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

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

import io.vertx.tp.error.RpcPreparingException;
import io.vertx.up.eon.em.ServerType;
import io.vertx.up.fn.Fn;
import io.vertx.up.log.Annal;
import io.vertx.up.runtime.ZeroHeart;
import io.vertx.up.runtime.ZeroMotor;

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

public abstract class AbstractFactor implements Factor {

    @Override
    public ConcurrentMap> agents() {

        /* 1.Find Agent for deploy **/
        ConcurrentMap> agentMap = internals();
        final ConcurrentMap> agents
            = ZeroMotor.agents(ServerType.HTTP, defaults(), agentMap);
        if (agents.containsKey(ServerType.IPC)) {
            // 2. Check etcd server status, IPC Only
            Fn.outUp(!ZeroHeart.isEtcd(),
                logger(), RpcPreparingException.class, this.getClass());
        }
        // 3. Filter invalid agents
        final Set scanned = new HashSet<>(agents.keySet());
        final Set keeped = agentMap.keySet();
        scanned.removeAll(keeped);
        scanned.forEach(agents::remove);
        return agents;
    }

    public abstract Class[] defaults();

    public abstract ConcurrentMap> internals();

    private Annal logger() {
        return Annal.get(getClass());
    }
}