects

Example 1 with ZkMetaStore

use of com.alibaba.graphscope.groot.coordinator.ZkMetaStore in project GraphScope by alibaba.

the class ZkMetaStoreTest method testMetaStore.

@Test
void testMetaStore() throws Exception {
    try (TestingServer testingServer = new TestingServer(-1)) {
        int zkPort = testingServer.getPort();
        Configs configs = Configs.newBuilder().put(ZkConfig.ZK_CONNECT_STRING.getKey(), "localhost:" + zkPort).put(ZkConfig.ZK_BASE_PATH.getKey(), "test_meta_store").build();
        CuratorFramework curator = CuratorUtils.makeCurator(configs);
        curator.start();
        MetaStore metaStore = new ZkMetaStore(configs, curator);
        String path = "test_path";
        String data = "test_data";
        assertFalse(metaStore.exists(path));
        metaStore.write(path, data.getBytes());
        assertTrue(metaStore.exists(path));
        assertEquals(new String(metaStore.read(path)), data);
        metaStore.delete(path);
        assertFalse(metaStore.exists(path));
        curator.close();
    }
}