1 files changed, 89 insertions, 0 deletions
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/KafkaTopicSinkFactory.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/KafkaTopicSinkFactory.java
new file mode 100644
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--- /dev/null
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/KafkaTopicSinkFactory.java
@@ -0,0 +1,89 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2022 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.bus;
+
+import java.util.List;
+import java.util.Properties;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
+
+/**
+ * KAFKA Topic Sink Factory.
+ */
+public interface KafkaTopicSinkFactory {
+
+    /**
+     * Instantiates a new KAFKA Topic Writer.
+     *
+     * @param busTopicParams parameters object
+     * @return an KAFKA Topic Sink
+     */
+    KafkaTopicSink build(BusTopicParams busTopicParams);
+
+    /**
+     * Creates an KAFKA Topic Writer based on properties files.
+     *
+     * @param properties Properties containing initialization values
+     *
+     * @return an KAFKA Topic Writer
+     * @throws IllegalArgumentException if invalid parameters are present
+     */
+    List<KafkaTopicSink> build(Properties properties);
+
+    /**
+     * Instantiates a new KAFKA Topic Writer.
+     *
+     * @param servers list of servers
+     * @param topic topic name
+     *
+     * @return an KAFKA Topic Writer
+     * @throws IllegalArgumentException if invalid parameters are present
+     */
+    KafkaTopicSink build(List<String> servers, String topic);
+
+    /**
+     * Destroys an KAFKA Topic Writer based on a topic.
+     *
+     * @param topic topic name
+     * @throws IllegalArgumentException if invalid parameters are present
+     */
+    void destroy(String topic);
+
+    /**
+     * Destroys all KAFKA Topic Writers.
+     */
+    void destroy();
+
+    /**
+     * gets an KAFKA Topic Writer based on topic name.
+     *
+     * @param topic the topic name
+     *
+     * @return an KAFKA Topic Writer with topic name
+     * @throws IllegalArgumentException if an invalid topic is provided
+     * @throws IllegalStateException if the KAFKA Topic Reader is an incorrect state
+     */
+    KafkaTopicSink get(String topic);
+
+    /**
+     * Provides a snapshot of the KAFKA Topic Writers.
+     *
+     * @return a list of the KAFKA Topic Writers
+     */
+    List<KafkaTopicSink> inventory();
+}