com.github.ltsopensource.kv.index.Index Maven / Gradle / Ivy

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package com.github.ltsopensource.kv.index;

import com.github.ltsopensource.kv.Entry;
import com.github.ltsopensource.kv.iterator.DBIterator;
import com.github.ltsopensource.kv.txlog.StoreTxLogPosition;

/**
 * @author Robert HG ([email protected]) on 12/18/15.
 */
public interface Index {

    IndexItem getIndexItem(K key);

    IndexItem removeIndexItem(StoreTxLogPosition txLogResult, K key);

    void putIndexItem(StoreTxLogPosition txLogResult, K key, IndexItem indexItem);

    public int size();

    public boolean containsKey(K key);

    DBIterator> iterator();

    StoreTxLogPosition lastTxLog();
}