Examples of org.apache.accumulo.core.client.Instance

org.apache.accumulo.core.client.Instance
This class represents the information a client needs to know to connect to an instance of accumulo.

    try {
      SecurityUtil.serverLogin();
      
      FileSystem fs = FileUtil.getFileSystem(CachedConfiguration.getInstance(), ServerConfiguration.getSiteConfiguration());
      String hostname = Accumulo.getLocalAddress(args);
      Instance instance = HdfsZooInstance.getInstance();
      ServerConfiguration conf = new ServerConfiguration(instance);
      Accumulo.init(fs, conf, "master");
      Master master = new Master(conf, fs, hostname);
      Accumulo.enableTracing(hostname, "master");
      master.run();

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    // reserve the table name in zookeeper or fail
    
    Utils.tableNameLock.lock();
    try {
      // write tableName & tableId to zookeeper
      Instance instance = HdfsZooInstance.getInstance();
      
      Utils.checkTableDoesNotExist(instance, tableInfo.tableName, tableInfo.tableId, TableOperation.CREATE);
      
      TableManager.getInstance().addTable(tableInfo.tableId, tableInfo.tableName, NodeExistsPolicy.OVERWRITE);

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    return new CreateImportDir(tableInfo);
  }
  
  @Override
  public void undo(long tid, Master env) throws Exception {
    Instance instance = HdfsZooInstance.getInstance();
    TableManager.getInstance().removeTable(tableInfo.tableId);
    Utils.unreserveTable(tableInfo.tableId, tid, true);
    Tables.clearCache(instance);
  }

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    // assuming only the master process is creating tables
    
    Utils.idLock.lock();
    try {
      Instance instance = HdfsZooInstance.getInstance();
      tableInfo.tableId = Utils.getNextTableId(tableInfo.tableName, instance);
      return new ImportSetupPermissions(tableInfo);
    } finally {
      Utils.idLock.unlock();
    }

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    Authorizations auths = new Authorizations("foo");
    Collection<Pair<Text,Text>> fetchColumns = Collections.singleton(new Pair<Text,Text>(new Text("foo"), new Text("bar")));
    boolean isolated = true, localIters = true;
    Level level = Level.WARN;


    Instance inst = new MockInstance(instance);
    Connector connector = inst.getConnector(username, password);
    connector.tableOperations().create(table);


    AccumuloInputFormat.setConnectorInfo(job, username, password);
    AccumuloInputFormat.setInputTableName(job, table);
    AccumuloInputFormat.setScanAuthorizations(job, auths);

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    argsList.add("--old");
    argsList.add("--new");
    argsList.addAll(Arrays.asList(args));
    opts.parseArgs(ChangeSecret.class.getName(), argsList.toArray(new String[0]));
    FileSystem fs = FileSystem.get(CachedConfiguration.getInstance());
    Instance inst = opts.getInstance();
    if (!verifyAccumuloIsDown(inst, opts.oldPass))
      System.exit(-1);
    String instanceId = rewriteZooKeeperInstance(inst, opts.oldPass, opts.newPass);
    updateHdfs(fs, inst, instanceId);
    if (opts.oldPass != null) {

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    zoo.exists(path, this);
  }
  
  public static void main(String[] args) throws Exception {
    SecurityUtil.serverLogin();
    Instance instance = HdfsZooInstance.getInstance();
    ServerConfiguration conf = new ServerConfiguration(instance);
    FileSystem fs = FileUtil.getFileSystem(CachedConfiguration.getInstance(), conf.getConfiguration());
    Accumulo.init(fs, conf, "tracer");
    String hostname = Accumulo.getLocalAddress(args);
    TraceServer server = new TraceServer(conf, hostname);

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  }
  
  private void test1(String[] metadata, String[] deletes, int expectedInitial, int expected) throws Exception {
    TCredentials auth = CredentialHelper.create("root", new PasswordToken(new byte[0]), "instance");
    
    Instance instance = new MockInstance();
    FileSystem fs = FileSystem.getLocal(CachedConfiguration.getInstance());
    
    load(instance, metadata, deletes);
    
    SimpleGarbageCollector gc = new SimpleGarbageCollector();

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    opts.addSplits(Constants.METADATA_TABLE_NAME, splits);
  }
  
  @Test(timeout = 120000)
  public void testMetaSplit() throws Exception {
    Instance instance = new ZooKeeperInstance(cluster.getInstanceName(), cluster.getZooKeepers());
    Connector connector = instance.getConnector("root", new PasswordToken(secret));
    TableOperations opts = connector.tableOperations();
    for (int i = 1; i <= 10; i++) {
      opts.create("" + i);
    }
    opts.merge(Constants.METADATA_TABLE_NAME, new Text("01"), new Text("02"));

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  @Override
  public long isReady(long tid, Master master) throws Exception {
    if (!Utils.getReadLock(tableId, tid).tryLock())
      return 100;
    
    Instance instance = HdfsZooInstance.getInstance();
    Tables.clearCache(instance);
    if (Tables.getTableState(instance, tableId) == TableState.ONLINE) {
      long reserve1, reserve2;
      reserve1 = reserve2 = Utils.reserveHdfsDirectory(sourceDir, tid);
      if (reserve1 == 0)

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