io.vertx.up.uca.web.limit.ApiFactor Maven / Gradle / Ivy

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package io.vertx.up.uca.web.limit;

import io.vertx.up.runtime.ZeroMotor;
import io.vertx.up.eon.em.ServerType;
import io.vertx.up.verticle.ZeroApiAgent;

import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;

/**
 * This factor could begin following:
 * 1. Http Api Gateway
 * 2. Rx/Http mode shared.
 */
public class ApiFactor implements Factor {

    private static final Class[] DEFAULT_AGENTS = new Class[]{
            ZeroApiAgent.class
    };

    private static final ConcurrentMap> INTERNALS
            = new ConcurrentHashMap>() {
        {
            this.put(ServerType.API, ZeroApiAgent.class);
        }
    };

    @Override
    public ConcurrentMap> agents() {
        /* 1.Find Agent for deploy **/
        final ConcurrentMap> agents
                = ZeroMotor.agents(ServerType.HTTP, DEFAULT_AGENTS, INTERNALS);
        /* 2. Filter invalid agents. **/
        final Set scanned = new HashSet<>(agents.keySet());
        final Set keeped = INTERNALS.keySet();
        scanned.removeAll(keeped);
        scanned.forEach(agents::remove);
        return agents;
    }
}