Example usage for org.apache.hadoop.hdfs.protocol DatanodeID getDatanodeUuid

Introduction

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

Prototype

public String getDatanodeUuid() 

Source Link

Usage

From source file:io.hops.transaction.context.CachedBlockContext.java

License:Apache License

private List<CachedBlock> findBatch(CachedBlock.Finder bFinder, Object[] params)
        throws TransactionContextException, StorageException {
    List<CachedBlock> result = null;
    final long[] blockIds = (long[]) params[0];
    final long[] inodeIds = (long[]) params[1];
    final DatanodeID datanodeId = (DatanodeID) params[2];
    aboutToAccessStorage(bFinder, params);
    result = dataAccess.findByIds(blockIds, inodeIds, datanodeId.getDatanodeUuid());
    miss(bFinder, result, "BlockIds", Arrays.toString(blockIds), "InodeIds", Arrays.toString(inodeIds),
            "datanodeId", datanodeId);
    for (CachedBlock block : result) {
        gotFromDB(block);/*from  w w w.j  av  a 2  s. co m*/
    }
    for (int i = 0; i < blockIds.length; i++) {
        BlockPK.CachedBlockPK pk = new BlockPK.CachedBlockPK(blockIds[i], inodeIds[i],
                datanodeId.getDatanodeUuid());
        if (!contains(pk)) {
            gotFromDB(pk, (CachedBlock) null);
        }
    }
    return result;
}

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From source file:io.hops.transaction.context.CachedBlockContext.java

License:Apache License

private List<CachedBlock> findByDatanodeId(CachedBlock.Finder iFinder, Object[] params)
        throws StorageCallPreventedException, StorageException {
    final DatanodeID datanodeId = (DatanodeID) params[0];
    List<CachedBlock> results = null;
    if (containsByDatanode(datanodeId.getDatanodeUuid())) {
        results = getByDatanode(datanodeId.getDatanodeUuid());
        hit(iFinder, results, "datanodeId", datanodeId);
    } else {/*from  w  w w.ja  va  2s .co  m*/
        aboutToAccessStorage(iFinder, params);
        results = dataAccess.findCachedBlockByDatanodeId(datanodeId.getDatanodeUuid());
        gotFromDB(new BlockPK.CachedBlockPK(datanodeId.getDatanodeUuid()), results);
        miss(iFinder, results, "datanodeId", datanodeId);
    }
    return results;
}

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