com.bazaarvoice.emodb.table.db.StashTableDAO Maven / Gradle / Ivy

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package com.bazaarvoice.emodb.table.db;

import com.bazaarvoice.emodb.sor.condition.Condition;
import com.bazaarvoice.emodb.table.db.stash.StashTokenRange;

import java.nio.ByteBuffer;
import java.util.Iterator;
import java.util.Set;

public interface StashTableDAO {

    /**
     * Create a snapshot of all tables excluding the ones listed in the blackListTableCondition in the provided placements and their token ranges for Stash.
     */
    void createStashTokenRangeSnapshot(String stashId, Set placements, Condition blackListTableCondition);

    /**
     * Gets all token ranges for tables from the previously created snapshot using {@link #createStashTokenRangeSnapshot(String, Set, Condition)}
     * in the requested range.
     */
    Iterator getStashTokenRangesFromSnapshot(String stashId, String placement, ByteBuffer fromInclusive, ByteBuffer toExclusive);

    /**
     * Clears a stash token range snapshot previously created using {@link #createStashTokenRangeSnapshot(String, Set, Condition)}.
     */
    void clearStashTokenRangeSnapshot(String stashId);
}