public void open(ExecutionContext executionContext) throws ItemStreamException {
if (executionContext.containsKey("step2.tickers.page")) {
curPage = (Integer) executionContext.get("step2.tickers.page");
} else {
executionContext.put("step2.tickers.page", curPage);
}
}
@Override
public RepeatStatus execute(final StepContribution sc, final ChunkContext context)
throws Exception {
log.info("First simple task ..... execute !!! ");
log.info("+++ StepContribution : {} ", sc);
log.info(
"+++ ChunkContext : {} -> jobName : {} ",
context,
context.getStepContext().getJobName());
log.info(
"+++ StepContext : jobParameters : {} , stepExecution : {} , stepName : {} ",
context.getStepContext().getJobParameters(),
context.getStepContext().getStepExecution(),
context.getStepContext().getStepName());
ExecutionContext jobExecutionContext =
context.getStepContext().getStepExecution().getJobExecution().getExecutionContext();
JobParameters jobParams =
context.getStepContext().getStepExecution().getJobExecution().getJobParameters();
log.info("time : {}", jobParams.getDate("time"));
log.info("test : {}", jobParams.getString("test"));
log.info("message : {}", message);
jobExecutionContext.put("x", "y");
// promote
// promote
ExecutionContext stepExecutionContext =
context.getStepContext().getStepExecution().getJobExecution().getExecutionContext();
stepExecutionContext.put("login", "przodownikR1");
Thread.sleep(4000);
return FINISHED;
}
@Override
public Map<String, ExecutionContext> partition(int gridSize) {
int min =
jdbcTemplate.queryForObject("SELECT MIN(" + column + ") from " + table, Integer.class);
int max =
jdbcTemplate.queryForObject("SELECT MAX(" + column + ") from " + table, Integer.class);
int targetSize = (max - min) / gridSize;
Map<String, ExecutionContext> result = new HashMap<String, ExecutionContext>();
int number = 0;
int start = min;
int end = start + targetSize - 1;
while (start <= max) {
ExecutionContext value = new ExecutionContext();
result.put("partition" + number, value);
if (end >= max) {
end = max;
}
value.putInt("minValue", start);
value.putInt("maxValue", end);
start += targetSize;
end += targetSize;
number++;
}
return result;
}
@Override
public void open(ExecutionContext executionContext) throws ItemStreamException {
super.open(executionContext);
try {
doOpen();
} catch (Exception e) {
throw new ItemStreamException("Failed to initialize the reader", e);
}
if (!isSaveState()) {
return;
}
if (executionContext.containsKey(getExecutionContextKey(READ_COUNT_MAX))) {
maxItemCount = executionContext.getInt(getExecutionContextKey(READ_COUNT_MAX));
}
if (executionContext.containsKey(getExecutionContextKey(READ_COUNT))) {
int itemCount = executionContext.getInt(getExecutionContextKey(READ_COUNT));
if (itemCount < maxItemCount) {
try {
jumpToItem(itemCount);
} catch (Exception e) {
throw new ItemStreamException("Could not move to stored position on restart", e);
}
}
currentItemCount = itemCount;
}
}
public void open(ExecutionContext executionContext) throws ItemStreamException {
if (executionContext.containsKey(EXPECTED)) {
localState.expected = executionContext.getLong(EXPECTED);
localState.actual = executionContext.getLong(ACTUAL);
if (!waitForResults()) {
throw new ItemStreamException("Timed out waiting for back log on open");
}
}
}
@Override
public A23 process(A23 item) throws Exception {
ExecutionContext stepContext = stepExecution.getExecutionContext();
long processCount = stepContext.getLong("PROCESS_COUNT", 0);
processCount++;
stepContext.putLong("PROCESS_COUNT", processCount);
if (processCount % writeSampleFrequency == 1) {
item.setSample(true);
}
return item;
}
@Override
public void update(ExecutionContext executionContext) throws ItemStreamException {
super.update(executionContext);
if (saveState) {
Assert.notNull(executionContext, "ExecutionContext must not be null");
executionContext.putInt(getExecutionContextKey(READ_COUNT), currentItemCount);
if (maxItemCount < Integer.MAX_VALUE) {
executionContext.putInt(getExecutionContextKey(READ_COUNT_MAX), maxItemCount);
}
}
}
@Test
@SuppressWarnings({"unchecked", "rawtypes"})
public void testWrite() throws Exception {
File file = new File(tmpDir, "foo.txt");
file.delete();
ByteArrayInputStream data = new ByteArrayInputStream("foobarbaz".getBytes());
Session session = mock(Session.class);
SessionFactory factory = mock(SessionFactory.class);
when(factory.getSession()).thenReturn(session);
when(session.readRaw("foo.txt")).thenReturn(data);
when(session.finalizeRaw()).thenReturn(true);
StepExecution stepExecution = new StepExecution("foo", null);
ExecutionContext stepExecutionContext = new ExecutionContext();
stepExecutionContext.putString("filePath", "foo.txt");
stepExecution.setExecutionContext(stepExecutionContext);
StepContext stepContext = new StepContext(stepExecution);
ChunkContext chunkContext = new ChunkContext(stepContext);
RemoteFileTemplate template = new RemoteFileTemplate(factory);
template.setBeanFactory(mock(BeanFactory.class));
template.afterPropertiesSet();
// clean up from old tests
FileSystem fs = FileSystem.get(configuration);
Path p = new Path("/qux/foo.txt");
fs.delete(p, true);
assertFalse(fs.exists(p));
RemoteFileToHadoopTasklet tasklet =
new RemoteFileToHadoopTasklet(template, configuration, "/qux");
assertEquals(RepeatStatus.FINISHED, tasklet.execute(null, chunkContext));
assertTrue(fs.exists(p));
FSDataInputStream stream = fs.open(p);
byte[] out = new byte[9];
stream.readFully(out);
stream.close();
assertEquals("foobarbaz", new String(out));
fs.close();
}
@Override
public Map<String, ExecutionContext> partition(int gridSize) {
Map<String, ExecutionContext> partitions = new HashMap<String, ExecutionContext>(gridSize);
long count = repository.count();
long recordCount = count / gridSize;
// do the split
for (int i = 0; i < gridSize; i++) {
ExecutionContext context = new ExecutionContext();
context.putLong("paramB", count);
count = count - recordCount;
if (count != 1) {
context.putLong("paramA", count + 1);
} else {
context.putLong("paramA", count);
} // end if
partitions.put(PREFIX + i, context);
} // end for
// return
return partitions;
}
@Test
public void testExecuteRestart() throws Exception {
DefaultJobParametersExtractor jobParametersExtractor = new DefaultJobParametersExtractor();
jobParametersExtractor.setKeys(new String[] {"foo"});
ExecutionContext executionContext = stepExecution.getExecutionContext();
executionContext.put("foo", "bar");
step.setJobParametersExtractor(jobParametersExtractor);
step.setJob(
new JobSupport("child") {
@Override
public void execute(JobExecution execution) throws UnexpectedJobExecutionException {
assertEquals(1, execution.getJobParameters().getParameters().size());
execution.setStatus(BatchStatus.FAILED);
execution.setEndTime(new Date());
jobRepository.update(execution);
throw new RuntimeException("FOO");
}
@Override
public boolean isRestartable() {
return true;
}
});
step.afterPropertiesSet();
step.execute(stepExecution);
assertEquals("FOO", stepExecution.getFailureExceptions().get(0).getMessage());
JobExecution jobExecution = stepExecution.getJobExecution();
jobExecution.setEndTime(new Date());
jobRepository.update(jobExecution);
jobExecution = jobRepository.createJobExecution("job", new JobParameters());
stepExecution = jobExecution.createStepExecution("step");
// In a restart the surrounding Job would set up the context like this...
stepExecution.setExecutionContext(executionContext);
jobRepository.add(stepExecution);
step.execute(stepExecution);
assertEquals("FOO", stepExecution.getFailureExceptions().get(0).getMessage());
}
@Override
protected ExitStatus doRead(
StepContribution contribution, ExecutionContext context, ExcelRow item) {
ExitStatus result = ExitStatus.EXECUTING;
LocalDate thresholdDate = getMaxMonthsThresholdDate(item);
if (thresholdDate != null) {
// We store the threshold date in the context
context.put(
"threshold.date",
Date.from(thresholdDate.atStartOfDay().atZone(ZoneId.systemDefault()).toInstant()));
// We keep trace that we've stored something
contribution.incrementWriteCount(1);
result = COMPLETED_WITH_MAX_MONTHS;
}
return result;
}
public static <T> T getFromJobExecutionContext(
ExecutionContext context, String key, Class<T> klass) {
Object valueString = context.get(key);
if (valueString != null) {
if (valueString instanceof String) {
Gson gson = new Gson();
return gson.fromJson((String) valueString, klass);
} else {
logger.error(
"invalid data type saved into execution context: "
+ valueString.getClass()
+ ", "
+ valueString);
}
}
return null;
}
@Override
public void update(ExecutionContext executionContext) throws ItemStreamException {
executionContext.putInt(getKey("COUNT"), counter.get());
}
@Override
public void open(ExecutionContext executionContext) throws ItemStreamException {
counter.set(executionContext.getInt(getKey("COUNT"), 0));
}
@Override
public void update(final ExecutionContext executionContext) throws ItemStreamException {
executionContext.putString(LAST_ID_RETURNED_EXECUTION_CONTEXT_KEY, lastIdReturned);
}
@Override
public void open(final ExecutionContext executionContext) throws ItemStreamException {
lastIdBuffer = executionContext.getString(LAST_ID_RETURNED_EXECUTION_CONTEXT_KEY, null);
lastIdReturned = lastIdBuffer;
}
public void update(ExecutionContext executionContext) throws ItemStreamException {
executionContext.putLong(EXPECTED, localState.expected);
executionContext.putLong(ACTUAL, localState.actual);
}
public void update(ExecutionContext executionContext) throws ItemStreamException {
executionContext.put("step2.tickers.page", curPage);
curPage++;
}
public static void putIntoJobExecutionContext(
ExecutionContext context, String key, Object value) {
Gson gson = new Gson();
String valueString = gson.toJson(value);
context.put(key, valueString);
}
public void update(ExecutionContext executionContext) throws ItemStreamException {
executionContext.putLong("POSITION", index);
}
public void open(ExecutionContext executionContext) throws ItemStreamException {
index = (int) executionContext.getLong("POSITION", min);
}
