/*
 * Copyright 2017 Red Hat, Inc. and/or its affiliates.
 *
 * 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.kie.internal.services;

import java.util.HashMap;
import java.util.Map;
import java.util.function.Consumer;

import org.kie.api.KieBase;
import org.kie.api.definition.KiePackage;
import org.kie.api.internal.io.ResourceTypePackage;
import org.kie.api.internal.weaver.KieWeaverService;
import org.kie.api.internal.weaver.KieWeavers;
import org.kie.api.io.ResourceType;

public class KieWeaversImpl implements KieWeavers,
                                       Consumer<KieWeaverService> {

    private Map<ResourceType, KieWeaverService> weavers;

    public KieWeaversImpl() {
        weavers = new HashMap<>();
    }

    public Map<ResourceType, KieWeaverService> getWeavers() {
        return this.weavers;
    }

    @Override
    public void accept(KieWeaverService weaver) {
        weavers.put(weaver.getResourceType(), weaver);
    }

    @Override
    public void weave(KieBase kieBase, KiePackage newPkg, ResourceTypePackage rtkKpg) {
        KieWeaverService svc = weavers.get(rtkKpg.getResourceType());
        if (svc != null) {
            svc.weave(kieBase, newPkg, rtkKpg);
        }
    }

    @Override
    public void merge(KieBase kieBase, KiePackage pkg, ResourceTypePackage rtkKpg) {
        KieWeaverService svc = weavers.get(rtkKpg.getResourceType());
        if (svc != null) {
            svc.merge(kieBase, pkg, rtkKpg);
        }
    }
}
