/*
 * Copyright 2005-2011 the original author or authors.
 * 
 * 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.wamblee.xmlrouter.impl;

import java.util.LinkedHashMap;
import java.util.Map;

import org.wamblee.xmlrouter.common.Id;
import org.wamblee.xmlrouter.config.Config;

public class CompositeConfig<T> implements ExtendedConfig<T> {

    private Map<Id<T>, T> configs;

    public CompositeConfig() {
        configs = new LinkedHashMap<Id<T>, T>();
    }

    public void add(Config<T> aConfig) {
        for (Id<T> id : aConfig.map().keySet()) {
            configs.put(id, aConfig.map().get(id));
        }
    }

    @Override
    public Map<Id<T>, T> map() {
        return configs;
    }

    @Override
    public boolean remove(Id<T> aId) {
        notSupported();
        return false;
    }

    private void notSupported() {
        throw new RuntimeException("readonly instance");
    }

    @Override
    public Id<T> add(T aT) {
        notSupported();
        return null;
    }
}