diff options
Diffstat (limited to 'graph-inventory/aai-client/src/main/java/org')
5 files changed, 263 insertions, 0 deletions
diff --git a/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/CacheControlFeature.java b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/CacheControlFeature.java new file mode 100644 index 0000000000..1e7c3e7f71 --- /dev/null +++ b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/CacheControlFeature.java @@ -0,0 +1,137 @@ +package org.onap.aaiclient.client; + +import java.io.Closeable; +import java.net.URI; +import java.net.URISyntaxException; +import java.util.Arrays; +import java.util.Map; +import java.util.Properties; +import javax.annotation.PreDestroy; +import javax.cache.Cache; +import javax.cache.CacheManager; +import javax.cache.Caching; +import javax.cache.configuration.Factory; +import javax.cache.configuration.FactoryBuilder; +import javax.cache.configuration.MutableCacheEntryListenerConfiguration; +import javax.cache.configuration.MutableConfiguration; +import javax.cache.expiry.ExpiryPolicy; +import javax.cache.integration.CacheLoader; +import javax.cache.integration.CacheWriter; +import javax.cache.spi.CachingProvider; +import javax.ws.rs.core.Feature; +import javax.ws.rs.core.FeatureContext; +import javax.ws.rs.ext.Provider; +import org.apache.cxf.jaxrs.client.cache.CacheControlClientReaderInterceptor; +import org.apache.cxf.jaxrs.client.cache.CacheControlClientRequestFilter; +import org.apache.cxf.jaxrs.client.cache.Entry; +import org.apache.cxf.jaxrs.client.cache.Key; + + +@Provider +public class CacheControlFeature implements Feature, Closeable { + private CachingProvider provider; + private CacheManager manager; + private Cache<Key, Entry> cache; + private boolean cacheResponseInputStream; + private Factory<ExpiryPolicy> expiryPolicy; + + @Override + public boolean configure(final FeatureContext context) { + // TODO: read context properties to exclude some patterns? + final Cache<Key, Entry> entryCache = createCache(context.getConfiguration().getProperties()); + context.register(new CacheControlClientRequestFilter(entryCache)); + CacheControlClientReaderInterceptor reader = new CacheControlClientReaderInterceptor(entryCache); + reader.setCacheResponseInputStream(cacheResponseInputStream); + context.register(reader); + return true; + } + + @PreDestroy // TODO: check it is called + public void close() { + for (final Closeable c : Arrays.asList(cache, manager, provider)) { + try { + if (c != null) { + c.close(); + } + } catch (final Exception e) { + // no-op + } + } + } + + private Cache<Key, Entry> createCache(final Map<String, Object> properties) { + final Properties props = new Properties(); + props.putAll(properties); + + final String prefix = this.getClass().getName() + "."; + final String uri = props.getProperty(prefix + "config-uri"); + final String name = props.getProperty(prefix + "name", this.getClass().getName()); + + final ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader(); + + provider = Caching.getCachingProvider(); + try { + synchronized (contextClassLoader) { + manager = provider.getCacheManager(uri == null ? provider.getDefaultURI() : new URI(uri), + contextClassLoader, props); + if (manager.getCache(name) == null) { + final MutableConfiguration<Key, Entry> configuration = new MutableConfiguration<Key, Entry>() + .setReadThrough("true".equalsIgnoreCase(props.getProperty(prefix + "readThrough", "false"))) + .setWriteThrough( + "true".equalsIgnoreCase(props.getProperty(prefix + "writeThrough", "false"))) + .setManagementEnabled( + "true".equalsIgnoreCase(props.getProperty(prefix + "managementEnabled", "false"))) + .setStatisticsEnabled( + "true".equalsIgnoreCase(props.getProperty(prefix + "statisticsEnabled", "false"))) + .setStoreByValue( + "true".equalsIgnoreCase(props.getProperty(prefix + "storeByValue", "false"))); + + final String loader = props.getProperty(prefix + "loaderFactory"); + if (loader != null) { + @SuppressWarnings("unchecked") + Factory<? extends CacheLoader<Key, Entry>> f = + newInstance(contextClassLoader, loader, Factory.class); + configuration.setCacheLoaderFactory(f); + } + final String writer = props.getProperty(prefix + "writerFactory"); + if (writer != null) { + @SuppressWarnings("unchecked") + Factory<? extends CacheWriter<Key, Entry>> f = + newInstance(contextClassLoader, writer, Factory.class); + configuration.setCacheWriterFactory(f); + } + if (expiryPolicy != null) { + + configuration.setExpiryPolicyFactory(expiryPolicy); + } + configuration.addCacheEntryListenerConfiguration(new MutableCacheEntryListenerConfiguration( + FactoryBuilder.factoryOf(new CacheLogger()), null, true, true)); + + cache = manager.createCache(name, configuration); + } else { + cache = manager.getCache(name); + } + return cache; + } + } catch (final URISyntaxException e) { + throw new IllegalArgumentException(e); + } + } + + @SuppressWarnings("unchecked") + private static <T> T newInstance(final ClassLoader contextClassLoader, final String clazz, final Class<T> cast) { + try { + return (T) contextClassLoader.loadClass(clazz).newInstance(); + } catch (final Exception e) { + throw new IllegalArgumentException(e); + } + } + + public void setCacheResponseInputStream(boolean cacheStream) { + this.cacheResponseInputStream = cacheStream; + } + + public void setExpiryPolicyFactory(Factory<ExpiryPolicy> f) { + this.expiryPolicy = f; + } +} diff --git a/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/CacheLogger.java b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/CacheLogger.java new file mode 100644 index 0000000000..f3dc610125 --- /dev/null +++ b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/CacheLogger.java @@ -0,0 +1,53 @@ +package org.onap.aaiclient.client; + +import java.io.Serializable; +import javax.cache.event.CacheEntryCreatedListener; +import javax.cache.event.CacheEntryEvent; +import javax.cache.event.CacheEntryExpiredListener; +import javax.cache.event.CacheEntryListenerException; +import javax.cache.event.CacheEntryRemovedListener; +import javax.cache.event.CacheEntryUpdatedListener; +import org.apache.cxf.jaxrs.client.cache.Entry; +import org.apache.cxf.jaxrs.client.cache.Key; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class CacheLogger implements CacheEntryExpiredListener<Key, Entry>, CacheEntryCreatedListener<Key, Entry>, + CacheEntryUpdatedListener<Key, Entry>, CacheEntryRemovedListener<Key, Entry>, Serializable { + + private static final long serialVersionUID = 1L; + private static final Logger logger = LoggerFactory.getLogger(CacheLogger.class); + + @Override + public void onExpired(Iterable<CacheEntryEvent<? extends Key, ? extends Entry>> events) + throws CacheEntryListenerException { + for (CacheEntryEvent<? extends Key, ? extends Entry> event : events) { + logger.debug("{} expired key: {}", event.getSource().getName(), event.getKey().getUri()); + } + } + + @Override + public void onRemoved(Iterable<CacheEntryEvent<? extends Key, ? extends Entry>> events) + throws CacheEntryListenerException { + for (CacheEntryEvent<? extends Key, ? extends Entry> event : events) { + logger.debug("{} removed key: {}", event.getSource().getName(), event.getKey().getUri()); + } + } + + @Override + public void onUpdated(Iterable<CacheEntryEvent<? extends Key, ? extends Entry>> events) + throws CacheEntryListenerException { + for (CacheEntryEvent<? extends Key, ? extends Entry> event : events) { + logger.debug("{} updated key: {}", event.getSource().getName(), event.getKey().getUri()); + } + } + + @Override + public void onCreated(Iterable<CacheEntryEvent<? extends Key, ? extends Entry>> events) + throws CacheEntryListenerException { + for (CacheEntryEvent<? extends Key, ? extends Entry> event : events) { + logger.debug("{} created key: {}", event.getSource().getName(), event.getKey().getUri()); + } + } + +} diff --git a/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/FlushCache.java b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/FlushCache.java new file mode 100644 index 0000000000..0f290ff620 --- /dev/null +++ b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/FlushCache.java @@ -0,0 +1,41 @@ +package org.onap.aaiclient.client; + +import java.io.IOException; +import java.util.Arrays; +import java.util.HashSet; +import java.util.Set; +import javax.cache.CacheManager; +import javax.cache.Caching; +import javax.ws.rs.HttpMethod; +import javax.ws.rs.client.ClientRequestContext; +import javax.ws.rs.client.ClientResponseContext; +import javax.ws.rs.client.ClientResponseFilter; +import org.apache.cxf.jaxrs.client.cache.Key; +import org.onap.so.client.CacheProperties; + +public class FlushCache implements ClientResponseFilter { + + private static final Set<String> modifyMethods = + new HashSet<>(Arrays.asList(HttpMethod.DELETE, HttpMethod.PATCH, HttpMethod.PUT, HttpMethod.POST)); + + private final CacheProperties props; + + public FlushCache(CacheProperties props) { + this.props = props; + } + + @Override + public void filter(ClientRequestContext requestContext, ClientResponseContext responseContext) throws IOException { + + if (responseContext.getStatus() >= 200 && responseContext.getStatus() <= 299) { + if (FlushCache.modifyMethods.contains(requestContext.getMethod())) { + + CacheManager cacheManager = Caching.getCachingProvider().getCacheManager( + Caching.getCachingProvider().getDefaultURI(), Thread.currentThread().getContextClassLoader()); + cacheManager.getCache(props.getCacheName()).remove( + new Key(requestContext.getUri(), requestContext.getAcceptableMediaTypes().get(0).toString())); + } + } + } + +} diff --git a/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/aai/AAIProperties.java b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/aai/AAIProperties.java index ac8a6e6e52..9c7798f4c5 100644 --- a/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/aai/AAIProperties.java +++ b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/aai/AAIProperties.java @@ -20,6 +20,7 @@ package org.onap.aaiclient.client.aai; +import org.onap.so.client.CacheProperties; import org.onap.so.client.RestProperties; public interface AAIProperties extends RestProperties { @@ -34,4 +35,15 @@ public interface AAIProperties extends RestProperties { public default boolean mapNotFoundToEmpty() { return true; } + + default CacheProperties getCacheProperties() { + return new AAICacheProperties() {}; + } + + public interface AAICacheProperties extends CacheProperties { + + default String getCacheName() { + return "aai-http-cache"; + } + } } diff --git a/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/graphinventory/GraphInventoryRestClient.java b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/graphinventory/GraphInventoryRestClient.java index c2422085aa..c22f2f5f8e 100644 --- a/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/graphinventory/GraphInventoryRestClient.java +++ b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/graphinventory/GraphInventoryRestClient.java @@ -23,8 +23,13 @@ package org.onap.aaiclient.client.graphinventory; import java.net.URI; import java.util.Map; import java.util.Optional; +import javax.ws.rs.client.ClientBuilder; import javax.ws.rs.core.Response; +import org.onap.aaiclient.client.CacheControlFeature; +import org.onap.aaiclient.client.FlushCache; import org.onap.logging.filter.base.ONAPComponentsList; +import org.onap.so.client.AddCacheHeaders; +import org.onap.so.client.CacheFactory; import org.onap.so.client.ResponseExceptionMapper; import org.onap.so.client.RestClientSSL; import org.onap.so.client.RestProperties; @@ -41,6 +46,21 @@ public abstract class GraphInventoryRestClient extends RestClientSSL { super(props, Optional.of(uri)); } + + protected ClientBuilder enableCaching(ClientBuilder builder) { + builder.register(new AddCacheHeaders(props.getCacheProperties())); + builder.register(new FlushCache(props.getCacheProperties())); + CacheControlFeature cacheControlFeature = new CacheControlFeature(); + cacheControlFeature.setCacheResponseInputStream(true); + cacheControlFeature.setExpiryPolicyFactory(new CacheFactory(props.getCacheProperties())); + builder.property("org.onap.aaiclient.client.CacheControlFeature.name", + props.getCacheProperties().getCacheName()); + + builder.register(cacheControlFeature); + + return builder; + } + @Override public abstract ONAPComponentsList getTargetEntity(); |