io.gravitee.gateway.services.healthcheck.rule.EndpointRuleCronHandler Maven / Gradle / Ivy

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/*
 * Copyright © 2015 The Gravitee team (http://gravitee.io)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.gravitee.gateway.services.healthcheck.rule;

import io.gravitee.definition.model.Endpoint;
import io.gravitee.gateway.services.healthcheck.EndpointRule;
import io.vertx.core.Handler;
import io.vertx.core.Vertx;
import java.io.Serializable;

/**
 * @author Guillaume CUSNIEUX (guillaume.cusnieux at graviteesource.com)
 * @author GraviteeSource Team
 */
public class EndpointRuleCronHandler implements Handler, Serializable {

    private final transient Vertx vertx;
    private final Endpoint endpoint;
    private transient EndpointRuleHandler handler;
    private long timerId;

    public EndpointRuleCronHandler(Vertx vertx, EndpointRule rule) {
        this.vertx = vertx;
        this.endpoint = rule.endpoint();
    }

    public EndpointRuleCronHandler schedule(EndpointRuleHandler handler) {
        if (handler == null) {
            throw new IllegalArgumentException("Handler is null.");
        }
        this.handler = handler;
        handler.setRescheduleHandler(v -> this.timerId = vertx.setTimer(handler.getDelayMillis(), this));
        timerId = vertx.setTimer(handler.getDelayMillis(), this);
        return this;
    }

    @Override
    public void handle(final Long timerId) {
        handler.handle(this.timerId);
    }

    public void cancel() {
        vertx.cancelTimer(timerId);
        handler.close();
    }

    public long getTimerId() {
        return timerId;
    }

    public Endpoint getEndpoint() {
        return endpoint;
    }
}