Refactor Argeo API

[gpl/argeo-slc.git] / org.argeo.api.slc / src / org / argeo / api / slc / execution / ExecutionStack.java

diff --git a/org.argeo.api.slc/src/org/argeo/api/slc/execution/ExecutionStack.java b/org.argeo.api.slc/src/org/argeo/api/slc/execution/ExecutionStack.java
new file mode 100644 (file)
index 0000000..468a04a
--- /dev/null
+++ b/org.argeo.api.slc/src/org/argeo/api/slc/execution/ExecutionStack.java
@@ -0,0 +1,23 @@
+package org.argeo.api.slc.execution;
+
+/** Deal with nested level of executions using different variables. */
+public interface ExecutionStack {
+       /**
+        * @param name
+        * @return null if no object is found
+        */
+       public Object findScopedObject(String name);
+
+       public void addScopedObject(String name, Object obj);
+
+       public void enterFlow(ExecutionFlow executionFlow);
+
+       /** @return internal stack level UUID. */
+       public String getCurrentStackLevelUuid();
+
+       public Integer getStackSize();
+
+       public void leaveFlow(ExecutionFlow executionFlow);
+
+       Object findLocalVariable(String key);
+}