CustomEventDb.java

package ch.rasc.wampspring.demo.various.scheduler;

import java.time.LocalDateTime;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicInteger;

public class CustomEventDb {
	private final static Map<Integer, CustomEvent> db = new ConcurrentHashMap<>();

	private final static AtomicInteger lastId = new AtomicInteger();

	static {
		db.put(1,
				new CustomEvent(1, 2, "Chase turkey",
						LocalDateTime.of(2013, 3, 1, 8, 0, 0),
						LocalDateTime.of(2013, 3, 1, 10, 0, 0), true));
		db.put(2,
				new CustomEvent(2, 1, "Stuff turkey",
						LocalDateTime.of(2013, 3, 1, 10, 0, 0),
						LocalDateTime.of(2013, 3, 1, 12, 0, 0), true));
		db.put(3,
				new CustomEvent(3, 3, "Cook turkey",
						LocalDateTime.of(2013, 3, 1, 12, 0, 0),
						LocalDateTime.of(2013, 3, 1, 15, 0, 0), true));
		db.put(4,
				new CustomEvent(4, 5, "Set table", LocalDateTime.of(2013, 3, 1, 14, 0, 0),
						LocalDateTime.of(2013, 3, 1, 16, 0, 0), false));
		db.put(5,
				new CustomEvent(5, 4, "Serve dinner",
						LocalDateTime.of(2013, 3, 1, 16, 0, 0),
						LocalDateTime.of(2013, 3, 1, 19, 0, 0), false));
		db.put(6,
				new CustomEvent(6, 6, "Hack on Java/Springframework",
						LocalDateTime.of(2013, 3, 1, 16, 0, 0),
						LocalDateTime.of(2013, 3, 1, 18, 30, 0), false));
		db.put(7,
				new CustomEvent(7, 7, "Clean up", LocalDateTime.of(2013, 3, 1, 19, 0, 0),
						LocalDateTime.of(2013, 3, 1, 20, 30, 0), false));
		db.put(78,
				new CustomEvent(8, 8, "Do laundry",
						LocalDateTime.of(2013, 3, 1, 17, 0, 0),
						LocalDateTime.of(2013, 3, 1, 19, 0, 0), false));

		lastId.set(8);
	}

	public static Collection<CustomEvent> list() {
		return Collections.unmodifiableCollection(db.values());
	}

	public static void create(CustomEvent newEvent) {
		newEvent.setId(lastId.incrementAndGet());
		db.put(newEvent.getId(), newEvent);
	}

	public static CustomEvent read(int id) {
		return db.get(id);
	}

	public static void update(CustomEvent updatedEvent) {
		db.put(updatedEvent.getId(), updatedEvent);
	}

	public static void delete(List<Integer> ids) {
		for (Integer id : ids) {
			db.remove(id);
		}
	}
}