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/*
 * Copyright 2013 Netflix, Inc.
 *
 * 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.netflix.priam.cassandra.extensions;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.cassandra.locator.InetAddressAndPort;
import org.apache.cassandra.locator.SeedProvider;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/** Retrieves the list of seeds from Priam. */
public class NFSeedProvider implements SeedProvider {
    private static final Logger logger = LoggerFactory.getLogger(NFSeedProvider.class);

    public NFSeedProvider(Map args) {}

    @Override
    public List getSeeds() {
        List seeds = new ArrayList();
        try {
            String priamSeeds =
                    DataFetcher.fetchData(
                            "http://127.0.0.1:8080/Priam/REST/v1/cassconfig/get_seeds");
            for (String seed : priamSeeds.split(",")) seeds.add(InetAddressAndPort.getByName(seed));
        } catch (Exception e) {
            logger.error("Failed to load seed data", e);
        }
        return seeds;
    }
}