/*
 * Copyright 2015 Open Networking Laboratory
 *
 * 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.onosproject.store.consistent.impl;

import java.util.Map;
import java.util.Set;

import org.onosproject.store.cluster.impl.NodeInfo;

import static com.google.common.base.Preconditions.checkNotNull;

import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;

/**
 * Partitioned database configuration.
 */
public class DatabaseDefinition {
    private Map<String, Set<NodeInfo>> partitions;
    private Set<NodeInfo> nodes;

    /**
     * Creates a new DatabaseDefinition.
     * @param partitions partition map
     * @param nodes set of nodes
     * @return database definition
     */
    public static DatabaseDefinition from(Map<String, Set<NodeInfo>> partitions, Set<NodeInfo> nodes) {
        checkNotNull(partitions);
        checkNotNull(nodes);
        DatabaseDefinition definition = new DatabaseDefinition();
        definition.partitions = ImmutableMap.copyOf(partitions);
        definition.nodes = ImmutableSet.copyOf(nodes);
        return definition;
    }

    /**
     * Returns the map of database partitions.
     * @return db partition map
     */
    public Map<String, Set<NodeInfo>> getPartitions() {
        return partitions;
    }

    /**
     * Returns the set of nodes.
     * @return nodes
     */
    public Set<NodeInfo> getNodes() {
        return nodes;
    }
}