/*
 * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors.
 *
 * 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 org.switchyard.quickstarts.camel.jpa.binding;

import java.util.Calendar;
import java.util.Random;

import javax.inject.Inject;

import org.apache.log4j.Logger;
import org.switchyard.component.bean.Reference;
import org.switchyard.component.bean.Service;
import org.switchyard.quickstarts.camel.jpa.binding.domain.Greet;

/**
 * Implementation of scheduler service.
 */
@Service(PeriodicService.class)
public class PeriodicServiceImpl implements PeriodicService {

    // some values to populate entity
    private final static String[] NAMES = {
        "Keith", "David", "Brian", "Rob",
        "Tomo", "Lukasz", "Magesh", "Tom"
    };

    private Logger _logger = Logger.getLogger(PeriodicServiceImpl.class);

    @Inject
    @Reference("StoreReference")
    private StoreService _store;

    @Override
    public void execute() {
        Greet greet = createRandomGreet();
        _logger.info("Sending " + greet + " to JPA store");
        _store.storeGreeting(greet);
    }

    private Greet createRandomGreet() {
        Random random = new Random(System.currentTimeMillis());

        Greet event = new Greet();
        event.setReceiver(NAMES[random.nextInt(NAMES.length)]);
        event.setSender(NAMES[random.nextInt(NAMES.length)]);
        event.setCreatedAt(Calendar.getInstance());
        return event;
    }

}
