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

1 files changed, 53 insertions, 0 deletions

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());
+        }
+    }
+
+}