Adds a Checkstyle validation to ensure that the Guava cache is not us…

…ed. (#3631) Signed-off-by: David Venable <[email protected]>
opensearch-project · Nov 29, 2023 · b1bd3fc · b1bd3fc
1 parent 63b7fc6
commit b1bd3fc
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diff --git a/config/checkstyle/checkstyle.xml b/config/checkstyle/checkstyle.xml
@@ -64,5 +64,9 @@
         -->
         <module name="ModifierOrder" />
 
+        <module name="ImportControl">
+            <property name="file" value="${config_loc}/import-control.xml"/>
+        </module>
+
     </module>
 </module>
diff --git a/config/checkstyle/import-control.xml b/config/checkstyle/import-control.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0"?>
+<!--
+  ~ Copyright OpenSearch Contributors
+  ~ SPDX-License-Identifier: Apache-2.0
+  -->
+
+<!DOCTYPE import-control PUBLIC
+        "-//Checkstyle//DTD ImportControl Configuration 1.4//EN"
+        "https://checkstyle.org/dtds/import_control_1_4.dtd">
+
+<import-control pkg="org.opensearch.dataprepper" strategyOnMismatch="allowed">
+    <!-- Prefer Caffeine -->
+    <disallow pkg="com.google.common.cache"/>
+</import-control>