[dna-issues] [JBoss JIRA] Commented: (DNA-467) Add search/query support to the graph API

Thu Jun 18 16:57:56 EDT 2009

    [ https://jira.jboss.org/jira/browse/DNA-467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12472861#action_12472861 ] 

Randall Hauch commented on DNA-467:
-----------------------------------

The classes that make up a query model could probably go in 'dna-graph' in the 'org.jboss.dna.graph.query.model' package.  The 'org.jboss.dna.graph.query' package could then have the interfaces for executing queries, and "org.jboss.dna.graph.process' could have any abstract base classes for query processor implementations (if there are any).

> Add search/query support to the graph API
> -----------------------------------------
>
>                 Key: DNA-467
>                 URL: https://jira.jboss.org/jira/browse/DNA-467
>             Project: DNA
>          Issue Type: Feature Request
>          Components: API, Connectors, Graph
>    Affects Versions: 0.5
>            Reporter: Randall Hauch
>            Assignee: Johnny Verhaeg
>            Priority: Critical
>             Fix For: 0.6
>
>
> The graph system needs to be able to push a search/query down to a connector, and we need to develop a query model (in the form of concrete classes, probably immutable).  Connectors can optionally support queries, and if they do they will process the query and return the results.
> Particular language bindings would be put on top of this query model.  For example, JCR 1.0 defines an XPath language.  Support for each language would parse a query in that language and produce a query model.

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