/**
* Adds an <code>Expression</code> to a <code>Criteria</code>.
*
* @param criteria
* @param parameterName
* @param parameterValue
* @param comparatorID
* @param matchMode
*/
private void addExpression(
org.hibernate.Criteria criteria,
String parameterName,
Object parameterValue,
int comparatorID,
org.hibernate.criterion.MatchMode matchMode) {
if (parameterValue != null) {
switch (comparatorID) {
case CriteriaSearchParameter.LIKE_COMPARATOR:
{
if ((matchMode != null) && (parameterValue instanceof String)) {
criteria.add(
org.hibernate.criterion.Expression.like(
parameterName, (String) parameterValue, matchMode));
} else {
criteria.add(org.hibernate.criterion.Expression.like(parameterName, parameterValue));
}
break;
}
case CriteriaSearchParameter.INSENSITIVE_LIKE_COMPARATOR:
{
if ((matchMode != null) && (parameterValue instanceof String)) {
criteria.add(
org.hibernate.criterion.Expression.ilike(
parameterName, (String) parameterValue, matchMode));
} else {
criteria.add(org.hibernate.criterion.Expression.ilike(parameterName, parameterValue));
}
break;
}
case CriteriaSearchParameter.EQUAL_COMPARATOR:
{
criteria.add(org.hibernate.criterion.Expression.eq(parameterName, parameterValue));
break;
}
case CriteriaSearchParameter.GREATER_THAN_OR_EQUAL_COMPARATOR:
{
criteria.add(org.hibernate.criterion.Expression.ge(parameterName, parameterValue));
break;
}
case CriteriaSearchParameter.GREATER_THAN_COMPARATOR:
{
criteria.add(org.hibernate.criterion.Expression.gt(parameterName, parameterValue));
break;
}
case CriteriaSearchParameter.LESS_THAN_OR_EQUAL_COMPARATOR:
{
criteria.add(org.hibernate.criterion.Expression.le(parameterName, parameterValue));
break;
}
case CriteriaSearchParameter.LESS_THAN_COMPARATOR:
{
criteria.add(org.hibernate.criterion.Expression.lt(parameterName, parameterValue));
break;
}
}
} else {
criteria.add(org.hibernate.criterion.Expression.isNull(parameterName));
}
}
public List getNextPrevEntries(
WeblogEntryData current, String catName, String locale, int maxEntries, boolean next)
throws RollerException {
Junction conjunction = Expression.conjunction();
conjunction.add(Expression.eq("website", current.getWebsite()));
conjunction.add(Expression.eq("status", WeblogEntryData.PUBLISHED));
if (next) {
conjunction.add(Expression.gt("pubTime", current.getPubTime()));
} else {
conjunction.add(Expression.lt("pubTime", current.getPubTime()));
}
if (catName != null && !catName.trim().equals("/")) {
WeblogCategoryData category = getWeblogCategoryByPath(current.getWebsite(), null, catName);
if (category != null) {
conjunction.add(Expression.eq("category", category));
} else {
throw new RollerException("Cannot find category: " + catName);
}
}
if (locale != null) {
conjunction.add(Expression.ilike("locale", locale, MatchMode.START));
}
try {
Session session = ((HibernatePersistenceStrategy) this.strategy).getSession();
Criteria criteria = session.createCriteria(WeblogEntryData.class);
criteria.addOrder(next ? Order.asc("pubTime") : Order.desc("pubTime"));
criteria.add(conjunction);
criteria.setMaxResults(maxEntries);
List results = criteria.list();
return results;
} catch (HibernateException e) {
throw new RollerException(e);
}
}
/**
* Adds an <code>Expression</code> to a <code>Criteria</code>. The given <code>parameterValues
* </code> represents either an array of <code>String</code> or another object. The different
* values in the array are added to a disjunction which is connected with logical and to the other
* criteria of the search.
*
* @param criteria
* @param parameterName
* @param parameterValues
* @param searchIfNull
* @param comparatorID
* @param matchMode
*/
private void addExpression(
org.hibernate.Criteria criteria,
String parameterName,
Object[] parameterValues,
int comparatorID,
org.hibernate.criterion.MatchMode matchMode) {
if (parameterValues != null) {
org.hibernate.criterion.Disjunction disjunction =
org.hibernate.criterion.Expression.disjunction();
switch (comparatorID) {
case CriteriaSearchParameter.LIKE_COMPARATOR:
{
if ((matchMode != null) && (parameterValues instanceof String[])) {
String[] stringParameterValues = (String[]) parameterValues;
for (int index = 0; index < parameterValues.length; index++) {
if (stringParameterValues[index] != null) {
disjunction.add(
org.hibernate.criterion.Expression.like(
parameterName, stringParameterValues[index], matchMode));
} else {
disjunction.add(org.hibernate.criterion.Expression.isNull(parameterName));
}
}
} else {
for (int index = 0; index < parameterValues.length; index++) {
if (parameterValues[index] != null) {
disjunction.add(
org.hibernate.criterion.Expression.like(
parameterName, parameterValues[index]));
} else {
disjunction.add(org.hibernate.criterion.Expression.isNull(parameterName));
}
}
}
break;
}
case CriteriaSearchParameter.INSENSITIVE_LIKE_COMPARATOR:
{
if ((matchMode != null) && (parameterValues instanceof String[])) {
String[] stringParameterValues = (String[]) parameterValues;
for (int index = 0; index < parameterValues.length; index++) {
if (stringParameterValues[index] != null) {
disjunction.add(
org.hibernate.criterion.Expression.ilike(
parameterName, stringParameterValues[index], matchMode));
} else {
disjunction.add(org.hibernate.criterion.Expression.isNull(parameterName));
}
}
} else {
for (int index = 0; index < parameterValues.length; index++) {
if (parameterValues[index] != null) {
disjunction.add(
org.hibernate.criterion.Expression.ilike(
parameterName, parameterValues[index]));
} else {
disjunction.add(org.hibernate.criterion.Expression.isNull(parameterName));
}
}
}
break;
}
case CriteriaSearchParameter.EQUAL_COMPARATOR:
{
for (int index = 0; index < parameterValues.length; index++) {
if (parameterValues[index] != null) {
disjunction.add(
org.hibernate.criterion.Expression.eq(parameterName, parameterValues[index]));
} else {
disjunction.add(org.hibernate.criterion.Expression.isNull(parameterName));
}
}
break;
}
case CriteriaSearchParameter.GREATER_THAN_OR_EQUAL_COMPARATOR:
{
for (int index = 0; index < parameterValues.length; index++) {
if (parameterValues[index] != null) {
disjunction.add(
org.hibernate.criterion.Expression.ge(parameterName, parameterValues[index]));
} else {
disjunction.add(org.hibernate.criterion.Expression.isNull(parameterName));
}
}
break;
}
case CriteriaSearchParameter.GREATER_THAN_COMPARATOR:
{
for (int index = 0; index < parameterValues.length; index++) {
if (parameterValues[index] != null) {
disjunction.add(
org.hibernate.criterion.Expression.gt(parameterName, parameterValues[index]));
} else {
disjunction.add(org.hibernate.criterion.Expression.isNull(parameterName));
}
}
break;
}
case CriteriaSearchParameter.LESS_THAN_OR_EQUAL_COMPARATOR:
{
for (int index = 0; index < parameterValues.length; index++) {
if (parameterValues[index] != null) {
disjunction.add(
org.hibernate.criterion.Expression.le(parameterName, parameterValues[index]));
} else {
disjunction.add(org.hibernate.criterion.Expression.isNull(parameterName));
}
}
break;
}
case CriteriaSearchParameter.LESS_THAN_COMPARATOR:
{
for (int index = 0; index < parameterValues.length; index++) {
if (parameterValues[index] != null) {
disjunction.add(
org.hibernate.criterion.Expression.lt(parameterName, parameterValues[index]));
} else {
disjunction.add(org.hibernate.criterion.Expression.isNull(parameterName));
}
}
break;
}
}
criteria.add(disjunction);
} else {
criteria.add(org.hibernate.criterion.Expression.isNull(parameterName));
}
}