MemoryTransaction.java

/**
 * Copyright (C) 2009-2015 FoundationDB, LLC
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.foundationdb.server.store;

import java.util.Iterator;
import java.util.Map.Entry;

public interface MemoryTransaction
{
    byte[] get(byte[] key);
    byte[] getUncommitted(byte[] key);

    Iterator<Entry<byte[], byte[]>> getRange(byte[] beginKey, byte[] endKey);
    Iterator<Entry<byte[], byte[]>> getRange(byte[] beginKey, byte[] endKey, boolean reverse);

    void set(byte[] key, byte[] value);

    void clear(byte[] key);
    void clearRange(byte[] beginKey, byte[] endKey);
}