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    • org.redisson.client.protocol.decoder.AggregationCursorResultDecoder Maven / Gradle / Ivy

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    Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC

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    /**
 * Copyright (c) 2013-2024 Nikita Koksharov
 *
 * 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.redisson.client.protocol.decoder;

import org.redisson.api.search.aggregate.AggregationResult;
import org.redisson.client.handler.State;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;

/**
 * 
 * @author Nikita Koksharov
 *
 */
public class AggregationCursorResultDecoder implements MultiDecoder {

    @Override
    public Object decode(List parts, State state) {
        if (parts.isEmpty()) {
            return new AggregationResult(0, Collections.emptyList(), -1);
        }

        List list = (List) parts.get(0);
        long total = (long) list.get(0);
        List> docs = new ArrayList<>();
        if (total > 0) {
            for (int i = 1; i < list.size(); i++) {
                Map attrs = (Map) list.get(i);
                docs.add(attrs);
            }
        }

        long cursorId = (long) parts.get(1);
        return new AggregationResult(total, docs, cursorId);
    }

}
    
    
    
    

    




    
    
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