Add a partitioner component, which combined with a selector component can be used to implement data partitioning, sharding, or data access load balancing for example.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1231822 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 21 insertions, 0 deletions

diff --git a/sca-cpp/trunk/components/cache/select-test.scm b/sca-cpp/trunk/components/cache/select-test.scm
new file mode 100644
index 0000000000..9baa82a5da
--- /dev/null
+++ b/sca-cpp/trunk/components/cache/select-test.scm
@@ -0,0 +1,21 @@
+;  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.
+
+; Partition selector test case
+
+(define (get key partitions) (if (= (car key) "a") (car partitions) (cadr partitions)))
+