本文整理汇总了Java中org.apache.hadoop.hdfs.protocolPB.NamenodeProtocolTranslatorPB类的典型用法代码示例。如果您正苦于以下问题：Java NamenodeProtocolTranslatorPB类的具体用法？Java NamenodeProtocolTranslatorPB怎么用？Java NamenodeProtocolTranslatorPB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。
NamenodeProtocolTranslatorPB类属于org.apache.hadoop.hdfs.protocolPB包，在下文中一共展示了NamenodeProtocolTranslatorPB类的3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.NamenodeProtocolTranslatorPB; //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: createNNProxyWithNamenodeProtocol
import org.apache.hadoop.hdfs.protocolPB.NamenodeProtocolTranslatorPB; //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3: testNamenodeProtocol
import org.apache.hadoop.hdfs.protocolPB.NamenodeProtocolTranslatorPB; //导入依赖的package包/类
@Test
public void testNamenodeProtocol() throws IOException {
NamenodeProtocolTranslatorPB translator =
(NamenodeProtocolTranslatorPB) NameNodeProxies.createNonHAProxy(conf,
nnAddress, NamenodeProtocol.class, UserGroupInformation.getCurrentUser(),
true).getProxy();
boolean exists = translator.isMethodSupported("rollEditLog");
assertTrue(exists);
exists = translator.isMethodSupported("bogusMethod");
assertFalse(exists);
}