/**
* Method declaration
*
* @throws SQLException
*/
void checkpoint(boolean defrag) throws SQLException {
if (defrag) {
ArrayList rootsArray = cCache.defrag();
for (int i = 0; i < rootsArray.size(); i++) {
int[] roots = (int[]) rootsArray.get(i);
if (roots != null) {
Trace.printSystemOut(org.hsqldb.lib.StringUtil.getList(roots, " ", ""));
}
}
DataFileDefrag2.updateTableIndexRoots(dDatabase.getTables(), rootsArray);
}
close(false);
pProperties.setProperty("modified", "yes");
pProperties.save();
if (cCache != null) {
cCache.open(false);
}
reopenAllTextCaches();
openScript();
}
/**
* Unregisters the object associated with the specified class and context.
*
* @param clazz the class
* @param context the context
*/
public void unregister(Class<?> clazz, K context) {
Cache<K, T> cache = getCache(clazz);
if (cache != null) {
cache.setObject(context, null);
if (cache.size() == 0) {
_cache.remove(clazz);
}
}
}
/**
* Gets the secondary keys that are registered with the class in CacheMap.
*
* @param clazz the class
* @param a the array to receive the keys.
* @return the secondary keys.
*/
public K[] getKeys(Class<?> clazz, K[] a) {
Cache<K, T> cache = getCache(clazz);
if (cache != null) {
Set<K> set = cache.keySet();
return set.toArray(a);
} else {
return a;
}
}
public static void main(String[] args) {
Cache ch = new Cache(0, 9);
ch.refer(1);
ch.refer(2);
ch.refer(3);
ch.refer(1);
ch.refer(4);
ch.refer(5);
ch.display(60);
}
/**
* Remove all registrations for the designated class.
*
* @param clazz the class
*/
@SuppressWarnings("unchecked")
public void remove(Class<?> clazz) {
Cache<K, T> cache = getCache(clazz);
if (cache != null) {
Object[] keys = cache.keySet().toArray();
for (Object context : keys) {
cache.setObject((K) context, null);
}
}
_cache.remove(clazz);
}
public List<T> getValues() {
List<T> list = new ArrayList<>();
Collection<Cache<K, T>> col = _cache.values();
for (Cache<K, T> o : col) {
Collection<T> col2 = o.values();
for (T o2 : col2) {
if (!list.contains(o2)) {
list.add(o2);
}
}
}
return list;
}
/**
* Registers an object with the specified clazz and object.
*
* @param clazz the class which is used as the key.
* @param object the object, or the value of the mapping
* @param context the secondary key. It is used to register multiple objects to the same primary
* key (the clazz parameter in this case).
*/
public void register(Class<?> clazz, T object, K context) {
if (clazz == null) {
throw new IllegalArgumentException("Parameter clazz cannot be null");
}
// register primitive type automatically
if (TypeUtils.isPrimitiveWrapper(clazz)) {
Class<?> primitiveType = TypeUtils.convertWrapperToPrimitiveType(clazz);
register(primitiveType, object, context);
}
Cache<K, T> cache = initCache(clazz);
cache.setObject(context, object);
}
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");
}
}
/**
* Tests that we are in {@link GemFireHealth#OKAY_HEALTH okay} health if the hit ratio dips below
* the threshold.
*/
public void testCheckHitRatio() throws CacheException {
Cache cache = CacheFactory.create(this.system);
// CachePerfStats stats = ((GemFireCache) cache).getCachePerfStats();
AttributesFactory factory = new AttributesFactory();
factory.setScope(Scope.LOCAL);
factory.setCacheLoader(
new CacheLoader() {
public Object load(LoaderHelper helper) throws CacheLoaderException {
return "Loaded";
}
public void close() {}
});
RegionAttributes attrs = factory.create();
Region region = cache.createRegion(this.getName(), attrs);
GemFireHealthConfig config = new GemFireHealthConfigImpl(null);
config.setMinHitRatio(0.5);
CacheHealthEvaluator eval =
new CacheHealthEvaluator(config, this.system.getDistributionManager());
List status = new ArrayList();
eval.evaluate(status);
assertEquals(0, status.size());
region.get("One");
region.get("One");
region.get("One");
status = new ArrayList();
eval.evaluate(status);
assertEquals(0, status.size());
for (int i = 0; i < 50; i++) {
region.get("Miss " + i);
}
status = new ArrayList();
eval.evaluate(status);
AbstractHealthEvaluator.HealthStatus ill = (AbstractHealthEvaluator.HealthStatus) status.get(0);
assertEquals(GemFireHealth.OKAY_HEALTH, ill.getHealthCode());
String s = "The hit ratio of this Cache";
assertTrue(ill.getDiagnosis().indexOf(s) != -1);
}
void addToPlaylist(List<File> files, Playlist p) {
if (interfaceDisabled) return;
new Thread(
() -> {
setInterfaceDisabled(true);
int total = files.size();
AtomicInteger current = new AtomicInteger(0);
Cache.pushToPlaylist(
files,
p,
(Track t) -> {
Platform.runLater(
() -> {
infoLabel.setText(
String.format(
res.getString("processed"),
current.incrementAndGet(),
total,
t.getTitle()));
if (p == getSelectedPlaylist()) {
tracksView.getItems().remove(t);
tracksView.getItems().add(0, t);
}
});
});
setInterfaceDisabled(false);
})
.start();
if (p == getSelectedPlaylist()) {
Platform.runLater(
() -> {
loadSelectedPlaylist();
});
}
}
void renameTrack() {
if (interfaceDisabled) return;
Playlist p = getSelectedPlaylist();
if (p == null) return;
Track t = getSelectedTrack();
if (t == null) return;
TextInputDialog dialog = new TextInputDialog(t.getTitle());
dialog.setTitle(res.getString("rename_track"));
dialog.setHeaderText(res.getString("rename_track"));
dialog.setContentText(res.getString("enter_new_title"));
dialog.getDialogPane().getStylesheets().add("/styles/dialogs.css");
((Stage) dialog.getDialogPane().getScene().getWindow()).getIcons().addAll(logoImages);
Optional<String> result = dialog.showAndWait();
result.ifPresent(
title -> {
if (StringUtils.isEmpty(title)) {
return;
}
Cache.renameTrack(t, p, title);
Platform.runLater(
() -> {
loadSelectedPlaylist();
});
});
}
public static void runTest3() throws Exception {
boolean exceptionOccured = false;
try {
Context ctx = cache.getJNDIContext();
DataSource ds1 = null;
DataSource ds2 = null;
ds1 = (DataSource) ctx.lookup("java:/XAPooledDataSource");
ds2 = (DataSource) ctx.lookup("java:/SimpleDataSource");
ds2.getConnection();
UserTransaction utx = (UserTransaction) ctx.lookup("java:/UserTransaction");
utx.begin();
utx.setTransactionTimeout(2);
ds1.getConnection();
Thread.sleep(4000);
try {
utx.commit();
} catch (Exception e) {
exceptionOccured = true;
}
if (!exceptionOccured)
fail("Exception (Transaction-Time-Out)did not occur although was supposed" + "to occur");
} catch (Exception e) {
fail("failed in runTest3 due to " + e);
}
}
@Test
public void shouldCheckRepoExistenceBeforeTryingPurge()
throws IOException, IllegalAccessException {
factory.createSuiteTimeRepo("foo", LATEST_VERSION);
Cache<EntryRepo> repos = (Cache<EntryRepo>) deref("cache", factory);
List<String> keys = repos.keys();
assertThat(keys.size(), is(1));
String fooKey = keys.get(0);
repos.clear();
try {
factory.purge(fooKey);
} catch (IOException e) {
e.printStackTrace();
fail("Should not fail when trying to purge already purged entry");
}
}
public static void runTest1() throws Exception {
boolean exceptionOccured = false;
try {
Context ctx = cache.getJNDIContext();
DataSource ds1 = null;
DataSource ds2 = null;
ds1 = (DataSource) ctx.lookup("java:/XAPooledDataSource");
ds2 = (DataSource) ctx.lookup("java:/SimpleDataSource");
ds2.getConnection();
ds1 = (DataSource) ctx.lookup("java:/XAPooledDataSource");
UserTransaction utx = (UserTransaction) ctx.lookup("java:/UserTransaction");
utx.begin();
ds1.getConnection();
Thread.sleep(8000);
try {
utx.commit();
} catch (Exception e) {
exceptionOccured = true;
}
if (!exceptionOccured)
fail("Exception did not occur on commit although was supposed" + "occur");
} catch (Exception e) {
getLogWriter().fine("Exception caught in runTest1 due to : " + e);
fail("failed in runTest1 due to " + e);
}
}
protected Listener getListener(Container.Entry entry) {
URI key = entry.getUri();
if (cache.containsKey(key)) {
return cache.get(key);
} else {
Listener listener;
try (InputStream inputStream = entry.getInputStream()) {
ANTLRJavaParser.parse(new ANTLRInputStream(inputStream), listener = new Listener(entry));
} catch (IOException ignore) {
listener = null;
}
cache.put(key, listener);
return listener;
}
}
public static void startCache() {
try {
if (cache == null || cache.isClosed()) {
cache = CacheFactory.create(ds);
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Gets the exact match registered object. Different from {@link #getRegisteredObject(Class,
* Object)} which will try different context and super classes and interfaces to find match. This
* method will do an exact match.
*
* @param clazz the class which is used as the primary key.
* @param context the context which is used as the secondary key. This parameter could be null in
* which case the default context is used.
* @return registered object the object associated with the class and the context.
*/
public T getMatchRegisteredObject(Class<?> clazz, K context) {
if (clazz == null) {
return null;
}
if (context == null) {
context = _defaultContext;
}
Cache<K, T> cache = getCache(clazz);
if (cache != null) {
T object = cache.getObject(context);
if (object != null) {
return object;
}
}
return null;
}
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);
}
}
/**
* Populate cache with {@code 'facts'}, which in our case are {@link FactPurchase} objects.
*
* @param factCache Cache to populate.
* @throws IgniteException If failed.
*/
private static void populateFacts(Cache<Integer, FactPurchase> factCache) throws IgniteException {
for (int i = 0; i < 100; i++) {
int id = idGen++;
DimStore store = rand(dataStore.values());
DimProduct prod = rand(dataProduct.values());
factCache.put(id, new FactPurchase(id, prod.getId(), store.getId(), (i + 1)));
}
}
void addToPlaylist(Track t, Playlist p) {
if (interfaceDisabled) return;
Cache.pushToPlaylist(t, p);
if (p == getSelectedPlaylist()) {
Platform.runLater(
() -> {
loadSelectedPlaylist();
});
}
}
public JsonObject getSocialObject(String targetId, String tenant, SortOrder order) {
List<Activity> activities = listActivitiesChronologically(targetId, tenant);
ActivitySummarizer summarizer = new ActivitySummarizer(targetId, order);
for (Activity activity : activities) {
summarizer.add(activity);
}
JsonObject summarize = summarizer.summarize();
cache.put(targetId, tenant, summarize);
return summarize;
}
Cache getCache() throws SQLException {
if (cCache == null) {
cCache = new Cache(sFileCache, this.dDatabase);
cCache.open(bReadOnly);
}
return (cCache);
}
/**
* Method declaration
*
* @param compact
* @throws SQLException
*/
void close(boolean compact) throws SQLException {
if (Trace.TRACE) {
Trace.trace();
}
if (bReadOnly) {
return;
}
// no more scripting
closeScript();
// create '.script.new' (for this the cache may be still required)
writeScript(compact);
// flush the cache (important: after writing the script)
if (cCache != null) {
cCache.flush();
}
closeAllTextCaches(compact);
// create '.backup.new' using the '.data'
backup();
// we have the new files
pProperties.setProperty("modified", "yes-new-files");
pProperties.save();
// old files can be removed and new files renamed
renameNewToCurrent(sFileScript);
renameNewToCurrent(sFileBackup);
// now its done completely
pProperties.setProperty("modified", "no");
pProperties.setProperty("version", jdbcDriver.VERSION);
pProperties.setProperty("hsqldb.compatible_version", "1.7.0");
pProperties.save();
pProperties.close();
if (compact) {
// stop the runner thread of this process (just for security)
stop();
// delete the .data so then a new file is created
(new File(sFileCache)).delete();
(new File(sFileBackup)).delete();
// tony_lai@users 20020820
// The database re-open and close has been moved to
// Database#close(int closemode) for saving memory usage.
}
}
float[] get_Q(int i, int len)
{
float[][] data = new float[1][];
int start;
if((start = cache.get_data(i,data,len)) < len)
{
for(int j=start;j<len;j++)
data[0][j] = (float)kernel_function(i,j);
}
return data[0];
}
void deleteDeadFromOfflinePlaylist(Playlist p) {
if (interfaceDisabled) return;
infoLabel.setText(res.getString("deleting_dead_items"));
log.info("Deleting dead items from " + p.getTitle());
Integer deleted = Cache.deleteDead(p);
infoLabel.setText(String.format(res.getString("deleted_dead_items"), deleted));
log.info("Deleted dead items from " + p.getTitle() + ": " + deleted);
Platform.runLater(
() -> {
loadSelectedPlaylist();
});
}
/**
* Replaces an existing RelTrait in the set. Returns a different trait set; does not modify this
* trait set.
*
* @param index 0-based index into ordered RelTraitSet
* @param trait the new RelTrait
* @return the old RelTrait at the index
*/
public RelTraitSet replace(int index, RelTrait trait) {
assert traits[index].getTraitDef() == trait.getTraitDef()
: "RelTrait has different RelTraitDef than replacement";
RelTrait canonizedTrait = canonize(trait);
if (traits[index] == canonizedTrait) {
return this;
}
RelTrait[] newTraits = traits.clone();
newTraits[index] = canonizedTrait;
return cache.getOrAdd(new RelTraitSet(cache, newTraits));
}
void updatePlaylists() {
if (interfaceDisabled) return;
final ObservableList<Playlist> items = playlistsView.getItems();
items.clear();
items.addAll(Cache.playlists());
if (Settings.rememberedPlaylistId != null)
for (Playlist p : items) {
if (p.getId().equals(Settings.rememberedPlaylistId)) {
rememberedPlaylist = p;
break;
}
}
}
/**
* Populate cache with {@code 'dimensions'} which in our case are {@link DimStore} and {@link
* DimProduct} instances.
*
* @param dimCache Cache to populate.
* @throws IgniteException If failed.
*/
private static void populateDimensions(Cache<Integer, Object> dimCache) throws IgniteException {
DimStore store1 = new DimStore(idGen++, "Store1", "12345", "321 Chilly Dr, NY");
DimStore store2 = new DimStore(idGen++, "Store2", "54321", "123 Windy Dr, San Francisco");
// Populate stores.
dimCache.put(store1.getId(), store1);
dimCache.put(store2.getId(), store2);
dataStore.put(store1.getId(), store1);
dataStore.put(store2.getId(), store2);
// Populate products
for (int i = 0; i < 20; i++) {
int id = idGen++;
DimProduct product = new DimProduct(id, "Product" + i, i + 1, (i + 1) * 10);
dimCache.put(id, product);
dataProduct.put(id, product);
}
}
/**
* Returns this trait set with a given trait added or overridden. Does not modify this trait set.
*
* @param trait Trait
* @return Trait set with given trait
*/
public RelTraitSet plus(RelTrait trait) {
if (contains(trait)) {
return this;
}
int i = findIndex(trait.getTraitDef());
if (i >= 0) {
return replace(i, trait);
}
final RelTrait canonizedTrait = canonize(trait);
RelTrait[] newTraits = Arrays.copyOf(traits, traits.length + 1);
newTraits[newTraits.length - 1] = canonizedTrait;
return cache.getOrAdd(new RelTraitSet(cache, newTraits));
}
/*
* (non-Javadoc)
* @see org.mmbase.module.core.MMObjectBuilder#notify(org.mmbase.core.event.NodeEvent)
*/
@Override
public void notify(NodeEvent event) {
if (log.isDebugEnabled()) {
log.debug(
"Changed "
+ event.getMachine()
+ " "
+ event.getNodeNumber()
+ " "
+ event.getBuilderName()
+ " "
+ NodeEvent.newTypeToOldType(event.getType()));
}
if (tableName.equals(event.getBuilderName())) {
if (event.getType() == Event.TYPE_NEW) {
MMObjectNode typeRelNode = getNode(event.getNodeNumber());
if (typeRelNode != null) {
Set<MMObjectNode> newTypeRels = addCacheEntry(typeRelNode, true);
log.service("Added to typerelcache: " + newTypeRels);
} else {
log.warn("Could not found typerel node with number " + event.getNodeNumber());
}
} else {
// something else changed in a typerel node? reread the complete typeRelNodes Set
log.service(
"Received '" + event + "' which is about typrels. Now re-reading the entire cache");
readCache();
}
// also, clear all query-caches, because result may change by this. See MMB-348
for (Cache qc : CacheManager.getMap().values()) {
if (qc instanceof QueryResultCache) {
qc.clear();
}
}
}
super.notify(event);
}
