Ignore files

[gpl/argeo-slc.git] / runtime / org.argeo.slc.core / src / main / java / org / argeo / slc / core / execution / DefaultExecutionFlow.java

diff --git a/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/DefaultExecutionFlow.java b/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/DefaultExecutionFlow.java
index 1f4601c840b361773510505362c8392647b456a7..535c42dad7224fdded4a561e864ec801f768d67f 100644 (file)
--- a/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/DefaultExecutionFlow.java
+++ b/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/DefaultExecutionFlow.java
@@ -17,6 +17,7 @@ package org.argeo.slc.core.execution;
 
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 
@@ -132,6 +133,26 @@ public class DefaultExecutionFlow implements ExecutionFlow, InitializingBean,
                }
        }
 
+       /**
+        * List sub-runnables that would be executed if run() method would be
+        * called.
+        */
+       public Iterator<Runnable> runnables() {
+               return executables.iterator();
+       }
+
+       /**
+        * If there is one and only one runnable wrapped return it, throw an
+        * exeception otherwise.
+        */
+       public Runnable getRunnable() {
+               if (executables.size() == 1)
+                       return executables.get(0);
+               else
+                       throw new SlcException("There are " + executables.size()
+                                       + " runnables in flow " + getName());
+       }
+
        public void doExecuteRunnable(Runnable runnable) {
                runnable.run();
        }