Java RetryPolicies类代码示例

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本文整理汇总了Java中org.apache.hadoop.io.retry.RetryPolicies类的典型用法代码示例。如果您正苦于以下问题：Java RetryPolicies类的具体用法？Java RetryPolicies怎么用？Java RetryPolicies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。

RetryPolicies类属于org.apache.hadoop.io.retry包，在下文中一共展示了RetryPolicies类的18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，您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: getConnectionId

import org.apache.hadoop.io.retry.RetryPolicies; //导入依赖的package包/类
/**
 * Returns a ConnectionId object. 
 * @param addr Remote address for the connection.
 * @param protocol Protocol for RPC.
 * @param ticket UGI
 * @param rpcTimeout timeout
 * @param conf Configuration object
 * @return A ConnectionId instance
 * @throws IOException
 */
static ConnectionId getConnectionId(InetSocketAddress addr,
    Class<?> protocol, UserGroupInformation ticket, int rpcTimeout,
    RetryPolicy connectionRetryPolicy, Configuration conf) throws IOException {

  if (connectionRetryPolicy == null) {
    final int max = conf.getInt(
        CommonConfigurationKeysPublic.IPC_CLIENT_CONNECT_MAX_RETRIES_KEY,
        CommonConfigurationKeysPublic.IPC_CLIENT_CONNECT_MAX_RETRIES_DEFAULT);
    final int retryInterval = conf.getInt(
        CommonConfigurationKeysPublic.IPC_CLIENT_CONNECT_RETRY_INTERVAL_KEY,
        CommonConfigurationKeysPublic
            .IPC_CLIENT_CONNECT_RETRY_INTERVAL_DEFAULT);

    connectionRetryPolicy = RetryPolicies.retryUpToMaximumCountWithFixedSleep(
        max, retryInterval, TimeUnit.MILLISECONDS);
  }

  return new ConnectionId(addr, protocol, ticket, rpcTimeout,
      connectionRetryPolicy, conf);
}

开发者ID:nucypher，项目名称:hadoop-oss，代码行数:31，代码来源:Client.java

示例2: createNNProxyWithNamenodeProtocol

import org.apache.hadoop.io.retry.RetryPolicies; //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);
  }
}

开发者ID:naver，项目名称:hadoop，代码行数:21，代码来源:NameNodeProxies.java

示例3: genClientWithDummyHandler

import org.apache.hadoop.io.retry.RetryPolicies; //导入依赖的package包/类
private DFSClient genClientWithDummyHandler() throws IOException {
  URI nnUri = dfs.getUri();
  FailoverProxyProvider<ClientProtocol> failoverProxyProvider = 
      NameNodeProxies.createFailoverProxyProvider(conf, 
          nnUri, ClientProtocol.class, true, null);
  InvocationHandler dummyHandler = new DummyRetryInvocationHandler(
      failoverProxyProvider, RetryPolicies
      .failoverOnNetworkException(RetryPolicies.TRY_ONCE_THEN_FAIL,
          Integer.MAX_VALUE,
          DFSConfigKeys.DFS_CLIENT_FAILOVER_SLEEPTIME_BASE_DEFAULT,
          DFSConfigKeys.DFS_CLIENT_FAILOVER_SLEEPTIME_MAX_DEFAULT));
  ClientProtocol proxy = (ClientProtocol) Proxy.newProxyInstance(
      failoverProxyProvider.getInterface().getClassLoader(),
      new Class[] { ClientProtocol.class }, dummyHandler);
  
  DFSClient client = new DFSClient(null, proxy, conf, null);
  return client;
}

开发者ID:naver，项目名称:hadoop，代码行数:19，代码来源:TestRetryCacheWithHA.java

示例4: createDefaultStore

import org.apache.hadoop.io.retry.RetryPolicies; //导入依赖的package包/类
private static NativeFileSystemStore createDefaultStore(Configuration conf) {
  NativeFileSystemStore store = new Jets3tNativeFileSystemStore();
  
  RetryPolicy basePolicy = RetryPolicies.retryUpToMaximumCountWithFixedSleep(
      conf.getInt("fs.s3.maxRetries", 4),
      conf.getLong("fs.s3.sleepTimeSeconds", 10), TimeUnit.SECONDS);
  Map<Class<? extends Exception>, RetryPolicy> exceptionToPolicyMap =
    new HashMap<Class<? extends Exception>, RetryPolicy>();
  exceptionToPolicyMap.put(IOException.class, basePolicy);
  exceptionToPolicyMap.put(S3Exception.class, basePolicy);
  
  RetryPolicy methodPolicy = RetryPolicies.retryByException(
      RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap);
  Map<String, RetryPolicy> methodNameToPolicyMap =
    new HashMap<String, RetryPolicy>();
  methodNameToPolicyMap.put("storeFile", methodPolicy);
  methodNameToPolicyMap.put("rename", methodPolicy);
  
  return (NativeFileSystemStore)
    RetryProxy.create(NativeFileSystemStore.class, store,
        methodNameToPolicyMap);
}

开发者ID:naver，项目名称:hadoop，代码行数:23，代码来源:NativeS3FileSystem.java

示例5: createDefaultStore

import org.apache.hadoop.io.retry.RetryPolicies; //导入依赖的package包/类
private static FileSystemStore createDefaultStore(Configuration conf) {
  FileSystemStore store = new Jets3tFileSystemStore();
  
  RetryPolicy basePolicy = RetryPolicies.retryUpToMaximumCountWithFixedSleep(
                                                                             conf.getInt("fs.s3.maxRetries", 4),
                                                                             conf.getLong("fs.s3.sleepTimeSeconds", 10), TimeUnit.SECONDS);
  Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap =
    new HashMap<Class<? extends Exception>, RetryPolicy>();
  exceptionToPolicyMap.put(IOException.class, basePolicy);
  exceptionToPolicyMap.put(S3Exception.class, basePolicy);
  
  RetryPolicy methodPolicy = RetryPolicies.retryByException(
                                                            RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap);
  Map<String,RetryPolicy> methodNameToPolicyMap = new HashMap<String,RetryPolicy>();
  methodNameToPolicyMap.put("storeBlock", methodPolicy);
  methodNameToPolicyMap.put("retrieveBlock", methodPolicy);
  
  return (FileSystemStore) RetryProxy.create(FileSystemStore.class,
                                             store, methodNameToPolicyMap);
}

开发者ID:naver，项目名称:hadoop，代码行数:21，代码来源:S3FileSystem.java

示例6: createHAProxy

import org.apache.hadoop.io.retry.RetryPolicies; //导入依赖的package包/类
/**
 * Creates an explicitly HA-enabled proxy object.
 *
 * @param conf the configuration object
 * @param nameNodeUri the URI pointing either to a specific NameNode or to a
 *        logical nameservice.
 * @param xface the IPC interface which should be created
 * @param failoverProxyProvider Failover proxy provider
 * @return an object containing both the proxy and the associated
 *         delegation token service it corresponds to
 */
@SuppressWarnings("unchecked")
public static <T> ProxyAndInfo<T> createHAProxy(
    Configuration conf, URI nameNodeUri, Class<T> xface,
    AbstractNNFailoverProxyProvider<T> failoverProxyProvider) {
  Preconditions.checkNotNull(failoverProxyProvider);
  // HA case
  DfsClientConf config = new DfsClientConf(conf);
  T proxy = (T) RetryProxy.create(xface, failoverProxyProvider,
      RetryPolicies.failoverOnNetworkException(
          RetryPolicies.TRY_ONCE_THEN_FAIL, config.getMaxFailoverAttempts(),
          config.getMaxRetryAttempts(), config.getFailoverSleepBaseMillis(),
          config.getFailoverSleepMaxMillis()));

  Text dtService;
  if (failoverProxyProvider.useLogicalURI()) {
    dtService = HAUtilClient.buildTokenServiceForLogicalUri(nameNodeUri,
        HdfsConstants.HDFS_URI_SCHEME);
  } else {
    dtService = SecurityUtil.buildTokenService(
        DFSUtilClient.getNNAddress(nameNodeUri));
  }
  return new ProxyAndInfo<>(proxy, dtService,
      DFSUtilClient.getNNAddressCheckLogical(conf, nameNodeUri));
}

开发者ID:aliyun-beta，项目名称:aliyun-oss-hadoop-fs，代码行数:36，代码来源:NameNodeProxiesClient.java

示例7: createNNProxyWithNamenodeProtocol

import org.apache.hadoop.io.retry.RetryPolicies; //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);
  }
}

开发者ID:aliyun-beta，项目名称:aliyun-oss-hadoop-fs，代码行数:21，代码来源:NameNodeProxies.java

示例8: genClientWithDummyHandler

import org.apache.hadoop.io.retry.RetryPolicies; //导入依赖的package包/类
private DFSClient genClientWithDummyHandler() throws IOException {
  URI nnUri = dfs.getUri();
  FailoverProxyProvider<ClientProtocol> failoverProxyProvider = 
      NameNodeProxiesClient.createFailoverProxyProvider(conf,
          nnUri, ClientProtocol.class, true, null);
  InvocationHandler dummyHandler = new DummyRetryInvocationHandler(
      failoverProxyProvider, RetryPolicies
      .failoverOnNetworkException(RetryPolicies.TRY_ONCE_THEN_FAIL,
          Integer.MAX_VALUE,
          HdfsClientConfigKeys.Failover.SLEEPTIME_BASE_DEFAULT,
          HdfsClientConfigKeys.Failover.SLEEPTIME_MAX_DEFAULT));
  ClientProtocol proxy = (ClientProtocol) Proxy.newProxyInstance(
      failoverProxyProvider.getInterface().getClassLoader(),
      new Class[] { ClientProtocol.class }, dummyHandler);
  
  DFSClient client = new DFSClient(null, proxy, conf, null);
  return client;
}

开发者ID:aliyun-beta，项目名称:aliyun-oss-hadoop-fs，代码行数:19，代码来源:TestRetryCacheWithHA.java

示例9: createRaidnode

import org.apache.hadoop.io.retry.RetryPolicies; //导入依赖的package包/类
public static RaidProtocol createRaidnode(RaidProtocol rpcRaidnode)
  throws IOException {
  Map<Class<? extends Exception>,RetryPolicy> remoteExceptionToPolicyMap =
    new HashMap<Class<? extends Exception>, RetryPolicy>();

  Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap =
    new HashMap<Class<? extends Exception>, RetryPolicy>();
  exceptionToPolicyMap.put(RemoteException.class,
      RetryPolicies.retryByRemoteException(
          RetryPolicies.TRY_ONCE_THEN_FAIL, remoteExceptionToPolicyMap));
  RetryPolicy methodPolicy = RetryPolicies.retryByException(
      RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap);
  Map<String,RetryPolicy> methodNameToPolicyMap = new HashMap<String,RetryPolicy>();

  methodNameToPolicyMap.put("create", methodPolicy);

  return (RaidProtocol) RetryProxy.create(RaidProtocol.class,
      rpcRaidnode, methodNameToPolicyMap);
}

开发者ID:rhli，项目名称:hadoop-EAR，代码行数:20，代码来源:RaidShell.java

示例10: createSnapshotNode

import org.apache.hadoop.io.retry.RetryPolicies; //导入依赖的package包/类
private static SnapshotProtocol createSnapshotNode(SnapshotProtocol rpcSnapshotNode) 
throws IOException {
  RetryPolicy createPolicy = RetryPolicies.retryUpToMaximumCountWithFixedSleep(
                                                 5, 5000, TimeUnit.MILLISECONDS);

  Map<Class<? extends Exception>,RetryPolicy> remoteExceptionToPolicyMap =
       new HashMap<Class<? extends Exception>, RetryPolicy>();
  Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap =
      new HashMap<Class<? extends Exception>, RetryPolicy>();

  exceptionToPolicyMap.put(RemoteException.class,
RetryPolicies.retryByRemoteException(
    RetryPolicies.TRY_ONCE_THEN_FAIL, remoteExceptionToPolicyMap));
  RetryPolicy methodPolicy = RetryPolicies.retryByException(
    RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap);

  Map<String,RetryPolicy> methodNameToPolicyMap = new HashMap<String,RetryPolicy>();

  methodNameToPolicyMap.put("create", methodPolicy);

  return (SnapshotProtocol) RetryProxy.create(SnapshotProtocol.class, 
                               rpcSnapshotNode, methodNameToPolicyMap);
}

开发者ID:rhli，项目名称:hadoop-EAR，代码行数:24，代码来源:SnapshotShell.java

示例11: createAvatarnode

import org.apache.hadoop.io.retry.RetryPolicies; //导入依赖的package包/类
private static AvatarProtocol createAvatarnode(AvatarProtocol rpcAvatarnode)
    throws IOException {
  Map<Class<? extends Exception>, RetryPolicy> remoteExceptionToPolicyMap = new HashMap<Class<? extends Exception>, RetryPolicy>();

  Map<Class<? extends Exception>, RetryPolicy> exceptionToPolicyMap = new HashMap<Class<? extends Exception>, RetryPolicy>();
  exceptionToPolicyMap.put(RemoteException.class, RetryPolicies
      .retryByRemoteException(RetryPolicies.TRY_ONCE_THEN_FAIL,
          remoteExceptionToPolicyMap));
  RetryPolicy methodPolicy = RetryPolicies.retryByException(
      RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap);
  Map<String, RetryPolicy> methodNameToPolicyMap = new HashMap<String, RetryPolicy>();

  methodNameToPolicyMap.put("create", methodPolicy);

  return (AvatarProtocol) RetryProxy.create(AvatarProtocol.class,
      rpcAvatarnode, methodNameToPolicyMap);
}

开发者ID:rhli，项目名称:hadoop-EAR，代码行数:18，代码来源:AvatarZKShell.java

示例12: createAvatarnode

import org.apache.hadoop.io.retry.RetryPolicies; //导入依赖的package包/类
private static AvatarProtocol createAvatarnode(AvatarProtocol rpcAvatarnode)
    throws IOException {
  Map<Class<? extends Exception>, RetryPolicy> remoteExceptionToPolicyMap = new HashMap<Class<? extends Exception>, RetryPolicy>();
  Map<Class<? extends Exception>, RetryPolicy> exceptionToPolicyMap = new HashMap<Class<? extends Exception>, RetryPolicy>();
  
  exceptionToPolicyMap.put(RemoteException.class, RetryPolicies
      .retryByRemoteException(RetryPolicies.TRY_ONCE_THEN_FAIL,
          remoteExceptionToPolicyMap));
  RetryPolicy methodPolicy = RetryPolicies.retryByException(
      RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap);
  Map<String, RetryPolicy> methodNameToPolicyMap = new HashMap<String, RetryPolicy>();

  methodNameToPolicyMap.put("create", methodPolicy);

  return (AvatarProtocol) RetryProxy.create(AvatarProtocol.class,
      rpcAvatarnode, methodNameToPolicyMap);
}

开发者ID:rhli，项目名称:hadoop-EAR，代码行数:18，代码来源:AvatarShell.java

示例13: createDefaultStore

import org.apache.hadoop.io.retry.RetryPolicies; //导入依赖的package包/类
private static NativeFileSystemStore createDefaultStore(Configuration conf) {
  NativeFileSystemStore store = new Jets3tNativeFileSystemStore();
  
  RetryPolicy basePolicy = RetryPolicies.retryUpToMaximumCountWithFixedSleep(
      conf.getInt("fs.s3.maxRetries", 4),
      conf.getLong("fs.s3.sleepTimeSeconds", 10), TimeUnit.SECONDS);
  Map<Class<? extends Exception>, RetryPolicy> exceptionToPolicyMap =
    new HashMap<Class<? extends Exception>, RetryPolicy>();
  exceptionToPolicyMap.put(IOException.class, basePolicy);
  exceptionToPolicyMap.put(S3Exception.class, basePolicy);
  
  RetryPolicy methodPolicy = RetryPolicies.retryByException(
      RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap);
  Map<String, RetryPolicy> methodNameToPolicyMap =
    new HashMap<String, RetryPolicy>();
  methodNameToPolicyMap.put("storeFile", methodPolicy);
  
  return (NativeFileSystemStore)
    RetryProxy.create(NativeFileSystemStore.class, store,
        methodNameToPolicyMap);
}

开发者ID:rhli，项目名称:hadoop-EAR，代码行数:22，代码来源:NativeS3FileSystem.java

示例14: createNamenode

import org.apache.hadoop.io.retry.RetryPolicies; //导入依赖的package包/类
static ClientProtocol createNamenode(ClientProtocol rpcNamenode,
    Configuration conf)
  throws IOException {
  long sleepTime = conf.getLong("dfs.client.rpc.retry.sleep",
      LEASE_SOFTLIMIT_PERIOD);
  RetryPolicy createPolicy = RetryPolicies.retryUpToMaximumCountWithFixedSleep(
      5, sleepTime, TimeUnit.MILLISECONDS);

  Map<Class<? extends Exception>,RetryPolicy> remoteExceptionToPolicyMap =
    new HashMap<Class<? extends Exception>, RetryPolicy>();
  remoteExceptionToPolicyMap.put(AlreadyBeingCreatedException.class, createPolicy);

  Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap =
    new HashMap<Class<? extends Exception>, RetryPolicy>();
  exceptionToPolicyMap.put(RemoteException.class,
      RetryPolicies.retryByRemoteException(
          RetryPolicies.TRY_ONCE_THEN_FAIL, remoteExceptionToPolicyMap));
  RetryPolicy methodPolicy = RetryPolicies.retryByException(
      RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap);
  Map<String,RetryPolicy> methodNameToPolicyMap = new HashMap<String,RetryPolicy>();

  methodNameToPolicyMap.put("create", methodPolicy);

  return (ClientProtocol) RetryProxy.create(ClientProtocol.class,
      rpcNamenode, methodNameToPolicyMap);
}

开发者ID:rhli，项目名称:hadoop-EAR，代码行数:27，代码来源:DFSClient.java

示例15: createHighTidenode

import org.apache.hadoop.io.retry.RetryPolicies; //导入依赖的package包/类
private static HighTideProtocol createHighTidenode(HighTideProtocol rpcHighTidenode)
  throws IOException {
  RetryPolicy createPolicy = RetryPolicies.retryUpToMaximumCountWithFixedSleep(
      5, 5000, TimeUnit.MILLISECONDS);

  Map<Class<? extends Exception>,RetryPolicy> remoteExceptionToPolicyMap =
    new HashMap<Class<? extends Exception>, RetryPolicy>();

  Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap =
    new HashMap<Class<? extends Exception>, RetryPolicy>();
  exceptionToPolicyMap.put(RemoteException.class,
      RetryPolicies.retryByRemoteException(
          RetryPolicies.TRY_ONCE_THEN_FAIL, remoteExceptionToPolicyMap));
  RetryPolicy methodPolicy = RetryPolicies.retryByException(
      RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap);
  Map<String,RetryPolicy> methodNameToPolicyMap = new HashMap<String,RetryPolicy>();

  methodNameToPolicyMap.put("create", methodPolicy);

  return (HighTideProtocol) RetryProxy.create(HighTideProtocol.class,
      rpcHighTidenode, methodNameToPolicyMap);
}

开发者ID:rhli，项目名称:hadoop-EAR，代码行数:23，代码来源:HighTideShell.java

示例16: createProxy

import org.apache.hadoop.io.retry.RetryPolicies; //导入依赖的package包/类
/**
 * Creates the namenode proxy with the passed protocol. This will handle
 * creation of either HA- or non-HA-enabled proxy objects, depending upon
 * if the provided URI is a configured logical URI.
 * 
 * @param conf the configuration containing the required IPC
 *        properties, client failover configurations, etc.
 * @param nameNodeUri the URI pointing either to a specific NameNode
 *        or to a logical nameservice.
 * @param xface the IPC interface which should be created
 * @return an object containing both the proxy and the associated
 *         delegation token service it corresponds to
 * @throws IOException if there is an error creating the proxy
 **/
@SuppressWarnings("unchecked")
public static <T> ProxyAndInfo<T> createProxy(Configuration conf,
    URI nameNodeUri, Class<T> xface) throws IOException {
  Class<FailoverProxyProvider<T>> failoverProxyProviderClass =
      getFailoverProxyProviderClass(conf, nameNodeUri, xface);

  if (failoverProxyProviderClass == null) {
    // Non-HA case
    return createNonHAProxy(conf, NameNode.getAddress(nameNodeUri), xface,
        UserGroupInformation.getCurrentUser(), true);
  } else {
    // HA case
    FailoverProxyProvider<T> failoverProxyProvider = NameNodeProxies
        .createFailoverProxyProvider(conf, failoverProxyProviderClass, xface,
            nameNodeUri);
    Conf config = new Conf(conf);
    T proxy = (T) RetryProxy.create(xface, failoverProxyProvider, RetryPolicies
        .failoverOnNetworkException(RetryPolicies.TRY_ONCE_THEN_FAIL,
            config.maxFailoverAttempts, config.failoverSleepBaseMillis,
            config.failoverSleepMaxMillis));
    
    Text dtService = HAUtil.buildTokenServiceForLogicalUri(nameNodeUri);
    return new ProxyAndInfo<T>(proxy, dtService);
  }
}

开发者ID:ict-carch，项目名称:hadoop-plus，代码行数:40，代码来源:NameNodeProxies.java

示例17: createNamenodeWithRetry

import org.apache.hadoop.io.retry.RetryPolicies; //导入依赖的package包/类
/** Create a {@link NameNode} proxy */
static DatanodeProtocolPB createNamenodeWithRetry(
    DatanodeProtocolPB rpcNamenode) {
  RetryPolicy createPolicy = RetryPolicies
      .retryUpToMaximumCountWithFixedSleep(5,
          HdfsConstants.LEASE_SOFTLIMIT_PERIOD, TimeUnit.MILLISECONDS);

  Map<Class<? extends Exception>, RetryPolicy> remoteExceptionToPolicyMap = 
      new HashMap<Class<? extends Exception>, RetryPolicy>();
  remoteExceptionToPolicyMap.put(AlreadyBeingCreatedException.class,
      createPolicy);

  Map<Class<? extends Exception>, RetryPolicy> exceptionToPolicyMap =
      new HashMap<Class<? extends Exception>, RetryPolicy>();
  exceptionToPolicyMap.put(RemoteException.class, RetryPolicies
      .retryByRemoteException(RetryPolicies.TRY_ONCE_THEN_FAIL,
          remoteExceptionToPolicyMap));
  RetryPolicy methodPolicy = RetryPolicies.retryByException(
      RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap);
  Map<String, RetryPolicy> methodNameToPolicyMap = new HashMap<String, RetryPolicy>();

  methodNameToPolicyMap.put("create", methodPolicy);

  return (DatanodeProtocolPB) RetryProxy.create(DatanodeProtocolPB.class,
      rpcNamenode, methodNameToPolicyMap);
}

开发者ID:ict-carch，项目名称:hadoop-plus，代码行数:27，代码来源:DatanodeProtocolClientSideTranslatorPB.java

示例18: genClientWithDummyHandler

import org.apache.hadoop.io.retry.RetryPolicies; //导入依赖的package包/类
private DFSClient genClientWithDummyHandler() throws IOException {
  URI nnUri = dfs.getUri();
  Class<FailoverProxyProvider<ClientProtocol>> failoverProxyProviderClass = 
      NameNodeProxies.getFailoverProxyProviderClass(conf, nnUri, 
          ClientProtocol.class);
  FailoverProxyProvider<ClientProtocol> failoverProxyProvider = 
      NameNodeProxies.createFailoverProxyProvider(conf, 
          failoverProxyProviderClass, ClientProtocol.class, nnUri);
  InvocationHandler dummyHandler = new DummyRetryInvocationHandler(
      failoverProxyProvider, RetryPolicies
      .failoverOnNetworkException(RetryPolicies.TRY_ONCE_THEN_FAIL,
          Integer.MAX_VALUE,
          DFSConfigKeys.DFS_CLIENT_FAILOVER_SLEEPTIME_BASE_DEFAULT,
          DFSConfigKeys.DFS_CLIENT_FAILOVER_SLEEPTIME_MAX_DEFAULT));
  ClientProtocol proxy = (ClientProtocol) Proxy.newProxyInstance(
      failoverProxyProvider.getInterface().getClassLoader(),
      new Class[] { ClientProtocol.class }, dummyHandler);
  
  DFSClient client = new DFSClient(null, proxy, conf, null);
  return client;
}

开发者ID:ict-carch，项目名称:hadoop-plus，代码行数:22，代码来源:TestRetryCacheWithHA.java

注：本文中的org.apache.hadoop.io.retry.RetryPolicies类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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Java RetryPolicies类代码示例

示例1: getConnectionId

示例2: createNNProxyWithNamenodeProtocol

示例3: genClientWithDummyHandler

示例4: createDefaultStore

示例5: createDefaultStore

示例6: createHAProxy

示例7: createNNProxyWithNamenodeProtocol

示例8: genClientWithDummyHandler

示例9: createRaidnode

示例10: createSnapshotNode

示例11: createAvatarnode

示例12: createAvatarnode

示例13: createDefaultStore

示例14: createNamenode

示例15: createHighTidenode

示例16: createProxy

示例17: createNamenodeWithRetry

示例18: genClientWithDummyHandler

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