1 files changed, 52 insertions, 0 deletions
diff --git a/sandbox/old/contrib/persistence/datasource/src/main/java/org/apache/tuscany/persistence/datasource/DataSourceProvider.java b/sandbox/old/contrib/persistence/datasource/src/main/java/org/apache/tuscany/persistence/datasource/DataSourceProvider.java
new file mode 100644
index 0000000000..d29089be6d
--- /dev/null
+++ b/sandbox/old/contrib/persistence/datasource/src/main/java/org/apache/tuscany/persistence/datasource/DataSourceProvider.java
@@ -0,0 +1,52 @@
+/*
+ * 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.tuscany.persistence.datasource;
+
+import javax.sql.DataSource;
+
+/**
+ * DataSource providers may optionally implement this interface to receive callback notifications
+ *
+ * @version $Rev$ $Date$
+ */
+public interface DataSourceProvider {
+
+    /**
+     * Signals to the provider to initialize after all parameters have been set
+     *
+     * @throws ProviderException if an exception occurs during initialization
+     */
+    void init() throws ProviderException;
+
+    /**
+     * Signals to the provider to close any open resources and prepare for shutdown
+     *
+     * @throws ProviderException if an exception occurs during shutdown
+     */
+    void close() throws ProviderException;
+
+    /**
+     * Returns a new <code>DataSource</code> instance that will be bound into a composite system service tree. Called
+     * after initialize.
+     *
+     * @throws ProviderException if an error occurs creating a new instance
+     */
+    DataSource getDataSource() throws ProviderException;
+
+}