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

Introduction

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

Prototype

public Block(Block blk) 

Source Link

Usage

From source file:com.sun.grid.herd.HerdJsvTest.java

License:Open Source License

/**
 * Test of buildBlockRequests() method, of class HerdJsv.
 *//*  w ww.j  a  v a  2  s. co  m*/
public void testBuildBlockRequests() throws Exception {
    System.out.println("buildBlockRequests()");
    HerdJsv instance = new HerdJsv();
    List<LocatedBlock> blocks = new ArrayList<LocatedBlock>(5);
    Map<String, String> expectedResult = new HashMap<String, String>();
    Map result = null;
    long id1 = 0x1234567890abcdefL;
    long id2 = 0x0123456789abcdefL;
    long id3 = 0xfedcba0987654321L;
    long id4 = 0xfedcba9876543210L;
    long id5 = 0x0L;

    blocks.add(new LocatedBlock(new Block(id1), null));
    blocks.add(new LocatedBlock(new Block(id2), null));
    blocks.add(new LocatedBlock(new Block(id3), null));
    blocks.add(new LocatedBlock(new Block(id4), null));
    blocks.add(new LocatedBlock(new Block(id5), null));
    expectedResult.put("hdfs_B12", "*34567890abcdef*");
    expectedResult.put("hdfs_B01", "*23456789abcdef*");
    expectedResult.put("hdfs_Bfe", "*dcba0987654321*dcba9876543210*");
    expectedResult.put("hdfs_B00", "*00000000000000*");

    result = (Map) callPrivateMethod(instance, "buildBlockRequests", new Class[] { Collection.class },
            new Object[] { blocks });
    assertEquals("The buildBlockRequests() method did not build the expected requests: ", expectedResult,
            result);

    blocks.clear();
    blocks.add(new LocatedBlock(new Block(id3), null));
    blocks.add(new LocatedBlock(new Block(id4), null));
    expectedResult.clear();
    expectedResult.put("hdfs_Bfe", "*dcba0987654321*dcba9876543210*");

    result = (Map) callPrivateMethod(instance, "buildBlockRequests", new Class[] { Collection.class },
            new Object[] { blocks });
    assertEquals("The buildBlockRequests() method did not build the expected requests: ", expectedResult,
            result);

    blocks.clear();
    blocks.add(new LocatedBlock(new Block(id3), null));
    expectedResult.clear();
    expectedResult.put("hdfs_Bfe", "*dcba0987654321*");

    result = (Map) callPrivateMethod(instance, "buildBlockRequests", new Class[] { Collection.class },
            new Object[] { blocks });
    assertEquals("The buildBlockRequests() method did not build the expected requests: ", expectedResult,
            result);

    blocks.clear();
    blocks.add(new LocatedBlock(null, null));
    expectedResult.clear();

    result = (Map) callPrivateMethod(instance, "buildBlockRequests", new Class[] { Collection.class },
            new Object[] { blocks });
    assertEquals("The buildBlockRequests() method did not build the expected requests: ", expectedResult,
            result);

    blocks.clear();
    expectedResult.clear();

    result = (Map) callPrivateMethod(instance, "buildBlockRequests", new Class[] { Collection.class },
            new Object[] { blocks });
    assertEquals("The buildBlockRequests() method did not build the expected requests: ", expectedResult,
            result);

    blocks = null;
    expectedResult.clear();

    result = (Map) callPrivateMethod(instance, "buildBlockRequests", new Class[] { Collection.class },
            new Object[] { blocks });
    assertEquals("The buildBlockRequests() method did not build the expected requests: ", expectedResult,
            result);
}

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From source file:common.DataNode.java

License:Apache License

/**
 * Update replica with the new generation stamp and length.  
 *///from w w  w  . j av  a 2 s  . c  om
@Override // InterDatanodeProtocol
public Block updateReplicaUnderRecovery(Block oldBlock, long recoveryId, long newLength) throws IOException {
    ReplicaInfo r = data.updateReplicaUnderRecovery(oldBlock, recoveryId, newLength);
    return new Block(r);
}

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From source file:io.hops.metadata.blockmanagement.ExcessReplicasMap.java

License:Apache License

public LightWeightLinkedSet<Block> get(String dn) throws IOException {
    Collection<ExcessReplica> excessReplicas = getExcessReplicas(datanodeManager.getDatanode(dn).getSId());
    if (excessReplicas == null) {
        return null;
    }//ww  w. j  av a2s  . com
    LightWeightLinkedSet<Block> excessBlocks = new LightWeightLinkedSet<Block>();
    for (ExcessReplica er : excessReplicas) {
        //FIXME: [M] might need to get the blockinfo from the db, but for now we don't need it
        excessBlocks.add(new Block(er.getBlockId()));
    }
    return excessBlocks;
}

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