public void modifyObject( InternalFactHandle factHandle, ModifyPreviousTuples modifyPreviousTuples, PropagationContext context, InternalWorkingMemory workingMemory) { RightTuple rightTuple = modifyPreviousTuples.peekRightTuple(); // if the peek is for a different OTN we assume that it is after the current one and then this // is an assert while (rightTuple != null && ((BetaNode) rightTuple.getRightTupleSink()).getRightInputOtnId() < getRightInputOtnId()) { modifyPreviousTuples.removeRightTuple(); // we skipped this node, due to alpha hashing, so retract now rightTuple.getRightTupleSink().retractRightTuple(rightTuple, context, workingMemory); rightTuple = modifyPreviousTuples.peekRightTuple(); } if (rightTuple != null && ((BetaNode) rightTuple.getRightTupleSink()).getRightInputOtnId() == getRightInputOtnId()) { modifyPreviousTuples.removeRightTuple(); rightTuple.reAdd(); if (intersect(context.getModificationMask(), rightInferredMask)) { // RightTuple previously existed, so continue as modify modifyRightTuple(rightTuple, context, workingMemory); } } else { if (intersect(context.getModificationMask(), rightInferredMask)) { // RightTuple does not exist for this node, so create and continue as assert assertObject(factHandle, context, workingMemory); } } }
public void modifyObject( InternalFactHandle factHandle, ModifyPreviousTuples modifyPreviousTuples, PropagationContext context, InternalWorkingMemory workingMemory) { RightTuple rightTuple = modifyPreviousTuples.peekRightTuple(); while (rightTuple != null) { modifyPreviousTuples.removeRightTuple(); rightTuple = modifyPreviousTuples.peekRightTuple(); } this.updated.add(new Object[] {factHandle, context, workingMemory}); }
public void modifyObject( final InternalFactHandle handle, final PropagationContext context, final ObjectTypeConf objectTypeConf, final InternalWorkingMemory workingMemory) { // checks if shadow is enabled if (objectTypeConf.isShadowEnabled()) { // the user has implemented the ShadowProxy interface, let their implementation // know it is safe to update the information the engine can see. ((ShadowProxy) handle.getObject()).updateProxy(); } ObjectTypeNode[] cachedNodes = objectTypeConf.getObjectTypeNodes(); // make a reference to the previous tuples, then null then on the handle ModifyPreviousTuples modifyPreviousTuples = new ModifyPreviousTuples(handle.getFirstLeftTuple(), handle.getFirstRightTuple()); handle.clearLeftTuples(); handle.clearRightTuples(); for (int i = 0, length = cachedNodes.length; i < length; i++) { cachedNodes[i].modifyObject(handle, modifyPreviousTuples, context, workingMemory); // remove any right tuples that matches the current OTN before continue the modify on the next // OTN cache entry if (i < cachedNodes.length - 1) { RightTuple rightTuple = modifyPreviousTuples.peekRightTuple(); while (rightTuple != null && rightTuple.getRightTupleSink() instanceof BetaNode && ((BetaNode) rightTuple.getRightTupleSink()).getObjectTypeNode() == cachedNodes[i]) { modifyPreviousTuples.removeRightTuple(); rightTuple = modifyPreviousTuples.peekRightTuple(); } } } modifyPreviousTuples.retractTuples(context, workingMemory); }
public void modifyObject( final InternalFactHandle handle, final PropagationContext context, final ObjectTypeConf objectTypeConf, final InternalWorkingMemory wm) { if (log.isTraceEnabled()) { log.trace("Update {}", handle.toString()); } // checks if shadow is enabled if (objectTypeConf.isShadowEnabled()) { // the user has implemented the ShadowProxy interface, let their implementation // know it is safe to update the information the engine can see. ((ShadowProxy) handle.getObject()).updateProxy(); } ObjectTypeNode[] cachedNodes = objectTypeConf.getObjectTypeNodes(); // make a reference to the previous tuples, then null then on the handle ModifyPreviousTuples modifyPreviousTuples = new ModifyPreviousTuples( handle.getFirstLeftTuple(), handle.getFirstRightTuple(), unlinkingEnabled); handle.clearLeftTuples(); handle.clearRightTuples(); for (int i = 0, length = cachedNodes.length; i < length; i++) { cachedNodes[i].modifyObject(handle, modifyPreviousTuples, context, wm); // remove any right tuples that matches the current OTN before continue the modify on the next // OTN cache entry if (i < cachedNodes.length - 1) { RightTuple rightTuple = modifyPreviousTuples.peekRightTuple(); while (rightTuple != null && ((BetaNode) rightTuple.getRightTupleSink()).getObjectTypeNode() == cachedNodes[i]) { modifyPreviousTuples.removeRightTuple(); if (unlinkingEnabled) { BetaMemory bm = BetaNode.getBetaMemory((BetaNode) rightTuple.getRightTupleSink(), wm); BetaNode.doDeleteRightTuple(rightTuple, wm, bm); } else { ((BetaNode) rightTuple.getRightTupleSink()).retractRightTuple(rightTuple, context, wm); } rightTuple = modifyPreviousTuples.peekRightTuple(); } LeftTuple leftTuple; ObjectTypeNode otn; while (true) { leftTuple = modifyPreviousTuples.peekLeftTuple(); otn = null; if (leftTuple != null) { LeftTupleSink leftTupleSink = leftTuple.getLeftTupleSink(); if (leftTupleSink instanceof LeftTupleSource) { otn = ((LeftTupleSource) leftTupleSink).getLeftTupleSource().getObjectTypeNode(); } else if (leftTupleSink instanceof RuleTerminalNode) { otn = ((RuleTerminalNode) leftTupleSink).getObjectTypeNode(); } } if (otn == null || otn == cachedNodes[i + 1]) break; modifyPreviousTuples.removeLeftTuple(); if (unlinkingEnabled) { LeftInputAdapterNode liaNode = (LeftInputAdapterNode) leftTuple.getLeftTupleSink().getLeftTupleSource(); LiaNodeMemory lm = (LiaNodeMemory) wm.getNodeMemory(liaNode); LeftInputAdapterNode.doDeleteObject( leftTuple, context, lm.getSegmentMemory(), wm, liaNode, true, lm); } else { leftTuple.getLeftTupleSink().retractLeftTuple(leftTuple, context, wm); } } } } modifyPreviousTuples.retractTuples(context, wm); }