X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=runtime%2Forg.argeo.slc.core%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Fslc%2Fcore%2Fexecution%2FDefaultExecutionFlow.java;h=535c42dad7224fdded4a561e864ec801f768d67f;hb=d1298659fe6f179d1cbbc8c89f108a0bbc5b4edf;hp=20c3c7c4a28ab312a268f7d4ac3dfe7401f31b3e;hpb=a0a151ee3a0aed29a3cb03d81e35d540ca9fdb03;p=gpl%2Fargeo-slc.git

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 20c3c7c4a..535c42dad 100644
--- 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
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2012 Mathieu Baudier
+ * Copyright (C) 2007-2012 Argeo GmbH
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -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();
 	}