package frame.file.office;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class Engine {
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private static Engine instance;
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private static Object locker = new Object();
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private Logger logger;
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private ExcelLoader excelLoader;
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static {
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}
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private Engine() {
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logger = LoggerFactory.getLogger(this.getClass());
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excelLoader = new ExcelLoader(logger);
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}
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public static Engine getInstance() {
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lock (locker) {
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if (instance == null) {
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instance = new Engine();
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}
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return instance;
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}
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}
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}
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