public static void startCache() {
try {
if (cache == null || cache.isClosed()) {
cache = CacheFactory.create(ds);
}
} catch (Exception e) {
e.printStackTrace();
}
}
public static void closeCache() {
try {
if (cache != null && !cache.isClosed()) {
cache.close();
}
} catch (Exception e) {
e.printStackTrace();
}
try {
if (ds != null) ds.disconnect();
} catch (Exception e) {
getLogWriter().fine("Error in disconnecting from Distributed System");
}
}
public Object evaluate(ExecutionContext context) throws RegionNotFoundException {
Region rgn;
Cache cache = context.getCache();
// do PR bucketRegion substitution here for expressions that evaluate to a Region.
PartitionedRegion pr = context.getPartitionedRegion();
if (pr != null && pr.getFullPath().equals(this.regionPath)) {
rgn = context.getBucketRegion();
} else if (pr != null) {
// Asif : This is a very tricky solution to allow equijoin queries on PartitionedRegion
// locally
// We have possibly got a situation of equijoin. it may be across PRs. so use the context's
// bucket region
// to get ID and then retrieve the this region's bucket region
BucketRegion br = context.getBucketRegion();
int bucketID = br.getId();
// Is current region a partitioned region
rgn = cache.getRegion(this.regionPath);
if (rgn.getAttributes().getDataPolicy().withPartitioning()) {
// convert it into bucket region.
PartitionedRegion prLocal = (PartitionedRegion) rgn;
rgn = prLocal.getDataStore().getLocalBucketById(bucketID);
}
} else {
rgn = cache.getRegion(this.regionPath);
}
if (rgn == null) {
// if we couldn't find the region because the cache is closed, throw
// a CacheClosedException
if (cache.isClosed()) {
throw new CacheClosedException();
}
throw new RegionNotFoundException(
LocalizedStrings.CompiledRegion_REGION_NOT_FOUND_0.toLocalizedString(this.regionPath));
}
if (context.isCqQueryContext()) {
return new QRegion(rgn, true, context);
} else {
return new QRegion(rgn, false, context);
}
}
