1 files changed, 78 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/AvroObjectMapper.java b/plugins/plugins-context/plugins-context-schema/plugins-context-schema-avro/src/main/java/org/onap/policy/apex/plugins/context/schema/avro/AvroObjectMapper.java
new file mode 100644
index 000000000..77de5928e
--- /dev/null
+++ b/plugins/plugins-context/plugins-context-schema/plugins-context-schema-avro/src/main/java/org/onap/policy/apex/plugins/context/schema/avro/AvroObjectMapper.java
@@ -0,0 +1,78 @@
+/*-
+ * ============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 org.apache.avro.Schema;
+import org.apache.avro.Schema.Type;
+import org.onap.policy.apex.model.basicmodel.concepts.AxKey;
+
+/**
+ * This interface is used to allow mapping of Avro object to and from Java objects.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public interface AvroObjectMapper {
+    /**
+     * Get the Java class produced and consumed by this mapper.
+     *
+     * @return the Java class
+     */
+    Class<?> getJavaClass();
+
+    /**
+     * Initialize the mapper is working with.
+     *
+     * @param userKey the user key
+     * @param avroType the avro type
+     */
+    void init(AxKey userKey, Type avroType);
+
+    /**
+     * Create a new instance of the java object the Avro schema maps to.
+     *
+     * @param avroSchema the Avro schema to use to create the new instance
+     * @return a new instance of the object
+     */
+    Object createNewInstance(Schema avroSchema);
+
+    /**
+     * Set the Avro type the mapper is working with.
+     *
+     * @return the avro type
+     */
+    Type getAvroType();
+
+    /**
+     * Map the Avro object to an object Apex can handler.
+     *
+     * @param avroObject the Avro object to map
+     * @return the Apex-compatible object
+     */
+    Object mapFromAvro(Object avroObject);
+
+    /**
+     * Map the Apex object to an Avro object.
+     *
+     * @param object the Apex-compatible object
+     * @return the Avro object
+     */
+    Object mapToAvro(Object object);
+}