Package org.easybatch.flatfile

Examples of org.easybatch.flatfile.FlatFileRecordReader

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    public static void main(String[] args) throws Exception {

        // Build an easy batch engine
        EasyBatchEngine easyBatchEngine = new EasyBatchEngineBuilder()
                .registerRecordReader(new FlatFileRecordReader(new File(args[0])))
                .registerRecordFilter(new StartsWithStringRecordFilter("#"))
                .registerRecordMapper(new DelimitedRecordMapper<Greeting>(Greeting.class, new String[]{"id", "name"}))
                .registerRecordValidator(new BeanValidationRecordValidator<Greeting>())
                .registerRecordProcessor(new GreetingSlowProcessor())
                .build();
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    public static void main(String[] args) throws Exception {

        // Build an easy batch engine
        EasyBatchEngine easyBatchEngine = new EasyBatchEngineBuilder()
                .registerRecordReader(new FlatFileRecordReader(new File(args[0])))
                .registerRecordMapper(new DelimitedRecordMapper<Greeting>(Greeting.class, new String[]{"id", "name"}))
                .registerRecordProcessor(new GreetingProcessor())
                .build();

        // Run easy batch engine
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    public static void main(String[] args) throws Exception {

        // Build an easy batch engine
        EasyBatchEngine easyBatchEngine = new EasyBatchEngineBuilder()
                .registerRecordReader(new FlatFileRecordReader(new File(args[0])))
                .registerRecordFilter(new StartsWithStringRecordFilter("#"))
                .registerRecordMapper(new FixedLengthRecordMapper<Greeting>(
                        Greeting.class,
                        new int[]{3,3},
                        new String[]{"id", "name"}))
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        fileWriter.close();
    }

    public static EasyBatchEngine buildCsvEasyBatchEngine(String customersFile) throws Exception {
        return new EasyBatchEngineBuilder()
                .registerRecordReader(new FlatFileRecordReader(new File(customersFile)))
                .registerRecordMapper(new DelimitedRecordMapper<Customer>(Customer.class,
                        new String[]{"id", "firstName", "lastName", "birthDate", "email", "phone", "street", "zipCode", "city", "country"}))
                .build();
    }
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        productMapper.setDelimiter("|");
        productMapper.setQualifier("\"");

        // Build an easy batch engine
        EasyBatchEngine easyBatchEngine = new EasyBatchEngineBuilder()
                .registerRecordReader(new FlatFileRecordReader(new File(args[0]))) //read data from products-jsr303.csv
                .registerRecordMapper(productMapper)
                .registerRecordValidator(new BeanValidationRecordValidator<Product>())
                .registerRecordProcessor(new ProductProcessor())
                .build();
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        System.out.println(COMMENT_SEPARATOR);
        System.out.println("Running a single Easy Batch instance");
        System.out.println(COMMENT_SEPARATOR);
        long singleInstanceStartTime = System.nanoTime();
        EasyBatchEngine easyBatchEngine = new EasyBatchEngineBuilder()
                .registerRecordReader(new FlatFileRecordReader(new File(args[0]))) //read data from secret-messages.txt
                .registerRecordProcessor(new MessageEncrypter())
                .build();

        EasyBatchReport easyBatchReport = easyBatchEngine.call();
        System.out.println(easyBatchReport);

        long singleInstanceEndTime = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - singleInstanceStartTime);

        System.out.println(COMMENT_SEPARATOR);
        System.out.println("Running two Easy Batch instances in parallel");
        System.out.println(COMMENT_SEPARATOR);
        long parallelInstancesStartTime = System.nanoTime();

        // To avoid any thread-safety issues,
        // we will create 2 engines with separate instances of record readers and processors

        // Build an easy batch engine1
        EasyBatchEngine easyBatchEngine1 = new EasyBatchEngineBuilder()
                .registerRecordReader(new FlatFileRecordReader(new File(args[0]))) //read data from secret-messages.txt
                .registerRecordFilter(new RecordNumberGreaterThanRecordFilter(5)) // filter records 6-10
                .registerRecordProcessor(new MessageEncrypter())
                .build();

        // Build an easy batch engine2
        EasyBatchEngine easyBatchEngine2 = new EasyBatchEngineBuilder()
                .registerRecordReader(new FlatFileRecordReader(new File(args[0]))) //read data from secret-messages.txt
                .registerRecordFilter(new RecordNumberLowerThanRecordFilter(6)) // filter records 1-5
                .registerRecordProcessor(new MessageEncrypter())
                .build();

        //create a 2 threads pool to call Easy Batch engines in parallel
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    public static void main(String[] args) throws Exception {

        // Build an easy batch engine
        EasyBatchEngine easyBatchEngine = new EasyBatchEngineBuilder()
                .registerRecordReader(new FlatFileRecordReader(new File(args[0])))
                .registerRecordMapper(new DelimitedRecordMapper<Greeting>(Greeting.class, new String[]{"id", "name"}))
                .registerRecordValidator(new BeanValidationRecordValidator<Greeting>())
                .registerRecordProcessor(new GreetingProcessor())
                .build();
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        // To avoid any thread-safety issues,
        // we will create 2 engines with separate instances of record readers and processors

        // Build an easy batch engine1
        EasyBatchEngine easyBatchEngine1 = new EasyBatchEngineBuilder()
                .registerRecordReader(new FlatFileRecordReader(new File(args[0]))) //read data from secret-messages-part1.txt
                .registerRecordProcessor(new MessageEncrypter())
                .build();

        // Build an easy batch engine2
        EasyBatchEngine easyBatchEngine2 = new EasyBatchEngineBuilder()
                .registerRecordReader(new FlatFileRecordReader(new File(args[1]))) //read data from secret-messages-part2.txt
                .registerRecordProcessor(new MessageEncrypter())
                .build();

        //create a 2 threads pool to call Easy Batch engines in parallel
        ExecutorService executorService = Executors.newFixedThreadPool(2);
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        DatabaseUtil.startEmbeddedDatabase();
        DatabaseUtil.initializeSessionFactory();

        // Build an easy batch engine to read greetings from csv file
        EasyBatchEngine easyBatchCsvEngine = new EasyBatchEngineBuilder()
                .registerRecordReader(new FlatFileRecordReader(new File(args[0])))
                .registerRecordMapper(new DelimitedRecordMapper<Greeting>(Greeting.class, new String[]{"id","name"}))
                .registerRecordProcessor(new GreetingDataLoader())
                .build();

        // Build an easy batch engine to read greetings from xml file
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        productMapper.setQualifier("\"");
        productMapper.registerTypeConverter(Origin.class, new OriginTypeConverter());

        // Build an easy batch engine
        EasyBatchEngine easyBatchEngine = new EasyBatchEngineBuilder()
                .registerRecordReader(new FlatFileRecordReader(new File(args[0]))) //read data from products.csv
                .registerRecordMapper(productMapper)
                .registerRecordProcessor(new ProductProcessor())
                .build();

        // Run easy batch engine and get execution report
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Related Classes of org.easybatch.flatfile.FlatFileRecordReader

  • org.easybatch.bench.BenchmarkUtil
  • org.easybatch.core.util.StringRecord
  • org.easybatch.tutorials.advanced.Launcher
  • org.easybatch.tutorials.beanValidation.Launcher
  • org.easybatch.tutorials.helloworld.csv.Launcher
  • org.easybatch.tutorials.helloworld.flr.Launcher
  • org.easybatch.tutorials.jmx.Launcher
  • org.easybatch.tutorials.parallel.MultipleFilesLauncher
  • org.easybatch.tutorials.parallel.SingleFileLauncher
  • org.easybatch.tutorials.products.Launcher
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