1 files changed, 121 insertions, 0 deletions
diff --git a/sdo-cpp/tags/cpp-sdo-1.0.incubating-M3/samples/misc/Substitutes.cpp b/sdo-cpp/tags/cpp-sdo-1.0.incubating-M3/samples/misc/Substitutes.cpp
new file mode 100644
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+++ b/sdo-cpp/tags/cpp-sdo-1.0.incubating-M3/samples/misc/Substitutes.cpp
@@ -0,0 +1,121 @@
+/*
+ * 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;
+}