本文整理汇总了Java中org.apache.hadoop.hdfs.protocolPB.NamenodeProtocolPB类的典型用法代码示例。如果您正苦于以下问题：Java NamenodeProtocolPB类的具体用法？Java NamenodeProtocolPB怎么用？Java NamenodeProtocolPB使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
NamenodeProtocolPB类属于org.apache.hadoop.hdfs.protocolPB包，在下文中一共展示了NamenodeProtocolPB类的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: createNNProxyWithNamenodeProtocol
import org.apache.hadoop.hdfs.protocolPB.NamenodeProtocolPB; //导入依赖的package包/类
private static NamenodeProtocol createNNProxyWithNamenodeProtocol(
InetSocketAddress address, Configuration conf, UserGroupInformation ugi,
boolean withRetries) throws IOException {
NamenodeProtocolPB proxy = (NamenodeProtocolPB) createNameNodeProxy(
address, conf, ugi, NamenodeProtocolPB.class);
if (withRetries) { // create the proxy with retries
RetryPolicy timeoutPolicy = RetryPolicies.exponentialBackoffRetry(5, 200,
TimeUnit.MILLISECONDS);
Map<String, RetryPolicy> methodNameToPolicyMap
= new HashMap<String, RetryPolicy>();
methodNameToPolicyMap.put("getBlocks", timeoutPolicy);
methodNameToPolicyMap.put("getAccessKeys", timeoutPolicy);
NamenodeProtocol translatorProxy =
new NamenodeProtocolTranslatorPB(proxy);
return (NamenodeProtocol) RetryProxy.create(
NamenodeProtocol.class, translatorProxy, methodNameToPolicyMap);
} else {
return new NamenodeProtocolTranslatorPB(proxy);
}
}
示例2: testNamenodeProtocol
import org.apache.hadoop.hdfs.protocolPB.NamenodeProtocolPB; //导入依赖的package包/类
@Test
public void testNamenodeProtocol() throws IOException {
NamenodeProtocol np =
NameNodeProxies.createNonHAProxy(conf,
nnAddress, NamenodeProtocol.class, UserGroupInformation.getCurrentUser(),
true).getProxy();
boolean exists = RpcClientUtil.isMethodSupported(np,
NamenodeProtocolPB.class, RPC.RpcKind.RPC_PROTOCOL_BUFFER,
RPC.getProtocolVersion(NamenodeProtocolPB.class), "rollEditLog");
assertTrue(exists);
exists = RpcClientUtil.isMethodSupported(np,
NamenodeProtocolPB.class, RPC.RpcKind.RPC_PROTOCOL_BUFFER,
RPC.getProtocolVersion(NamenodeProtocolPB.class), "bogusMethod");
assertFalse(exists);
}
示例3: createNNProxyWithNamenodeProtocol
import org.apache.hadoop.hdfs.protocolPB.NamenodeProtocolPB; //导入依赖的package包/类
private static NamenodeProtocol createNNProxyWithNamenodeProtocol(
InetSocketAddress address, Configuration conf, UserGroupInformation ugi,
boolean withRetries) throws IOException {
NamenodeProtocolPB proxy = (NamenodeProtocolPB) createNameNodeProxy(
address, conf, ugi, NamenodeProtocolPB.class, 0);
if (withRetries) { // create the proxy with retries
RetryPolicy timeoutPolicy = RetryPolicies.exponentialBackoffRetry(5, 200,
TimeUnit.MILLISECONDS);
Map<String, RetryPolicy> methodNameToPolicyMap
= new HashMap<String, RetryPolicy>();
methodNameToPolicyMap.put("getBlocks", timeoutPolicy);
methodNameToPolicyMap.put("getAccessKeys", timeoutPolicy);
NamenodeProtocol translatorProxy =
new NamenodeProtocolTranslatorPB(proxy);
return (NamenodeProtocol) RetryProxy.create(
NamenodeProtocol.class, translatorProxy, methodNameToPolicyMap);
} else {
return new NamenodeProtocolTranslatorPB(proxy);
}
}
示例4: start
import org.apache.hadoop.hdfs.protocolPB.NamenodeProtocolPB; //导入依赖的package包/类
public void start() throws IOException {
int rpcHandlerCount = conf.getInt(ProxyConfig.PROXY_HANDLER_COUNT, ProxyConfig.PROXY_HANDLER_COUNT_DEFAULT);
RPC.setProtocolEngine(conf, ClientNamenodeProtocolPB.class,
ProtobufRpcEngine.class);
RPC.setProtocolEngine(conf, NamenodeProtocolPB.class,
ProtobufRpcEngine.class);
this.protocol = (ClientProtocol) Proxy.newProxyInstance(
this.getClass().getClassLoader(),
new Class[]{ClientProtocol.class},
this.invocationHandler);
ClientNamenodeProtocolPB proxy = new ClientNamenodeProtocolServerSideTranslatorPB(this.protocol);
BlockingService clientNNPbService = ClientNamenodeProtocolProtos.ClientNamenodeProtocol.
newReflectiveBlockingService(proxy);
int port = conf.getInt(ProxyConfig.RPC_PORT, ProxyConfig.RPC_PORT_DEFAULT);
this.rpcServer = new RPC.Builder(conf)
.setProtocol(org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolPB.class)
.setInstance(clientNNPbService).setBindAddress("0.0.0.0")
.setPort(port).setNumHandlers(rpcHandlerCount)
.setVerbose(false).build();
this.rpcServer.start();
InetSocketAddress listenAddr = rpcServer.getListenerAddress();
rpcAddress = new InetSocketAddress("0.0.0.0", listenAddr.getPort());
}