org.swisspush.redisques.action.PutLockAction Maven / Gradle / Ivy

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A highly scalable redis-persistent queuing system for vertx

There is a newer version: 4.1.10

package org.swisspush.redisques.action;

import io.vertx.core.Vertx;
import io.vertx.core.eventbus.Message;
import io.vertx.core.json.JsonArray;
import io.vertx.core.json.JsonObject;
import org.slf4j.Logger;
import org.swisspush.redisques.exception.RedisQuesExceptionFactory;
import org.swisspush.redisques.handler.PutLockHandler;
import org.swisspush.redisques.util.QueueConfiguration;
import org.swisspush.redisques.util.QueueStatisticsCollector;
import org.swisspush.redisques.util.RedisProvider;

import java.util.List;

import static org.swisspush.redisques.util.RedisquesAPI.*;

public class PutLockAction extends AbstractQueueAction {

    public PutLockAction(
            Vertx vertx, RedisProvider redisProvider, String address, String queuesKey,
            String queuesPrefix, String consumersPrefix, String locksKey,
            List queueConfigurations,
            RedisQuesExceptionFactory exceptionFactory,
            QueueStatisticsCollector queueStatisticsCollector, Logger log
    ) {
        super(vertx, redisProvider, address, queuesKey, queuesPrefix, consumersPrefix, locksKey,
                queueConfigurations, exceptionFactory, queueStatisticsCollector, log);
    }

    @Override
    public void execute(Message event) {
        JsonObject lockInfo = extractLockInfo(event.body().getJsonObject(PAYLOAD).getString(REQUESTED_BY));
        if (lockInfo != null) {
            JsonArray lockNames = new JsonArray().add(event.body().getJsonObject(PAYLOAD).getString(QUEUENAME));
            if (!jsonArrayContainsStringsOnly(lockNames)) {
                event.reply(createErrorReply().put(ERROR_TYPE, BAD_INPUT).put(MESSAGE, "Lock must be a string value"));
                return;
            }
            var p = redisProvider.redis();
            p.onSuccess(redisAPI -> redisAPI.hmset(buildLocksItems(locksKey, lockNames, lockInfo),
                    new PutLockHandler(event, exceptionFactory)));
            p.onFailure(ex -> handleFail(event,"Operation PutLockAction failed", ex));
        } else {
            event.reply(createErrorReply().put(MESSAGE, "Property '" + REQUESTED_BY + "' missing"));
        }
    }
}