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/*
 * Tencent is pleased to support the open source community by making Polaris available.
 *
 * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
 *
 * Licensed under the BSD 3-Clause License (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * https://opensource.org/licenses/BSD-3-Clause
 *
 * 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.tencent.polaris.metadata.core;

import java.util.Map;
import java.util.function.BiConsumer;

public interface MetadataMapValue extends MetadataValue {

    /**
     * 根据Map的元数据键,获取对应的元数据值,key默认大小写敏感匹配
     * 默认以大小写不敏感进行查询。如果同时存在多个KEY,且多个KEY之间只有大小写区别,则只会返回最晚塞进去的KEY对应的值
     * @param key 元数据键
     * @return 对应的元数据值
     */
    MetadataValue getMapValue(String key);

    /**
     * 根据Map的元数据键,获取对应的元数据值,可以指定是否大小写敏感
     * @param key 元数据键
     * @param keyCaseSensitive 指定是否对KEY进行大小写敏感匹配
     * @return 对应的元数据值
     */
    MetadataValue getMapValue(String key, boolean keyCaseSensitive);

    /**
     * 塞入元数据字符串键值对,用户可以为键值对设置透传类型
     * @param key 元数据键
     * @param value 元数据值
     * @param transitiveType 透传类型
     */
    void putMapStringValue(String key, String value, TransitiveType transitiveType);


    /**
     * 塞入元数据对象键值对,对象键值对不支持透传
     * @param key 元数据键
     * @param value 元数据值
     * @param  元数据值泛型
     */
     void putMetadataObjectValue(String key, T value);

    /**
     * 获取所有的元数据键值对,只读
     * @return 所有元数据键值对
     */
    Map getMapValues();

    /**
     * 遍历所有的元数据键值对
     * @param iterator 遍历回调函数
     */
    void iterateMapValues(BiConsumer iterator);

    /**
     * 获取所有的透传标签列表(包括pass_through和disposal),对于Pass_through会自动带入透传前缀(如有)
     * 只获取带透传标识的StringValue
     * @return 透传标签列表
     */
    Map getTransitiveStringValues();
}




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