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MqttSubAckPayload Class — netty Architecture

Architecture documentation for the MqttSubAckPayload class in MqttSubAckPayload.java from the netty codebase.

Class java

Entity Profile

Dependency Diagram

graph TD
  a253d873_d4c2_d3f4_be37_3a54b1d9fe63["MqttSubAckPayload"]
  b62c281e_94e4_6492_f47c_28be8ed8a49a["MqttSubAckPayload.java"]
  a253d873_d4c2_d3f4_be37_3a54b1d9fe63 -->|defined in| b62c281e_94e4_6492_f47c_28be8ed8a49a
  f947a859_6cac_cdfc_022d_65bacf082081["MqttSubAckPayload()"]
  a253d873_d4c2_d3f4_be37_3a54b1d9fe63 -->|method| f947a859_6cac_cdfc_022d_65bacf082081
  6db6e876_7bf9_5385_8822_5797eda41523["grantedQoSLevels()"]
  a253d873_d4c2_d3f4_be37_3a54b1d9fe63 -->|method| 6db6e876_7bf9_5385_8822_5797eda41523
  f78e86a4_1d8c_47a3_e82a_9ccf5013f315["reasonCodes()"]
  a253d873_d4c2_d3f4_be37_3a54b1d9fe63 -->|method| f78e86a4_1d8c_47a3_e82a_9ccf5013f315
  c3cf96ee_39cd_8659_48aa_4ac237b36aa2["typedReasonCodesToOrdinal()"]
  a253d873_d4c2_d3f4_be37_3a54b1d9fe63 -->|method| c3cf96ee_39cd_8659_48aa_4ac237b36aa2
  ad646002_298c_d5b3_f193_b2cd0c6ae186["typedReasonCodes()"]
  a253d873_d4c2_d3f4_be37_3a54b1d9fe63 -->|method| ad646002_298c_d5b3_f193_b2cd0c6ae186
  135ddbd2_694d_9991_4bce_9c2ae0cd8a8e["String()"]
  a253d873_d4c2_d3f4_be37_3a54b1d9fe63 -->|method| 135ddbd2_694d_9991_4bce_9c2ae0cd8a8e

Relationship Graph

Source Code

codec-mqtt/src/main/java/io/netty/handler/codec/mqtt/MqttSubAckPayload.java lines 31–101

public class MqttSubAckPayload {

    private final List<MqttReasonCodes.SubAck> reasonCodes;

    public MqttSubAckPayload(int... reasonCodes) {
        ObjectUtil.checkNotNull(reasonCodes, "reasonCodes");

        List<MqttReasonCodes.SubAck> list = new ArrayList<MqttReasonCodes.SubAck>(reasonCodes.length);
        for (int v: reasonCodes) {
            list.add(MqttReasonCodes.SubAck.valueOf((byte) (v & 0xFF)));
        }
        this.reasonCodes = Collections.unmodifiableList(list);
    }

    public MqttSubAckPayload(MqttReasonCodes.SubAck... reasonCodes) {
        ObjectUtil.checkNotNull(reasonCodes, "reasonCodes");

        List<MqttReasonCodes.SubAck> list = new ArrayList<MqttReasonCodes.SubAck>(reasonCodes.length);
        list.addAll(Arrays.asList(reasonCodes));
        this.reasonCodes = Collections.unmodifiableList(list);
    }

    public MqttSubAckPayload(Iterable<Integer> reasonCodes) {
        ObjectUtil.checkNotNull(reasonCodes, "reasonCodes");
        List<MqttReasonCodes.SubAck> list = new ArrayList<MqttReasonCodes.SubAck>();
        for (Integer v: reasonCodes) {
            if (v == null) {
                break;
            }
            list.add(MqttReasonCodes.SubAck.valueOf(v.byteValue()));
        }
        this.reasonCodes = Collections.unmodifiableList(list);
    }

    public List<Integer> grantedQoSLevels() {
        List<Integer> qosLevels = new ArrayList<Integer>(reasonCodes.size());
        for (MqttReasonCodes.SubAck code: reasonCodes) {
            if ((code.byteValue() & 0xFF) > MqttQoS.EXACTLY_ONCE.value()) {
                qosLevels.add(MqttQoS.FAILURE.value());
            } else {
                qosLevels.add(code.byteValue() & 0xFF);
            }
        }
        return qosLevels;
    }

    public List<Integer> reasonCodes() {
        return typedReasonCodesToOrdinal();
    }

    private List<Integer> typedReasonCodesToOrdinal() {
        List<Integer> intCodes = new ArrayList<Integer>(reasonCodes.size());
        for (MqttReasonCodes.SubAck code: reasonCodes) {
            intCodes.add(code.byteValue() & 0xFF);
        }
        return intCodes;
    }

    public List<MqttReasonCodes.SubAck> typedReasonCodes() {
        return reasonCodes;
    }

    @Override
    public String toString() {
        return new StringBuilder(StringUtil.simpleClassName(this))
            .append('[')
            .append("reasonCodes=").append(reasonCodes)
            .append(']')
            .toString();
    }
}

Defined In

Source

Frequently Asked Questions

What is the MqttSubAckPayload class?
MqttSubAckPayload is a class in the netty codebase, defined in codec-mqtt/src/main/java/io/netty/handler/codec/mqtt/MqttSubAckPayload.java.
Where is MqttSubAckPayload defined?
MqttSubAckPayload is defined in codec-mqtt/src/main/java/io/netty/handler/codec/mqtt/MqttSubAckPayload.java at line 31.

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