protected static LabelCompositionStrategy buildLabelCompositionStrategy(Cascade c, boolean defaultAnnotate){
/*
* If the cascade includes a TagKeyReference we will lookup the rendered label
* from a tag value.
*/
TagKeyReference tkr = c.get(TEXT, null, TagKeyReference.class, true);
if (tkr != null)
return new TagLookupCompositionStrategy(tkr.key);
/*
* Check whether the label composition strategy is given by a keyword