Adding client class for sending message to topic

1) Adding TopicSinkClient class for sending messages to topic. The same
class will be used for PAP->PDP & PDP->PAP communication.

2) Once this review is through, will raise another one to remove
PdpClient from policy/pap.

Change-Id: I7253683d9e88885cfbe2ac9041d01da239b9321b
Issue-ID: POLICY-1443
Signed-off-by: ramverma <ram.krishna.verma@est.tech>

1 files changed, 51 insertions, 0 deletions

diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/client/TopicSinkClientException.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/client/TopicSinkClientException.java
new file mode 100644
index 00000000..608393b3
--- /dev/null
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/client/TopicSinkClientException.java
@@ -0,0 +1,51 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP PAP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.policy.common.endpoints.event.comm.client;
+
+/**
+ * Exception thrown by TopicSink client classes.
+ */
+public class TopicSinkClientException extends Exception {
+    private static final long serialVersionUID = 1L;
+
+    public TopicSinkClientException() {
+        super();
+    }
+
+    public TopicSinkClientException(final String message) {
+        super(message);
+    }
+
+    public TopicSinkClientException(final Throwable cause) {
+        super(cause);
+    }
+
+    public TopicSinkClientException(final String message, final Throwable cause) {
+        super(message, cause);
+    }
+
+    public TopicSinkClientException(final String message, final Throwable cause, final boolean enableSuppression,
+            final boolean writableStackTrace) {
+        super(message, cause, enableSuppression, writableStackTrace);
+    }
+
+}