Package org.apache.cassandra.db.clock

Examples of org.apache.cassandra.db.clock.TimestampReconciler

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public class SuperColumnTest
{  
    @Test
    public void testMissingSubcolumn() {
      SuperColumn sc = new SuperColumn("sc1".getBytes(), LongType.instance, ClockType.Timestamp, new TimestampReconciler());
      sc.addColumn(new Column(getBytes(1), "value".getBytes(), new TimestampClock(1)));
      assertNotNull(sc.getSubColumn(getBytes(1)));
      assertNull(sc.getSubColumn(getBytes(2)));
    }
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    }
   
    @Test
    public void addNewCfToBogusTable() throws InterruptedException
    {
        CFMetaData newCf = new CFMetaData("MadeUpKeyspace", "NewCF", ColumnFamilyType.Standard, ClockType.Timestamp, UTF8Type.instance, null, new TimestampReconciler(), "new cf", 0, false, 1.0, 0, 864000, Collections.<byte[], ColumnDefinition>emptyMap());
        try
        {
            new AddColumnFamily(newCf).apply();
            throw new AssertionError("You shouldn't be able to do anything to a keyspace that doesn't exist.");
        }
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        UUID ver0 = UUIDGen.makeType1UUIDFromHost(FBUtilities.getLocalAddress());
        DefsTable.dumpToStorage(ver0);
        assert DatabaseDescriptor.getDefsVersion().equals(prior);

        // add a cf.
        CFMetaData newCf1 = new CFMetaData("Keyspace1", "MigrationCf_1", ColumnFamilyType.Standard, ClockType.Timestamp, UTF8Type.instance, null, new TimestampReconciler(), "Migration CF ", 0, false, 1.0, 0, 864000, Collections.<byte[], ColumnDefinition>emptyMap());
        Migration m1 = new AddColumnFamily(newCf1);
        m1.apply();
        UUID ver1 = m1.getVersion();
        assert DatabaseDescriptor.getDefsVersion().equals(ver1);
       
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    {
        final String ks = "Keyspace1";
        final String cf = "BrandNewCf";
        KSMetaData original = DatabaseDescriptor.getTableDefinition(ks);

        CFMetaData newCf = new CFMetaData(original.name, cf, ColumnFamilyType.Standard, ClockType.Timestamp, UTF8Type.instance, null, new TimestampReconciler(), "A New Column Family", 0, false, 1.0, 0, 864000, Collections.<byte[], ColumnDefinition>emptyMap());
        assert !DatabaseDescriptor.getTableDefinition(ks).cfMetaData().containsKey(newCf.cfName);
        new AddColumnFamily(newCf).apply();

        assert DatabaseDescriptor.getTableDefinition(ks).cfMetaData().containsKey(newCf.cfName);
        assert DatabaseDescriptor.getTableDefinition(ks).cfMetaData().get(newCf.cfName).equals(newCf);
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    @Test
    public void addNewKS() throws ConfigurationException, IOException, ExecutionException, InterruptedException
    {
        DecoratedKey dk = Util.dk("key0");
        CFMetaData newCf = new CFMetaData("NewKeyspace1", "AddedStandard1", ColumnFamilyType.Standard, ClockType.Timestamp, UTF8Type.instance, null, new TimestampReconciler(), "A new cf for a new ks", 0, false, 1.0, 0, 864000, Collections.<byte[], ColumnDefinition>emptyMap());
        KSMetaData newKs = new KSMetaData(newCf.tableName, RackUnawareStrategy.class, null, 5, newCf);
       
        new AddKeyspace(newKs).apply();
       
        assert DatabaseDescriptor.getTableDefinition(newCf.tableName) != null;
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        KSMetaData newKs = new KSMetaData("EmptyKeyspace", RackUnawareStrategy.class, null, 5);

        new AddKeyspace(newKs).apply();
        assert DatabaseDescriptor.getTableDefinition("EmptyKeyspace") != null;

        CFMetaData newCf = new CFMetaData("EmptyKeyspace", "AddedLater", ColumnFamilyType.Standard, ClockType.Timestamp, UTF8Type.instance, null, new TimestampReconciler(), "A new CF to add to an empty KS", 0, false, 1.0, 0, 864000, Collections.<byte[], ColumnDefinition>emptyMap());

        //should not exist until apply
        assert !DatabaseDescriptor.getTableDefinition(newKs.name).cfMetaData().containsKey(newCf.cfName);

        //add the new CF to the empty space
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        /* Get the first column family from list, this is just to get past validation */
        baseColumnFamily = new ColumnFamily(ColumnFamilyType.Standard,
                                            ClockType.Timestamp,
                                            DatabaseDescriptor.getComparator(Keyspace, CFName),
                                            DatabaseDescriptor.getSubComparator(Keyspace, CFName),
                                            new TimestampReconciler(),
                                            CFMetaData.getId(Keyspace, CFName));
       
        for(ColumnFamily cf : ColumnFamiles) {
            bufOut.reset();
            ColumnFamily.serializer().serializeWithIndexes(cf, bufOut);
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                AbstractReconciler reconciler = getReconciler(cf.reconciler);
                if (reconciler == null)
                {
                    if (cf.clock_type == ClockType.Timestamp)   
                        reconciler = new TimestampReconciler(); // default
                    else
                        throw new ConfigurationException("No reconciler specified for column family " + cf.name);
                }
                if (cf.read_repair_chance < 0.0 || cf.read_repair_chance > 1.0)
                {                       
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        }

        private IColumn unthriftifySuper(SuperColumn super_column)
        {
            ClockType clockType = ClockType.Timestamp; // TODO generalize
            AbstractReconciler reconciler = new TimestampReconciler(); // TODO generalize
            org.apache.cassandra.db.SuperColumn sc = new org.apache.cassandra.db.SuperColumn(super_column.name, subComparator, clockType, reconciler);
            for (Column column : super_column.columns)
            {
                sc.addColumn(unthriftifySimple(column));
            }
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                                                          indexedCfName,
                                                          ColumnFamilyType.Standard,
                                                          ClockType.Timestamp,
                                                          columnComparator,
                                                          null,
                                                          new TimestampReconciler(),
                                                          "",
                                                          0,
                                                          false,
                                                          0,
                                                          0,
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Related Classes of org.apache.cassandra.db.clock.TimestampReconciler

  • org.apache.cassandra.avro.CassandraServer
  • org.apache.cassandra.bulkloader.CassandraBulkLoader
  • org.apache.cassandra.config.DatabaseDescriptor
  • org.apache.cassandra.db.ColumnFamilyStore
  • org.apache.cassandra.db.DefsTest
  • org.apache.cassandra.db.IClock.ClockRelationship
  • org.apache.cassandra.db.SuperColumnTest
  • org.apache.cassandra.hadoop.ColumnFamilyRecordReader$RowIterator
  • org.apache.cassandra.thrift.CassandraServer
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