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diff --git a/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/tasks/If.java b/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/tasks/If.java
new file mode 100644
index 000000000..e8ec936e2
--- /dev/null
+++ b/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/tasks/If.java
@@ -0,0 +1,37 @@
+package org.argeo.slc.core.execution.tasks;
+
+import org.argeo.slc.SlcException;
+
+/** Conditional execution */
+public class If implements Runnable {
+	private Boolean bool;
+	private Runnable then;
+	private Runnable els;
+
+	public void run() {
+		if (bool == null)
+			throw new SlcException("No condition set");
+
+		if (bool) {
+			if (then != null)
+				then.run();
+		} else {
+			if (els != null)
+				els.run();
+		}
+
+	}
+
+	public void setBool(Boolean bool) {
+		this.bool = bool;
+	}
+
+	public void setThen(Runnable then) {
+		this.then = then;
+	}
+
+	public void setEls(Runnable els) {
+		this.els = els;
+	}
+
+}