1 files changed, 103 insertions, 0 deletions
diff --git a/common/openecomp-tosca-datatype/src/main/java/org/openecomp/sdc/tosca/services/DataModelCloneUtil.java b/common/openecomp-tosca-datatype/src/main/java/org/openecomp/sdc/tosca/services/DataModelCloneUtil.java
new file mode 100644
index 0000000000..e6beb7a3cb
--- /dev/null
+++ b/common/openecomp-tosca-datatype/src/main/java/org/openecomp/sdc/tosca/services/DataModelCloneUtil.java
@@ -0,0 +1,103 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.tosca.services;
+
+
+import org.openecomp.sdc.tosca.datatypes.model.AttributeDefinition;
+import org.openecomp.sdc.tosca.datatypes.model.Constraint;
+import org.openecomp.sdc.tosca.datatypes.model.PropertyDefinition;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+public class DataModelCloneUtil {
+
+  /**
+   * Clone constraints list.
+   *
+   * @param constraints the constraints
+   * @return the list
+   */
+  public static List<Constraint> cloneConstraints(List<Constraint> constraints) {
+
+    if (constraints == null) {
+      return null;
+    }
+    return constraints.stream().map(Constraint::clone).collect(Collectors.toList());
+  }
+
+  /**
+   * Clone property definitions map.
+   *
+   * @param propertyDefinitions the property definitions
+   * @return the map
+   */
+  public static Map<String, PropertyDefinition> clonePropertyDefinitions(
+      Map<String, PropertyDefinition> propertyDefinitions) {
+
+    if (propertyDefinitions == null) {
+      return null;
+    }
+    Map<String, PropertyDefinition> clonedProperties = new HashMap<>();
+    for (String propertyKey : propertyDefinitions.keySet()) {
+      clonedProperties.put(propertyKey, propertyDefinitions.get(propertyKey).clone());
+    }
+
+    return clonedProperties;
+  }
+
+  /**
+   * Clone attribute definitions map.
+   *
+   * @param attributeDefinitions the attribute definitions
+   * @return the map
+   */
+  public static Map<String, AttributeDefinition> cloneAttributeDefinitions(
+      Map<String, AttributeDefinition> attributeDefinitions) {
+
+    if (attributeDefinitions == null) {
+      return null;
+    }
+    Map<String, AttributeDefinition> clonedAttributeDefinitions = new HashMap<>();
+    for (String attributeKey : attributeDefinitions.keySet()) {
+      clonedAttributeDefinitions.put(attributeKey, attributeDefinitions.get(attributeKey).clone());
+    }
+
+    return clonedAttributeDefinitions;
+  }
+
+  /**
+   * Clone valid source types list.
+   *
+   * @param validSourceTypes the valid source types
+   * @return the list
+   */
+  public static List<String> cloneValidSourceTypes(List<String> validSourceTypes) {
+
+    if (validSourceTypes == null) {
+      return null;
+    }
+
+    return validSourceTypes.stream().collect(Collectors.toList());
+  }
+}