JAXB Configuration

[eti...@studer.nu]

Hi Lukas

Would it be possible for you to generate the JAXB classes (Configuration, Jdbc, Generator, etc.) with an equals and hash code implementation? Not sure if the JAXB code generators provide such an option. It would allow the gradle-jooq-plugin to determine if the Configuration has changed between two runs.

Etienne

[Lukas Eder]

Hi Etienne,

Thanks for your message.

Unfortunately, I'm not aware of any XJC plugins that implement equals() and hashCode() correctly without any external dependencies. But you can easily check for equality by serialising both Configuration objects to an XML string using 

boolean equal(Configuration c1, Configuration c2) {

  try {

    StringWriter w1 = new StringWriter();

    StringWriter w2 = new StringWriter();

    JAXB.marshal(c1, w1);

    JAXB.marshal(c2, w2);

    return w1.toString().equals(w2.toString());

  }

  catch (IOException ignore) {}

  return false;

}

I hope this helps,

Lukas

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[Lukas Eder]

... This of course depends on the javax.xml.bind module from JDK 9 onwards ;-)

[Lukas Eder]

... I've added a feature request for this. Let's see if it's easy to write an XJC plugin:

https://github.com/jOOQ/jOOQ/issues/7075

[Lukas Eder]

So, #7075 is now implemented for jOOQ 3.11 (will backport to 3.10.6). I must say, implementing an XJC plugin has been a rather interesting experience. Will blog about this soon, providing the source code for the plugin (still incredible that there seems to be no popular XJC plugin for this purpose!)