io.trino.plugin.kafka.KafkaTopicDescription Maven / Gradle / Ivy
/*
* 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.
*/
package io.trino.plugin.kafka;
import java.util.Optional;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Strings.isNullOrEmpty;
import static java.util.Objects.requireNonNull;
/**
* Json description to parse a row on a Kafka topic. A row contains a message and an optional key. See the documentation for the exact JSON syntax.
*/
public record KafkaTopicDescription(
String tableName,
Optional schemaName,
String topicName,
Optional key,
Optional message)
{
public KafkaTopicDescription
{
checkArgument(!isNullOrEmpty(tableName), "tableName is null or is empty");
requireNonNull(topicName, "topicName is null");
requireNonNull(schemaName, "schemaName is null");
requireNonNull(key, "key is null");
requireNonNull(message, "message is null");
}
}