SearchTerm buildAnyTerm(String fieldName, String value) {
SearchTerm term = new SearchTerm();
term.setOperator("=");
term.setFieldName(fieldName);
term.setValue(value.toLowerCase().trim());
return term;
}
BooleanClause partialMatch(SearchTerm s, int slop) {
String[] phrase = getPhrase(s.getValue().toLowerCase().trim());
PhraseQuery query = new PhraseQuery();
BooleanClause partialMatchClause = null;
query.setSlop(slop);
for (int i = 0; i < phrase.length; i++) {
query.add(new Term(s.getFieldName(), phrase[i].toLowerCase().trim()));
}
if (s.getOperator().equalsIgnoreCase("=")) {
partialMatchClause = new BooleanClause(query, BooleanClause.Occur.MUST);
} else if (s.getOperator().equalsIgnoreCase("-")) {
partialMatchClause = new BooleanClause(query, BooleanClause.Occur.MUST_NOT);
}
return partialMatchClause;
}
BooleanQuery orPhraseQuery(List<SearchTerm> orSearchTerms) {
BooleanQuery orTerms = new BooleanQuery();
orTerms.setMaxClauseCount(dvnMaxClauseCount);
for (Iterator it = orSearchTerms.iterator(); it.hasNext(); ) {
SearchTerm elem = (SearchTerm) it.next();
String[] phrase = getPhrase(elem.getValue().toLowerCase().trim());
if (phrase.length > 1) {
BooleanClause partialMatchClause = null;
PhraseQuery phraseQuery = new PhraseQuery();
phraseQuery.setSlop(3);
for (int i = 0; i < phrase.length; i++) {
phraseQuery.add(new Term(elem.getFieldName(), phrase[i].toLowerCase().trim()));
}
orTerms.add(phraseQuery, BooleanClause.Occur.SHOULD);
} else {
Term t = new Term(elem.getFieldName(), elem.getValue().toLowerCase().trim());
TermQuery orQuery = new TermQuery(t);
orTerms.add(orQuery, BooleanClause.Occur.SHOULD);
}
}
return orTerms;
}
BooleanQuery andSearchTermClause(List<SearchTerm> andSearchTerms) {
BooleanQuery andTerms = new BooleanQuery();
andTerms.setMaxClauseCount(dvnMaxClauseCount);
Query rQuery = null;
for (Iterator it = andSearchTerms.iterator(); it.hasNext(); ) {
SearchTerm elem = (SearchTerm) it.next();
if (elem.getOperator().equals("<")) {
Term end = new Term(elem.getFieldName(), elem.getValue().toLowerCase().trim());
Term begin = null;
rQuery = new RangeQuery(begin, end, true);
andTerms.add(rQuery, BooleanClause.Occur.MUST);
} else if (elem.getOperator().equals(">")) {
Term end = null;
Term begin = new Term(elem.getFieldName(), elem.getValue().toLowerCase().trim());
rQuery = new RangeQuery(begin, end, true);
andTerms.add(rQuery, BooleanClause.Occur.MUST);
} else if (elem.getFieldName().equalsIgnoreCase("any")) {
andTerms = buildAnyQuery(elem.getValue().toLowerCase().trim());
} else {
String[] phrase = getPhrase(elem.getValue().toLowerCase().trim());
if (phrase.length > 1) {
PhraseQuery phraseQuery = new PhraseQuery();
phraseQuery.setSlop(0);
andTerms.add(partialMatch(elem, 3));
} else {
Term t = new Term(elem.getFieldName(), elem.getValue().toLowerCase().trim());
TermQuery andQuery = new TermQuery(t);
if (elem.getOperator().equals("=")) {
andTerms.add(andQuery, BooleanClause.Occur.MUST);
} else if (elem.getOperator().equalsIgnoreCase("-")) {
andTerms.add(andQuery, BooleanClause.Occur.MUST_NOT);
}
}
}
}
return andTerms;
}
