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| <title>OT/J Language Definition v1.3</title> |
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| <td class="top"><a href="index.html" rel="contents">↑ Table of Contents ↑</a></td> |
| <td class="next"><a href="s1.3.1.b.html" rel="next">§1.3.1.(b) Direct role acquisition >></a></td> |
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| <div class="breadcrumb"><a class="nav" href="s1.html" rel="section">§1 Teams and Roles</a> > <a class="nav" href="s1.3.html" rel="section">§1.3 Acquisition and implicit inheritance of role classes</a> > <a class="nav" href="s1.3.1.html" rel="section">§1.3.1 Acquisition and implicit inheritance of role classes</a></div> |
| <div class="subsect depth4" id="s1.3.1.a"> |
| <h4 class="subsect">§1.3.1.(a) <span class="title">Role class acquisition</span><a class="img" href="s1.3.1.a.html" |
| title="PermaLink to (a) Role class acquisition"><img style="vertical-align:text-top;margin-left:5px;" src="../images/permalink.png" |
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| <p>A team <code>T</code> which extends a super-team <code>S</code> |
| has one role class <code>T.R</code> corresponding to each role <code>S.R</code> |
| of the super-team. |
| The new type <code>T.R</code> <strong>overrides</strong> <code>R</code> for the |
| context of <code>T</code> and its roles. |
| Acquisition of role classes can either be direct (see (b) below), or |
| it may involve overriding and implicit inheritance ((c) below). |
| |
| </p> |
| <div class="codecomment">In the above example (<a href="s1.html#l1.3.1-1" class="listing">Listing 1.3.1-1</a>) the team <code>S</code> operates |
| on types <code>S.R0</code>, <code>S.R1</code> and <code>S.R2</code>, |
| while <code>T</code> operates on types <code>T.R0</code>, <code>T.R1</code> |
| and <code>T.R2</code>.<br /><em>(Type references like "<code>S.R0</code>" are actually illegal in source code |
| (<a href="s1.2.3.b.html" title="§1.2.3.(b) Qualified role types" |
| class="sect">§1.2.3.(b)</a>). Here they are used for explanatory purposes only)</em></div> |
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| <div class="breadcrumb"><a class="nav" href="s1.html" rel="section">§1 Teams and Roles</a> > <a class="nav" href="s1.3.html" rel="section">§1.3 Acquisition and implicit inheritance of role classes</a> > <a class="nav" href="s1.3.1.html" rel="section">§1.3.1 Acquisition and implicit inheritance of role classes</a></div> |
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| width="88" /></a><address>© Stephan Herrmann, Christine Hundt, Marco Mosconi</address> |
| OT/J version 1.3 — last modified: 2011-05-15 |
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