/*
 * Copyright 2016-2022 chronicle.software
 *
 *       https://chronicle.software
 *
 * 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 net.openhft.chronicle.network.internal.lookuptable;

import net.openhft.chronicle.network.HostnamePortLookupTable;

import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentSkipListMap;
import java.util.function.BiConsumer;

/**
 * Just uses a concurrent map to store the mappings, doesn't work across processes
 */
public class ProcessLocalHostnamePortLookupTable implements HostnamePortLookupTable, java.io.Closeable {

    private final Map<String, InetSocketAddress> aliases;

    public ProcessLocalHostnamePortLookupTable() {
        this.aliases = new ConcurrentSkipListMap<>();
    }

    @Override
    public InetSocketAddress lookup(String description) {
        return aliases.get(description);
    }

    @Override
    public void clear() {
        aliases.clear();
    }

    @Override
    public Set<String> aliases() {
        return aliases.keySet();
    }

    @Override
    public void put(String description, InetSocketAddress address) {
        aliases.put(description, address);
    }

    @Override
    public void forEach(BiConsumer<String, InetSocketAddress> consumer) {
        aliases.forEach(consumer);
    }

    @Override
    public void close() throws IOException {
        clear();
    }
}
