node-ignite/api_spec/ScanQuery.html at master · exposebox/node-ignite · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <title>JSDoc: Class: ScanQuery</title>

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<body>

<div id="main">

    <h1 class="page-title">Class: ScanQuery</h1>


<section>

<header>

        <h2><span class="attribs"><span class="type-signature"></span></span>ScanQuery<span class="signature">()</span><span class="type-signature"></span></h2>

            <div class="class-description"><p>Class representing a Scan query which returns the whole cache entries (key-value pairs).</p>
<p>This version of the class does not support a possibility to specify a Filter object for the query.
The query returns all entries from the entire cache or from the specified partition.</p></div>


</header>

<article>
    <div class="container-overview">


    <h2>Constructor</h2>


    <h4 class="name" id="ScanQuery"><span class="type-signature"></span>new ScanQuery<span class="signature">()</span><span class="type-signature"></span></h4>


<div class="description">
    <p>Public constructor.</p>
<p>Scan query settings have the following defaults:</p>
<p><pre>
    Scan Query setting        :    Default value
    Local query flag          :    false
    Cursor page size          :    1024
    Partition number          :    -1 (entire cache)
    Filter object             :    null (not supported)
</pre>
Every setting (except Filter object) may be changed using set methods.</p>
</div>


<dl class="details">


    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="Query.js.html">Query.js</a>, <a href="Query.js.html#line447">line 447</a>
    </li></ul></dd>


</dl>


    </div>


        <h3 class="subsection-title">Extends</h3>


    <ul>
        <li><a href="Query.html">Query</a></li>
    </ul>


        <h3 class="subsection-title">Methods</h3>


    <h4 class="name" id="setLocal"><span class="type-signature"></span>setLocal<span class="signature">(local)</span><span class="type-signature"> &rarr; {<a href="Query.html">Query</a>}</span></h4>


<div class="description">
    <p>Set local query flag.</p>
</div>


    <h5>Parameters:</h5>


<table class="params">
    <thead>
    <tr>

        <th>Name</th>


        <th>Type</th>


        <th class="last">Description</th>
    </tr>
    </thead>

    <tbody>


        <tr>

                <td class="name"><code>local</code></td>


            <td class="type">


<span class="param-type">boolean</span>


            </td>


            <td class="description last"><p>local query flag: true or false.</p></td>
        </tr>


    </tbody>
</table>


<dl class="details">


    <dt class="inherited-from">Inherited From:</dt>
    <dd class="inherited-from"><ul class="dummy"><li>
        <a href="Query.html#setLocal">Query#setLocal</a>
    </li></ul></dd>


    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="Query.js.html">Query.js</a>, <a href="Query.js.html#line44">line 44</a>
    </li></ul></dd>


</dl>


<h5>Returns:</h5>


<div class="param-desc">
    <ul>
<li>the same instance of the Query.</li>
</ul>
</div>


<dl>
    <dt>
        Type
    </dt>
    <dd>

<span class="param-type"><a href="Query.html">Query</a></span>


    </dd>
</dl>


    <h4 class="name" id="setPageSize"><span class="type-signature"></span>setPageSize<span class="signature">(pageSize)</span><span class="type-signature"> &rarr; {<a href="Query.html">Query</a>}</span></h4>


<div class="description">
    <p>Set <a href="Cursor.html">Cursor</a> page size.</p>
</div>


    <h5>Parameters:</h5>


<table class="params">
    <thead>
    <tr>

        <th>Name</th>


        <th>Type</th>


        <th class="last">Description</th>
    </tr>
    </thead>

    <tbody>


        <tr>

                <td class="name"><code>pageSize</code></td>


            <td class="type">


<span class="param-type">number</span>


            </td>


            <td class="description last"><p>cursor page size.</p></td>
        </tr>


    </tbody>
</table>


<dl class="details">


    <dt class="inherited-from">Inherited From:</dt>
    <dd class="inherited-from"><ul class="dummy"><li>
        <a href="Query.html#setPageSize">Query#setPageSize</a>
    </li></ul></dd>


    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="Query.js.html">Query.js</a>, <a href="Query.js.html#line56">line 56</a>
    </li></ul></dd>


</dl>


<h5>Returns:</h5>


<div class="param-desc">
    <ul>
<li>the same instance of the Query.</li>
</ul>
</div>


<dl>
    <dt>
        Type
    </dt>
    <dd>

<span class="param-type"><a href="Query.html">Query</a></span>


    </dd>
</dl>


    <h4 class="name" id="setPartitionNumber"><span class="type-signature"></span>setPartitionNumber<span class="signature">(partitionNumber)</span><span class="type-signature"> &rarr; {<a href="ScanQuery.html">ScanQuery</a>}</span></h4>


<div class="description">
    <p>Sets a partition number over which this query should iterate.</p>
<p>If negative, the query will iterate over all partitions in the cache.</p>
</div>


    <h5>Parameters:</h5>


<table class="params">
    <thead>
    <tr>

        <th>Name</th>


        <th>Type</th>


        <th class="last">Description</th>
    </tr>
    </thead>

    <tbody>


        <tr>

                <td class="name"><code>partitionNumber</code></td>


            <td class="type">


<span class="param-type">number</span>


            </td>


            <td class="description last"><p>partition number over which this query should iterate.</p></td>
        </tr>


    </tbody>
</table>


<dl class="details">


    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="Query.js.html">Query.js</a>, <a href="Query.js.html#line478">line 478</a>
    </li></ul></dd>


</dl>


<h5>Returns:</h5>


<div class="param-desc">
    <ul>
<li>the same instance of the ScanQuery.</li>
</ul>
</div>


<dl>
    <dt>
        Type
    </dt>
    <dd>

<span class="param-type"><a href="ScanQuery.html">ScanQuery</a></span>


    </dd>
</dl>


</article>

</section>


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