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Advanced and thread-safe Java Redis client for synchronous, asynchronous, and reactive usage. Supports Cluster, Sentinel, Pipelining, Auto-Reconnect, Codecs and much more.

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/*
 * Copyright 2011-2016 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 com.lambdaworks.redis.cluster;

import java.util.List;
import java.util.function.Predicate;
import java.util.stream.Collectors;

import com.lambdaworks.redis.cluster.api.StatefulRedisClusterConnection;
import com.lambdaworks.redis.cluster.models.partitions.RedisClusterNode;

/**
 * Static selection of nodes.
 * 
 * @param  API type.
 * @param  Command command interface type to invoke multi-node operations.
 * @param  Key type.
 * @param  Value type.
 * @author Mark Paluch
 */
abstract class StaticNodeSelection extends AbstractNodeSelection {

    private final List redisClusterNodes;

    public StaticNodeSelection(StatefulRedisClusterConnection globalConnection, Predicate selector,
            ClusterConnectionProvider.Intent intent) {
        super(globalConnection, intent);

        this.redisClusterNodes = globalConnection.getPartitions().getPartitions().stream().filter(selector)
                .collect(Collectors.toList());
    }

    @Override
    protected List nodes() {
        return redisClusterNodes;
    }
}