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| <a href="Group.html"><span class="name">Group</span></a><span class="tparams">[<span name="T">T</span>]</span><span class="result"> extends <a href="Monoid.html" class="extype" name="io.gearpump.streaming.state.api.Monoid">Monoid</a>[<span class="extype" name="io.gearpump.streaming.state.api.Group.T">T</span>]</span> |
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| <a href="MonoidState.html"><span class="name">MonoidState</span></a><span class="tparams">[<span name="T">T</span>]</span><span class="result"> extends <a href="PersistentState.html" class="extype" name="io.gearpump.streaming.state.api.PersistentState">PersistentState</a>[<span class="extype" name="io.gearpump.streaming.state.api.MonoidState.T">T</span>]</span> |
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| <p class="shortcomment cmt">MonoidState uses Algebird Monoid to aggregate state</p><div class="fullcomment"><div class="comment cmt"><p>MonoidState uses Algebird Monoid to aggregate state</p><p>on start, state value is initialized to monoid.zero |
| on each new message, existing state value is aggregated with |
| the incoming value using monoid.plus to get a new state value |
| </p></div></div> |
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| <a href="PersistentState.html"><span class="name">PersistentState</span></a><span class="tparams">[<span name="T">T</span>]</span><span class="result"> extends <span class="extype" name="scala.AnyRef">AnyRef</span></span> |
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| <p class="shortcomment cmt">PersistentState is part of the transaction API</p><div class="fullcomment"><div class="comment cmt"><p>PersistentState is part of the transaction API</p><p>Users could get transaction support from the framework by |
| conforming to PersistentState APIs and extending PersistentTask |
| to manage the state |
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| <p class="shortcomment cmt">PersistentTask is part of the transaction API</p><div class="fullcomment"><div class="comment cmt"><p>PersistentTask is part of the transaction API</p><p>Users should extend this task if they want to get transaction support |
| from the framework |
| </p></div></div> |
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