Drizzled Public API Documentation

invalidator.h

00001 /* 
00002  * Copyright (C) 2010 Djellel Eddine Difallah
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions are met:
00007  *
00008  *   * Redistributions of source code must retain the above copyright notice,
00009  *     this list of conditions and the following disclaimer.
00010  *   * Redistributions in binary form must reproduce the above copyright notice,
00011  *     this list of conditions and the following disclaimer in the documentation
00012  *     and/or other materials provided with the distribution.
00013  *   * Neither the name of Djellel Eddine Difallah nor the names of its contributors
00014  *     may be used to endorse or promote products derived from this software
00015  *     without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00018  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
00021  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00022  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00023  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00024  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00025  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00026  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
00027  * THE POSSIBILITY OF SUCH DAMAGE.
00028  */
00029 
00030 #pragma once
00031 
00032 #include <drizzled/replication_services.h>
00033 
00034 #include <drizzled/plugin/transaction_replicator.h>
00035 #include <drizzled/plugin/transaction_applier.h>
00036 #include <drizzled/message/transaction.pb.h>
00037 
00038 #include <string>
00039 
00040 namespace drizzled
00041 {
00042   class Session;
00043 }
00044 class Invalidator : public drizzled::plugin::TransactionApplier 
00045 {
00046 public:
00047 
00048   Invalidator(std::string name_arg);
00049 
00051   ~Invalidator() {}
00052 
00058   drizzled::plugin::ReplicationReturnCode
00059   apply(drizzled::Session &in_session,
00060         const drizzled::message::Transaction &to_apply);
00061   
00062 
00063 private:
00064 
00074   void parseStatementTableMetadata(const drizzled::message::Statement &in_statement,
00075                                    std::string &in_schema_name,
00076                                    std::string &in_table_name) const;
00077 
00086   void invalidateByTableName(const std::string &in_schema_name,
00087                              const std::string &in_table_name) const;
00088 
00089 
00090 };
00091