public void unblockAllActivations(org.drools.runtime.rule.Activation act) { AgendaItem targetMatch = ( AgendaItem ) act; boolean wasBlocked = (targetMatch.getBlockers() != null && !targetMatch.getBlockers().isEmpty() ); for ( LinkedListEntry entry = ( LinkedListEntry ) targetMatch.getBlockers().getFirst(); entry != null; ) { LinkedListEntry tmp = ( LinkedListEntry ) entry.getNext(); LogicalDependency dep = ( LogicalDependency ) entry.getObject(); ((AgendaItem)dep.getJustifier()).removeBlocked( dep ); entry = tmp; } if ( wasBlocked ) { // the match is no longer blocked, so stage it ((DefaultAgenda)workingMemory.getAgenda()).getStageActivationsGroup().addActivation( targetMatch ); } }
public void cancelRemainingPreviousLogicalDependencies() { if ( this.previousJustified != null ) { for ( LogicalDependency dep = (LogicalDependency) this.previousJustified.getFirst(); dep != null; dep = (LogicalDependency) dep.getNext() ) { this.workingMemory.getTruthMaintenanceSystem().removeLogicalDependency( activation, dep, activation.getPropagationContext() ); } } if ( this.previousBlocked != null ) { for ( LogicalDependency dep = this.previousBlocked.getFirst(); dep != null; ) { LogicalDependency tmp = dep.getNext(); this.previousBlocked.remove( dep ); AgendaItem justified = ( AgendaItem ) dep.getJustified(); justified.getBlockers().remove( dep.getJustifierEntry() ); if (justified.getBlockers().isEmpty() ) { // the match is no longer blocked, so stage it ((DefaultAgenda)workingMemory.getAgenda()).getStageActivationsGroup().addActivation( justified ); } dep = tmp; } } }
public boolean addActivation(final AgendaItem activation) { if ( declarativeAgenda ) { if ( activationObjectTypeConf == null ) { EntryPoint ep = workingMemory.getEntryPoint(); activationObjectTypeConf = ((InternalWorkingMemoryEntryPoint) workingMemory.getWorkingMemoryEntryPoint( ep.getEntryPointId() )).getObjectTypeConfigurationRegistry().getObjectTypeConf( ep, activation ); } InternalFactHandle factHandle = workingMemory.getFactHandleFactory().newFactHandle( activation, activationObjectTypeConf, workingMemory, workingMemory ); workingMemory.getEntryPointNode().assertActivation( factHandle, activation.getPropagationContext(), workingMemory ); activation.setFactHandle( factHandle ); if ( !activation.isCanceled() && ( activation.getBlockers() == null || activation.getBlockers().isEmpty() ) ) { // All activations started off staged, they are unstaged if they are blocked or // allowed to move onto the actual agenda for firing. getStageActivationsGroup().addActivation( activation ); } return true; } else { addActivation( activation, true ); return true; } }
if ( activation.isCanceled() || ( activation.getBlockers() != null && activation.getBlockers().size() > 0 ) ) {
public void addBlocked(final LogicalDependency dep) { // Adds the blocked to the blockers list if ( this.blocked == null ) { this.blocked = new LinkedList<LogicalDependency>(); } this.blocked.add( dep ); // now ad the blocker to the blocked's list - we need to check that references are null first AgendaItem blocked = (AgendaItem)dep.getJustified(); if ( blocked.blockers == null ) { blocked.blockers = new LinkedList<LinkedListEntry<LogicalDependency>>(); blocked.blockers.add( dep.getJustifierEntry() ); } else if ( dep.getJustifierEntry().getNext() == null && dep.getJustifierEntry().getPrevious() == null && blocked.getBlockers().getFirst() != dep.getJustifierEntry() ) { blocked.blockers.add( dep.getJustifierEntry() ); } }
public void removeAllBlockersAndBlocked(DefaultAgenda agenda){ if ( this.blockers != null ) { // Iterate and remove this node's logical dependency list from each of it's blockers for ( LinkedListEntry<LogicalDependency> node = blockers.getFirst(); node != null; node = node.getNext() ) { LogicalDependency dep = node.getObject(); dep.getJustifier().getBlocked().remove( dep ); } } this.blockers = null; if ( this.blocked != null ) { // Iterate and remove this node's logical dependency list from each of it's blocked for ( LogicalDependency dep = blocked.getFirst(); dep != null; ) { LogicalDependency tmp = dep.getNext(); removeBlocked( dep ); AgendaItem justified = ( AgendaItem ) dep.getJustified(); if ( justified.getBlockers().isEmpty() && justified.isActivated() ) { // the match is no longer blocked, so stage it agenda.getStageActivationsGroup().addActivation( justified ); } dep = tmp; } } this.blocked = null; }
public void blockActivation(org.drools.runtime.rule.Activation act) { AgendaItem targetMatch = ( AgendaItem ) act; // iterate to find previous equal logical insertion LogicalDependency dep = null; if ( this.previousJustified != null ) { for ( dep = this.previousJustified.getFirst(); dep != null; dep = dep.getNext() ) { if ( targetMatch == dep.getJustified() ) { this.previousJustified.remove( dep ); break; } } } if ( dep == null ) { dep = new SimpleLogicalDependency( activation, targetMatch ); } this.activation.addBlocked( dep ); if ( targetMatch.getBlockers().size() == 1 && targetMatch.isActive() ) { // it wasn't blocked before, but is now, so we must remove it from all groups, so it cannot be executed. targetMatch.remove(); if ( targetMatch.getActivationGroupNode() != null ) { targetMatch.getActivationGroupNode().getActivationGroup().removeActivation( targetMatch ); } if ( targetMatch.getActivationNode() != null ) { final InternalRuleFlowGroup ruleFlowGroup = (InternalRuleFlowGroup) targetMatch.getActivationNode().getParentContainer(); ruleFlowGroup.removeActivation( targetMatch ); } } }