From 779512cf2ee1a59374a35e820f8a3618efdcedfd Mon Sep 17 00:00:00 2001
From: Ian Young <ian@iay.org.uk>
Date: Wed, 22 Apr 2020 11:56:44 +0100
Subject: [PATCH] Add cacheDuration of 6 hours to export preview aggregate

See ukf/ukf-meta#112.
---
 mdx/uk/README.md    | 13 +++++++++----
 mdx/uk/generate.xml |  1 +
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/mdx/uk/README.md b/mdx/uk/README.md
index d12e364b..5e2d2c7f 100644
--- a/mdx/uk/README.md
+++ b/mdx/uk/README.md
@@ -28,9 +28,10 @@ before being included in the `export` version consumed by interfederation partne
 
 ### Export Preview Aggregate vs. Export Aggregate
 
-Status (2017-12-05):
+Status (2020-04-22):
 
-* These aggregates are currently identical.
+* The `export-preview` aggregate includes a `cacheDuration` attribute with a
+  value of six hours.
 
 ## Production Maturity Pipeline
 
@@ -59,12 +60,16 @@ when it appeared in the fallback aggregate, which would be too late to take corr
 
 ### Test Aggregate vs. Production Aggregate
 
-Status (2017-12-05):
+Status (2020-04-22):
 
 * The `test` aggregate does not include the `<UKFederationMember>` label (`ukf-meta#34`).
 
 * The `test` aggregate does not include the entity-level copy of the scopes for an
-  identity provider (`ukf-meta#49`) 
+  identity provider (`ukf-meta#49`).
+
+* The `test` aggregate includes a `cacheDuration` attribute with a
+  value of six hours.
+
 
 ### `cds-all` Aggregate vs. Production Aggregate
 
diff --git a/mdx/uk/generate.xml b/mdx/uk/generate.xml
index c4981f37..55dd2482 100644
--- a/mdx/uk/generate.xml
+++ b/mdx/uk/generate.xml
@@ -854,6 +854,7 @@
                 <ref bean="assembleAggregate"/>
                 <ref bean="stripEntityScopes"/>
                 <ref bean="stripEmptyExtensions"/>
+                <bean parent="mda.SetCacheDurationStage" p:cacheDuration="PT6H"/>
                 <ref bean="uk_finaliseExport"/>
 
                 <bean id="uk_normaliseExportPreview" parent="mda.XSLTransformationStage"