public void addChild(Entry entry) {
		childEntries.add(entry);
		entry.setParent(this);
	}
@Test 
	public void returnsNullIfAncestorComponentIsNotAvailable(){
		Entry structureWithEntry = new Entry();
		final Entry child = new Entry();
		structureWithEntry.addChild(child);
		
		assertThat(new EntryAccessor().getAncestorComponent(child), CoreMatchers.nullValue());
	}