1 files changed, 98 insertions, 0 deletions
diff --git a/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/service/ccvpn/SimpleEvent.java b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/service/ccvpn/SimpleEvent.java
new file mode 100644
index 00000000..8277380d
--- /dev/null
+++ b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/service/ccvpn/SimpleEvent.java
@@ -0,0 +1,98 @@
+/*******************************************************************************
+ *  ============LICENSE_START=======================================================
+ *  slice-analysis-ms
+ *  ================================================================================
+ *   Copyright (C) 2022 Huawei Canada Limited.
+ *  =============================================================================
+ *     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.onap.slice.analysis.ms.service.ccvpn;
+
+import java.time.Instant;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+
+/**
+ * SimpleEvent a generic class implements Event (CCVPN) interface;
+ * It is the message entity inside CCVPN Closed-loop
+ *
+ * @param <T> message type
+ * @param <S> message paylaod
+ */
+public class SimpleEvent<T extends Enum, S> implements Event<T, S> {
+    private final T type;
+    private final S subject;
+    private final long time;
+
+    /**
+     * All the event types
+     */
+    public enum Type {
+        PERIODIC_CHECK,
+        ONDEMAND_CHECK,
+        AAI_BW_REQ
+    }
+
+    /**
+     * Event contructor
+     * @param type event type
+     * @param subject event content
+     */
+    public SimpleEvent(T type, S subject) {
+        this.type = type;
+        this.subject = subject;
+        this.time = System.currentTimeMillis();
+    }
+
+    /**
+     * Return the epoch time of this event happened.
+     * @return long value of epoch time
+     */
+    @Override
+    public long time() {
+        return time;
+    }
+
+    /**
+     * Return the type of this event.
+     * @return event type
+     */
+    @Override
+    public T type() {
+        return type;
+    }
+
+    /**
+     * Return the subject of this event
+     * @return event content
+     */
+    @Override
+    public S subject() {
+        return subject;
+    }
+
+    /**
+     * toString method
+     * @return toString
+     */
+    @Override
+    public String toString() {
+        return new StringBuilder()
+                .append("time " + LocalDateTime.ofInstant(Instant.ofEpochMilli(time), ZoneId.systemDefault()))
+                .append("type " + type())
+                .append("subject " + subject())
+                .toString();
+    }
+}