/** Returns true if the queue contains a task with the specified async id. */ public boolean containsTaskWithRequestId(String requestIdKey, String requestId) throws KeeperException, InterruptedException { List<String> childNames = zookeeper.getChildren(dir, null, true); stats.setQueueLength(childNames.size()); for (String childName : childNames) { if (childName != null && childName.startsWith(PREFIX)) { try { byte[] data = zookeeper.getData(dir + "/" + childName, null, null, true); if (data != null) { ZkNodeProps message = ZkNodeProps.load(data); if (message.containsKey(requestIdKey)) { LOG.debug(">>>> {}", message.get(requestIdKey)); if (message.get(requestIdKey).equals(requestId)) return true; } } } catch (KeeperException.NoNodeException e) { // Another client removed the node first, try next } } } return false; }
@Test public void testReadShards() throws Exception { String zkDir = dataDir.getAbsolutePath() + File.separator + "zookeeper/server1/data"; ZkTestServer server = null; SolrZkClient zkClient = null; ZkController zkController = null; try { server = new ZkTestServer(zkDir); server.run(); AbstractZkTestCase.makeSolrZkNode(server.getZkHost()); zkClient = new SolrZkClient(server.getZkAddress(), TIMEOUT); String shardsPath = "/collections/collection1/shards/shardid1"; zkClient.makePath(shardsPath); addShardToZk(zkClient, shardsPath, SHARD1, URL1); addShardToZk(zkClient, shardsPath, SHARD2, URL2); addShardToZk(zkClient, shardsPath, SHARD3, URL3); if (DEBUG) { zkClient.printLayoutToStdOut(); } zkController = new ZkController(server.getZkAddress(), TIMEOUT, 1000, "localhost", "8983", "solr"); zkController.getZkStateReader().updateCloudState(true); CloudState cloudInfo = zkController.getCloudState(); Map<String, Slice> slices = cloudInfo.getSlices("collection1"); assertNotNull(slices); for (Slice slice : slices.values()) { Map<String, ZkNodeProps> shards = slice.getShards(); if (DEBUG) { for (String shardName : shards.keySet()) { ZkNodeProps props = shards.get(shardName); System.out.println("shard:" + shardName); System.out.println("props:" + props.toString()); } } assertNotNull(shards.get(SHARD1)); assertNotNull(shards.get(SHARD2)); assertNotNull(shards.get(SHARD3)); ZkNodeProps props = shards.get(SHARD1); assertEquals(URL1, props.get(ZkStateReader.URL_PROP)); assertEquals(TEST_NODE_NAME, props.get(ZkStateReader.NODE_NAME)); props = shards.get(SHARD2); assertEquals(URL2, props.get(ZkStateReader.URL_PROP)); assertEquals(TEST_NODE_NAME, props.get(ZkStateReader.NODE_NAME)); props = shards.get(SHARD3); assertEquals(URL3, props.get(ZkStateReader.URL_PROP)); assertEquals(TEST_NODE_NAME, props.get(ZkStateReader.NODE_NAME)); } } finally { if (zkClient != null) { zkClient.close(); } if (zkController != null) { zkController.close(); } if (server != null) { server.shutdown(); } } }