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https://issues.apache.org/jira/browse/JENA-626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14962352#comment-14962352
]
ASF GitHub Bot commented on JENA-626:
-------------------------------------
Github user ajs6f commented on a diff in the pull request:
https://github.com/apache/jena/pull/95#discussion_r42320616
--- Diff:
jena-fuseki2/jena-fuseki-core/src/main/java/org/apache/jena/fuseki/cache/CacheStore.java
---
@@ -0,0 +1,150 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package org.apache.jena.fuseki.cache;
+
+import org.apache.jena.fuseki.Fuseki;
+import org.apache.jena.fuseki.servlets.ActionLib;
+import org.apache.jena.fuseki.servlets.HttpAction;
+import org.slf4j.Logger;
+
+import javax.servlet.http.HttpServletRequest;
+
+public class CacheStore {
+
+
+ /** flag to check if data store was initialized */
+ public static boolean initialized = false ;
+
+ private static Logger log = Fuseki.cacheLog ;
+
+ /** execution timeout for any method */
+ private int defaultExecutionTimeout = 500 ;
+
+ /** thread pool size for this data store */
+ protected int defaultThreadPoolSize = 500 ;
+
+ /** client for interacting with Cache store **/
+ private final CacheClient client = new GuavaCacheClient();
+
+ private static CacheStore instance;
+
+ public static CacheStore getInstance(){
+
+ if(instance==null){
+ instance = new CacheStore();
+ return instance;
+ }
+ return instance;
+ }
+
+ /** For testing - reset the places which initialize once */
+ public synchronized static void reset() {
+ initialized = false ;
+ CacheStore.initialized = false ;
+ }
+
+ public synchronized static void init(){
--- End diff --
This method doesn't seem to actually initialize anything...
> SPARQL Query Caching
> --------------------
>
> Key: JENA-626
> URL: https://issues.apache.org/jira/browse/JENA-626
> Project: Apache Jena
> Issue Type: Improvement
> Reporter: Andy Seaborne
> Labels: java, linked_data, rdf, sparql
>
> Add a caching layer to Fuseki to cache the results of SPARQL Query requests.
> This cache should allow for in-memory and disk-based caching, configuration
> and cache management, and coordination with data modification.
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