Examples with QueryTerminalNode org.drools.core.reteoo.QueryTerminalNode used on opensource projects

Example 1 with QueryTerminalNode

use of org.drools.core.reteoo.QueryTerminalNode in project drools by kiegroup.

the class QueryTerminalNodeVisitor method doVisit.

@Override
protected void doVisit(NetworkNode node, Stack<NetworkNode> nodeStack, StatefulKnowledgeSessionInfo info) {
    QueryTerminalNode rtn = (QueryTerminalNode) node;
    RuleImpl rule = rtn.getRule();
    // first thing, associate all nodes belonging to this rule
    for (NetworkNode snode : nodeStack) {
        info.assign(snode, rule);
    }
// Query Terminal Nodes no longer have memory
// TODO delete this
// final LinkedList<?> memory = (LinkedList<?>) info.getSession().getNodeMemory( rtn );
// final DefaultNodeInfo ni = (DefaultNodeInfo) info.getNodeInfo( node );
// ni.setMemoryEnabled( true );
// ni.setTupleMemorySize( memory.size() );
}

Example 2 with QueryTerminalNode

use of org.drools.core.reteoo.QueryTerminalNode in project drools by kiegroup.

the class StatefulKnowledgeSessionImpl method internalGetQueryResult.

protected QueryResultsImpl internalGetQueryResult(boolean calledFromRHS, String queryName, Object... arguments) {
    try {
        startOperation();
        this.lock.lock();
        this.kBase.executeQueuedActions();
        // eventually enqueued by events that have been inserted when already expired
        if (calledFromRHS) {
            flushPropagations();
            flushPropagations();
        } else {
            agenda.executeFlush();
            agenda.executeFlush();
        }
        DroolsQuery queryObject = new DroolsQuery(queryName, arguments, getQueryListenerInstance(), false, null, null, null, null, null);
        InternalFactHandle handle = this.handleFactory.newFactHandle(queryObject, null, this, this);
        final PropagationContext pCtx = pctxFactory.createPropagationContext(getNextPropagationIdCounter(), PropagationContext.Type.INSERTION, null, null, handle, getEntryPoint());
        BaseNode[] tnodes = evalQuery(queryName, queryObject, handle, pCtx, calledFromRHS);
        List<Map<String, Declaration>> decls = new ArrayList<Map<String, Declaration>>();
        if (tnodes != null) {
            for (BaseNode node : tnodes) {
                decls.add(((QueryTerminalNode) node).getSubRule().getOuterDeclarations());
            }
        }
        this.handleFactory.destroyFactHandle(handle);
        return new QueryResultsImpl((List<QueryRowWithSubruleIndex>) queryObject.getQueryResultCollector().getResults(), decls.toArray(new Map[decls.size()]), this, (queryObject.getQuery() != null) ? queryObject.getQuery().getParameters() : new Declaration[0]);
    } finally {
        this.lock.unlock();
        endOperation();
    }
}

Example 3 with QueryTerminalNode

use of org.drools.core.reteoo.QueryTerminalNode in project drools by kiegroup.

the class AbstractQueryViewListener method rowAdded.

public void rowAdded(final RuleImpl rule, final LeftTuple tuple, final PropagationContext context, final InternalWorkingMemory workingMemory) {
    InternalFactHandle[] handles = new InternalFactHandle[tuple.getIndex() + 1];
    LeftTuple entry = tuple;
    // Add all the FactHandles
    while (entry != null) {
        InternalFactHandle handle = entry.getFactHandle();
        if (handle != null) {
            handles[entry.getIndex()] = getHandle(handle);
        }
        entry = entry.getParent();
    }
    QueryTerminalNode node = (QueryTerminalNode) tuple.getTupleSink();
    this.results.add(new QueryRowWithSubruleIndex(handles, node.getSubruleIndex()));
}