1 files changed, 147 insertions, 0 deletions
diff --git a/sdo-cpp/branches/sdo-cpp-pre2.1/runtime/core/src/commonj/sdo/DataGraphImpl.cpp b/sdo-cpp/branches/sdo-cpp-pre2.1/runtime/core/src/commonj/sdo/DataGraphImpl.cpp
new file mode 100644
index 0000000000..3d4919767e
--- /dev/null
+++ b/sdo-cpp/branches/sdo-cpp-pre2.1/runtime/core/src/commonj/sdo/DataGraphImpl.cpp
@@ -0,0 +1,147 @@
+/*
+ * 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 "commonj/sdo/DataGraphImpl.h"
+#include "commonj/sdo/DataObjectImpl.h"
+#include "commonj/sdo/SDORuntimeException.h"
+
+
+
+namespace commonj{
+    namespace sdo {
+
+/** 
+ * DataGraphImpl implements DataGraph.
+ * DataGraph holds a whole graph of data objects, starting from
+ * a single root. This class is not currently used in the C++
+ * implementation, but will be required by DAS implementations.
+ */
+        DataGraphImpl::~DataGraphImpl()
+    {
+    }
+
+    DataGraphImpl::DataGraphImpl(DataFactoryPtr fac)
+    {
+        factory = fac;
+        root = 0;
+    }
+
+
+    DataObjectPtr DataGraphImpl::getRootObject()
+    {
+        return root;
+    }
+
+    const char* DataGraphImpl::getRootElementName()
+    {
+        if (root == 0) return 0; 
+        return root->getInstanceProperties()[0].getName();
+    }
+
+    void DataGraphImpl::setRootObject(DataObjectPtr dob)
+    {
+        if (root != 0)
+        {
+            SDO_THROW_EXCEPTION("setRootObject",SDOUnsupportedOperationException,
+                "Root data object already exists");
+        }
+        root = dob;
+    }
+
+
+//     DataObjectPtr DataGraphImpl::createRootObject(const char* uri,
+//                         const char* name)
+//     {
+//         if (root != 0)
+//         {
+//             SDO_THROW_EXCEPTION("createRootObject",SDOUnsupportedOperationException,
+//                 "Root data object already exists");
+//         }
+//         root = factory->create(uri,name);
+//         if (root->getInstanceProperties()[0].getType().isDataType())
+//         {
+//             SDO_THROW_EXCEPTION("createRootObject",SDOUnsupportedOperationException,
+//                 "Root data object cannot have a datatype property at element 0");
+//         }
+//         return root;
+//     }
+
+    DataObjectPtr DataGraphImpl::createRootObject(const char* uri,
+                        const char* name)
+    {
+      return createRootObject(SDOString(uri), SDOString(name));
+    }
+
+    DataObjectPtr DataGraphImpl::createRootObject(const SDOString& uri,
+                        const SDOString& name)
+    {
+        if (root != 0)
+        {
+            SDO_THROW_EXCEPTION("createRootObject",SDOUnsupportedOperationException,
+                "Root data object already exists");
+        }
+        root = factory->create(uri,name);
+        if (root->getInstanceProperties()[0].getType().isDataType())
+        {
+            SDO_THROW_EXCEPTION("createRootObject",SDOUnsupportedOperationException,
+                "Root data object cannot have a datatype property at element 0");
+        }
+        return root;
+    }
+
+
+    DataObjectPtr DataGraphImpl::createRootObject(const Type& t)
+    {
+        if (root != 0)
+        {
+            SDO_THROW_EXCEPTION("createRootObject",SDOUnsupportedOperationException,
+                "Root data object already exists");
+        }
+        root = factory->create(t);
+        if (root->getInstanceProperties()[0].getType().isDataType())
+        {
+            SDO_THROW_EXCEPTION("createRootObject",SDOUnsupportedOperationException,
+                "Root data object cannot have a datatype property at element 0");
+        }
+        return root;
+    }
+
+
+    ChangeSummaryPtr DataGraphImpl::getChangeSummary()
+    {
+        if (!root) return 0;
+        return root->getChangeSummary();
+    }
+
+
+    const Type& DataGraphImpl::getType(const char* uri,
+                            const char* name)
+    {
+        return factory->getType(uri,name);
+    }
+    const Type& DataGraphImpl::getType(const SDOString& uri,
+                            const SDOString& name)
+    {
+        return factory->getType(uri,name);
+    }
+
+    };
+};