Examples with DroolsQuery org.drools.core.base.DroolsQuery used on opensource projects

Example 11 with DroolsQuery

use of org.drools.core.base.DroolsQuery in project drools by kiegroup.

the class PhreakQueryTerminalNode method doLeftDeletes.

public void doLeftDeletes(QueryTerminalNode qtnNode, InternalAgenda agenda, TupleSets<LeftTuple> srcLeftTuples, LinkedList<StackEntry> stack) {
    for (LeftTuple leftTuple = srcLeftTuples.getDeleteFirst(); leftTuple != null; ) {
        LeftTuple next = leftTuple.getStagedNext();
        // qtnNode.retractLeftTuple( leftTuple, leftTuple.getPropagationContext(), wm );
        PropagationContext pCtx = RuleTerminalNode.findMostRecentPropagationContext(leftTuple, leftTuple.getPropagationContext());
        LeftTuple rootEntry = leftTuple;
        // find the DroolsQuery object
        while (rootEntry.getParent() != null) {
            rootEntry = rootEntry.getParent();
        }
        DroolsQuery dquery = (DroolsQuery) rootEntry.getFactHandle().getObject();
        dquery.setQuery(qtnNode.getQuery());
        if (dquery.getStackEntry() != null) {
            checkAndTriggerQueryReevaluation(agenda, stack, rootEntry, dquery);
        }
        // Add results to the adapter
        dquery.getQueryResultCollector().rowRemoved(qtnNode.getQuery(), leftTuple, pCtx, agenda.getWorkingMemory());
        leftTuple.clearStaged();
        leftTuple = next;
    }
}

Example 12 with DroolsQuery

use of org.drools.core.base.DroolsQuery in project drools by kiegroup.

the class QueryElementNode method createDroolsQuery.

public DroolsQuery createDroolsQuery(LeftTuple leftTuple, InternalFactHandle handle, StackEntry stackEntry, final List<PathMemory> pmems, QueryElementNodeMemory qmem, LeftTupleSink sink, InternalWorkingMemory workingMemory) {
    UnificationNodeViewChangedEventListener collector = createCollector(leftTuple, queryElement.getVariableIndexes(), this.tupleMemoryEnabled);
    boolean executeAsOpenQuery = openQuery;
    if (executeAsOpenQuery) {
        // There is no point in doing an open query if the caller is a non-open query.
        Object object = leftTuple.get(0).getObject();
        if (object instanceof DroolsQuery && !((DroolsQuery) object).isOpen()) {
            executeAsOpenQuery = false;
        }
    }
    DroolsQuery queryObject = new DroolsQuery(this.queryElement.getQueryName(), getActualArguments(leftTuple, workingMemory), collector, executeAsOpenQuery, stackEntry, pmems, qmem != null ? qmem.getResultLeftTuples() : null, qmem, sink);
    collector.setFactHandle(handle);
    handle.setObject(queryObject);
    // so it can be retracted later and destroyed
    leftTuple.setContextObject(handle);
    return queryObject;
}