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128 lines
3.9 KiB
C++
128 lines
3.9 KiB
C++
/* ------------------------------------------------------------------------ */
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/* Copyright 2002-2014, OpenNebula Project (OpenNebula.org), C12G Labs */
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/* */
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/* Licensed under the Apache License, Version 2.0 (the "License"); you may */
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/* not use this file except in compliance with the License. You may obtain */
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/* a copy of the License at */
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/* */
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/* http://www.apache.org/licenses/LICENSE-2.0 */
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/* */
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/* Unless required by applicable law or agreed to in writing, software */
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/* distributed under the License is distributed on an "AS IS" BASIS, */
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/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */
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/* See the License for the specific language governing permissions and */
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/* limitations under the License. */
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/* -------------------------------------------------------------------------*/
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#ifndef ZONE_H_
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#define ZONE_H_
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#include "PoolObjectSQL.h"
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#include "NebulaLog.h"
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using namespace std;
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/**
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* The Zone class.
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*/
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class Zone : public PoolObjectSQL
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{
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public:
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/**
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* Function to print the Zone object into a string in XML format
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* @param xml the resulting XML string
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* @return a reference to the generated string
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*/
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string& to_xml(string& xml) const;
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/**
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* Rebuilds the object from an xml formatted string
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* @param xml_str The xml-formatted string
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*
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* @return 0 on success, -1 otherwise
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*/
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int from_xml(const string &xml_str);
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/**
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* Replace template for this object. Object should be updated
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* after calling this method
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* @param tmpl string representation of the template
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*/
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int replace_template(const string& tmpl_str, string& error);
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private:
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// -------------------------------------------------------------------------
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// Friends
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// -------------------------------------------------------------------------
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friend class ZonePool;
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// *************************************************************************
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// Constructor
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// *************************************************************************
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Zone(int id, Template* zone_template);
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~Zone();
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// *************************************************************************
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// DataBase implementation (Private)
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// *************************************************************************
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static const char * db_names;
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static const char * db_bootstrap;
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static const char * table;
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/**
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* Execute an INSERT or REPLACE Sql query.
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* @param db The SQL DB
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* @param replace Execute an INSERT or a REPLACE
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* @param error_str Returns the error reason, if any
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* @return 0 one success
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*/
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int insert_replace(SqlDB *db, bool replace, string& error_str);
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/**
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* Bootstraps the database table(s) associated to the Zone
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* @return 0 on success
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*/
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static int bootstrap(SqlDB * db)
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{
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ostringstream oss(Zone::db_bootstrap);
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return db->exec(oss);
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};
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/**
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* Writes the Zone in the database.
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* @param db pointer to the db
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* @return 0 on success
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*/
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int insert(SqlDB *db, string& error_str);
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/**
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* Writes/updates the Zone's data fields in the database.
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* @param db pointer to the db
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* @return 0 on success
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*/
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int update(SqlDB *db)
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{
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string error_str;
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return insert_replace(db, true, error_str);
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}
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/**
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* Factory method for Zone templates
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*/
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Template * get_new_template() const
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{
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return new Template;
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}
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};
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#endif /*ZONE_H_*/
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