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103 lines
2.9 KiB
C++
103 lines
2.9 KiB
C++
/* -------------------------------------------------------------------------- */
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/* Copyright 2002-2011, OpenNebula Project Leads (OpenNebula.org) */
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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 OBJECT_COLLECTION_H_
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#define OBJECT_COLLECTION_H_
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#include <set>
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#include "PoolObjectSQL.h"
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using namespace std;
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/**
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* Class to store a set of PoolObjectSQL IDs.
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*/
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class ObjectCollection
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{
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protected:
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ObjectCollection(const string& _collection_name)
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:collection_name(_collection_name){};
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~ObjectCollection(){};
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/**
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* Adds an ID to the set.
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* @param id The new id
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*
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* @return 0 on success, -1 if the ID was already in the set
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*/
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int add_collection_id(int id);
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/**
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* Deletes an ID from the set.
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* @param id The id
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*
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* @return 0 on success, -1 if the ID was not in the set
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*/
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int del_collection_id(int id);
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/**
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* Returns how many IDs are there in the set.
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* @return how many IDs are there in the set.
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*/
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int get_collection_size()
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{
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return collection_set.size();
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};
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/**
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* Rebuilds the object from an xml node
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* @param node The xml node pointer
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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_node(const xmlNodePtr node);
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/**
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* Function to print the Collection object into a string in
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* 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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* Returns a copy of the IDs set
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*/
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set<int> get_collection_copy()
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{
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return set<int> (collection_set);
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};
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private:
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/**
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* The collection's name
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*/
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string collection_name;
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/**
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* Set containing the relations IDs
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*/
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set<int> collection_set;
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};
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#endif /*OBJECT_COLLECTION_H_*/
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