Examples with Datum com.alibaba.nacos.naming.consistency.Datum used on opensource projects

Example 26 with Datum

use of com.alibaba.nacos.naming.consistency.Datum in project nacos by alibaba.

the class RaftStore method loadDatums.

/**
 * Load datum from cache file.
 *
 * @param notifier raft notifier
 * @param datums   cached datum map
 * @throws Exception any exception during load
 */
public synchronized void loadDatums(PersistentNotifier notifier, Map<String, Datum> datums) throws Exception {
    Datum datum;
    long start = System.currentTimeMillis();
    for (File cache : listCaches()) {
        if (cache.isDirectory() && cache.listFiles() != null) {
            for (File datumFile : cache.listFiles()) {
                datum = readDatum(datumFile, cache.getName());
                if (datum != null) {
                    datums.put(datum.key, datum);
                    if (notifier != null) {
                        NotifyCenter.publishEvent(ValueChangeEvent.builder().key(datum.key).action(DataOperation.CHANGE).build());
                    }
                }
            }
            continue;
        }
        datum = readDatum(cache, StringUtils.EMPTY);
        if (datum != null) {
            datums.put(datum.key, datum);
        }
    }
    Loggers.RAFT.info("finish loading all datums, size: {} cost {} ms.", datums.size(), (System.currentTimeMillis() - start));
}

Example 27 with Datum

use of com.alibaba.nacos.naming.consistency.Datum in project nacos by alibaba.

the class DistroController method onSyncDatum.

/**
 * Synchronize datum.
 *
 * @param dataMap data map
 * @return 'ok' if success
 * @throws Exception if failed
 */
@PutMapping("/datum")
public ResponseEntity onSyncDatum(@RequestBody Map<String, Datum<Instances>> dataMap) throws Exception {
    if (dataMap.isEmpty()) {
        Loggers.DISTRO.error("[onSync] receive empty entity!");
        throw new NacosException(NacosException.INVALID_PARAM, "receive empty entity!");
    }
    for (Map.Entry<String, Datum<Instances>> entry : dataMap.entrySet()) {
        if (KeyBuilder.matchEphemeralInstanceListKey(entry.getKey())) {
            String namespaceId = KeyBuilder.getNamespace(entry.getKey());
            String serviceName = KeyBuilder.getServiceName(entry.getKey());
            if (!serviceManager.containService(namespaceId, serviceName) && switchDomain.isDefaultInstanceEphemeral()) {
                serviceManager.createEmptyService(namespaceId, serviceName, true);
            }
            DistroHttpData distroHttpData = new DistroHttpData(createDistroKey(entry.getKey()), entry.getValue());
            distroProtocol.onReceive(distroHttpData);
        }
    }
    return ResponseEntity.ok("ok");
}

Example 28 with Datum

use of com.alibaba.nacos.naming.consistency.Datum in project nacos by alibaba.

the class RaftController method onDelete.

/**
 * Commit delete datum.
 *
 * @param request  http request
 * @param response http response
 * @return 'ok' if success
 * @throws Exception exception
 */
@DeleteMapping("/datum/commit")
public String onDelete(HttpServletRequest request, HttpServletResponse response) throws Exception {
    if (versionJudgement.allMemberIsNewVersion()) {
        throw new IllegalStateException("old raft protocol already stop");
    }
    response.setHeader("Content-Type", "application/json; charset=" + getAcceptEncoding(request));
    response.setHeader("Cache-Control", "no-cache");
    response.setHeader("Content-Encode", "gzip");
    String entity = IoUtils.toString(request.getInputStream(), "UTF-8");
    String value = URLDecoder.decode(entity, "UTF-8");
    value = URLDecoder.decode(value, "UTF-8");
    JsonNode jsonObject = JacksonUtils.toObj(value);
    Datum datum = JacksonUtils.toObj(jsonObject.get("datum").toString(), Datum.class);
    RaftPeer source = JacksonUtils.toObj(jsonObject.get("source").toString(), RaftPeer.class);
    raftConsistencyService.onRemove(datum, source);
    return "ok";
}

Example 29 with Datum

use of com.alibaba.nacos.naming.consistency.Datum in project nacos by alibaba.

the class RaftStoreTest method wrietDatum.

@Test
public void wrietDatum() throws Exception {
    Datum<Instances> datum = new Datum<>();
    String key = KeyBuilder.buildInstanceListKey(TEST_NAMESPACE, TEST_SERVICE_NAME, false);
    datum.key = key;
    datum.timestamp.getAndIncrement();
    datum.value = new Instances();
    Instance instance = new Instance("1.1.1.1", 1, TEST_CLUSTER_NAME);
    datum.value.getInstanceList().add(instance);
    instance = new Instance("2.2.2.2", 2, TEST_CLUSTER_NAME);
    datum.value.getInstanceList().add(instance);
    raftStore.write(datum);
    raftCore.init();
    Datum result = raftCore.getDatum(key);
    Assert.assertEquals(key, result.key);
    Assert.assertEquals(1, result.timestamp.intValue());
    Assert.assertEquals(datum.value.toString(), result.value.toString());
}