Example usage for org.springframework.batch.item ItemStreamReader open

Introduction

In this page you can find the example usage for org.springframework.batch.item ItemStreamReader open.

Prototype

void open(ExecutionContext executionContext) throws ItemStreamException;

Source Link

Document

Open the stream for the provided ExecutionContext .

Usage

From source file:com.create.batch.TicketReaderFactoryTest.java

@Test(expected = FlatFileParseException.class)
public void testCreateReaderAndFailToRead() throws Exception {
    // given/*  w  w  w .  ja  v a2  s .c  om*/
    final ExecutionContext executionContext = mock(ExecutionContext.class);

    // when
    final ItemStreamReader<Ticket> reader = factory.createReader(new ClassPathResource("tickets-fail.csv"));

    try {
        reader.open(executionContext);
        System.out.println(reader.read());
    } finally {
        reader.close();
    }

    // then
}

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From source file:com.create.batch.TicketReaderFactoryTest.java

@Test
public void testCreateReaderAndReadCorrectData() throws Exception {
    // given/*from w w w.jav  a 2  s. c om*/
    final ExecutionContext executionContext = mock(ExecutionContext.class);
    final LocalDate date = LocalDate.of(2015, 12, 20);

    // when
    final ItemStreamReader<Ticket> reader = factory.createReader(new ClassPathResource("tickets.csv"));
    final Ticket ticket;

    try {
        reader.open(executionContext);
        ticket = reader.read();
    } finally {
        reader.close();
    }

    // then
    assertThat(ticket, notNullValue());
    assertThat(ticket.getTag(), equalTo("Ticket_0"));
    assertThat(ticket.getDate(), equalTo(Date.valueOf(date)));
    assertThat(ticket.getContent(), equalTo("Test ticket"));
}

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From source file:org.beanio.spring.SpringTest.java

/**
 * Test shared stream factory configuration for flat file reader.
 *///from  w  w w.java  2 s .c om
@Test
@SuppressWarnings("unchecked")
public void testItemReaderWithSharedStreamFactory() throws Exception {
    ItemStreamReader<Map<String, Object>> reader = (ItemStreamReader<Map<String, Object>>) context
            .getBean("itemReader-sharedFactory");
    assertNotNull(reader);

    try {
        reader.open(new ExecutionContext());
    } finally {
        reader.close();
    }
}

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From source file:org.beanio.spring.SpringTest.java

/**
 * Test standalone flat file reader configuration.
 *//*from w  w  w  . j a  v  a  2 s .com*/
@Test
@SuppressWarnings("unchecked")
public void testItemReader() throws Exception {
    ItemStreamReader<Map<String, Object>> reader = (ItemStreamReader<Map<String, Object>>) context
            .getBean("itemReader-standalone");
    assertNotNull(reader);

    try {
        reader.open(new ExecutionContext());

        Map<String, Object> map = reader.read();
        assertNotNull(map);
        assertEquals(new Integer(1), map.get("id"));
        assertEquals("John", map.get("name"));

    } finally {
        reader.close();
    }
}

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From source file:org.beanio.spring.SpringTest.java

@Test
@SuppressWarnings("unchecked")
public void testRestartItemReader() throws Exception {
    ItemStreamReader<Map<String, Object>> reader = (ItemStreamReader<Map<String, Object>>) context
            .getBean("itemReader-restart");
    assertNotNull(reader);//www .j  ava2  s . co  m

    try {
        ExecutionContext executionContext = new ExecutionContext();
        executionContext.put("BeanIOFlatFileItemReader.read.count", new Integer(2));

        reader.open(executionContext);

        Map<String, Object> map = reader.read();
        assertNotNull(map);
        assertEquals(new Integer(3), map.get("id"));
        assertEquals("Joe", map.get("name"));
    } finally {
        reader.close();
    }
}

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From source file:org.springframework.batch.core.scope.StepScopePerformanceTests.java

private int doTest(String name, String test) throws Exception {
    @SuppressWarnings("unchecked")
    ItemStreamReader<String> reader = (ItemStreamReader<String>) applicationContext.getBean(name);
    reader.open(new ExecutionContext());
    StopWatch stopWatch = new StopWatch(test);
    stopWatch.start();/* ww  w  .ja v  a2s.  c  o  m*/
    int count = 0;
    while (reader.read() != null) {
        // do nothing
        count++;
    }
    stopWatch.stop();
    reader.close();
    logger.info(stopWatch.shortSummary());
    return count;
}

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