@SuppressWarnings("rawtypes")
public static List<Object> performSearch(
Condition where, OrderBy orderby, String cacheName, InfinispanConnection conn)
throws TranslatorException {
QueryBuilder qb = getQueryBuilder(cacheName, conn);
if (orderby != null) {
List<SortSpecification> sss = orderby.getSortSpecifications();
for (SortSpecification spec : sss) {
Expression exp = spec.getExpression();
Column mdIDElement = ((ColumnReference) exp).getMetadataObject();
SortOrder so = SortOrder.ASC;
if (spec.getOrdering().name().equalsIgnoreCase(SortOrder.DESC.name())) {
so = SortOrder.DESC;
}
qb = qb.orderBy(mdIDElement.getSourceName(), so);
}
}
FilterConditionContext fcc = buildQueryFromWhereClause(where, qb, null);
List<Object> results = null;
Query query = null;
if (fcc != null) {
query = fcc.toBuilder().build();
results = query.list();
if (results == null) {
return Collections.emptyList();
}
} else if (orderby != null) {
query = qb.build();
results = query.list();
if (results == null) {
return Collections.emptyList();
}
} else {
results = new ArrayList<Object>();
RemoteCache<?, Object> c = (RemoteCache<?, Object>) conn.getCache();
for (Object id : c.keySet()) {
results.add(c.get(id));
}
}
return results;
}
private static FilterConditionContext buildQueryFromWhereClause(
Condition criteria,
@SuppressWarnings("rawtypes") QueryBuilder queryBuilder,
FilterConditionBeginContext fcbc)
throws TranslatorException {
if (criteria == null) return null;
FilterConditionContext fcc = null;
if (criteria instanceof AndOr) {
LogManager.logTrace(
LogConstants.CTX_CONNECTOR, "Infinispan DSL Parsing compound criteria."); // $NON-NLS-1$
AndOr crit = (AndOr) criteria;
AndOr.Operator op = crit.getOperator();
switch (op) {
case AND:
FilterConditionContext f_and =
buildQueryFromWhereClause(crit.getLeftCondition(), queryBuilder, fcbc);
FilterConditionBeginContext fcbca = null;
if (f_and != null) {
fcbca = f_and.and();
}
fcc = buildQueryFromWhereClause(crit.getRightCondition(), queryBuilder, fcbca);
break;
case OR:
FilterConditionContext f_or =
buildQueryFromWhereClause(crit.getLeftCondition(), queryBuilder, fcbc);
FilterConditionBeginContext fcbcb = null;
if (f_or != null) {
fcbcb = f_or.or();
}
fcc = buildQueryFromWhereClause(crit.getRightCondition(), queryBuilder, fcbcb);
break;
default:
throw new TranslatorException(
InfinispanPlugin.Util.gs(
InfinispanPlugin.Event.TEIID25050, new Object[] {op, "And, Or"}));
}
} else if (criteria instanceof Comparison) {
fcc = visit((Comparison) criteria, queryBuilder, fcbc);
} else if (criteria instanceof Like) {
fcc = visit((Like) criteria, queryBuilder, fcbc);
} else if (criteria instanceof In) {
fcc = visit((In) criteria, queryBuilder, fcbc);
} else if (criteria instanceof IsNull) {
fcc = visit((IsNull) criteria, queryBuilder, fcbc);
} else if (criteria instanceof Not) {
Condition c = ((Not) criteria).getCriteria();
if (fcbc == null) {
fcc = queryBuilder.not(buildQueryFromWhereClause(c, queryBuilder, fcbc));
} else {
fcc = fcbc.not(buildQueryFromWhereClause(c, queryBuilder, fcbc));
}
} else {
throw new TranslatorException(
InfinispanPlugin.Util.gs(InfinispanPlugin.Event.TEIID25054, criteria.toString()));
}
return fcc;
}
