com.github.lipinskipawel.maelstrom.api.protocol.Event Maven / Gradle / Ivy

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Unofficial java client for Maelstrom server

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package com.github.lipinskipawel.maelstrom.api.protocol;

import com.fasterxml.jackson.annotation.JsonProperty;

import java.util.Objects;

public final class Event {
    @JsonProperty("id")
    public int id;
    @JsonProperty("src")
    public String src;
    @JsonProperty("dest")
    public String dst;
    @JsonProperty("body")
    public T body;

    Event(T body) {
        this.body = body;
    }

    private Event(int id, String src, String dest, T body) {
        this.id = id;
        this.src = src;
        this.dst = dest;
        this.body = body;
    }

    public static  Event createEvent(int id, String src, String dest, T body) {
        return new Event<>(id, src, dest, body);
    }

    public  Event reply(E body) {
        final var response = new Event<>(body);
        response.id = this.id;
        response.src = this.dst;
        response.dst = this.src;
        response.body.inReplyTo = this.body.msgId();
        response.body.msgId = this.body.msgId() + 1;
        return response;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        Event event = (Event) o;
        return id == event.id && Objects.equals(src, event.src) && Objects.equals(dst, event.dst) && Objects.equals(body, event.body);
    }

    @Override
    public int hashCode() {
        return Objects.hash(id, src, dst, body);
    }
}