How to use

scheduleFlush

method

in

org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor

  @Override
  public void completeOperation(ILSMIndex index, LSMOperationType opType, ISearchOperationCallback searchCallback,
      IModificationOperationCallback modificationCallback) throws HyracksDataException {
    // Flush will only be handled by last exiting thread.
    if (opType == LSMOperationType.MODIFICATION && threadRefCount.decrementAndGet() == 0
        && index.hasFlushRequestForCurrentMutableComponent()) {
      ILSMIndexAccessor accessor = index.createAccessor(NoOpIndexAccessParameters.INSTANCE);
      accessor.scheduleFlush();
    }
  }
}

private ILSMIOOperation scheduleFlush(OrderedIndexTestContext ctx)
    throws HyracksDataException, InterruptedException {
  ILSMIndexAccessor accessor =
      (ILSMIndexAccessor) ctx.getIndex().createAccessor(NoOpIndexAccessParameters.INSTANCE);
  return accessor.scheduleFlush();
}

ILSMIndexAccessor accessor = lsmIndex.createAccessor(NoOpIndexAccessParameters.INSTANCE);
accessor.getOpContext().setParameters(flushMap);
ILSMIOOperation flush = accessor.scheduleFlush();
lastFlushTime = System.nanoTime();
scheduledFlushes.put(flush.getTarget().getRelativePath(), (FlushOperation) flush);

ILSMIOOperation flush = accessor.scheduleFlush();
try {
  flush.sync();

if (flush && memoryComponentsAllocated) {
  try {
    createAccessor(NoOpIndexAccessParameters.INSTANCE).scheduleFlush().sync();
  } catch (InterruptedException e) {
    throw HyracksDataException.create(e);

  ILSMIOOperation flush = lsmAccessor.scheduleFlush();
  flush.sync();
  if (flush.getStatus() == LSMIOOperationStatus.FAILURE) {
  lsmAccessor.scheduleFlush().sync();
} else {
  isFoundNull = false;

  ILSMIOOperation flush = accessor.scheduleFlush();
  flush.sync();
  if (flush.getStatus() == LSMIOOperationStatus.FAILURE) {
  accessor.scheduleFlush().sync();
  isFoundNull = true;
} else {
  accessor.delete(tuple);
accessor.scheduleFlush().sync();

accessor.insert(tuple1);
accessor.scheduleFlush();
accessor.scheduleFlush();
accessor.scheduleFlush();
scheduler.modify = true;
ILSMIOOperation merge = accessor.scheduleMerge(btree.getDiskComponents());

ILSMIOOperation flush = accessor.scheduleFlush();
flush.sync();
if (flush.getStatus() == LSMIOOperationStatus.FAILURE) {

op2.performOperation(ctx,
    AccessMethodTestsConfig.BTREE_NUM_TUPLES_TO_INSERT / AccessMethodTestsConfig.BTREE_NUM_INSERT_ROUNDS);
accessor.scheduleFlush();
LSMBTree btree = (LSMBTree) ctx.getIndex();
Assert.assertEquals("Check disk components", 1, btree.getDiskComponents().size());

accessor.scheduleFlush();
accessor.scheduleFlush();
accessor.scheduleFlush();

accessor.scheduleFlush();