private List<Var> calcVars() {
List<Var> vars = new ArrayList<>(4);
// Only if not in parent.
// A (var/value) binding may have been copied down to record it's NodeId.
Binding b = idBinding.getParentBinding();
Iterator<Var> iter = idBinding.iterator();
for (Var v : idBinding) {
if (b == null || !b.contains(v)) vars.add(v);
}
return vars;
}
@Override
protected void format(StringBuffer sbuff, Var var) {
NodeId id = idBinding.get(var);
String extra = "";
if (id != null) extra = "/" + id;
Node node = get(var);
String tmp = NodeFmtLib.displayStr(node);
sbuff.append("( ?" + var.getVarName() + extra + " = " + tmp + " )");
}
public NodeId getNodeId(Var var) {
NodeId id = idBinding.get(var);
if (id != null) return id;
if (parent == null) return null;
// Maybe in the parent.
if (parent instanceof BindingTDB) return ((BindingTDB) parent).getNodeId(var);
return null;
}
@Override
public Node get1(Var var) {
try {
Node n = cacheGet(var);
if (n != null) return n;
NodeId id = idBinding.get(var);
if (id == null) return null;
n = nodeTable.getNodeForNodeId(id);
// Update cache.
cachePut(var, n);
return n;
} catch (Exception ex) {
Log.fatal(this, String.format("get1(%s)", var), ex);
return null;
}
}
@Override
public boolean contains1(Var var) {
return idBinding.containsKey(var);
}
@Override
protected int size1() {
return idBinding.size();
}
public BindingTDB(BindingNodeId idBinding, NodeTable nodeTable) {
// BindingNodeId contains the bindings actually used copied down when created.
super(idBinding.getParentBinding());
this.idBinding = idBinding;
this.nodeTable = nodeTable;
}