Java Boilerplate Nostalgia - DTO classes with hashCode, equals, toString, getter/setter methods

java-boilerplate-hashcode-equals-tostring.java

public class SettingDTO {
    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (!(o instanceof SettingDTO)) return false;

        SettingDTO filterDTO = (SettingDTO) o;

        if (key != null ? !key.equals(filterDTO.key) : filterDTO.key != null) return false;
        if (value != null ? !value.equals(filterDTO.value) : filterDTO.value != null) return false;

        return true;
    }

    @Override
    public int hashCode() {
        int result = key != null ? key.hashCode() : 0;
        result = 31 * result + (value != null ? value.hashCode() : 0);
        return result;
    }
}

 private static class Header {
    private String timestamp;
    private String eventId;
    private String eventType;
    private long customerId;

    public String getTimestamp() {
        return timestamp;
    }

    public void setTimestamp(String timestamp) {
        this.timestamp = timestamp;
    }

    public String getEventId() {
        return eventId;
    }

    public void setEventId(String eventId) {
        this.eventId = eventId;
    }

    public String getEventType() {
        return eventType;
    }

    public void setEventType(String eventType) {
        this.eventType = eventType;
    }

    public long getCustomerId() {
        return customerId;
    }

    public void setCustomerId(long customerId) {
        this.customerId = customerId;
    }

    @Override
    public String toString() {
        return new ToStringBuilder(this)
                .append("timestamp", timestamp)
                .append("eventId", eventId)
                .append("eventType", eventType)
                .append("customerId", customerId)
                .toString();
    }
}