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[Minor] Activity casts to returned object

This commit is contained in:
Robert von Burg 2017-05-04 15:48:26 +02:00
parent 49f8e2bec5
commit 4965af17b4
1 changed files with 6 additions and 4 deletions
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10
li.strolch.model/src/main/java/li/strolch/model/activity/Activity.java
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@ -148,7 +148,8 @@ public class Activity extends AbstractStrolchRootElement
* @param activityElement
* @return the element added
*/
public IActivityElement addElement(IActivityElement activityElement) {
@SuppressWarnings("unchecked")
public <T extends IActivityElement> T addElement(IActivityElement activityElement) {
DBC.PRE.assertNotEquals("Can't add element to itself!", this, activityElement);
DBC.PRE.assertNull("Parent can't already be set!", activityElement.getParent());
@ -163,7 +164,7 @@ public class Activity extends AbstractStrolchRootElement
"Activiy " + getLocator() + " already contains an activity element with id = " + id);
else {
activityElement.setParent(this);
return this.elements.put(activityElement.getId(), activityElement);
return (T) this.elements.put(activityElement.getId(), activityElement);
}
}
@ -175,11 +176,12 @@ public class Activity extends AbstractStrolchRootElement
*
* @return the removed element, or null if it does not exist
*/
public IActivityElement remove(String id) {
@SuppressWarnings("unchecked")
public <T extends IActivityElement> T remove(String id) {
IActivityElement element = this.elements.remove(id);
if (element != null)
element.setParent(null);
return element;
return (T) element;
}
/**