[JIRA] [core] (JENKINS-18065) AbstractLazyLoadRunMap.iterator() calls .all()

Fri, 11 Jul 2014 11:44:34 -0700

The problematic part is this:

    at jenkins.model.lazy.AbstractLazyLoadRunMap.all(AbstractLazyLoadRunMap.java:617)
    at jenkins.model.lazy.AbstractLazyLoadRunMap.entrySet(AbstractLazyLoadRunMap.java:277)
    at java.util.AbstractMap$2$1.<init>(Unknown Source)
    at java.util.AbstractMap$2.iterator(Unknown Source)
    at hudson.util.RunList.iterator(RunList.java:97)

In looking at the code, what's going on is that RunList calls job.getBuilds():





    public RunList(View view) {// this is a type unsafe operation
        Set<Job> jobs = new HashSet<Job>();
        for (TopLevelItem item : view.getItems())
            jobs.addAll(item.getAllJobs());

        List<Iterable<R>> runLists = new ArrayList<Iterable<R>>();
        for (Job job : jobs) {
            runLists.add(job.getBuilds());
        }
        this.base = combine(runLists);
    }






and job.getBuilds() does this:





    public RunList<RunT> getBuilds() {
        return RunList.fromRuns(_getRuns().values());
    }






... which results in RunMap.values() which is implemented by AbstractMap, which calls ALLRM.entrySet(), that calls all().



ALLRM.entrySet() impl must be smarter, or job.getBuilds() need to avoid calling values().
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