/**
* If the kernel rule is using an input parameter and its value is already set do propagate this
* value to the attribute context of multi rules.
*/
public void applyValueOfInputParameter() {
final VarTuple vars = (VarTuple) this.getAttrContext().getVariables();
for (int i = 0; i < vars.getNumberOfEntries(); i++) {
final VarMember v = vars.getVarMemberAt(i);
if (v.isInputParameter() && v.isSet()) {
VarMember vm =
((VarTuple) this.kernelRule.getAttrContext().getVariables())
.getVarMemberAt(v.getName());
if (vm != null && (vm.getExpr() == null || !v.getExprAsText().equals(vm.getExprAsText()))) {
// vm.setExprAsText(v.getExprAsText());
vm.setExpr(v.getExpr());
}
for (int j = 0; j < this.multiRules.size(); j++) {
vm =
((VarTuple) this.multiRules.get(j).getAttrContext().getVariables())
.getVarMemberAt(v.getName());
if (vm != null
&& (vm.getExpr() == null || !v.getExprAsText().equals(vm.getExprAsText()))) {
// vm.setExprAsText(v.getExprAsText());
vm.setExpr(v.getExpr());
}
}
}
}
// System.out.println("applyValueOfInputParameter... "+this.kernelRule.getName());
// ((VarTuple) this.kernelRule.getAttrContext().getVariables()).showVariables();
// for (int j=0; j<this.multiRules.size(); j++) {
// System.out.println("applyValueOfInputParameter... "+this.multiRules.get(j).getName());
// ((VarTuple) this.multiRules.get(j).getAttrContext().getVariables()).showVariables();
// }
}
// olga: propagate value of OUTPUT parameters of rule r1 to INPUT parameters of rule r2
void propagateOutParamToInParamOfRule(Hashtable<String, String> outPars, Rule r) {
if (outPars != null && !outPars.isEmpty()) {
VarTuple vars = (VarTuple) r.getAttrContext().getVariables();
for (int i = 0; i < vars.getNumberOfEntries(); i++) {
VarMember var = vars.getVarMemberAt(i);
String outVal = outPars.get(var.getName());
if (outVal != null && var.isInputParameter()) {
var.setExprAsText(outVal);
}
}
}
}
void setInputParameter(Rule r) {
VarTuple vars = (VarTuple) r.getAttrContext().getVariables();
for (int i = 0; i < vars.getNumberOfEntries(); i++) {
VarMember var = (VarMember) vars.getMemberAt(i);
if (var.isInputParameter())
System.out.println(var.getName() + " is already input parameter of rule: " + r.getName());
else {
// this var should be an input parameter
var.setInputParameter(true);
System.out.println(var.getName() + " is now input parameter of rule: " + r.getName());
}
}
}
void setPars(Rule r) throws IOException {
System.out.println("\n TAKING INPUTS to APPLY Rule: " + r.getName() + "\n");
List<String> list = r.getInputParameterNames();
System.out.println("The parameters for " + r.getName() + " are: " + list);
// System.out.println("The parameters values for " + r.getName() + " are: " +
// r.getInputParameters());
System.out.println("The parameters values:");
for (int i = 0; i < list.size(); i++) {
String pname = list.get(i);
VarMember var = (VarMember) ((VarTuple) r.getAttrContext().getVariables()).getMemberAt(pname);
if (var.isSet()) System.out.println(pname + " is set to value: " + var.getExprAsText());
else System.out.println(pname + " is not set");
}
VarTuple vars = (VarTuple) r.getAttrContext().getVariables();
for (int i = 0; i < vars.getNumberOfEntries(); i++) {
VarMember var = (VarMember) vars.getMemberAt(i);
if (var.isInputParameter()) {
// olga:
if (!var.isSet()) {
System.out.println(
var.getName() + " is already input parameter of rule: " + r.getName());
System.out.println(
"\n \n Please Enter the value for input parameter for rule -- "
+ r.getName()
+ " --, parameter name -- "
+ var.getName()
+ " --: ");
Scanner scan = new Scanner(System.in);
String value = scan.nextLine();
System.out.println("The given input was: " + value);
var.setInputParameter(true);
var.setExprAsText(value);
// in1.close();
System.out.println(var.getName() + " is now input parameter of rule: " + r.getName());
} else {
System.out.println(
var.getExprAsText()
+ " is value of the INPUT parameter: "
+ var.getName()
+ " of rule: "
+ r.getName());
}
}
}
// in.close();
}
private boolean isInputParameterSet(final AttrContext attrContext, boolean left) {
AttrVariableTuple avt = attrContext.getVariables();
for (int i = 0; i < avt.getNumberOfEntries(); i++) {
VarMember v = avt.getVarMemberAt(i);
if (v.isInputParameter()) {
this.hasInputParameter = true;
if (!v.isSet()) {
if (left && leftGraphIsUsingVariable(v)) {
return false;
} else if (!left && rightGraphIsUsingVariable(v)) {
return false;
}
}
}
}
return true;
}