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<td style="vertical-align: top;; padding: 0; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/OGM-167" style="color: #3b73af; text-decoration: none">Re: Consider reading/writing directly from BSON stream to Tuple to limit unnecessary object creation (like HashMap) by the MongoDB driver</a> </span> </td>
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<blockquote style="margin: 10px 0 0; margin-top: 0; border-left: 1px solid #cccccc; color: #707070; margin-left: 19px; padding: 10px 20px">
<p style="margin: 10px 0 0; margin-top: 0">Document is workhorse of Mongo 3.x API</p>
</blockquote> <p style="margin: 10px 0 0">While Document is the default for <tt>MongoCollection</tt>, the interface is generic and allows an application to use any type that is required, so long as there is a Codec registered for it, e.g.</p>
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<pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
MongoDatabase database = client.getDatabase(<span class="code-quote" style="color: #009100">"test"</span>).withCodecRegistry(...); <span class="code-comment" style="color: #808080">// register Tuple Codec
</span>MongoCollection<Tuple> collection = database.getCollection(<span class="code-quote" style="color: #009100">"tuples"</span>, Tuple.class);
Tuple someTuple = ...
collection.insertOne(someTuple);
Tuple t = collection.find().first();
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</div> <p style="margin: 10px 0 0">I don't think it would be particularly difficult to write an efficient class that implements <tt>Codec<Tuple></tt>, though I'm not familiar with the <tt>Tuple</tt> API. Is it <a href="https://docs.jboss.org/hibernate/jpa/2.1/api/javax/persistence/Tuple.html" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">this</a>?</p> </td>
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