@Override
public void run() {
boolean outputFailed = false;
try {
InputStream in = input;
OutputStream out = output;
byte[] buf = new byte[256];
while (true) {
int read = in.read(buf);
if (read == -1) {
break;
}
if (outputFailed == false) {
try {
out.write(buf, 0, read);
} catch (IOException e) {
outputFailed = true;
YSLOG.warn(e, "W99001");
}
}
}
} catch (IOException e) {
YSLOG.warn(e, "W99002");
} finally {
if (closeInput) {
close(input);
}
if (closeOutput) {
close(output);
}
}
}
/**
* Executes a target flow. If execution is failed except on {@link ExecutionPhase#SETUP setup},
* {@link ExecutionPhase#FINALIZE finalize}, or {@link ExecutionPhase#CLEANUP cleanup}, then the
* {@code finalize} phase will be executed for recovery before the target flow execution is
* aborted. Execution ID for each flow will automatically generated.
*
* @param batchId target batch ID
* @throws InterruptedException if interrupted during this execution
* @throws IOException if failed to execute target batch
* @throws IllegalArgumentException if some parameters were {@code null}
*/
public void executeBatch(String batchId) throws InterruptedException, IOException {
if (batchId == null) {
throw new IllegalArgumentException("batchId must not be null"); // $NON-NLS-1$
}
ExecutorService executor = createJobflowExecutor(batchId);
YSLOG.info("I01000", batchId);
long start = System.currentTimeMillis();
try {
ExecutionLock lock = acquireExecutionLock(batchId);
try {
BatchScheduler batchScheduler = new BatchScheduler(batchId, script, lock, executor);
batchScheduler.run();
} finally {
lock.close();
}
YSLOG.info("I01001", batchId);
} catch (IOException e) {
YSLOG.error(e, "E01001", batchId);
throw e;
} catch (InterruptedException e) {
YSLOG.warn(e, "W01001", batchId);
throw e;
} finally {
long end = System.currentTimeMillis();
YSLOG.info("I01999", batchId, end - start);
}
}
private static void close(OutputStream c) {
try {
c.close();
} catch (IOException e) {
YSLOG.warn(e, "W99003");
}
}
void executeFlow(String batchId, FlowScript flow, String executionId)
throws InterruptedException, IOException {
assert batchId != null;
assert flow != null;
assert executionId != null;
YSLOG.info("I02000", batchId, flow.getId(), executionId);
long start = System.currentTimeMillis();
try {
if (skipFlows.contains(flow.getId())) {
YSLOG.info("I02002", batchId, flow.getId(), executionId);
return;
}
executePhase(batchId, flow, executionId, ExecutionPhase.SETUP);
boolean succeed = false;
try {
executePhase(batchId, flow, executionId, ExecutionPhase.INITIALIZE);
executePhase(batchId, flow, executionId, ExecutionPhase.IMPORT);
executePhase(batchId, flow, executionId, ExecutionPhase.PROLOGUE);
executePhase(batchId, flow, executionId, ExecutionPhase.MAIN);
executePhase(batchId, flow, executionId, ExecutionPhase.EPILOGUE);
executePhase(batchId, flow, executionId, ExecutionPhase.EXPORT);
succeed = true;
} finally {
if (succeed) {
executePhase(batchId, flow, executionId, ExecutionPhase.FINALIZE);
} else {
YSLOG.info("I02003", batchId, flow.getId(), executionId);
try {
executePhase(batchId, flow, executionId, ExecutionPhase.FINALIZE);
} catch (Exception e) {
YSLOG.warn(e, "W02002", batchId, flow.getId(), executionId);
}
}
}
try {
executePhase(batchId, flow, executionId, ExecutionPhase.CLEANUP);
} catch (Exception e) {
YSLOG.warn(e, "W02003", batchId, flow.getId(), executionId);
}
YSLOG.info("I02001", batchId, flow.getId(), executionId);
} catch (IOException e) {
YSLOG.error(e, "E02001", batchId, flow.getId(), executionId);
throw e;
} catch (InterruptedException e) {
YSLOG.warn(e, "W02001", batchId, flow.getId(), executionId);
throw e;
} finally {
long end = System.currentTimeMillis();
YSLOG.info("I02999", batchId, flow.getId(), executionId, end - start);
}
}
private void executePhase(ExecutionContext context, Set<ExecutionScript> executions)
throws InterruptedException, IOException {
assert context != null;
assert executions != null;
YSLOG.info(
"I03000",
context.getBatchId(),
context.getFlowId(),
context.getExecutionId(),
context.getPhase());
long start = System.currentTimeMillis();
try {
if (skipFlows.contains(context.getFlowId())) {
YSLOG.info(
"I03002",
context.getBatchId(),
context.getFlowId(),
context.getExecutionId(),
context.getPhase());
return;
}
List<? extends Job> jobs;
ErrorHandler handler;
switch (context.getPhase()) {
case SETUP:
jobs = buildSetupJobs(context);
handler = JobScheduler.STRICT;
break;
case CLEANUP:
jobs = buildCleanupJobs(context);
handler = JobScheduler.BEST_EFFORT;
break;
case FINALIZE:
jobs = buildExecutionJobs(context, executions);
handler = JobScheduler.BEST_EFFORT;
break;
default:
jobs = buildExecutionJobs(context, executions);
handler = JobScheduler.STRICT;
break;
}
PhaseMonitor monitor = obtainPhaseMonitor(context);
try {
scheduler.execute(monitor, context, jobs, handler);
} finally {
monitor.close();
}
YSLOG.info(
"I03001",
context.getBatchId(),
context.getFlowId(),
context.getExecutionId(),
context.getPhase());
} catch (IOException e) {
YSLOG.error(
e,
"E03001",
context.getBatchId(),
context.getFlowId(),
context.getExecutionId(),
context.getPhase());
throw e;
} catch (InterruptedException e) {
YSLOG.warn(
e,
"W03001",
context.getBatchId(),
context.getFlowId(),
context.getExecutionId(),
context.getPhase());
throw e;
} finally {
long end = System.currentTimeMillis();
YSLOG.info(
"I03999",
context.getBatchId(),
context.getFlowId(),
context.getExecutionId(),
context.getPhase(),
end - start);
}
}