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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2022-2023 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 Source Factory.
*/
public interface KafkaTopicSourceFactory {
/**
* Creates a Kafka Topic Source based on properties files.
*
* @param properties Properties containing initialization values
*
* @return a Kafka Topic Source
* @throws IllegalArgumentException if invalid parameters are present
*/
List<KafkaTopicSource> build(Properties properties);
/**
* Instantiates a new Kafka Topic Source.
*
* @param busTopicParams parameters object
* @return a Kafka Topic Source
*/
KafkaTopicSource build(BusTopicParams busTopicParams);
/**
* Instantiates a new Kafka Topic Source.
*
* @param servers list of servers
* @param topic topic name
*
* @return a Kafka Topic Source
* @throws IllegalArgumentException if invalid parameters are present
*/
KafkaTopicSource build(List<String> servers, String topic);
/**
* Destroys a Kafka Topic Source based on a topic.
*
* @param topic topic name
* @throws IllegalArgumentException if invalid parameters are present
*/
void destroy(String topic);
/**
* Destroys all Kafka Topic Sources.
*/
void destroy();
/**
* Gets a Kafka Topic Source based on topic name.
*
* @param topic the topic name
* @return a Kafka Topic Source with topic name
* @throws IllegalArgumentException if an invalid topic is provided
* @throws IllegalStateException if the Kafka Topic Source is an incorrect state
*/
KafkaTopicSource get(String topic);
/**
* Provides a snapshot of the Kafka Topic Sources.
*
* @return a list of the Kafka Topic Sources
*/
List<KafkaTopicSource> inventory();
}
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