DD4hep: Add access to vectors in SecPars from DDFilteredView

[ianna]

PR description:

• Add an easier access to vectors by names of the SpecPar and its attribute
• Specialize the accessor for std::vector<std::string> and std::vector<double>

Example:

std::vector<double> result = fview.get<std::vector<double>>("hf", "LongFL");

or

std::vector<std::string> result = fview.get<std::vector<std::string>>("hf", "LongFL");

@bsunanda - FYI

PR validation:

DDFilteredView.cppunit.cc runs automatically. It compares the hard-coded expected reference values with the actually retrieved from xml for hf SpecPar and attl and LongFL attributes.

if this PR is a backport please specify the original PR:

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• verify that the PR is really intended for the chosen branch
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[cmsbuild]

The code-checks are being triggered in jenkins.

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-28108/12112

• This PR adds an extra 28KB to repository

[cmsbuild]

A new Pull Request was created by @ianna (Ianna Osborne) for master.

It involves the following packages:

DetectorDescription/DDCMS

@civanch, @Dr15Jones, @cvuosalo, @ianna, @mdhildreth, @cmsbuild can you please review it and eventually sign? Thanks.
@vargasa this is something you requested to watch as well.
@davidlange6, @slava77, @fabiocos you are the release manager for this.

cms-bot commands are listed here

[ianna]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/2758/console Started: 2019/10/02 17:18
https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/2766/console Started: 2019/10/02 22:50

[cmsbuild]

+1
Tested at: efe1770
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-43ae76/2766/summary.html

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-43ae76/2766/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 34
• DQMHistoTests: Total histograms compared: 2956833
• DQMHistoTests: Total failures: 1
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2956491
• DQMHistoTests: Total skipped: 341
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 33 files compared)
• Checked 147 log files, 16 edm output root files, 34 DQM output files

[ianna]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next master IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @davidlange6, @slava77, @smuzaffar, @fabiocos (and backports should be raised in the release meeting by the corresponding L2)

[fabiocos]

+1

the updated test configurations appear to run smoothly