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ConnAckBuilder Class — netty Architecture

Architecture documentation for the ConnAckBuilder class in MqttMessageBuilders.java from the netty codebase.

Class java

Entity Profile

Dependency Diagram

graph TD
  2e576fcd_0f4b_bddc_38f2_b174765382dd["ConnAckBuilder"]
  7d541d48_e599_e4df_7154_8f69a769e3a4["MqttMessageBuilders.java"]
  2e576fcd_0f4b_bddc_38f2_b174765382dd -->|defined in| 7d541d48_e599_e4df_7154_8f69a769e3a4
  0d1520bc_5a10_41d4_665d_65c9459fa323["ConnAckBuilder()"]
  2e576fcd_0f4b_bddc_38f2_b174765382dd -->|method| 0d1520bc_5a10_41d4_665d_65c9459fa323
  a525845c_a34a_5dad_56b6_d5f9b96b220d["MqttConnAckMessage()"]
  2e576fcd_0f4b_bddc_38f2_b174765382dd -->|method| a525845c_a34a_5dad_56b6_d5f9b96b220d

Relationship Graph

Source Code

codec-mqtt/src/main/java/io/netty/handler/codec/mqtt/MqttMessageBuilders.java lines 304–347

    public static final class ConnAckBuilder {

        private MqttConnectReturnCode returnCode;
        private boolean sessionPresent;
        private MqttProperties properties = MqttProperties.NO_PROPERTIES;
        private ConnAckPropertiesBuilder propsBuilder;

        private ConnAckBuilder() {
        }

        public ConnAckBuilder returnCode(MqttConnectReturnCode returnCode) {
            this.returnCode = returnCode;
            return this;
        }

        public ConnAckBuilder sessionPresent(boolean sessionPresent) {
            this.sessionPresent = sessionPresent;
            return this;
        }

        public ConnAckBuilder properties(MqttProperties properties) {
            this.properties = properties;
            return this;
        }

        public ConnAckBuilder properties(PropertiesInitializer<ConnAckPropertiesBuilder> consumer) {
            if (propsBuilder == null) {
                propsBuilder = new ConnAckPropertiesBuilder();
            }
            consumer.apply(propsBuilder);
            return this;
        }

        public MqttConnAckMessage build() {
            if (propsBuilder != null) {
                properties = propsBuilder.build();
            }
            MqttFixedHeader mqttFixedHeader =
                    new MqttFixedHeader(MqttMessageType.CONNACK, false, MqttQoS.AT_MOST_ONCE, false, 0);
            MqttConnAckVariableHeader mqttConnAckVariableHeader =
                    new MqttConnAckVariableHeader(returnCode, sessionPresent, properties);
            return new MqttConnAckMessage(mqttFixedHeader, mqttConnAckVariableHeader);
        }
    }

Defined In

Source

Frequently Asked Questions

What is the ConnAckBuilder class?
ConnAckBuilder is a class in the netty codebase, defined in codec-mqtt/src/main/java/io/netty/handler/codec/mqtt/MqttMessageBuilders.java.
Where is ConnAckBuilder defined?
ConnAckBuilder is defined in codec-mqtt/src/main/java/io/netty/handler/codec/mqtt/MqttMessageBuilders.java at line 304.

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