/**
 * Copyright © 2016-2022 The Thingsboard Authors
 *
 * 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 org.thingsboard.server.cache;

import lombok.Getter;
import lombok.RequiredArgsConstructor;
import lombok.Setter;
import lombok.extern.slf4j.Slf4j;

import java.io.Serializable;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;

@Slf4j
@RequiredArgsConstructor
public class CaffeineTbCacheTransaction<K extends Serializable, V extends Serializable> implements TbCacheTransaction<K, V> {
    @Getter
    private final UUID id = UUID.randomUUID();
    private final CaffeineTbTransactionalCache<K, V> cache;
    @Getter
    private final List<K> keys;
    @Getter
    @Setter
    private boolean failed;

    private final Map<Object, Object> pendingPuts = new LinkedHashMap<>();

    @Override
    public void putIfAbsent(K key, V value) {
        pendingPuts.put(key, value);
    }

    @Override
    public boolean commit() {
        return cache.commit(id, pendingPuts);
    }

    @Override
    public void rollback() {
        cache.rollback(id);
    }


}
