Example usage for org.apache.hadoop.hdfs.net DomainPeer DomainPeer

Introduction

In this page you can find the example usage for org.apache.hadoop.hdfs.net DomainPeer DomainPeer.

Prototype

public DomainPeer(DomainSocket socket) 

Source Link

Usage

From source file:BlockReaderFactory.java

License:Apache License

/**
 * Get the next DomainPeer-- either from the cache or by creating it.
 *
 * @return the next DomainPeer, or null if we could not construct one.
 *///w  w w . j  a v  a 2 s .c  om
private BlockReaderPeer nextDomainPeer() {
    if (remainingCacheTries > 0) {
        Peer peer = clientContext.getPeerCache().get(datanode, true);
        if (peer != null) {
            if (LOG.isTraceEnabled()) {
                LOG.trace("nextDomainPeer: reusing existing peer " + peer);
            }
            return new BlockReaderPeer(peer, true);
        }
    }
    DomainSocket sock = clientContext.getDomainSocketFactory().createSocket(pathInfo, conf.socketTimeout);
    if (sock == null)
        return null;
    return new BlockReaderPeer(new DomainPeer(sock), false);
}

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