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Infinicast SDK to communicate with the cloud.

There is a newer version: 3.0.10

package io.infinicast;

import java.util.concurrent.ConcurrentHashMap;

public class ConcurrentHashmapExtensions {
    public static  V getOrAdd(K key, V value, ConcurrentHashMap map) {
        V result= map.putIfAbsent(key, value);
        return null == result ? value : result;
    }
}