Moved Battery Interface where it belongs (to the interfaces!)

src/de/tud/kom/p2psim/impl/energy/Battery.java → src/de/tud/kom/p2psim/api/energy/Battery.java

@@ -18,7 +18,9 @@
  *
  */
 
-package de.tud.kom.p2psim.impl.energy;
+package de.tud.kom.p2psim.api.energy;
+
+import java.nio.channels.UnsupportedAddressTypeException;
 
 /**
  * This interface implements basic methods used by the EnergyModel to simulate a
@@ -60,7 +62,9 @@ public interface Battery extends Cloneable {
 	/**
 	 * Resets the Battery to the initial Energy-Level
 	 */
-	public void reset();
+	default public void reset() {
+		throw new UnsupportedOperationException();
+	}
 
 	/**
 	 * Sets the battery to a given percentage.
@@ -92,4 +96,11 @@ public interface Battery extends Cloneable {
 	 * @return
 	 */
 	public Battery clone();
+	
+	/**
+	 * Returns true, if the battery is fully charged. 
+	 * 
+	 * @return
+	 */
+	public boolean isFullyCharged();
 }