Example usage for org.apache.hadoop.hdfs.server.protocol InterDatanodeProtocol versionID

Introduction

In this page you can find the example usage for org.apache.hadoop.hdfs.server.protocol InterDatanodeProtocol versionID.

Prototype

long versionID

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Document

Until version 9, this class InterDatanodeProtocol served as both the interface to the DN AND the RPC protocol used to communicate with the DN.

Usage

From source file:common.DataNode.java

License:Apache License

public static InterDatanodeProtocol createInterDataNodeProtocolProxy(DatanodeID datanodeid, Configuration conf)
        throws IOException {
    InetSocketAddress addr = NetUtils.createSocketAddr(datanodeid.getHost() + ":" + datanodeid.getIpcPort());
    if (InterDatanodeProtocol.LOG.isDebugEnabled()) {
        InterDatanodeProtocol.LOG.info("InterDatanodeProtocol addr=" + addr);
    }/*from w w  w . j a  v a 2  s  .c om*/
    return (InterDatanodeProtocol) RPC.getProxy(InterDatanodeProtocol.class, InterDatanodeProtocol.versionID,
            addr, conf);
}

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From source file:common.DataNode.java

License:Apache License

/** {@inheritDoc} */
public long getProtocolVersion(String protocol, long clientVersion) throws IOException {
    if (protocol.equals(InterDatanodeProtocol.class.getName())) {
        return InterDatanodeProtocol.versionID;
    } else if (protocol.equals(ClientDatanodeProtocol.class.getName())) {
        return ClientDatanodeProtocol.versionID;
    }/*from  ww w. j a  v a2  s  .  co m*/
    throw new IOException("Unknown protocol to " + getClass().getSimpleName() + ": " + protocol);
}

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