org.apache.accumulo.fate.zookeeper.ZooReader.<init>()方法的使用及代码示例

x33g5p2x  于2022-02-05 转载在 其他  
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本文整理了Java中org.apache.accumulo.fate.zookeeper.ZooReader.<init>()方法的一些代码示例，展示了ZooReader.<init>()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ZooReader.<init>()方法的具体详情如下：
包路径：org.apache.accumulo.fate.zookeeper.ZooReader
类名称：ZooReader
方法名：<init>

ZooReader.<init>介绍

暂无

代码示例

代码示例来源：origin: apache/accumulo

/**
 * Creates a new cache. The given watcher is called whenever a watched node changes.
 *
 * @param zooKeepers
 *          comma-separated list of ZooKeeper host[:port]s
 * @param sessionTimeout
 *          ZooKeeper session timeout
 * @param watcher
 *          watcher object
 */
public ZooCache(String zooKeepers, int sessionTimeout, Watcher watcher) {
 this(new ZooReader(zooKeepers, sessionTimeout), watcher);
}

代码示例来源：origin: apache/accumulo

public ZooArbitrator(ServerContext context) {
 this.context = context;
 rdr = new ZooReader(context.getZooKeepers(), context.getZooKeepersSessionTimeOut());
}

代码示例来源：origin: apache/accumulo

public static String getLocation(ClientContext context)
  throws KeeperException, InterruptedException {
 return getLocation(new ZooReader(context.getZooKeepers(), 30000), context);
}

代码示例来源：origin: apache/accumulo

static synchronized void listInstances(String keepers, boolean printAll, boolean printErrors) {
 errors = 0;
 System.out.println("INFO : Using ZooKeepers " + keepers);
 ZooReader rdr = new ZooReader(keepers, ZOOKEEPER_TIMER_MILLIS);
 ZooCache cache = new ZooCache(keepers, ZOOKEEPER_TIMER_MILLIS);
 TreeMap<String,UUID> instanceNames = getInstanceNames(rdr, printErrors);
 System.out.println();
 printHeader();
 for (Entry<String,UUID> entry : instanceNames.entrySet()) {
  printInstanceInfo(cache, entry.getKey(), entry.getValue(), printErrors);
 }
 TreeSet<UUID> instancedIds = getInstanceIDs(rdr, printErrors);
 instancedIds.removeAll(instanceNames.values());
 if (printAll) {
  for (UUID uuid : instancedIds) {
   printInstanceInfo(cache, null, uuid, printErrors);
  }
 } else if (instancedIds.size() > 0) {
  System.out.println();
  System.out.println("INFO : " + instancedIds.size()
    + " unamed instances were not printed, run with --print-all to see all instances");
 } else {
  System.out.println();
 }
 if (!printErrors && errors > 0) {
  System.err.println(
    "WARN : There were " + errors + " errors, run with --print-errors to see more info");
 }
}

代码示例来源：origin: apache/accumulo

public ZooTraceClient(HTraceConfiguration conf) {
 super(conf);
 String keepers = conf.get(DistributedTrace.TRACER_ZK_HOST);
 if (keepers == null)
  throw new IllegalArgumentException("Must configure " + DistributedTrace.TRACER_ZK_HOST);
 int timeout = conf.getInt(DistributedTrace.TRACER_ZK_TIMEOUT, DEFAULT_TIMEOUT);
 zoo = new ZooReader(keepers, timeout);
 path = conf.get(DistributedTrace.TRACER_ZK_PATH, Constants.ZTRACERS);
 setInitialTraceHosts();
}

代码示例来源：origin: apache/accumulo

public MasterReplicationCoordinator(Master master) {
 this(master, new ZooReader(master.getContext().getZooKeepers(),
   master.getContext().getZooKeepersSessionTimeOut()));
}

代码示例来源：origin: apache/accumulo

ZooReader reader = new ZooReader(context.getZooKeepers(),
  context.getZooKeepersSessionTimeOut());
replCoordinatorAddr = new String(reader.getData(zkPath, null), UTF_8);

代码示例来源：origin: org.apache.accumulo/accumulo-fate

/**
 * Creates a new cache. The given watcher is called whenever a watched node changes.
 *
 * @param zooKeepers
 *          comma-separated list of ZooKeeper host[:port]s
 * @param sessionTimeout
 *          ZooKeeper session timeout
 * @param watcher
 *          watcher object
 */
public ZooCache(String zooKeepers, int sessionTimeout, Watcher watcher) {
 this(new ZooReader(zooKeepers, sessionTimeout), watcher);
}

代码示例来源：origin: org.apache.accumulo/accumulo-core

public static String getLocation(Instance instance) throws KeeperException, InterruptedException {
  ZooReader zr = new ZooReader(instance.getZooKeepers(), 30000);
  byte[] loc = zr.getData(ZooUtil.getRoot(instance) + Constants.ZMONITOR_HTTP_ADDR, null);
  return loc == null ? null : new String(loc, UTF_8);
 }
}

代码示例来源：origin: org.apache.accumulo/accumulo-tracer

public ZooTraceClient(HTraceConfiguration conf) {
 super(conf);
 String keepers = conf.get(DistributedTrace.TRACER_ZK_HOST);
 if (keepers == null)
  throw new IllegalArgumentException("Must configure " + DistributedTrace.TRACER_ZK_HOST);
 int timeout = conf.getInt(DistributedTrace.TRACER_ZK_TIMEOUT, DEFAULT_TIMEOUT);
 zoo = new ZooReader(keepers, timeout);
 path = conf.get(DistributedTrace.TRACER_ZK_PATH, Constants.ZTRACERS);
 setInitialTraceHosts();
}

代码示例来源：origin: org.apache.accumulo/accumulo-server-base

static synchronized void listInstances(String keepers, boolean printAll, boolean printErrors) {
 errors = 0;
 System.out.println("INFO : Using ZooKeepers " + keepers);
 ZooReader rdr = new ZooReader(keepers, ZOOKEEPER_TIMER_MILLIS);
 ZooCache cache = new ZooCache(keepers, ZOOKEEPER_TIMER_MILLIS);
 TreeMap<String,UUID> instanceNames = getInstanceNames(rdr, printErrors);
 System.out.println();
 printHeader();
 for (Entry<String,UUID> entry : instanceNames.entrySet()) {
  printInstanceInfo(cache, entry.getKey(), entry.getValue(), printErrors);
 }
 TreeSet<UUID> instancedIds = getInstanceIDs(rdr, printErrors);
 instancedIds.removeAll(instanceNames.values());
 if (printAll) {
  for (UUID uuid : instancedIds) {
   printInstanceInfo(cache, null, uuid, printErrors);
  }
 } else if (instancedIds.size() > 0) {
  System.out.println();
  System.out.println("INFO : " + instancedIds.size()
    + " unamed instances were not printed, run with --print-all to see all instances");
 } else {
  System.out.println();
 }
 if (!printErrors && errors > 0) {
  System.err.println(
    "WARN : There were " + errors + " errors, run with --print-errors to see more info");
 }
}

代码示例来源：origin: org.apache.accumulo/accumulo-server

public static void main(String[] args) {
 opts.parseArgs(ListInstances.class.getName(), args);
 if (opts.keepers == null) {
  opts.keepers = ServerConfiguration.getSiteConfiguration().get(Property.INSTANCE_ZK_HOST);
 }
 System.out.println("INFO : Using ZooKeepers " + opts.keepers);
 ZooReader rdr = new ZooReader(opts.keepers, ZOOKEEPER_TIMER_MILLIS);
 ZooCache cache = new ZooCache(opts.keepers, ZOOKEEPER_TIMER_MILLIS);
 TreeMap<String,UUID> instanceNames = getInstanceNames(rdr);
 System.out.println();
 printHeader();
 for (Entry<String,UUID> entry : instanceNames.entrySet()) {
  printInstanceInfo(cache, entry.getKey(), entry.getValue());
 }
 TreeSet<UUID> instancedIds = getInstanceIDs(rdr);
 instancedIds.removeAll(instanceNames.values());
 if (opts.printAll) {
  for (UUID uuid : instancedIds) {
   printInstanceInfo(cache, null, uuid);
  }
 } else if (instancedIds.size() > 0) {
  System.out.println();
  System.out.println("INFO : " + instancedIds.size() + " unamed instances were not printed, run with --print-all to see all instances");
 } else {
  System.out.println();
 }
 if (!opts.printErrors && errors > 0) {
  System.err.println("WARN : There were " + errors + " errors, run with --print-errors to see more info");
 }
}

代码示例来源：origin: org.apache.accumulo/accumulo-test

Set<TServerInstance> getTServers(Instance instance) throws KeeperException, InterruptedException {
 Set<TServerInstance> result = new HashSet<>();
 ZooReader rdr = new ZooReader(instance.getZooKeepers(), instance.getZooKeepersSessionTimeOut());
 String base = ZooUtil.getRoot(instance) + Constants.ZTSERVERS;
 for (String child : rdr.getChildren(base)) {
  try {
   List<String> children = rdr.getChildren(base + "/" + child);
   if (children.size() > 0) {
    Collections.sort(children);
    Stat stat = new Stat();
    byte[] data = rdr.getData(base + "/" + child + "/" + children.get(0), stat);
    if (!"master".equals(new String(data, UTF_8))) {
     result.add(new TServerInstance(AddressUtil.parseAddress(child, false),
       stat.getEphemeralOwner()));
    }
   }
  } catch (KeeperException.NoNodeException ex) {
   // someone beat us too it
  }
 }
 return result;
}

代码示例来源：origin: org.apache.accumulo/accumulo-master

public MasterReplicationCoordinator(Master master) {
 this(master, new ZooReader(master.getInstance().getZooKeepers(),
   master.getInstance().getZooKeepersSessionTimeOut()));
}

代码示例来源：origin: org.apache.accumulo/accumulo-core

ZooReader reader = new ZooReader(instance.getZooKeepers(),
  instance.getZooKeepersSessionTimeOut());
replCoordinatorAddr = new String(reader.getData(zkPath, null), UTF_8);

代码示例来源：origin: org.apache.accumulo/accumulo-test

@Test
public void tserverReplicationServicePortsAreAdvertised() throws Exception {
 // Wait for the cluster to be up
 Connector conn = getConnector();
 Instance inst = conn.getInstance();
 // Wait for a tserver to come up to fulfill this request
 conn.tableOperations().create("foo");
 Scanner s = conn.createScanner("foo", Authorizations.EMPTY);
 Assert.assertEquals(0, Iterables.size(s));
 ZooReader zreader = new ZooReader(inst.getZooKeepers(), inst.getZooKeepersSessionTimeOut());
 Set<String> tserverHost = new HashSet<>();
 tserverHost.addAll(zreader.getChildren(ZooUtil.getRoot(inst) + Constants.ZTSERVERS));
 Set<HostAndPort> replicationServices = new HashSet<>();
 for (String tserver : tserverHost) {
  try {
   byte[] portData = zreader.getData(
     ZooUtil.getRoot(inst) + ReplicationConstants.ZOO_TSERVERS + "/" + tserver, null);
   HostAndPort replAddress = HostAndPort.fromString(new String(portData, UTF_8));
   replicationServices.add(replAddress);
  } catch (Exception e) {
   log.error("Could not find port for {}", tserver, e);
   Assert.fail("Did not find replication port advertisement for " + tserver);
  }
 }
 // Each tserver should also have equial replicaiton services running internally
 Assert.assertEquals("Expected an equal number of replication servicers and tservers",
   tserverHost.size(), replicationServices.size());
}

代码示例来源：origin: org.apache.accumulo/accumulo-test

ZooReader zreader = new ZooReader(cluster.getZooKeepers(), 30000);
String zpath = ZooUtil.getRoot(new ZooKeeperInstance(cluster.getClientConfig()))
  + RootTable.ZROOT_TABLET_PATH;

代码示例来源：origin: org.apache.accumulo/accumulo-test

ZooReader zreader = new ZooReader(cluster.getZooKeepers(), 30000);
String zpath = ZooUtil.getRoot(new ZooKeeperInstance(cluster.getClientConfig()))
  + RootTable.ZROOT_TABLET_PATH;

代码示例来源：origin: org.apache.accumulo/accumulo-test

Assert.assertEquals(0, Iterables.size(s));
ZooReader zreader = new ZooReader(inst.getZooKeepers(), inst.getZooKeepersSessionTimeOut());

代码示例来源：origin: org.apache.accumulo/accumulo-test

control.stopAllServers(ServerType.MONITOR);
ZooReader zreader = new ZooReader(c.getInstance().getZooKeepers(),
  c.getInstance().getZooKeepersSessionTimeOut());
ZooCache zcache = new ZooCache(zreader, null);

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