public String printTextualRepresentation() {
String description = QueryManager.addColouring("the negation of ");
ArrayList children = getChildNodes();
if (children != null) {
Iterator<PerformanceTreeNode> i = children.iterator();
while (i.hasNext()) {
PerformanceTreeNode child = i.next();
// print out child's textual representation
QueryManager.colourUp();
description += child.printTextualRepresentation();
QueryManager.colourDown();
}
} else {
description +=
QueryManager.addColouring("a boolean expression that has not been specified yet");
}
return description + QueryManager.addColouring(" holds");
}
public String printTextualRepresentation() {
String description = "";
String op = " and / or ";
if (getOperation().equals("and")) op = " and ";
else if (getOperation().equals("or")) op = " or ";
ArrayList children = getChildNodes();
if (children != null) {
Iterator<PerformanceTreeNode> i = children.iterator();
while (i.hasNext()) {
PerformanceTreeNode child = i.next();
QueryManager.colourUp();
description += child.printTextualRepresentation();
QueryManager.colourDown();
if (i.hasNext()) description += QueryManager.addColouring(op);
else {
if (children.size() == 1) {
description += QueryManager.addColouring(op);
QueryManager.colourUp();
description +=
QueryManager.addColouring("another boolean value that has not been specified yet ");
QueryManager.colourDown();
}
}
}
} else {
QueryManager.colourUp();
description += QueryManager.addColouring("a boolean value that has not been specified yet ");
QueryManager.colourDown();
description += QueryManager.addColouring(op);
QueryManager.colourUp();
description +=
QueryManager.addColouring("another boolean value that has also not been specified yet ");
QueryManager.colourDown();
}
return description + QueryManager.addColouring("holds ");
}