private void createCopier(
VectorAccessible batch,
List<BatchGroup> batchGroupList,
VectorContainer outputContainer,
boolean spilling)
throws SchemaChangeException {
try {
if (copier == null) {
CodeGenerator<PriorityQueueCopier> cg =
CodeGenerator.get(
PriorityQueueCopier.TEMPLATE_DEFINITION,
context.getFunctionRegistry(),
context.getOptions());
ClassGenerator<PriorityQueueCopier> g = cg.getRoot();
generateComparisons(g, batch);
g.setMappingSet(COPIER_MAPPING_SET);
CopyUtil.generateCopies(g, batch, true);
g.setMappingSet(MAIN_MAPPING);
copier = context.getImplementationClass(cg);
} else {
copier.close();
}
BufferAllocator allocator = spilling ? copierAllocator : oAllocator;
for (VectorWrapper<?> i : batch) {
ValueVector v = TypeHelper.getNewVector(i.getField(), allocator);
outputContainer.add(v);
}
copier.setup(context, allocator, batch, batchGroupList, outputContainer);
} catch (ClassTransformationException | IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void close() {
try {
if (batchGroups != null) {
closeBatchGroups(batchGroups);
batchGroups = null;
}
if (spilledBatchGroups != null) {
closeBatchGroups(spilledBatchGroups);
spilledBatchGroups = null;
}
} finally {
if (builder != null) {
builder.clear();
builder.close();
}
if (sv4 != null) {
sv4.clear();
}
try {
if (copier != null) {
copier.close();
}
} catch (IOException e) {
throw new RuntimeException(e);
} finally {
copierAllocator.close();
super.close();
if (mSorter != null) {
mSorter.clear();
}
for (Iterator iter = this.currSpillDirs.iterator(); iter.hasNext(); iter.remove()) {
Path path = (Path) iter.next();
try {
if (fs != null && path != null && fs.exists(path)) {
if (fs.delete(path, true)) {
fs.cancelDeleteOnExit(path);
}
}
} catch (IOException e) {
// since this is meant to be used in a batches's cleanup, we don't propagate the
// exception
logger.warn("Unable to delete spill directory " + path, e);
}
}
}
}
}