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, 13 insertions, 1 deletions

diff --git a/common/src/main/java/org/onap/so/client/RestClient.java b/common/src/main/java/org/onap/so/client/RestClient.java
index 9fce328b1d..be0a0f3f9e 100644
--- a/common/src/main/java/org/onap/so/client/RestClient.java
+++ b/common/src/main/java/org/onap/so/client/RestClient.java
@@ -188,8 +188,20 @@ public abstract class RestClient {
         return APPLICATION_MERGE_PATCH_JSON;
     }
 
+    protected ClientBuilder getClientBuilder() {
+        ClientBuilder builder = ClientBuilder.newBuilder();
+        if (props.isCachingEnabled()) {
+            enableCaching(builder);
+        }
+        return builder.readTimeout(props.getReadTimeout(), TimeUnit.MILLISECONDS);
+    }
+
+    protected ClientBuilder enableCaching(ClientBuilder builder) {
+        return builder;
+    }
+
     protected Client getClient() {
-        return ClientBuilder.newBuilder().readTimeout(props.getReadTimeout(), TimeUnit.MILLISECONDS).build();
+        return getClientBuilder().build();
     }
 
     protected abstract ONAPComponentsList getTargetEntity();