Package org.apache.cassandra.config

Examples of org.apache.cassandra.config.KSMetaData

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        }

        // add entries to system schema columnfamilies for the hardcoded system definitions
        for (String ksname : Schema.systemKeyspaceNames)
        {
            KSMetaData ksmd = Schema.instance.getKSMetaData(ksname);

            // delete old, possibly obsolete entries in schema columnfamilies
            for (String cfname : Arrays.asList(SystemTable.SCHEMA_KEYSPACES_CF, SystemTable.SCHEMA_COLUMNFAMILIES_CF, SystemTable.SCHEMA_COLUMNS_CF))
            {
                String req = String.format("DELETE FROM system.%s WHERE keyspace_name = '%s'", cfname, ksmd.name);
                processInternal(req);
            }

            // (+1 to timestamp to make sure we don't get shadowed by the tombstones we just added)
            ksmd.toSchema(FBUtilities.timestampMicros() + 1).apply();
        }
    }
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     * This is equivalent to calling commit. Applies the changes to
     * to the table that is obtained by calling Table.open().
     */
    public void apply() throws IOException
    {
        KSMetaData ksm = Schema.instance.getTableDefinition(getTable());

        Table.open(table_).apply(this, ksm.durableWrites);
    }
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    public static void announceNewColumnFamily(CFMetaData cfm) throws ConfigurationException
    {
        cfm.validate();

        KSMetaData ksm = Schema.instance.getTableDefinition(cfm.ksName);
        if (ksm == null)
            throw new ConfigurationException(String.format("Cannot add column family '%s' to non existing keyspace '%s'.", cfm.cfName, cfm.ksName));
        else if (ksm.cfMetaData().containsKey(cfm.cfName))
            throw new ConfigurationException(String.format("Cannot add already existing column family '%s' to keyspace '%s'.", cfm.cfName, cfm.ksName));

        announce(cfm.toSchema(FBUtilities.timestampMicros()));
    }
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    public static void announceKeyspaceUpdate(KSMetaData ksm) throws ConfigurationException
    {
        ksm.validate();

        KSMetaData oldKsm = Schema.instance.getKSMetaData(ksm.name);
        if (oldKsm == null)
            throw new ConfigurationException(String.format("Cannot update non existing keyspace '%s'.", ksm.name));

        announce(oldKsm.toSchemaUpdate(ksm, FBUtilities.timestampMicros()));
    }
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        announce(oldCfm.toSchemaUpdate(cfm, FBUtilities.timestampMicros()));
    }

    public static void announceKeyspaceDrop(String ksName) throws ConfigurationException
    {
        KSMetaData oldKsm = Schema.instance.getKSMetaData(ksName);
        if (oldKsm == null)
            throw new ConfigurationException(String.format("Cannot drop non existing keyspace '%s'.", ksName));

        announce(oldKsm.dropFromSchema(FBUtilities.timestampMicros()));
    }
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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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