/*
* Estimates the "weight" (a unitless value) of the given item. This is
* counted as 1 per content and metadata file in the item, plus 100 per
* gigabyte of streamed data (so that files of 1GB or more cause the batch
* to end).
*/
private final int weight(final BulkImportItem<BulkImportItemVersion> item) {
int result = 0;
for (final BulkImportItemVersion version : item.getVersions()) {
result++;
if (version.hasContent() && !version.contentIsInPlace()) {
result += (int) ((float) item.sizeInBytes() / ONE_GIGABYTE * 100);
}
}
return (result);
}
/**
* @see
* org.alfresco.extension.bulkimport.BulkImportCallback#submit(org.alfresco.extension.bulkimport.source.BulkImportItem)
*/
@Override
@SuppressWarnings({"rawtypes", "unchecked"})
public synchronized void submit(final BulkImportItem item) throws InterruptedException {
// PRECONDITIONS
if (item == null) {
throw new IllegalArgumentException(
"Import source '"
+ source.getName()
+ "' has logic errors - a null import item was submitted.");
}
if (item.getVersions() == null || item.getVersions().size() <= 0) {
throw new IllegalArgumentException(
"Import source '"
+ source.getName()
+ "' has logic errors - an empty import item was submitted.");
}
// Body
if (importStatus.isStopping() || Thread.currentThread().isInterrupted())
throw new InterruptedException(
Thread.currentThread().getName() + " was interrupted. Terminating early.");
// If the weight of the new item would blow out the current batch, submit the batch as-is (i.e.
// *before* adding the newly submitted item).
// This ensures that heavy items start a new batch (and possibly end up in a batch by
// themselves).
int weight = weight(item);
if (weightOfCurrentBatch + weight > batchWeight) {
submitCurrentBatch();
}
// Create a new batch, if necessary
if (currentBatch == null) {
currentBatchNumber++;
currentBatch = new ArrayList<>(batchWeight);
weightOfCurrentBatch = 0;
}
// Finally, add the item to the current batch
currentBatch.add(item);
weightOfCurrentBatch += weight;
}