public void remove ( T element ) { lock . writeLock ( ) . lock ( ) ; try { if ( outgoingEdges . remove ( element ) != null ) { for ( Set < T > values : outgoingEdges . values ( ) ) { values . remove ( element ) ; } } if ( incomingEdges . remove ( element ) != null ) { for ( Set < T > values : incomingEdges . values ( ) ) { values . remove ( element ) ; } } } finally { lock . writeLock ( ) . unlock ( ) ; } }
Remove element from the graph