com.hmsonline.trident.cql.incremental.CqlIncrementMapper Maven / Gradle / Ivy

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package com.hmsonline.trident.cql.incremental;

import java.util.List;

import storm.trident.tuple.TridentTuple;

import com.datastax.driver.core.Row;
import com.datastax.driver.core.Statement;

public interface CqlIncrementMapper {

    public Statement read(K key);

    public Statement update(K key, V value, PersistedState state, long txid, int partitionIndex);

    public PersistedState currentState(K key, List rows);

    public K getKey(TridentTuple tuple);

    public V getValue(TridentTuple tuple);
}