/*
 * Copyright 2022 epimethix@protonmail.com
 * 
 * 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 com.github.epimethix.lumicore.ioc;

import java.util.HashMap;
import java.util.Map;
import java.util.Objects;

import com.github.epimethix.lumicore.logging.Log;
import com.github.epimethix.lumicore.logging.Logger;

public class InstanceCounter {
	private final static Logger logger = Log.getLogger(Log.CHANNEL_IOC);

	private static final Map<String, Integer> data = new HashMap<String, Integer>();

	private static int getCount(String className) {
		Integer n = data.get(className);
		if (Objects.isNull(n)) {
			n = 0;
		}
		n++;
		data.put(className, n);
		return n;
	}

	public static void track(Object o) {
		Class<?> cls = o.getClass();
		int count = getCount(cls.getName());
		logger.trace("+ new [%s]#%d@%s", cls.getSimpleName(), count, Integer.toHexString(o.hashCode()));
	}
}
