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

Example 21 with DroolsQuery

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

the class PhreakQueryNode method doLeftDeletes.

public void doLeftDeletes(QueryElementNodeMemory qmem, ReteEvaluator reteEvaluator, TupleSets<LeftTuple> srcLeftTuples, TupleSets<LeftTuple> trgLeftTuples, TupleSets<LeftTuple> stagedLeftTuples) {
    for (LeftTuple leftTuple = srcLeftTuples.getDeleteFirst(); leftTuple != null; ) {
        LeftTuple next = leftTuple.getStagedNext();
        InternalFactHandle fh = (InternalFactHandle) leftTuple.getContextObject();
        DroolsQuery dquery = (DroolsQuery) fh.getObject();
        if (dquery.isOpen()) {
            LeftInputAdapterNode lian = (LeftInputAdapterNode) qmem.getQuerySegmentMemory().getRootNode();
            LiaNodeMemory lm = (LiaNodeMemory) qmem.getQuerySegmentMemory().getNodeMemories().get(0);
            // there is only one, all other LTs are peers
            LeftTuple childLeftTuple = fh.getFirstLeftTuple();
            LeftInputAdapterNode.doDeleteObject(childLeftTuple, childLeftTuple.getPropagationContext(), qmem.getQuerySegmentMemory(), reteEvaluator, lian, false, lm);
        } else {
            LeftTuple childLeftTuple = leftTuple.getFirstChild();
            while (childLeftTuple != null) {
                LeftTuple nextChild = childLeftTuple.getHandleNext();
                RuleNetworkEvaluator.unlinkAndDeleteChildLeftTuple(childLeftTuple, trgLeftTuples, stagedLeftTuples);
                childLeftTuple = nextChild;
            }
        }
        leftTuple.clearStaged();
        leftTuple = next;
    }
}

Example 22 with DroolsQuery

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

the class UnificationConstraint method evaluateUnification.

private boolean evaluateUnification(InternalFactHandle handle, Tuple tuple, ReteEvaluator reteEvaluator) {
    if (!unification) {
        return evaluator.evaluate(handle, tuple, reteEvaluator);
    }
    DroolsQuery query = (DroolsQuery) tuple.getObject(0);
    if (query.getVariables()[indexingDeclaration.getExtractor().getIndex()] != null) {
        return true;
    }
    if (evaluator != null) {
        return evaluator.evaluate(handle, tuple, reteEvaluator);
    }
    Object argument = indexingDeclaration.getValue(null, query);
    return handle.getObject().equals(argument);
}

Example 23 with DroolsQuery

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

the class MVELConstraint method isAllowedCachedRight.

public boolean isAllowedCachedRight(Tuple tuple, ContextEntry context) {
    if (isUnification) {
        DroolsQuery query = (DroolsQuery) tuple.get(0).getObject();
        Variable v = query.getVariables()[((UnificationContextEntry) context).getReader().getIndex()];
        if (v != null) {
            return true;
        }
        context = ((UnificationContextEntry) context).getContextEntry();
    }
    MvelContextEntry mvelContextEntry = (MvelContextEntry) context;
    return evaluate(mvelContextEntry.rightHandle, mvelContextEntry.reteEvaluator, tuple);
}

Example 24 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, ReteEvaluator reteEvaluator) {
    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, reteEvaluator), 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;
}