protected List<String> getFieldBinding(FieldConstraint f) {
List<String> result = new ArrayList<String>();
if (f instanceof SingleFieldConstraint) {
SingleFieldConstraint con = (SingleFieldConstraint) f;
if (con.isBound()) {
result.add(con.getFieldBinding());
}
if (con.getExpressionValue() != null && con.getExpressionValue().isBound()) {
result.add(con.getExpressionValue().getBinding());
}
if (con instanceof SingleFieldConstraintEBLeftSide) {
SingleFieldConstraintEBLeftSide exp = (SingleFieldConstraintEBLeftSide) con;
if (exp.getExpressionLeftSide() != null && exp.getExpressionLeftSide().isBound()) {
result.add(exp.getExpressionLeftSide().getBinding());
}
}
} else if (f instanceof CompositeFieldConstraint) {
CompositeFieldConstraint cfc = (CompositeFieldConstraint) f;
if (cfc.getConstraints() != null) {
for (FieldConstraint ss : cfc.getConstraints()) {
List<String> t = getFieldBinding(ss);
result.addAll(t);
}
}
}
return result;
}
/** This will get a list of all LHS bound variables, including bound fields.. */
public List<String> getAllLHSVariables() {
List<String> result = new ArrayList<String>();
for (int i = 0; i < this.lhs.length; i++) {
IPattern pat = this.lhs[i];
if (pat instanceof FromCompositeFactPattern) {
pat = ((FromCompositeFactPattern) pat).getFactPattern();
}
if (pat instanceof FactPattern) {
FactPattern fact = (FactPattern) pat;
if (fact.isBound()) {
result.add(fact.getBoundName());
}
for (int j = 0; j < fact.getFieldConstraints().length; j++) {
FieldConstraint fc = fact.getFieldConstraints()[j];
if (fc instanceof SingleFieldConstraintEBLeftSide) {
SingleFieldConstraintEBLeftSide exp = (SingleFieldConstraintEBLeftSide) fc;
if (exp.getExpressionLeftSide() != null && exp.getExpressionLeftSide().isBound()) {
result.add(exp.getExpressionLeftSide().getBinding());
}
} else if (fc instanceof SingleFieldConstraint) {
SingleFieldConstraint con = (SingleFieldConstraint) fc;
if (con.isBound()) {
result.add(con.getFieldBinding());
}
if (con.getExpressionValue() != null && con.getExpressionValue().isBound()) {
result.add(con.getExpressionValue().getBinding());
}
}
}
}
}
return result;
}
protected String getFieldBinding(FieldConstraint fc, String var) {
String fieldType = null;
if (fc instanceof SingleFieldConstraint) {
SingleFieldConstraint s = (SingleFieldConstraint) fc;
if (s.isBound() && var.equals(s.getFieldBinding())) {
fieldType = s.getFieldType();
}
}
if (fc instanceof SingleFieldConstraintEBLeftSide) {
SingleFieldConstraintEBLeftSide s = (SingleFieldConstraintEBLeftSide) fc;
if (s.isBound() && var.equals(s.getFieldBinding())) {
fieldType = s.getExpressionLeftSide().getGenericType();
}
}
if (fc instanceof CompositeFieldConstraint) {
CompositeFieldConstraint s = (CompositeFieldConstraint) fc;
if (s.getConstraints() != null) {
for (FieldConstraint ss : s.getConstraints()) {
fieldType = getFieldBinding(ss, var);
}
}
}
return fieldType;
}