public Map < String , Object > createContext ( final Map < String , Object > parent , Map < String , Object > current ) { return new DelegateMap < String , Object > ( parent , current ) { private static final long serialVersionUID = 1L ; @ Override public Object get ( Object key ) { Object value = super . get ( key ) ; if ( value == null && parent == null && resolver != null ) { return resolver . get ( ( String ) key ) ; } return value ; } } ; }
Create context map .