//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private static long importData(String title, int numRunners, InputIterable data, org.neo4j.unsafe.impl.batchimport.store.BatchingNeoStores stores, System.Func<EntityImporter> visitors, org.neo4j.unsafe.impl.batchimport.staging.ExecutionMonitor executionMonitor, org.neo4j.unsafe.impl.batchimport.stats.StatsProvider memoryStatsProvider) throws java.io.IOException
private static long ImportData(string title, int numRunners, InputIterable data, BatchingNeoStores stores, System.Func <EntityImporter> visitors, ExecutionMonitor executionMonitor, StatsProvider memoryStatsProvider)
{
LongAdder roughEntityCountProgress = new LongAdder();
ExecutorService pool = Executors.newFixedThreadPool(numRunners, new NamedThreadFactory(title + "Importer"));
IoMonitor writeMonitor = new IoMonitor(stores.IoTracer);
ControllableStep step = new ControllableStep(title, roughEntityCountProgress, Configuration.DEFAULT, writeMonitor, memoryStatsProvider);
StageExecution execution = new StageExecution(title, null, Configuration.DEFAULT, Collections.singletonList(step), 0);
long startTime = currentTimeMillis();
using (InputIterator dataIterator = data.GetEnumerator())
{
executionMonitor.Start(execution);
for (int i = 0; i < numRunners; i++)
{
pool.submit(new ExhaustingEntityImporterRunnable(execution, dataIterator, visitors(), roughEntityCountProgress));
}
pool.shutdown();
long nextWait = 0;
try
{
while (!pool.awaitTermination(nextWait, TimeUnit.MILLISECONDS))
{
executionMonitor.Check(execution);
nextWait = executionMonitor.NextCheckTime() - currentTimeMillis();
}
}
catch (InterruptedException e)
{
Thread.CurrentThread.Interrupt();
throw new IOException(e);
}
}
execution.AssertHealthy();
step.MarkAsCompleted();
writeMonitor.Stop();
executionMonitor.End(execution, currentTimeMillis() - startTime);
execution.AssertHealthy();
return(roughEntityCountProgress.sum());
}
private InputEntity[] Sample(InputIterable source, int size)
{
try
{
using (InputIterator iterator = source.GetEnumerator(), InputChunk chunk = iterator.NewChunk())
{
InputEntity[] sample = new InputEntity[size];
int cursor = 0;
while (cursor < size && iterator.Next(chunk))
{
while (cursor < size && chunk.Next(sample[cursor++] = new InputEntity()))
{
// just loop
}
}
return(sample);
}
}
catch (IOException e)
{
throw new UncheckedIOException(e);
}
}