X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=org.argeo.slc.repo%2Fsrc%2Forg%2Feclipse%2Faether%2FDefaultRepositoryCache.java;fp=org.argeo.slc.repo%2Fsrc%2Forg%2Feclipse%2Faether%2FDefaultRepositoryCache.java;h=12d278921da87e9854052d7f4e43c91c41a0038b;hb=825d60c5348dbe3f5be25b0bccf7bdebfe694219;hp=0000000000000000000000000000000000000000;hpb=5e991fff5cba01858dcc5747a27e637325bc5c8e;p=gpl%2Fargeo-jcr.git

diff --git a/org.argeo.slc.repo/src/org/eclipse/aether/DefaultRepositoryCache.java b/org.argeo.slc.repo/src/org/eclipse/aether/DefaultRepositoryCache.java
new file mode 100644
index 0000000..12d2789
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+++ b/org.argeo.slc.repo/src/org/eclipse/aether/DefaultRepositoryCache.java
@@ -0,0 +1,43 @@
+/*******************************************************************************
+ * Copyright (c) 2010, 2014 Sonatype, Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Sonatype, Inc. - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.aether;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+/**
+ * A simplistic repository cache backed by a thread-safe map. The simplistic nature of this cache makes it only suitable
+ * for use with short-lived repository system sessions where pruning of cache data is not required.
+ */
+public final class DefaultRepositoryCache
+    implements RepositoryCache
+{
+
+    private final Map<Object, Object> cache = new ConcurrentHashMap<Object, Object>( 256 );
+
+    public Object get( RepositorySystemSession session, Object key )
+    {
+        return cache.get( key );
+    }
+
+    public void put( RepositorySystemSession session, Object key, Object data )
+    {
+        if ( data != null )
+        {
+            cache.put( key, data );
+        }
+        else
+        {
+            cache.remove( key );
+        }
+    }
+
+}