1 files changed, 53 insertions, 0 deletions
diff --git a/plugins/plugins-context/plugins-context-schema/plugins-context-schema-avro/src/main/java/org/onap/policy/apex/plugins/context/schema/avro/AvroEnumObjectMapper.java b/plugins/plugins-context/plugins-context-schema/plugins-context-schema-avro/src/main/java/org/onap/policy/apex/plugins/context/schema/avro/AvroEnumObjectMapper.java
new file mode 100644
index 000000000..ec84450d5
--- /dev/null
+++ b/plugins/plugins-context/plugins-context-schema/plugins-context-schema-avro/src/main/java/org/onap/policy/apex/plugins/context/schema/avro/AvroEnumObjectMapper.java
@@ -0,0 +1,53 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2016-2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.context.schema.avro;
+
+import java.util.List;
+
+import org.apache.avro.Schema;
+import org.apache.avro.generic.GenericData.EnumSymbol;
+
+/**
+ * Object mapper for enums, uses default behaviour except for a specific default constructor
+ * implementation.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class AvroEnumObjectMapper extends AvroDirectObjectMapper {
+    /*
+     * (non-Javadoc)
+     *
+     * @see org.onap.policy.apex.plugins.context.schema.avro.AvroObjectMapper#createNewinstance(org.
+     * apache.avro.Schema)
+     */
+    @Override
+    public Object createNewInstance(final Schema avroSchema) {
+        // Initialize the ENUM to the first ENUM symbol on the list
+        final List<String> enumSymbols = avroSchema.getEnumSymbols();
+
+        // Check if any ENUM symbols have been defined
+        if (enumSymbols == null || enumSymbols.isEmpty()) {
+            return null;
+        }
+
+        return new EnumSymbol(avroSchema, enumSymbols.get(0));
+    }
+}