Example usage for org.apache.hadoop.hdfs.protocol LocatedBlock getCachedLocations

Introduction

In this page you can find the example usage for org.apache.hadoop.hdfs.protocol LocatedBlock getCachedLocations.

Prototype

public DatanodeInfo[] getCachedLocations() 

Source Link

Usage

From source file:com.bigstep.datalake.JsonUtil.java

License:Apache License

/** Convert a LocatedBlock to a Json map. */
private static Map<String, Object> toJsonMap(final LocatedBlock locatedblock) throws IOException {
    if (locatedblock == null) {
        return null;
    }/* w ww.  j  a v  a 2s.c o m*/

    final Map<String, Object> m = new TreeMap<String, Object>();
    m.put("blockToken", toJsonMap(locatedblock.getBlockToken()));
    m.put("isCorrupt", locatedblock.isCorrupt());
    m.put("startOffset", locatedblock.getStartOffset());
    m.put("block", toJsonMap(locatedblock.getBlock()));
    m.put("locations", toJsonArray(locatedblock.getLocations()));
    m.put("cachedLocations", toJsonArray(locatedblock.getCachedLocations()));
    return m;
}

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