--- /dev/null
+/*\r
+ * Copyright (C) 2007-2012 Argeo GmbH\r
+ *\r
+ * Licensed under the Apache License, Version 2.0 (the "License");\r
+ * you may not use this file except in compliance with the License.\r
+ * You may obtain a copy of the License at\r
+ *\r
+ * http://www.apache.org/licenses/LICENSE-2.0\r
+ *\r
+ * Unless required by applicable law or agreed to in writing, software\r
+ * distributed under the License is distributed on an "AS IS" BASIS,\r
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ * See the License for the specific language governing permissions and\r
+ * limitations under the License.\r
+ */\r
+package org.argeo.slc.core.execution.generator;\r
+\r
+import java.util.List;\r
+\r
+/**\r
+ * Provides 2 types of information required by an <code>ExecutionFlowGenerator</code>: \r
+ * a list of <code>RunnableCallFlowDescriptor</code> used to create <code>RunnableCallFlow</code>\r
+ * and a list of <code>RunnableDataNode</code> used to create any kind of flow via a factory.\r
+ */\r
+public interface ExecutionFlowGeneratorSource {\r
+ \r
+ /**\r
+ * @return a list of <code>RunnableCallFlowDescriptor</code> used \r
+ * by a <code>ExecutionFlowGenerator</code> to create <code>RunnableCallFlow</code>\r
+ */\r
+ public List<RunnableCallFlowDescriptor> getRunnableCallFlowDescriptors();\r
+ \r
+ /**\r
+ * @return a list of <code>RunnableDataNode</code> used \r
+ * by a <code>ExecutionFlowGenerator</code> to create any kind of flow via a factory\r
+ */\r
+ public List<RunnableDataNode> getRunnableDataNodes();\r
+ \r
+}\r