protected Iterator createIterator()

in core/src/main/java/org/apache/commons/functor/range/DoubleRange.java [152:187]

• 30 lines of code
• 4 McCabe index (conditional complexity)

    protected Iterator<Double> createIterator() {
        return new Iterator<Double>() {
            private double currentValue;

            {
                currentValue = leftEndpoint.getValue();

                if (leftEndpoint.getBoundType() == BoundType.OPEN) {
                    this.currentValue += step;
                }
            }

            public void remove() {
                throw new UnsupportedOperationException();
            }

            public Double next() {
                final double step = getStep();
                final double r = currentValue;
                currentValue += step;
                return Double.valueOf(r);
            }

            public boolean hasNext() {
                final int cmp = Double.compare(currentValue, rightEndpoint.getValue());

                if (cmp == 0) {
                    return rightEndpoint.getBoundType() == BoundType.CLOSED;
                }
                if (step > 0d) {
                    return cmp < 0;
                }
                return cmp > 0;
            }
        };
    }