Examples of org.apache.cassandra.db.Mutation

     *
     * @return Mutation to use to completely remove cf from schema
     */
    public Mutation dropFromSchema(long timestamp)
    {
        Mutation mutation = new Mutation(Keyspace.SYSTEM_KS, SystemKeyspace.getSchemaKSKey(ksName));
        ColumnFamily cf = mutation.addOrGet(SchemaColumnFamiliesCf);
        int ldt = (int) (System.currentTimeMillis() / 1000);


        Composite prefix = SchemaColumnFamiliesCf.comparator.make(cfName);
        cf.addAtom(new RangeTombstone(prefix, prefix.end(), timestamp, ldt));


        for (ColumnDefinition cd : allColumns())
            cd.deleteFromSchema(mutation, timestamp);


        for (TriggerDefinition td : triggers.values())
            td.deleteFromSchema(mutation, cfName, timestamp);


        for (String indexName : Keyspace.open(this.ksName).getColumnFamilyStore(this.cfName).getBuiltIndexes())
        {
            ColumnFamily indexCf = mutation.addOrGet(IndexCf);
            indexCf.addTombstone(indexCf.getComparator().makeCellName(indexName), ldt, timestamp);
        }


        return mutation;
    }

     *
     * @throws ConfigurationException if any of the attributes didn't pass validation
     */
    public Mutation toSchema(long timestamp) throws ConfigurationException
    {
        Mutation mutation = new Mutation(Keyspace.SYSTEM_KS, SystemKeyspace.getSchemaKSKey(ksName));
        toSchema(mutation, timestamp);
        return mutation;
    }

Examples of org.apache.cassandra.db.Mutation

Related Classes of org.apache.cassandra.db.Mutation