/*
 * Copyright 2017-2021 Amazon.com, Inc. or its affiliates.
 * All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.amazonaws.mobile.client;

import java.util.Map;

/**
 * Default key value store to be replaced during mobile client initialization.
 */
final class DummyStore implements KeyValueStore {
    @Override
    public Map<String, String> get(String... keys) {
        throwNotInitializedException();
        return null;
    }

    @Override
    public String get(String key) {
        throwNotInitializedException();
        return null;
    }

    @Override
    public void set(Map<String, String> attributes) {
        throwNotInitializedException();
    }

    @Override
    public void set(String key, String value) {
        throwNotInitializedException();

    }

    @Override
    public void clear() {
        throwNotInitializedException();
    }

    private void throwNotInitializedException() {
        throw new IllegalStateException("AWSMobileClient has not been initialized yet.");
    }
}