Example usage for org.springframework.batch.item ExecutionContext ExecutionContext

Introduction

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

Prototype

public ExecutionContext() 

Source Link

Document

Default constructor.

Usage

From source file:org.springframework.batch.core.partition.support.FlatFilePartitioner.java

/**
 * Creates a standard {@link ExecutionContext} with the specified parameters.
 * @param partitionName the name of the partition
 * @param startAt the number of bytes for a partition thread to skip before starting reading
 * @param itemsCount the number of items to read
 * @return the execution context (output)
 *//*  w w  w.  j a  v  a  2 s  .com*/
protected ExecutionContext createExecutionContext(String partitionName, long startAt, long itemsCount,
        long previousItemsCount) {
    final ExecutionContext executionContext = new ExecutionContext();
    executionContext.putLong(startAtKeyName, startAt);
    executionContext.putLong(itemsCountKeyName, itemsCount);
    executionContext.putLong(previousItemsCountKeyName, previousItemsCount);
    try {
        executionContext.putString(resourceKeyName, "file:" + resource.getFile().getPath());
    } catch (IOException e) {
        throw new IllegalArgumentException("File could not be located for: " + resource, e);
    }
    if (logger.isDebugEnabled()) {
        logger.debug("Added partition [" + partitionName + "] with [" + executionContext + "]");
    }
    return executionContext;
}

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From source file:org.springframework.batch.core.repository.support.SimpleJobRepository.java

@Override
public JobExecution createJobExecution(String jobName, JobParameters jobParameters)
        throws JobExecutionAlreadyRunningException, JobRestartException, JobInstanceAlreadyCompleteException {

    Assert.notNull(jobName, "Job name must not be null.");
    Assert.notNull(jobParameters, "JobParameters must not be null.");

    /*/*from   w  w  w. j  a v  a 2 s .  co  m*/
     * Find all jobs matching the runtime information.
     *
     * If this method is transactional, and the isolation level is
     * REPEATABLE_READ or better, another launcher trying to start the same
     * job in another thread or process will block until this transaction
     * has finished.
     */

    JobInstance jobInstance = jobInstanceDao.getJobInstance(jobName, jobParameters);
    ExecutionContext executionContext;

    // existing job instance found
    if (jobInstance != null) {

        List<JobExecution> executions = jobExecutionDao.findJobExecutions(jobInstance);

        // check for running executions and find the last started
        for (JobExecution execution : executions) {
            if (execution.isRunning() || execution.isStopping()) {
                throw new JobExecutionAlreadyRunningException(
                        "A job execution for this job is already running: " + jobInstance);
            }
            BatchStatus status = execution.getStatus();
            if (status == BatchStatus.UNKNOWN) {
                throw new JobRestartException("Cannot restart job from UNKNOWN status. "
                        + "The last execution ended with a failure that could not be rolled back, "
                        + "so it may be dangerous to proceed. Manual intervention is probably necessary.");
            }
            if (execution.getJobParameters().getParameters().size() > 0
                    && (status == BatchStatus.COMPLETED || status == BatchStatus.ABANDONED)) {
                throw new JobInstanceAlreadyCompleteException(
                        "A job instance already exists and is complete for parameters=" + jobParameters
                                + ".  If you want to run this job again, change the parameters.");
            }
        }
        executionContext = ecDao.getExecutionContext(jobExecutionDao.getLastJobExecution(jobInstance));
    } else {
        // no job found, create one
        jobInstance = jobInstanceDao.createJobInstance(jobName, jobParameters);
        executionContext = new ExecutionContext();
    }

    JobExecution jobExecution = new JobExecution(jobInstance, jobParameters, null);
    jobExecution.setExecutionContext(executionContext);
    jobExecution.setLastUpdated(new Date(System.currentTimeMillis()));

    // Save the JobExecution so that it picks up an ID (useful for clients
    // monitoring asynchronous executions):
    jobExecutionDao.saveJobExecution(jobExecution);
    ecDao.saveExecutionContext(jobExecution);

    return jobExecution;

}

---

From source file:org.springframework.batch.core.repository.support.SimpleJobRepository.java

@Override
public JobExecution createJobExecution(JobInstance jobInstance, JobParameters jobParameters,
        String jobConfigurationLocation) {

    Assert.notNull(jobInstance, "A JobInstance is required to associate the JobExecution with");
    Assert.notNull(jobParameters, "A JobParameters object is required to create a JobExecution");

    JobExecution jobExecution = new JobExecution(jobInstance, jobParameters, jobConfigurationLocation);
    ExecutionContext executionContext = new ExecutionContext();
    jobExecution.setExecutionContext(executionContext);
    jobExecution.setLastUpdated(new Date(System.currentTimeMillis()));

    // Save the JobExecution so that it picks up an ID (useful for clients
    // monitoring asynchronous executions):
    jobExecutionDao.saveJobExecution(jobExecution);
    ecDao.saveExecutionContext(jobExecution);

    return jobExecution;
}

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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();//from  w w w.j  a  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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From source file:org.springframework.batch.integration.x.IncrementalColumnRangePartitioner.java

/**
 * Partition a database table assuming that the data in the column specified
 * are uniformly distributed. The execution context values will have keys
 * <code>minValue</code> and <code>maxValue</code> specifying the range of
 * values to consider in each partition.
 *
 * @see Partitioner#partition(int)//from w  w  w. j  a  v a2s .  com
 */
@Override
public Map<String, ExecutionContext> partition(int gridSize) {
    StringBuilder incrementalClause = new StringBuilder();
    Map<String, ExecutionContext> result = new HashMap<>();

    if (!StringUtils.hasText(checkColumn) && !StringUtils.hasText(column)) {
        ExecutionContext value = new ExecutionContext();
        value.put("partClause", "");
        result.put("partition0", value);
        value.put("partSuffix", "");
    } else {
        if (StringUtils.hasText(checkColumn)) {
            incrementalClause.append(checkColumn).append(" > ").append(this.incrementalMin);
        }

        long targetSize = (this.partitionMax - this.partitionMin) / partitions + 1;

        int number = 0;
        long start = this.partitionMin;
        long end = start + targetSize - 1;

        while (start >= 0 && start <= this.partitionMax) {
            ExecutionContext value = new ExecutionContext();
            result.put("partition" + number, value);

            if (end >= this.partitionMax) {
                end = this.partitionMax;
            }

            if (StringUtils.hasText(checkColumn)) {
                value.putString("partClause", String.format("WHERE (%s BETWEEN %s AND %s) AND %s", column,
                        start, end, incrementalClause.toString()));
            } else {
                value.putString("partClause",
                        String.format("WHERE (%s BETWEEN %s AND %s)", column, start, end));
            }

            value.putString("partSuffix", "-p" + number);
            start += targetSize;
            end += targetSize;
            number++;

            log.debug("Current ExecutionContext = " + value);
        }
    }

    return result;
}

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From source file:org.springframework.batch.item.database.JdbcPagingRestartIntegrationTests.java

@Test
@Ignore //FIXME// w w w  . ja  v  a  2 s .com
public void testReaderFromStart() throws Exception {

    ItemReader<Foo> reader = getItemReader();

    int total = JdbcTestUtils.countRowsInTable(jdbcTemplate, "T_FOOS");

    ExecutionContext executionContext = new ExecutionContext();
    ((ItemStream) reader).open(executionContext);

    for (int i = 0; i < total; i++) {
        Foo item = reader.read();
        logger.debug("Item: " + item);
        assertNotNull(item);
    }

    Foo item = reader.read();
    logger.debug("Item: " + item);
    assertNull(item);

}

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From source file:org.springframework.batch.item.database.JdbcPagingRestartIntegrationTests.java

@Test
@Ignore //FIXME/* ww w  .j  a  v  a2  s .c  om*/
public void testReaderOnRestart() throws Exception {

    ItemReader<Foo> reader = getItemReader();

    int total = JdbcTestUtils.countRowsInTable(jdbcTemplate, "T_FOOS");
    int count = (total / pageSize) * pageSize;
    int pagesToRead = Math.min(3, total / pageSize);
    if (count >= pagesToRead * pageSize) {
        count -= pagesToRead * pageSize;
    }

    ExecutionContext executionContext = new ExecutionContext();
    executionContext.putInt("JdbcPagingItemReader.read.count", count);
    // Assume the primary keys are in order

    List<Map<String, Object>> ids = jdbcTemplate.queryForList("SELECT ID,NAME FROM T_FOOS ORDER BY ID ASC");
    logger.debug("Ids: " + ids);
    int startAfterValue = (new Long(ids.get(count - 1).get("ID").toString())).intValue();
    logger.debug("Start after: " + startAfterValue);
    Map<String, Object> startAfterValues = new LinkedHashMap<String, Object>();
    startAfterValues.put("ID", startAfterValue);
    executionContext.put("JdbcPagingItemReader.start.after", startAfterValues);
    ((ItemStream) reader).open(executionContext);

    for (int i = count; i < total; i++) {
        Foo item = reader.read();
        logger.debug("Item: " + item);
        assertNotNull(item);
    }

    Foo item = reader.read();
    logger.debug("Item: " + item);
    assertNull(item);

}

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From source file:org.springframework.batch.item.database.JpaPagingItemReaderAsyncTests.java

private JpaPagingItemReader<Foo> getItemReader() throws Exception {

    String jpqlQuery = "select f from Foo f";

    JpaPagingItemReader<Foo> reader = new JpaPagingItemReader<Foo>();
    reader.setQueryString(jpqlQuery);/*from w  w w . j av  a 2 s  .co  m*/
    reader.setEntityManagerFactory(entityManagerFactory);
    reader.setPageSize(PAGE_SIZE);
    reader.afterPropertiesSet();
    reader.setSaveState(false);
    reader.open(new ExecutionContext());

    return reader;
}

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From source file:org.springframework.batch.item.excel.AbstractExcelItemReaderTests.java

@Before
public void setup() throws Exception {
    this.itemReader = createExcelItemReader();
    this.itemReader.setLinesToSkip(1); //First line is column names
    this.itemReader.setResource(new ClassPathResource("org/springframework/batch/item/excel/player.xls"));
    this.itemReader.setRowMapper(new PassThroughRowMapper());
    this.itemReader.setSkippedRowsCallback(new RowCallbackHandler() {

        public void handleRow(RowSet rs) {
            logger.info("Skipping: " + StringUtils.arrayToCommaDelimitedString(rs.getCurrentRow()));
        }//from w  w w .  j a va2s .com
    });
    configureItemReader(this.itemReader);
    this.itemReader.afterPropertiesSet();
    executionContext = new ExecutionContext();
    this.itemReader.open(executionContext);
}

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From source file:org.springframework.batch.item.xml.AbstractStaxEventWriterItemWriterTests.java

@Before
public void setUp() throws Exception {

    File directory = new File("target/data");
    directory.mkdirs();//from   www  .j a  v a  2 s  .c om
    outputFile = File.createTempFile(ClassUtils.getShortName(this.getClass()), ".xml", directory);
    resource = new FileSystemResource(outputFile);
    writer.setResource(resource);

    writer.setMarshaller(getMarshaller());
    writer.afterPropertiesSet();

    writer.open(new ExecutionContext());

}

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