1 files changed, 117 insertions, 0 deletions
diff --git a/sca-cpp/tags/cpp-stable-20060304/sdo/runtime/core/src/commonj/sdo/DataGraphImpl.cpp b/sca-cpp/tags/cpp-stable-20060304/sdo/runtime/core/src/commonj/sdo/DataGraphImpl.cpp
new file mode 100644
index 0000000000..636dbed25f
--- /dev/null
+++ b/sca-cpp/tags/cpp-stable-20060304/sdo/runtime/core/src/commonj/sdo/DataGraphImpl.cpp
@@ -0,0 +1,117 @@
+/*
+ *
+ *  Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ *
+ *  Licensed 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: 2005/12/22 16:54:14 $ */
+
+#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 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);
+    }
+
+    };
+};