/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.nifi.excel;

import org.apache.nifi.schema.inference.FieldTypeInference;
import org.apache.nifi.serialization.record.DataType;
import org.apache.poi.ss.usermodel.Cell;

import java.util.Map;

/**
 * Shared abstraction for determining Record Field Data Type from Spreadsheet Cell Types
 */
interface CellFieldTypeReader {
    /**
     * Infer Cell Field Type and update Map of Field Type information
     *
     * @param cell Spreadsheet Cell can be null
     * @param fieldName Cell field name for tracking in Field Types required
     * @param fieldTypes Map of Field Name to Field Type Inference information required
     */
    void inferCellFieldType(Cell cell, String fieldName, Map<String, FieldTypeInference> fieldTypes);

    /**
     * Get Record Data Type from Spreadsheet Cell
     *
     * @param cell Spreadsheet Cell can be null
     * @return Record Data Type or null
     */
    DataType getCellDataType(Cell cell);
}
