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

List of usage examples for org.apache.hadoop.hdfs.protocol LocatedBlock LocatedBlock

Introduction

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

Prototype

public LocatedBlock(ExtendedBlock b, DatanodeInfoWithStorage[] locs, String[] storageIDs,
            StorageType[] storageTypes, long startOffset, boolean corrupt, DatanodeInfo[] cachedLocs) 

Source Link

Usage

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

License:Apache License

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

    final ExtendedBlock b = toExtendedBlock((Map<?, ?>) m.get("block"));
    final DatanodeInfo[] locations = toDatanodeInfoArray(getList(m, "locations"));
    final long startOffset = ((Number) m.get("startOffset")).longValue();
    final boolean isCorrupt = (Boolean) m.get("isCorrupt");
    final DatanodeInfo[] cachedLocations = toDatanodeInfoArray(getList(m, "cachedLocations"));

    final LocatedBlock locatedblock = new LocatedBlock(b, locations, null, null, startOffset, isCorrupt,
            cachedLocations);
    locatedblock.setBlockToken(toBlockToken((Map<?, ?>) m.get("blockToken")));
    return locatedblock;
}