1 files changed, 58 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/artifact/repository/RepositoryCache.java b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/artifact/repository/RepositoryCache.java
new file mode 100644
index 00000000..bf79d698
--- /dev/null
+++ b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/artifact/repository/RepositoryCache.java
@@ -0,0 +1,58 @@
+package org.apache.maven.artifact.repository;
+
+/*
+ * 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.
+ */
+
+/**
+ * Caches auxiliary data used during repository access like already processed metadata. The data in the cache is meant
+ * for exclusive consumption by the repository system and is opaque to the cache implementation.
+ *
+ * @author Benjamin Bentmann
+ */
+@Deprecated
+//
+// Used by Tycho and will break users and force them to upgrade to Maven 3.1 so we should really leave
+// this here, possibly indefinitely.
+//
+public interface RepositoryCache
+{
+
+    /**
+     * Puts the specified data into the cache. <strong>Warning:</strong> The cache will directly save the provided
+     * reference. If the cached data is mutable, i.e. could be modified after being put into the cache, the caller is
+     * responsible for creating a copy of the original data and store the copy in the cache.
+     *
+     * @param request The repository request from which this cache was retrieved, must not be {@code null}.
+     * @param key The key to use associate the data with, must not be {@code null}.
+     * @param data The data to store in the cache, may be {@code null}.
+     */
+    void put( RepositoryRequest request, Object key, Object data );
+
+    /**
+     * Gets the specified data from the cache. <strong>Warning:</strong> The cache will directly return the saved
+     * reference. If the cached data is to be modified after its retrieval, the caller is responsible to create a copy
+     * of the returned data and use this instead of the cache record.
+     *
+     * @param request The repository request from which this cache was retrieved, must not be {@code null}.
+     * @param key The key to use for lookup of the data, must not be {@code null}.
+     * @return The requested data or {@code null} if none was present in the cache.
+     */
+    Object get( RepositoryRequest request, Object key );
+
+}