Examples of org.apache.cassandra.repair.Validator

org.apache.cassandra.repair.Validator
Handles the building of a merkle tree for a column family. Lifecycle: 1. prepare() - Initialize tree with samples. 2. add() - 0 or more times, to add hashes to the tree. 3. complete() - Enqueues any operations that were blocked waiting for a valid tree.

    }


    private void testValidationCompleteWrite() throws IOException
    {
        // empty validation
        Validator v0 = new Validator(DESC, FBUtilities.getBroadcastAddress(),  -1);
        ValidationComplete c0 = new ValidationComplete(DESC, v0.tree);


        // validation with a tree
        IPartitioner p = new RandomPartitioner();
        MerkleTree mt = new MerkleTree(p, FULL_RANGE, MerkleTree.RECOMMENDED_DEPTH, Integer.MAX_VALUE);
        for (int i = 0; i < 10; i++)
            mt.split(p.getRandomToken());
        Validator v1 = new Validator(DESC, FBUtilities.getBroadcastAddress(), mt, -1);
        ValidationComplete c1 = new ValidationComplete(DESC, v1.tree);


        // validation failed
        ValidationComplete c3 = new ValidationComplete(DESC);

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        Range<Token> range = new Range<>(Util.token(""), Util.token(""));
        int gcBefore = keyspace.getColumnFamilyStore(cfname).gcBefore(System.currentTimeMillis());
        UUID parentRepSession = UUID.randomUUID();
        ActiveRepairService.instance.registerParentRepairSession(parentRepSession, Arrays.asList(cfs), Arrays.asList(range));
        RepairJobDesc desc = new RepairJobDesc(parentRepSession, UUID.randomUUID(), ksname, cfname, range);
        Validator validator = new Validator(desc, FBUtilities.getBroadcastAddress(), gcBefore);
        CompactionManager.instance.submitValidation(cfs, validator).get();
    }

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        Range<Token> range = new Range<>(Util.token(""), Util.token(""));
        int gcBefore = keyspace.getColumnFamilyStore(CF_STANDARDDLEVELED).gcBefore(System.currentTimeMillis());
        UUID parentRepSession = UUID.randomUUID();
        ActiveRepairService.instance.registerParentRepairSession(parentRepSession, Arrays.asList(cfs), Arrays.asList(range), false);
        RepairJobDesc desc = new RepairJobDesc(parentRepSession, UUID.randomUUID(), KEYSPACE1, CF_STANDARDDLEVELED, range);
        Validator validator = new Validator(desc, FBUtilities.getBroadcastAddress(), gcBefore);
        CompactionManager.instance.submitValidation(cfs, validator).get();
    }

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    private void testValidationCompleteWrite() throws IOException
    {
        IPartitioner p = new RandomPartitioner();
        // empty validation
        MerkleTree mt = new MerkleTree(p, FULL_RANGE, MerkleTree.RECOMMENDED_DEPTH, (int) Math.pow(2, 15));
        Validator v0 = new Validator(DESC, FBUtilities.getBroadcastAddress(),  -1);
        ValidationComplete c0 = new ValidationComplete(DESC, mt);


        // validation with a tree
        mt = new MerkleTree(p, FULL_RANGE, MerkleTree.RECOMMENDED_DEPTH, Integer.MAX_VALUE);
        for (int i = 0; i < 10; i++)
            mt.split(p.getRandomToken());
        Validator v1 = new Validator(DESC, FBUtilities.getBroadcastAddress(), -1);
        ValidationComplete c1 = new ValidationComplete(DESC, mt);


        // validation failed
        ValidationComplete c3 = new ValidationComplete(DESC);

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        assert strategy.getLevelSize(2) > 0;


        Range<Token> range = new Range<Token>(Util.token(""), Util.token(""));
        int gcBefore = keyspace.getColumnFamilyStore(cfname).gcBefore(System.currentTimeMillis());
        RepairJobDesc desc = new RepairJobDesc(UUID.randomUUID(), ksname, cfname, range);
        Validator validator = new Validator(desc, FBUtilities.getBroadcastAddress(), gcBefore);
        CompactionManager.instance.submitValidation(cfs, validator).get();
    }

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    }


    private void testValidationCompleteWrite() throws IOException
    {
        // empty validation
        Validator v0 = new Validator(DESC, FBUtilities.getBroadcastAddress(),  -1);
        ValidationComplete c0 = new ValidationComplete(DESC, v0.tree);


        // validation with a tree
        IPartitioner p = new RandomPartitioner();
        MerkleTree mt = new MerkleTree(p, FULL_RANGE, MerkleTree.RECOMMENDED_DEPTH, Integer.MAX_VALUE);
        for (int i = 0; i < 10; i++)
            mt.split(p.getRandomToken());
        Validator v1 = new Validator(DESC, FBUtilities.getBroadcastAddress(), mt, -1);
        ValidationComplete c1 = new ValidationComplete(DESC, v1.tree);


        // validation failed
        ValidationComplete c3 = new ValidationComplete(DESC);

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        Range<Token> range = new Range<>(Util.token(""), Util.token(""));
        int gcBefore = keyspace.getColumnFamilyStore(cfname).gcBefore(System.currentTimeMillis());
        UUID parentRepSession = UUID.randomUUID();
        ActiveRepairService.instance.registerParentRepairSession(parentRepSession, Arrays.asList(cfs), Arrays.asList(range));
        RepairJobDesc desc = new RepairJobDesc(parentRepSession, UUID.randomUUID(), ksname, cfname, range);
        Validator validator = new Validator(desc, FBUtilities.getBroadcastAddress(), gcBefore);
        CompactionManager.instance.submitValidation(cfs, validator).get();
    }

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    }


    private void testValidationCompleteWrite() throws IOException
    {
        // empty validation
        Validator v0 = new Validator(DESC, FBUtilities.getBroadcastAddress(),  -1);
        ValidationComplete c0 = new ValidationComplete(DESC, v0.tree);


        // validation with a tree
        IPartitioner p = new RandomPartitioner();
        MerkleTree mt = new MerkleTree(p, FULL_RANGE, MerkleTree.RECOMMENDED_DEPTH, Integer.MAX_VALUE);
        for (int i = 0; i < 10; i++)
            mt.split(p.getRandomToken());
        Validator v1 = new Validator(DESC, FBUtilities.getBroadcastAddress(), mt, -1);
        ValidationComplete c1 = new ValidationComplete(DESC, v1.tree);


        // validation failed
        ValidationComplete c3 = new ValidationComplete(DESC);

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Related Classes of org.apache.cassandra.repair.Validator

org.apache.cassandra.db.compaction.LeveledCompactionStrategyTest

org.apache.cassandra.db.DecoratedKey

org.apache.cassandra.repair.messages.ValidationComplete

org.apache.cassandra.service.SerializationsTest

org.apache.cassandra.utils.MerkleTree

java.security.MessageDigest

java.util.Random

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