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本文整理了Java中org.apache.accumulo.fate.zookeeper.ZooCacheFactory
类的一些代码示例,展示了ZooCacheFactory
类的具体用法。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。ZooCacheFactory
类的具体详情如下:
包路径:org.apache.accumulo.fate.zookeeper.ZooCacheFactory
类名称:ZooCacheFactory
[英]A factory for ZooCache instances.
[中]ZooCache实例的工厂。
代码示例来源:origin: apache/accumulo
public ZooLock(String zookeepers, int timeInMillis, String scheme, byte[] auth, String path) {
this(new ZooCacheFactory().getZooCache(zookeepers, timeInMillis),
ZooReaderWriter.getInstance(zookeepers, timeInMillis, scheme, auth), path);
}
代码示例来源:origin: apache/accumulo
/**
* Gets a {@link ZooCache}. The same object may be returned for multiple calls with the same
* arguments.
*
* @param zooKeepers
* comma-separated list of ZooKeeper host[:port]s
* @param sessionTimeout
* session timeout
* @return cache object
*/
public ZooCache getZooCache(String zooKeepers, int sessionTimeout) {
String key = zooKeepers + ":" + sessionTimeout;
synchronized (instances) {
if (!isEnabled()) {
throw new IllegalStateException("\"The Accumulo singleton for zookeeper caching is "
+ "disabled. This is likely caused by all AccumuloClients being closed");
}
ZooCache zc = instances.get(key);
if (zc == null) {
zc = new ZooCache(zooKeepers, sessionTimeout);
instances.put(key, zc);
}
return zc;
}
}
代码示例来源:origin: apache/accumulo
/**
* Gets a watched {@link ZooCache}. If the watcher is null, then the same (unwatched) object may
* be returned for multiple calls with the same remaining arguments.
*
* @param zooKeepers
* comma-separated list of ZooKeeper host[:port]s
* @param sessionTimeout
* session timeout
* @param watcher
* watcher (optional)
* @return cache object
*/
public ZooCache getZooCache(String zooKeepers, int sessionTimeout, Watcher watcher) {
if (watcher == null) {
// reuse
return getZooCache(zooKeepers, sessionTimeout);
}
return new ZooCache(zooKeepers, sessionTimeout, watcher);
}
代码示例来源:origin: apache/accumulo
/**
* @param config
* Client configuration for specifying connection options. See
* {@link ClientConfiguration} which extends Configuration with convenience methods
* specific to Accumulo.
* @since 1.9.0
*/
public ZooKeeperInstance(ClientConfiguration config) {
this(config, new ZooCacheFactory());
}
代码示例来源:origin: apache/accumulo
private synchronized ZooCachePropertyAccessor getPropCacheAccessor() {
if (propCacheAccessor == null) {
synchronized (propCaches) {
PropCacheKey key = new PropCacheKey(context.getInstanceID(), tableId.canonicalID());
ZooCache propCache = propCaches.get(key);
if (propCache == null) {
propCache = zcf.getZooCache(context.getZooKeepers(),
context.getZooKeepersSessionTimeOut(), new TableConfWatcher(context));
propCaches.put(key, propCache);
}
propCacheAccessor = new ZooCachePropertyAccessor(propCache);
}
}
return propCacheAccessor;
}
代码示例来源:origin: org.apache.accumulo/accumulo-core
/**
* @param config
* Client configuration for specifying connection options. See
* {@link ClientConfiguration} which extends Configuration with convenience methods
* specific to Accumulo.
* @since 1.9.0
*/
public ZooKeeperInstance(ClientConfiguration config) {
this(config, new ZooCacheFactory());
}
代码示例来源:origin: apache/accumulo
/**
* Return the cached ZooCache for provided context. ZooCache is initially created with a watcher
* that will clear the TableMap cache for that instance when WatchedEvent occurs.
*/
private static ZooCache getZooCache(final ClientContext context) {
SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkPermission(TABLES_PERMISSION);
}
final String uuid = context.getInstanceID();
try {
return instanceToZooCache.get(uuid, () -> {
final String zks = context.getZooKeepers();
final int timeOut = context.getZooKeepersSessionTimeOut();
return new ZooCacheFactory().getZooCache(zks, timeOut,
watchedEvent -> instanceToMapCache.invalidate(uuid));
});
} catch (ExecutionException e) {
throw new RuntimeException(e);
}
}
代码示例来源:origin: apache/accumulo
private synchronized ZooCachePropertyAccessor getPropCacheAccessor() {
if (propCacheAccessor == null) {
synchronized (propCaches) {
PropCacheKey key = new PropCacheKey(context.getInstanceID(), namespaceId.canonicalID());
ZooCache propCache = propCaches.get(key);
if (propCache == null) {
propCache = zcf.getZooCache(context.getZooKeepers(),
context.getZooKeepersSessionTimeOut(), new NamespaceConfWatcher(context));
propCaches.put(key, propCache);
}
propCacheAccessor = new ZooCachePropertyAccessor(propCache);
}
}
return propCacheAccessor;
}
代码示例来源:origin: org.apache.accumulo/accumulo-core
ZookeeperLockChecker(Instance instance) {
this(instance, new ZooCacheFactory());
}
代码示例来源:origin: apache/accumulo
ServerInfo(SiteConfiguration siteConfig, String instanceName, String zooKeepers,
int zooKeepersSessionTimeOut) {
SingletonManager.setMode(Mode.SERVER);
this.siteConfig = siteConfig;
this.hadoopConf = new Configuration();
this.instanceName = instanceName;
this.zooKeepers = zooKeepers;
this.zooKeepersSessionTimeOut = zooKeepersSessionTimeOut;
try {
volumeManager = VolumeManagerImpl.get(siteConfig, hadoopConf);
} catch (IOException e) {
throw new IllegalStateException(e);
}
zooCache = new ZooCacheFactory().getZooCache(zooKeepers, zooKeepersSessionTimeOut);
String instanceNamePath = Constants.ZROOT + Constants.ZINSTANCES + "/" + instanceName;
byte[] iidb = zooCache.get(instanceNamePath);
if (iidb == null) {
throw new RuntimeException("Instance name " + instanceName + " does not exist in zookeeper. "
+ "Run \"accumulo org.apache.accumulo.server.util.ListInstances\" to see a list.");
}
instanceID = new String(iidb, UTF_8);
if (zooCache.get(Constants.ZROOT + "/" + instanceID) == null) {
if (instanceName == null) {
throw new RuntimeException("Instance id " + instanceID + " does not exist in zookeeper");
}
throw new RuntimeException("Instance id " + instanceID + " pointed to by the name "
+ instanceName + " does not exist in zookeeper");
}
}
代码示例来源:origin: apache/accumulo
public void process(WatchedEvent arg0) {}
};
propCache = zcf.getZooCache(context.getZooKeepers(), context.getZooKeepersSessionTimeOut(),
watcher);
config = new ZooConfiguration(context, propCache, parent);
代码示例来源:origin: org.apache.accumulo/accumulo-core
RootTabletLocator(TabletServerLockChecker lockChecker) {
this(lockChecker, new ZooCacheFactory());
}
代码示例来源:origin: apache/accumulo
ServerInfo(SiteConfiguration config) {
SingletonManager.setMode(Mode.SERVER);
siteConfig = config;
hadoopConf = new Configuration();
try {
volumeManager = VolumeManagerImpl.get(siteConfig, hadoopConf);
} catch (IOException e) {
throw new IllegalStateException(e);
}
Path instanceIdPath = ServerUtil.getAccumuloInstanceIdPath(volumeManager);
instanceID = ZooUtil.getInstanceIDFromHdfs(instanceIdPath, config, hadoopConf);
zooKeepers = config.get(Property.INSTANCE_ZK_HOST);
zooKeepersSessionTimeOut = (int) config.getTimeInMillis(Property.INSTANCE_ZK_TIMEOUT);
zooCache = new ZooCacheFactory().getZooCache(zooKeepers, zooKeepersSessionTimeOut);
instanceName = InstanceOperationsImpl.lookupInstanceName(zooCache, UUID.fromString(instanceID));
}
代码示例来源:origin: apache/accumulo
ZooKeeperInstance(ClientConfiguration config, ZooCacheFactory zcf) {
checkArgument(config != null, "config is null");
// Enable singletons before before getting a zoocache
SingletonManager.setMode(Mode.CONNECTOR);
this.clientConf = config;
this.instanceId = clientConf.get(ClientConfiguration.ClientProperty.INSTANCE_ID);
this.instanceName = clientConf.get(ClientConfiguration.ClientProperty.INSTANCE_NAME);
if ((instanceId == null) == (instanceName == null))
throw new IllegalArgumentException(
"Expected exactly one of instanceName and instanceId to be set; "
+ (instanceName == null ? "neither" : "both") + " were set");
this.zooKeepers = clientConf.get(ClientConfiguration.ClientProperty.INSTANCE_ZK_HOST);
this.zooKeepersSessionTimeOut = (int) ConfigurationTypeHelper
.getTimeInMillis(clientConf.get(ClientConfiguration.ClientProperty.INSTANCE_ZK_TIMEOUT));
zooCache = zcf.getZooCache(zooKeepers, zooKeepersSessionTimeOut);
if (instanceName != null) {
// Validates that the provided instanceName actually exists
getInstanceID();
}
}
代码示例来源:origin: org.apache.accumulo/accumulo-core
/**
* @param config
* Client configuration for specifying connection options. See
* {@link ClientConfiguration} which extends Configuration with convenience methods
* specific to Accumulo.
* @since 1.6.0
* @deprecated since 1.9.0; will be removed in 2.0.0 to eliminate commons config leakage into
* Accumulo API; use {@link #ZooKeeperInstance(ClientConfiguration)} instead.
*/
@Deprecated
public ZooKeeperInstance(Configuration config) {
this(config, new ZooCacheFactory());
}
代码示例来源:origin: apache/accumulo
public ClientContext(SingletonReservation reservation, ClientInfo info,
AccumuloConfiguration serverConf) {
this.info = info;
this.hadoopConf = info.getHadoopConf();
zooCache = new ZooCacheFactory().getZooCache(info.getZooKeepers(),
info.getZooKeepersSessionTimeOut());
this.serverConf = serverConf;
timeoutSupplier = memoizeWithExpiration(
() -> getConfiguration().getTimeInMillis(Property.GENERAL_RPC_TIMEOUT));
sslSupplier = memoizeWithExpiration(() -> SslConnectionParams.forClient(getConfiguration()));
saslSupplier = memoizeWithExpiration(
() -> SaslConnectionParams.from(getConfiguration(), getCredentials().getToken()));
this.singletonReservation = Objects.requireNonNull(reservation);
this.tableops = new TableOperationsImpl(this);
this.namespaceops = new NamespaceOperationsImpl(this, tableops);
}
代码示例来源:origin: org.apache.accumulo/accumulo-fate
/**
* Gets a watched {@link ZooCache}. If the watcher is null, then the same (unwatched) object may
* be returned for multiple calls with the same remaining arguments.
*
* @param zooKeepers
* comma-seprated list of ZooKeeper host[:port]s
* @param sessionTimeout
* session timeout
* @param watcher
* watcher (optional)
* @return cache object
*/
public ZooCache getZooCache(String zooKeepers, int sessionTimeout, Watcher watcher) {
if (watcher == null) {
// reuse
return getZooCache(zooKeepers, sessionTimeout);
}
return new ZooCache(zooKeepers, sessionTimeout, watcher);
}
代码示例来源:origin: org.apache.accumulo/accumulo-server-base
/**
* Gets a configuration object for the given instance with the given parent. Repeated calls will
* return the same object.
*
* @param inst
* instance; if null, instance is determined from HDFS
* @param parent
* parent configuration (required)
* @return configuration
*/
public ZooConfiguration getInstance(Instance inst, AccumuloConfiguration parent) {
return getInstance(inst, new ZooCacheFactory(), parent);
}
}
代码示例来源:origin: org.apache.accumulo/accumulo-fate
public ZooLock(String zookeepers, int timeInMillis, String scheme, byte[] auth, String path) {
this(new ZooCacheFactory().getZooCache(zookeepers, timeInMillis),
ZooReaderWriter.getInstance(zookeepers, timeInMillis, scheme, auth), path);
}
代码示例来源:origin: org.apache.accumulo/accumulo-core
ZookeeperLockChecker(Instance instance, ZooCacheFactory zcf) {
zc = zcf.getZooCache(instance.getZooKeepers(), instance.getZooKeepersSessionTimeOut());
this.root = ZooUtil.getRoot(instance) + Constants.ZTSERVERS;
}
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