[jira] [Created] (GROOVY-8258) Create a LINQ-like DSL

["Daniel Sun (JIRA)" <ji...@apache.org>]

Daniel Sun created GROOVY-8258:
----------------------------------

             Summary: Create a LINQ-like DSL
                 Key: GROOVY-8258
                 URL: https://issues.apache.org/jira/browse/GROOVY-8258
             Project: Groovy
          Issue Type: Improvement
            Reporter: Daniel Sun



*Example1:*
{code:java}
linq { // return an Iterator<Map<String, Object>>
    from c of categories
    from a of c.articles  // join
    where c.name == 'Groovy'
    orderBy a.voteNum desc // order by
    select { // create a map, its keys: articleName, voteNum, categoryName
        articleName = a.name
        a.voteNum
        categoryName = c.name
    }
}
{code}

*Example2:*
{code:java}
linq { // return an Iterator<Article>
    from c of categories
    from a of c.articles  // join
    where c.name == 'Groovy'
    orderBy a.voteNum desc // order by
    select Article { // create an Article instance
        a.name
        a.voteNum
        categoryName = c.name
    }
}

TO BE CONTINUED...

{code}




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