dev 契约锁

P15GEN2\59518

2024-05-29 d4210c7c4b04abde20037ea8aa0f54ef8a2649aa

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package foundation.io.engine;
 
import java.io.File;
import java.io.IOException;
 
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
 
import foundation.io.define.DataIO;
import foundation.io.define.IOSpeedMode;
import foundation.io.file.BookBatchWriter;
import foundation.io.file.BookStandardWriter;
 
public abstract class IWorkBookWriter {
 
    protected static Logger logger;
    protected static boolean close;
    
    static {
        logger = LogManager.getLogger(IWorkBookWriter.class);
    }
    
    public static IWorkBookWriter newInstance(File file, IOSpeedMode ioMode, int batchCount) throws IOException {
        IWorkBookWriter writer = null;
        
        if (IOSpeedMode.BigData == ioMode) {
            writer = new BookBatchWriter(file, batchCount);
            close = false;
        }
        else {
            writer = new BookStandardWriter(file, batchCount);
            close = false;
        }
        
        return writer;
    }
 
    public abstract ISheetWriter openSheetWriter(DataIO dataIO);
 
    public abstract void close();
    
}