drools-eclipse/org.drools.eclipse/src/main/java/org/drools/eclipse/editors/rete/model/GraphicalVertex.java
public static String dumpConstraints(final Constraint[] constraints) {
        if ( constraints == null ) {
            return null;
        }
        final StringBuffer buffer = new StringBuffer();
        for ( int i = 0, length = constraints.length; i < length; i++ ) {
            buffer.append( constraints[i].toString() + "<br>" );
        }
        return buffer.toString();
    }
public static String dumpConstraints(final Constraint[] constraints) {
        if ( constraints == null ) {
            return null;
        }
        final StringBuffer buffer = new StringBuffer();
        for ( int i = 0, length = constraints.length; i < length; i++ ) {
            buffer.append( constraints[i].toString() + "<br>" );
        }
        return buffer.toString();
    }
Constructs constraints string

@param constraints array of constraints
@return html-formatted constraints representation