/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.cassandra.cdc.sidecar;

import com.google.common.collect.ImmutableMap;

import org.apache.cassandra.spark.data.ReplicationFactor;

public interface ReplicationFactorSupplier
{
    ReplicationFactorSupplier DEFAULT = new ReplicationFactorSupplier()
    {
        @Override
        public ReplicationFactor getReplicationFactor(String keyspace)
        {
            return new ReplicationFactor(ImmutableMap.of(
            "class", "SimpleStrategy",
            "replication_factor", "1"));
        }

        @Override
        public ReplicationFactor getMaximalReplicationFactor()
        {
            return getReplicationFactor("keyspace");
        }
    };

    /**
     * @param keyspace Cassandra keyspace name
     * @return ReplicationFactor object for provided keyspace
     */
    ReplicationFactor getReplicationFactor(String keyspace);

    /**
     * @return the maximum replication factor across all CDC keyspaces
     */
    ReplicationFactor getMaximalReplicationFactor();
}
