@Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; VersionImpl version = (VersionImpl) o; EqualsBuilder builder = new EqualsBuilder(); int length = Math.max(numbers.length, version.numbers.length); VirtualNumberIterator thisIterator = new VirtualNumberIterator(numbers, length); VirtualNumberIterator otherIterator = new VirtualNumberIterator(version.numbers, length); while (thisIterator.hasNext() && builder.isEquals()) { builder.append(thisIterator.next(), otherIterator.next()); } return builder.isEquals(); }
@Override public boolean less(Version otherVersion) { VersionImpl version = Assert.theSameClass(this, otherVersion, "otherVersion"); int length = Math.max(numbers.length, version.numbers.length); VirtualNumberIterator thisIterator = new VirtualNumberIterator(numbers, length); VirtualNumberIterator otherIterator = new VirtualNumberIterator(version.numbers, length); while (thisIterator.hasNext()) { int n = thisIterator.next(); int k = otherIterator.next(); if (n != k) { return n < k; } } // It looks like versions are equals return false; }