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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/* $Rev$ $Date$ */
#include "samples.h"
using namespace std;
void Substitutes::sample()
{
cout << " ********** Substitutes sample *************" << endl;
try
{
DataFactoryPtr mdg = DataFactory::getDataFactory();
XSDHelperPtr xsh = HelperProvider::getXSDHelper(mdg);
xsh->defineFile("companysubs.xsd");
/**
* The companysubs xsd defines some types including a
* type which allows substitutions. The PublicationType is
* the base of BookType and MagazineType, and the substitutions
* are enabled so that properties can be either.
*/
const Type& tstring = mdg->getType("commonj.sdo","String");
const Type& tcomp = mdg->getType("companyNS","CompanyType");
const Type& book = mdg->getType("companyNS","BookType");
const Type& mag = mdg->getType("companyNS","MagazineType");
const Type& pub = mdg->getType("companyNS","PublicationType");
/**
* Create some data to work with
*/
DataObjectPtr comp = mdg->create((Type&)tcomp);
comp->setCString("name","Puflet Publishing");
DataObjectPtr book1 = mdg->create(book);
book1->setCString("author","Mr P B Writer");
/**
* book has a title property because it inherits from Publication
*/
book1->setCString("title","Nowhere Man");
DataObjectPtr mag1 = mdg->create(mag);
/**
* Magazine has an eidtor, and a title inherited from publication
*/
mag1->setCString("editor","Mr B Picky");
// inherited from publication
mag1->setCString("title","Bionicle Weekly");
DataObjectPtr pub1 = mdg->create(pub);
pub1->setCString("title","Noddy In Toyland");
/**
* The property "Publication" is defined as substitutable, so
* any of the book, magazine or publication should be
* acceptable values. When the type is queried, the type
* returned should correspond to the current type of the
* property...
*/
comp->setDataObject("Publication",pub1);
const Type& tpub1 = comp->getDataObject("Publication")->getType();
cout << "Publication is now of type " << tpub1.getName() << endl;
comp->setDataObject("Publication",book1);
const Type& tpub2 = comp->getDataObject("Publication")->getType();
cout << "Publication now is of type " << tpub2.getName() << endl;
comp->setDataObject("Publication",mag1);
const Type& tpub3 = comp->getDataObject("Publication")->getType();
cout << "Publication now is of type " << tpub3.getName() << endl;
/**
* As the substitutes have names, they act as a sort of
* alias, so we can address Publication as Book or Magazine too
*/
comp->setDataObject("Book",book1);
const Type& tpub4 = comp->getDataObject("Book")->getType();
cout << "Book is of type " << tpub4.getName() << endl;
comp->setDataObject("Magazine",mag1);
const Type& tpub5 = comp->getDataObject("Magazine")->getType();
cout << "Magazine is of type " << tpub5.getName() << endl;
}
catch (SDORuntimeException e)
{
cout << "Exception in Substitutes"<< endl;
cout<< e;
}
cout << " ********** Sample ends ********************" << endl;
}
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