KeyValueStorage.java example

Explorer
jagger-master
/*
 * Copyright (c) 2010-2012 Grid Dynamics Consulting Services, Inc, All Rights Reserved
 * http://www.griddynamics.com
 *
 * This library is free software; you can redistribute it and/or modify it under the terms of
 * the Apache License; either
 * version 2.0 of the License, or any later version.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.griddynamics.jagger.storage;

import java.util.Collection;
import java.util.Map;

import com.google.common.collect.Multimap;

/**
 * Used for storing data in key-value format.
 *
 * @author Mairbek Khadikov
 *
 */
public interface KeyValueStorage {

    boolean isAvailable();

    void initialize();

    void setSessionId(String sessionId);

    void put(Namespace namespace, String key, Object value);

    void putAll(Namespace namespace, Multimap<String, Object> valuesMap);

    void deleteAll();

    Object fetch(Namespace namespace, String key);

    Object fetchNotNull(Namespace namespace, String key);

    Collection<Object> fetchAll(Namespace namespace, String key);

    Multimap<String, Object> fetchAll(Namespace namespace);
}