adds an arc that should be required if this node is required concode_field_sep List<Arc> requiredArcs concode_elem_sep Log logger concode_elem_sep GraphElementDomain domain concode_elem_sep boolean queued concode_elem_sep GraphElementChangeListener listener concode_elem_sep int id concode_elem_sep List<Arc> arcs concode_elem_sep BusinessTable table concode_field_sep boolean isRequired concode_elem_sep void addArc concode_elem_sep void setRequirement concode_elem_sep boolean canReachAllNodes concode_elem_sep List<Arc> getArcs concode_elem_sep int getId concode_elem_sep int compareTo concode_elem_sep boolean doTargetSearch concode_elem_sep boolean canReachNode concode_elem_sep BusinessTable getTable concode_elem_sep void setQueued concode_elem_sep boolean prune concode_elem_sep boolean isNotRequired concode_elem_sep boolean isRequirementKnown concode_elem_sep String toString concode_elem_sep void clearRequirement concode_elem_sep boolean isQueued
void function ( Arc arg0 ) { if ( requiredArcs == null ) requiredArcs = new LinkedList < Arc > ( ) ; requiredArcs . add ( arg0 ) ; }