Example usage for org.apache.hadoop.fs BlockLocation isCorrupt

Introduction

In this page you can find the example usage for org.apache.hadoop.fs BlockLocation isCorrupt.

Prototype

public boolean isCorrupt() 

Source Link

Document

Get the corrupt flag.

Usage

From source file:com.cloudera.GetBlockLocations.java

License:Apache License

public static void main(String[] args) throws Exception {
    final Configuration conf = new Configuration();
    String url = getStringOrDie("get.block.locations.path");
    final FileSystem fs = FileSystem.get(new URI(url), conf);

    if (!fs.exists(new Path(url))) {
        System.out.println("no file at " + url);
        System.exit(1);// w  w w  .  j a v a  2 s.c  o  m
    }
    BlockLocation locs[] = null;
    try {
        locs = fs.getFileBlockLocations(new Path(url), 0, Long.MAX_VALUE);
    } catch (IOException e) {
        System.out.println("Error calling getFileBlockLocations(" + url + ")\n");
        e.printStackTrace(System.err);
        System.exit(1);
    }

    String prefix = "";
    for (BlockLocation loc : locs) {
        System.out.println(prefix);
        System.out.println("{");
        System.out.println("  hosts =         " + Arrays.toString(loc.getHosts()));
        System.out.println("  cachedHosts =   " + Arrays.toString(loc.getCachedHosts()));
        System.out.println("  names    =      " + Arrays.toString(loc.getNames()));
        System.out.println("  topologyPaths = " + Arrays.toString(loc.getTopologyPaths()));
        System.out.println("  offset =        " + loc.getOffset());
        System.out.println("  length =        " + loc.getLength());
        System.out.println("  corrupt =       " + loc.isCorrupt());
        System.out.println("}");
        prefix = ",";
    }
}

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