adapters.xml

<?xml version="1.0"?>

<adapters_conf id="KafkaConnector">
    <metadata_provider>
        <adapter_class>com.lightstreamer.kafka.adapters.pub.KafkaConnectorMetadataAdapter</adapter_class>
        <param name="logging.configuration.path">log4j.properties</param>
    </metadata_provider>

     <data_provider name="QuickStart">
        <!-- ##### GENERAL PARAMETERS ##### -->

        <adapter_class>com.lightstreamer.kafka.adapters.KafkaConnectorDataAdapter</adapter_class>

        <param name="bootstrap.servers">$env.bootstrap_server</param>
        <param name="group.id">$env.group_id</param>

        <!-- ##### ENCRYPTION SETTINGS ##### -->
        <param name="encryption.enable">true</param>
        <param name="encryption.protocol">TLSv1.3</param>
        <param name="encryption.hostname.verification.enable">false</param>

        <!-- ##### AUTHENTICATION SETTINGS ##### -->
        <param name="authentication.enable">true</param>
        <param name="authentication.mechanism">SCRAM-SHA-512</param>
        <param name="authentication.username">$env.username</param>
        <param name="authentication.password">$env.password</param>

        <!-- ##### RECORD EVALUATION SETTINGS ##### -->
        <param name="record.consume.from">EARLIEST</param>
        <param name="record.key.evaluator.type">INTEGER</param>
        <param name="record.value.evaluator.type">JSON</param>

        <!-- ##### RECORD ROUTING SETTINGS ##### -->
        <param name="item-template.stock">stock-#{index=KEY}</param>
        <param name="$env.topic_mapping">item-template.stock</param>

        <!-- ##### RECORD MAPPING SETTINGS ##### -->
        <param name="field.timestamp">#{VALUE.timestamp}</param>
        <param name="field.time">#{VALUE.time}</param>
        <param name="field.stock_name">#{VALUE.name}</param>
        <param name="field.last_price">#{VALUE.last_price}</param>
        <param name="field.ask">#{VALUE.ask}</param>
        <param name="field.ask_quantity">#{VALUE.ask_quantity}</param>
        <param name="field.bid">#{VALUE.bid}</param>
        <param name="field.bid_quantity">#{VALUE.bid_quantity}</param>
        <param name="field.pct_change">#{VALUE.pct_change}</param>
        <param name="field.min">#{VALUE.min}</param>
        <param name="field.max">#{VALUE.max}</param>
        <param name="field.ref_price">#{VALUE.ref_price}</param>
        <param name="field.open_price">#{VALUE.open_price}</param>
        <param name="field.item_status">#{VALUE.item_status}</param>
        <param name="field.ts">#{TIMESTAMP}</param>
        <param name="field.topic">#{TOPIC}</param>
        <param name="field.offset">#{OFFSET}</param>
        <param name="field.partition">#{PARTITION}</param>

    </data_provider>

</adapters_conf>