| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.ignite.cache; |
| |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Properties; |
| import java.util.WeakHashMap; |
| import javax.cache.CacheException; |
| import javax.cache.configuration.OptionalFeature; |
| import org.apache.ignite.Ignite; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.internal.IgnitionEx; |
| import org.apache.ignite.internal.util.future.GridFutureAdapter; |
| import org.apache.ignite.internal.util.typedef.internal.CU; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Implementation of JSR-107 {@link javax.cache.spi.CachingProvider}. |
| */ |
| public class CachingProvider implements javax.cache.spi.CachingProvider { |
| /** */ |
| private static final URI DEFAULT_URI; |
| |
| /** |
| * |
| */ |
| static { |
| URI uri = null; |
| |
| try { |
| URL dfltCfgURL = U.resolveIgniteUrl(IgnitionEx.DFLT_CFG); |
| |
| if (dfltCfgURL != null) |
| uri = dfltCfgURL.toURI(); |
| } |
| catch (URISyntaxException ignored) { |
| // No-op. |
| } |
| |
| if (uri == null) |
| uri = URI.create("ignite://default"); |
| |
| DEFAULT_URI = uri; |
| } |
| |
| /** */ |
| public static final Properties DFLT_PROPS = new Properties(); |
| |
| /** */ |
| private final Map<ClassLoader, Map<URI, GridFutureAdapter<CacheManager>>> cacheManagers = new WeakHashMap<>(); |
| |
| /** {@inheritDoc} */ |
| @Override public javax.cache.CacheManager getCacheManager(@Nullable URI uri, ClassLoader clsLdr, Properties props) |
| throws CacheException { |
| if (uri == null) |
| uri = getDefaultURI(); |
| |
| if (clsLdr == null) |
| clsLdr = getDefaultClassLoader(); |
| |
| GridFutureAdapter<CacheManager> fut; |
| |
| boolean needStartMgr = false; |
| |
| Map<URI, GridFutureAdapter<CacheManager>> uriMap; |
| |
| synchronized (cacheManagers) { |
| uriMap = cacheManagers.get(clsLdr); |
| |
| if (uriMap == null) { |
| uriMap = new HashMap<>(); |
| |
| cacheManagers.put(clsLdr, uriMap); |
| } |
| |
| fut = uriMap.get(uri); |
| |
| if (fut == null) { |
| needStartMgr = true; |
| |
| fut = new GridFutureAdapter<>(); |
| |
| uriMap.put(uri, fut); |
| } |
| } |
| |
| if (needStartMgr) { |
| try { |
| CacheManager mgr = new CacheManager(uri, this, clsLdr, props); |
| |
| fut.onDone(mgr); |
| |
| return mgr; |
| } |
| catch (Throwable e) { |
| synchronized (cacheManagers) { |
| uriMap.remove(uri); |
| } |
| |
| fut.onDone(e); |
| |
| if (e instanceof Error) |
| throw (Error)e; |
| |
| throw CU.convertToCacheException(U.cast(e)); |
| } |
| } |
| else { |
| try { |
| return fut.get(); |
| } |
| catch (IgniteCheckedException e) { |
| throw CU.convertToCacheException(e); |
| } |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ClassLoader getDefaultClassLoader() { |
| return getClass().getClassLoader(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public URI getDefaultURI() { |
| return DEFAULT_URI; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Properties getDefaultProperties() { |
| return DFLT_PROPS; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public javax.cache.CacheManager getCacheManager(URI uri, ClassLoader clsLdr) { |
| return getCacheManager(uri, clsLdr, getDefaultProperties()); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public javax.cache.CacheManager getCacheManager() { |
| return getCacheManager(getDefaultURI(), getDefaultClassLoader()); |
| } |
| |
| /** |
| * @param ignite Ignite. |
| */ |
| public javax.cache.CacheManager findManager(Ignite ignite) { |
| synchronized (cacheManagers) { |
| for (Map<URI, GridFutureAdapter<CacheManager>> map : cacheManagers.values()) { |
| for (GridFutureAdapter<CacheManager> fut : map.values()) { |
| if (fut.isDone()) { |
| assert !fut.isFailed(); |
| |
| try { |
| CacheManager mgr = fut.get(); |
| |
| if (mgr.unwrap(Ignite.class) == ignite) |
| return mgr; |
| } |
| catch (IgniteCheckedException e) { |
| throw CU.convertToCacheException(e); |
| } |
| } |
| } |
| } |
| } |
| |
| return null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void close() { |
| Collection<GridFutureAdapter<CacheManager>> futs = new ArrayList<>(); |
| |
| synchronized (cacheManagers) { |
| for (Map<URI, GridFutureAdapter<CacheManager>> uriMap : cacheManagers.values()) |
| futs.addAll(uriMap.values()); |
| |
| cacheManagers.clear(); |
| } |
| |
| closeManagers(futs); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void close(ClassLoader clsLdr) { |
| Map<URI, GridFutureAdapter<CacheManager>> uriMap; |
| |
| synchronized (cacheManagers) { |
| uriMap = cacheManagers.remove(clsLdr); |
| } |
| |
| if (uriMap == null) |
| return; |
| |
| closeManagers(uriMap.values()); |
| } |
| |
| /** |
| * @param futs Futs. |
| */ |
| private void closeManagers(Collection<GridFutureAdapter<CacheManager>> futs) { |
| for (GridFutureAdapter<CacheManager> fut : futs) { |
| try { |
| CacheManager mgr = fut.get(); |
| |
| mgr.close(); |
| } |
| catch (Exception ignored) { |
| // No-op. |
| } |
| } |
| } |
| |
| /** |
| * @param mgr Manager. |
| */ |
| protected void removeClosedManager(CacheManager mgr) { |
| synchronized (cacheManagers) { |
| Map<URI, GridFutureAdapter<CacheManager>> uriMap = cacheManagers.get(mgr.getClassLoader()); |
| |
| GridFutureAdapter<CacheManager> fut = uriMap.get(mgr.getURI()); |
| |
| if (fut != null && fut.isDone() && !fut.isFailed()) { |
| try { |
| CacheManager cachedManager = fut.get(); |
| |
| if (cachedManager == mgr) |
| uriMap.remove(mgr.getURI()); |
| } |
| catch (IgniteCheckedException e) { |
| throw CU.convertToCacheException(e); |
| } |
| } |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void close(URI uri, ClassLoader clsLdr) { |
| GridFutureAdapter<CacheManager> fut; |
| |
| synchronized (cacheManagers) { |
| Map<URI, GridFutureAdapter<CacheManager>> uriMap = cacheManagers.get(clsLdr); |
| |
| if (uriMap == null) |
| return; |
| |
| fut = uriMap.remove(uri); |
| } |
| |
| if (fut != null) { |
| CacheManager mgr; |
| |
| try { |
| mgr = fut.get(); |
| } |
| catch (Exception ignored) { |
| return; |
| } |
| |
| mgr.close(); |
| } |
| |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean isSupported(OptionalFeature optionalFeature) { |
| return false; |
| } |
| } |