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package io.vertx.tp.plugin.excel.cell;

import io.vertx.up.util.Ut;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellType;

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.function.Function;

interface Pool {

    ConcurrentMap VALUE_MAP = new ConcurrentHashMap() {
        {
            this.put(Literal.UUID, Ut.singleton(UuidValue.class));
        }
    };

    ConcurrentMap PREFIX_MAP = new ConcurrentHashMap() {
        {
            this.put(Literal.Prefix.JSON, Ut.singleton(JsonValue.class));
        }
    };

    ConcurrentMap> FUNS
            = new ConcurrentHashMap>() {
        {
            this.put(CellType.STRING, Cell::getStringCellValue);
            this.put(CellType.BOOLEAN, Cell::getBooleanCellValue);
            this.put(CellType.NUMERIC, DateValue::toNumeric);
        }
    };
}

interface Literal {
    String UUID = "{UUID}";

    interface Prefix {
        String JSON = "JSON";
    }
}