private void executeNextBlock(Query query) {
ExecutionBlockCursor cursor = query.getExecutionBlockCursor();
ExecutionBlock nextBlock = cursor.nextBlock();
SubQuery nextSubQuery = new SubQuery(query.context, query.getPlan(), nextBlock, query.sm);
nextSubQuery.setPriority(query.priority--);
query.addSubQuery(nextSubQuery);
nextSubQuery.handle(new SubQueryEvent(nextSubQuery.getId(), SubQueryEventType.SQ_INIT));
LOG.info("Scheduling SubQuery:" + nextSubQuery.getId());
if (LOG.isDebugEnabled()) {
LOG.debug("Scheduling SubQuery's Priority: " + nextSubQuery.getPriority());
LOG.debug("Scheduling SubQuery's Plan: \n" + nextSubQuery.getBlock().getPlan());
}
}
@Override
public void transition(Query query, QueryEvent event) {
synchronized (query.subqueries) {
for (SubQuery subquery : query.subqueries.values()) {
query.eventHandler.handle(new SubQueryEvent(subquery.getId(), SubQueryEventType.SQ_KILL));
}
}
}
@Override
public void transition(Query query, QueryEvent queryEvent) {
query.setStartTime();
SubQuery subQuery =
new SubQuery(
query.context,
query.getPlan(),
query.getExecutionBlockCursor().nextBlock(),
query.sm);
subQuery.setPriority(query.priority--);
query.addSubQuery(subQuery);
subQuery.handle(new SubQueryEvent(subQuery.getId(), SubQueryEventType.SQ_INIT));
LOG.debug("Schedule unit plan: \n" + subQuery.getBlock().getPlan());
}
public void addSubQuery(SubQuery subquery) {
subqueries.put(subquery.getId(), subquery);
}