Package org.apache.cassandra.config

Examples of org.apache.cassandra.config.KSMetaData

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    public DropKeyspace(String name) throws ConfigurationException, IOException
    {
        super(UUIDGen.makeType1UUIDFromHost(FBUtilities.getLocalAddress()), DatabaseDescriptor.getDefsVersion());
        this.name = name;
        KSMetaData ksm = DatabaseDescriptor.getTableDefinition(name);
        if (ksm == null)
            throw new ConfigurationException("Keyspace does not exist.");
        rm = makeDefinitionMutation(null, ksm, newVersion);
    }
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    {
        String snapshotName = Table.getTimestampedSnapshotName(null);
        CompactionManager.instance.getCompactionLock().lock();
        try
        {
            KSMetaData ksm = DatabaseDescriptor.getTableDefinition(name);

            // remove all cfs from the table instance.
            for (CFMetaData cfm : ksm.cfMetaData().values())
            {
                ColumnFamilyStore cfs = Table.open(ksm.name).getColumnFamilyStore(cfm.cfName);
                CFMetaData.purge(cfm);
                if (!clientMode)
                {
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        // create the new ksm by merging the one passed in with the cf defs from the exisitng ksm.
        oldKsm = DatabaseDescriptor.getKSMetaData(ksm.name);
        if (oldKsm == null)
            throw new ConfigurationException(ksm.name + " cannot be updated because it doesn't exist.");
        this.newKsm = new KSMetaData(ksm.name, ksm.strategyClass, ksm.strategyOptions, ksm.replicationFactor, oldKsm.cfMetaData().values().toArray(new CFMetaData[]{}));
        rm = makeDefinitionMutation(newKsm, oldKsm, newVersion);
    }
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    }

    private Table(String table)
    {
        name = table;
        KSMetaData ksm = DatabaseDescriptor.getKSMetaData(table);
        assert ksm != null : "Unknown keyspace " + table;
        try
        {
            createReplicationStrategy(ksm);
        }
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        assert defs.size() > 0;
        assert defs.size() == DatabaseDescriptor.getNonSystemTables().size();
        for (KSMetaData loaded : defs)
        {
            KSMetaData defined = DatabaseDescriptor.getTableDefinition(loaded.name);
            assert defined.equals(loaded);
        }
    }
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    @Test
    public void addNewCF() throws ConfigurationException, IOException, ExecutionException, InterruptedException
    {
        final String ks = "Keyspace1";
        final String cf = "BrandNewCf";
        KSMetaData original = DatabaseDescriptor.getTableDefinition(ks);

        CFMetaData newCf = addTestCF(original.name, cf, "A New Column Family");

        assert !DatabaseDescriptor.getTableDefinition(ks).cfMetaData().containsKey(newCf.cfName);
        new AddColumnFamily(newCf).apply();
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    @Test
    public void dropCf() throws ConfigurationException, IOException, ExecutionException, InterruptedException
    {
        DecoratedKey dk = Util.dk("dropCf");
        // sanity
        final KSMetaData ks = DatabaseDescriptor.getTableDefinition("Keyspace1");
        assert ks != null;
        final CFMetaData cfm = ks.cfMetaData().get("Standard1");
        assert cfm != null;
       
        // write some data, force a flush, then verify that files exist on disk.
        RowMutation rm = new RowMutation(ks.name, dk.key);
        for (int i = 0; i < 100; i++)
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    @Test
    public void renameCf() throws ConfigurationException, IOException, ExecutionException, InterruptedException
    {
        DecoratedKey dk = Util.dk("key0");
        final KSMetaData ks = DatabaseDescriptor.getTableDefinition("Keyspace2");
        assert ks != null;
        final CFMetaData oldCfm = ks.cfMetaData().get("Standard1");
        assert oldCfm != null;
       
        // write some data, force a flush, then verify that files exist on disk.
        RowMutation rm = new RowMutation(ks.name, dk.key);
        for (int i = 0; i < 100; i++)
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    public void addNewKS() throws ConfigurationException, IOException, ExecutionException, InterruptedException
    {
        DecoratedKey dk = Util.dk("key0");
        CFMetaData newCf = addTestCF("NewKeyspace1", "AddedStandard1", "A new cf for a new ks");

        KSMetaData newKs = new KSMetaData(newCf.tableName, SimpleStrategy.class, null, 5, newCf);
       
        new AddKeyspace(newKs).apply();
       
        assert DatabaseDescriptor.getTableDefinition(newCf.tableName) != null;
        assert DatabaseDescriptor.getTableDefinition(newCf.tableName) == newKs;
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    @Test
    public void dropKS() throws ConfigurationException, IOException, ExecutionException, InterruptedException
    {
        DecoratedKey dk = Util.dk("dropKs");
        // sanity
        final KSMetaData ks = DatabaseDescriptor.getTableDefinition("Keyspace1");
        assert ks != null;
        final CFMetaData cfm = ks.cfMetaData().get("Standard2");
        assert cfm != null;

        // write some data, force a flush, then verify that files exist on disk.
        RowMutation rm = new RowMutation(ks.name, dk.key);
        for (int i = 0; i < 100; i++)
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