Drizzled Public API Documentation

streams.cc
00001 /* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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00004  * Copyright (C) 2010 Jay Pipes <jaypipes@gmail.com>
00005  * All rights reserved.
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions are met:
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00010  *   * Redistributions of source code must retain the above copyright notice,
00011  *     this list of conditions and the following disclaimer.
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00013  *     this list of conditions and the following disclaimer in the documentation
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00019  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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00031 
00032 #include <config.h>
00033 #include "streams.h"
00034 
00035 #include <drizzled/plugin/transaction_replicator.h>
00036 #include <drizzled/plugin/transaction_applier.h>
00037 
00038 using namespace std;
00039 using namespace drizzled;
00040 
00041 ReplicationStreamsTool::ReplicationStreamsTool() :
00042   plugin::TableFunction("DATA_DICTIONARY", "REPLICATION_STREAMS")
00043 {
00044   add_field("REPLICATOR");
00045   add_field("APPLIER");
00046 }
00047 
00048 ReplicationStreamsTool::Generator::Generator(Field **arg) :
00049   plugin::TableFunction::Generator(arg)
00050 {
00051   ReplicationServices &replication_services= ReplicationServices::singleton();
00052   ReplicationServices::ReplicationStreams &replication_streams=
00053     replication_services.getReplicationStreams();
00054 
00055   it= replication_streams.begin();
00056   end= replication_streams.end();
00057 }
00058 
00059 bool ReplicationStreamsTool::Generator::populate()
00060 {
00061   if (it == end)
00062     return false;
00063 
00064   plugin::TransactionReplicator *replicator= (*it).first;
00065   plugin::TransactionApplier *applier= (*it).second;
00066 
00067   /* REPLICATOR */
00068   push(replicator->getName());
00069 
00070   /* APPLIER */
00071   push(applier->getName());
00072 
00073   ++it;
00074 
00075   return true;
00076 }