/**
 * Copyright © 2016-2019 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.common.data.kv;

import java.io.Serializable;
import java.util.Optional;

/**
 * Represents attribute or any other KV data entry
 *
 * @author ashvayka
 */
public interface KvEntry extends Serializable {

    String getKey();

    DataType getDataType();

    Optional<String> getStrValue();

    Optional<Long> getLongValue();

    Optional<Boolean> getBooleanValue();

    Optional<Double> getDoubleValue();

    String getValueAsString();

    Object getValue();
}
