/*-
 * ~~~~~~licensing~~~~~~
 * object-factory
 * ==========
 * Copyright (C) 2020 - 2024 EmDev LLC
 * ==========
 * You may not use this file except in accordance with the License Terms of the Copyright
 * Holder located at: https://entaxy.ru/eula . All copyrights, all intellectual property
 * rights to the Software and any copies are the property of the Copyright Holder. Unless
 * it is explicitly allowed the Copyright Holder, the User is prohibited from using the
 * Software for commercial purposes to provide services to third parties.
 * 
 * The Copyright Holder hereby declares that the Software is provided on an "AS IS".
 * Under no circumstances does the Copyright Holder guarantee or promise that the
 * Software provided by him will be suitable or not suitable for the specific purposes
 * of the User, that the Software will meet all commercial and personal subjective
 * expectations of the User, that the Software will work properly, without technical
 * errors, quickly and uninterruptedly.
 * 
 * Under no circumstances shall the Copyright Holder or its Affiliates is not liable
 * to the User for any direct or indirect losses of the User, his expenses or actual
 * damage, including, downtime; loss of bussines; lost profit; lost earnings; loss
 * or damage to data, property, etc.
 * ~~~~~~/licensing~~~~~~
 */
package ru.entaxy.platform.base.objects.factory.impl;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
import org.osgi.service.component.annotations.ReferenceCardinality;
import org.osgi.service.component.annotations.ReferencePolicy;
import org.osgi.service.component.annotations.ReferencePolicyOption;

import ru.entaxy.platform.base.objects.factory.EntaxyFactory;
import ru.entaxy.platform.base.objects.factory.EntaxyFactoryRegistry;

@Component(service = EntaxyFactoryRegistry.class, immediate = true)
public class FactoryRegistry implements EntaxyFactoryRegistry {

    protected Map<String, String> inheritance = new HashMap<>();
    protected Map<String, EntaxyFactory> factories = new HashMap<>();

    @Reference(unbind = "removeFactory", cardinality = ReferenceCardinality.MULTIPLE, policy = ReferencePolicy.DYNAMIC,
            policyOption = ReferencePolicyOption.GREEDY)
    public void addFactory(EntaxyFactory entaxyFactory) {
        this.inheritance.put(entaxyFactory.getId(), entaxyFactory.getParent());
        this.factories.put(entaxyFactory.getId(), entaxyFactory);
    }

    public void removeFactory(EntaxyFactory entaxyFactory) {
        this.inheritance.remove(entaxyFactory.getId());
        this.factories.remove(entaxyFactory.getId());
    }

    @Override
    public String getParentFactory(String factoryId) {
        return this.inheritance.get(factoryId);
    }

    @Override
    public Collection<EntaxyFactory> getAllFactories() {
        return this.factories.values();
    }
}
