public SearchCondition buildSearchCondition(
String searchScope, SearchField searchField, String operator) {
SearchCondition searchCondition = new SearchCondition();
searchCondition.setSearchScope(searchScope);
searchCondition.setSearchField(searchField);
searchCondition.setOperator(operator);
return searchCondition;
}
/**
* Retrieves Strings corresponding to all valid _transition paths from a given node that satisfy a
* given condition.
*
* @param strHashSet a HashSet of Strings to contain all those in the MDAG satisfying {@code
* searchCondition} with {@code conditionString}
* @param searchCondition the SearchCondition enum field describing the type of relationship that
* Strings contained in the MDAG must have with {@code conditionString} in order to be
* included in the result set
* @param searchConditionString the String that all Strings in the MDAG must be related with in
* the fashion denoted by {@code searchCondition} in order to be included in the result set
* @param prefixString the String corresponding to the currently traversed _transition path
* @param node an int denoting the starting index of a SimpleMDAGNode's _transition set in
* mdagDataArray
*/
private void getStrings(
HashSet<String> strHashSet,
SearchCondition searchCondition,
String searchConditionString,
String prefixString,
SimpleMDAGNode node) {
int transitionSetBegin = node.getTransitionSetBeginIndex();
int onePastTransitionSetEnd = transitionSetBegin + node.getOutgoingTransitionSetSize();
// Traverse all the valid _transition paths beginning from each _transition in
// transitionTreeMap, inserting the
// corresponding Strings in to strHashSet that have the relationship with conditionString
// denoted by searchCondition
for (int i = transitionSetBegin; i < onePastTransitionSetEnd; i++) {
SimpleMDAGNode currentNode = mdagDataArray[i];
String newPrefixString = prefixString + currentNode.getLetter();
if (currentNode.isAcceptNode()
&& searchCondition.satisfiesCondition(newPrefixString, searchConditionString))
strHashSet.add(newPrefixString);
// Recursively call this to traverse all the valid _transition paths from currentNode
getStrings(strHashSet, searchCondition, searchConditionString, newPrefixString, currentNode);
}
/////
}
/**
* Retrieves Strings corresponding to all valid _transition paths from a given node that satisfy a
* given condition.
*
* @param strHashSet a HashSet of Strings to contain all those in the MDAG satisfying {@code
* searchCondition} with {@code conditionString}
* @param searchCondition the SearchCondition enum field describing the type of relationship that
* Strings contained in the MDAG must have with {@code conditionString} in order to be
* included in the result set
* @param searchConditionString the String that all Strings in the MDAG must be related with in
* the fashion denoted by {@code searchCondition} in order to be included in the result set
* @param prefixString the String corresponding to the currently traversed _transition path
* @param transitionTreeMap a TreeMap of Characters to MDAGNodes collectively representing an
* MDAGNode's _transition set
*/
private void getStrings(
HashSet<String> strHashSet,
SearchCondition searchCondition,
String searchConditionString,
String prefixString,
TreeMap<Character, MDAGNode> transitionTreeMap) {
// Traverse all the valid _transition paths beginning from each _transition in
// transitionTreeMap, inserting the
// corresponding Strings in to strHashSet that have the relationship with conditionString
// denoted by searchCondition
for (Entry<Character, MDAGNode> transitionKeyValuePair : transitionTreeMap.entrySet()) {
String newPrefixString = prefixString + transitionKeyValuePair.getKey();
MDAGNode currentNode = transitionKeyValuePair.getValue();
if (currentNode.isAcceptNode()
&& searchCondition.satisfiesCondition(newPrefixString, searchConditionString))
strHashSet.add(newPrefixString);
// Recursively call this to traverse all the valid _transition paths from currentNode
getStrings(
strHashSet,
searchCondition,
searchConditionString,
newPrefixString,
currentNode.getOutgoingTransitions());
}
/////
}