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Library to make PostgreSQL stored procedures available through simple Java "*SProcService" interfaces including automatic object serialization and deserialization (using typemapper and convention-over-configuration). Supports sharding, advisory locking, statement timeouts and PostgreSQL types such as enums and hstore.

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package de.zalando.sprocwrapper.sharding;

/**
 * @author  jmussler
 */
public class VirtualShardKeyStrategy {

    /**
     * @param   objs  Key Objects
     *
     * @return  virtual shard id
     */
    public int getShardId(final Object[] objs) {
        return 0;
    }
}