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authorBenjamin, Max <max.benjamin@att.com>2020-11-19 18:12:50 -0500
committerBenjamin, Max (mb388a) <mb388a@att.com>2020-11-19 18:12:51 -0500
commita16231657fe29334a589c98290ac8b6b2710a144 (patch)
tree475dc51d396789aff10d5a63143350a4b8a2d762 /graph-inventory/aai-client/src/main
parentb029a27f327851e73ceff94595cbb1e099da8998 (diff)
add caching to graph inventory client
add caching to graph inventory client updated properties files to read cache properties Issue-ID: SO-3398 Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com> Change-Id: Ib3e67ae014b6668c9b004aae1e8b5d49b9ce6b06
Diffstat (limited to 'graph-inventory/aai-client/src/main')
-rw-r--r--graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/CacheControlFeature.java137
-rw-r--r--graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/CacheLogger.java53
-rw-r--r--graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/FlushCache.java41
-rw-r--r--graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/aai/AAIProperties.java12
-rw-r--r--graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/graphinventory/GraphInventoryRestClient.java20
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();