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/*
* ============LICENSE_START====================================
* DCAEGEN2-SERVICES-SDK
* =========================================================
* Copyright (C) 2019 Nokia. 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.
* ============LICENSE_END=====================================
*/
package org.onap.dcaegen2.services.sdk.model.streams.dmaap;
import static io.vavr.Predicates.not;
import io.vavr.collection.List;
import org.immutables.value.Value;
import org.jetbrains.annotations.Nullable;
import org.onap.dcaegen2.services.sdk.model.streams.AafCredentials;
/**
* @author <a href="mailto:piotr.jaszczyk@nokia.com">Piotr Jaszczyk</a>
* @since 1.1.4
*/
public interface Kafka {
/**
* Kafka bootstrap servers as defined in Kafka client documentation under <em>bootstrap.servers</em> configuration
* key.
*/
String bootstrapServers();
/**
* The name of the topic where application should publish or subscribe for the messages.
*/
String topicName();
/**
* The credentials to use when authenticating to Kafka cluster or null when connection should be unauthenticated.
*/
@Nullable AafCredentials aafCredentials();
/**
* AAF client role that’s requesting publish or subscribe access to the topic.
*/
@Nullable String clientRole();
/**
* Client id for given AAF client.
*/
@Nullable String clientId();
/**
* The limit on the size of message published to/subscribed from the topic. Can be used to set Kafka client
* <em>max.request.size</em> configuration property.
*/
@Value.Default
default int maxPayloadSizeBytes() {
return 1024 * 1024;
}
/**
* The {@code bootstrapServers} converted to the list of servers' addresses.
*/
@Value.Derived
default List<String> bootstrapServerList() {
return List.of(bootstrapServers().split(",")).filter(not(String::isEmpty));
}
}
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