Example usage for org.apache.hadoop.ipc RPC getProxy

Introduction

In this page you can find the example usage for org.apache.hadoop.ipc RPC getProxy.

Prototype

public static <T> T getProxy(Class<T> protocol, long clientVersion, InetSocketAddress addr,
        UserGroupInformation ticket, Configuration conf, SocketFactory factory, int rpcTimeout)
        throws IOException 

Source Link

Document

Construct a client-side proxy that implements the named protocol, talking to a server at the named address.

Usage

From source file:com.datatorrent.stram.RecoverableRpcProxy.java

License:Apache License

private void connect() throws IOException {
    FSRecoveryHandler fsrh = new FSRecoveryHandler(appPath, conf);
    String uriStr = fsrh.readConnectUri();
    if (!uriStr.equals(lastConnectURI)) {
        // reset timeout
        LOG.debug("Got new RPC connect address {}", uriStr);
        lastCompletedCallTms = System.currentTimeMillis();
        lastConnectURI = uriStr;/*from  ww  w .  j  a va2  s.  c om*/
    }
    URI heartbeatUri = URI.create(uriStr);

    String queryStr = heartbeatUri.getQuery();
    List<NameValuePair> queryList = null;
    if (queryStr != null) {
        queryList = URLEncodedUtils.parse(queryStr, Charset.defaultCharset());
    }
    if (queryList != null) {
        for (NameValuePair pair : queryList) {
            String value = pair.getValue();
            String key = pair.getName();
            if (QP_rpcTimeout.equals(key)) {
                this.rpcTimeout = Integer.parseInt(value);
            } else if (QP_retryTimeoutMillis.equals(key)) {
                this.retryTimeoutMillis = Long.parseLong(value);
            } else if (QP_retryDelayMillis.equals(key)) {
                this.retryDelayMillis = Long.parseLong(value);
            }
        }
    }
    InetSocketAddress address = NetUtils.createSocketAddrForHost(heartbeatUri.getHost(),
            heartbeatUri.getPort());
    umbilical = RPC.getProxy(StreamingContainerUmbilicalProtocol.class,
            StreamingContainerUmbilicalProtocol.versionID, address, UserGroupInformation.getCurrentUser(), conf,
            NetUtils.getDefaultSocketFactory(conf), rpcTimeout);
}

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