396 lines
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396 lines
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<title>Class SequentialBulkReader<TData> | HiAPI-C# 2025 </title>
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<article data-uid="Hi.Common.ParallelBulkUtils.SequentialBulkReader`1">
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<h1 id="Hi_Common_ParallelBulkUtils_SequentialBulkReader_1" data-uid="Hi.Common.ParallelBulkUtils.SequentialBulkReader`1" class="text-break">
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Class SequentialBulkReader<TData>
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</h1>
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<div class="facts text-secondary">
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<dl><dt>Namespace</dt><dd><a class="xref" href="Hi.html">Hi</a>.<a class="xref" href="Hi.Common.html">Common</a>.<a class="xref" href="Hi.Common.ParallelBulkUtils.html">ParallelBulkUtils</a></dd></dl>
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<dl><dt>Assembly</dt><dd>HiGeom.dll</dd></dl>
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</div>
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<div class="markdown summary"><p>Sequential bulk reader that provides efficient data access with caching capabilities.
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Unlike <a class="xref" href="Hi.Common.ParallelBulkUtils.ParallelBulkReader-1.html">ParallelBulkReader<TData></a>, this reader processes data sequentially.</p>
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</div>
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<div class="markdown conceptual"></div>
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<div class="codewrapper">
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<pre><code class="lang-csharp hljs">public class SequentialBulkReader<TData> where TData : class</code></pre>
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</div>
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<h4 class="section">Type Parameters</h4>
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<dl class="parameters">
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<dt><code>TData</code></dt>
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<dd><p>The type of data to read.</p>
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</dd>
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</dl>
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<dl class="typelist inheritance">
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<dt>Inheritance</dt>
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<dd>
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<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
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<div><span class="xref">SequentialBulkReader<TData></span></div>
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</dd>
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</dl>
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<dl class="typelist inheritedMembers">
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<dt>Inherited Members</dt>
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<dd>
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<div>
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<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object)">object.Equals(object)</a>
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</div>
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<div>
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<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object-system-object)">object.Equals(object, object)</a>
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</div>
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<div>
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<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gethashcode">object.GetHashCode()</a>
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</div>
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<div>
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<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gettype">object.GetType()</a>
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</div>
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<div>
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<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.memberwiseclone">object.MemberwiseClone()</a>
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</div>
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<div>
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<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.referenceequals">object.ReferenceEquals(object, object)</a>
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</div>
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<div>
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<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.tostring">object.ToString()</a>
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</div>
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</dd></dl>
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<dl class="typelist extensionMethods">
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<dt>Extension Methods</dt>
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<dd>
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<div>
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<a class="xref" href="Hi.Common.DuplicateUtil.html#Hi_Common_DuplicateUtil_TryDuplicate__1___0_System_Object___">DuplicateUtil.TryDuplicate<TSelf>(TSelf, params object[])</a>
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</div>
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<div>
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<a class="xref" href="Hi.Common.InvokeUtil.html#Hi_Common_InvokeUtil_SelfInvoke__1___0_System_Action___0__">InvokeUtil.SelfInvoke<TSrc>(TSrc, Action<TSrc>)</a>
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</div>
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<div>
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<a class="xref" href="Hi.Common.InvokeUtil.html#Hi_Common_InvokeUtil_SelfInvoke__2___0_System_Func___0___1__">InvokeUtil.SelfInvoke<TSrc, TDst>(TSrc, Func<TSrc, TDst>)</a>
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</div>
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<div>
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<a class="xref" href="Hi.Coloring.ColorUtil.html#Hi_Coloring_ColorUtil_GetGloomyColor_System_Object_System_Double_System_Double_">ColorUtil.GetGloomyColor(object, double, double)</a>
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</div>
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<div>
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<a class="xref" href="Hi.Common.NameUtil.html#Hi_Common_NameUtil_GetSelectionName_System_Object_">NameUtil.GetSelectionName(object)</a>
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</div>
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<div>
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<a class="xref" href="Hi.Common.StringUtil.html#Hi_Common_StringUtil_GetPropertyStringIfToStringNotOverloaded_System_Object_System_Boolean_System_Boolean_">StringUtil.GetPropertyStringIfToStringNotOverloaded(object, bool, bool)</a>
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</div>
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<div>
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<a class="xref" href="Hi.Parallels.LockUtil.html#Hi_Parallels_LockUtil_Lock_System_Object_">LockUtil.Lock(object)</a>
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</div>
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</dd></dl>
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<h2 class="section" id="constructors">Constructors
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</h2>
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<a id="Hi_Common_ParallelBulkUtils_SequentialBulkReader_1__ctor_" data-uid="Hi.Common.ParallelBulkUtils.SequentialBulkReader`1.#ctor*"></a>
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<h3 id="Hi_Common_ParallelBulkUtils_SequentialBulkReader_1__ctor_System_Int32_System_Int32_Hi_Common_ParallelBulkUtils_ReadBulkDelegate__0__System_Func__0_System_Nullable_System_Int32___System_Func_System_Int32__" data-uid="Hi.Common.ParallelBulkUtils.SequentialBulkReader`1.#ctor(System.Int32,System.Int32,Hi.Common.ParallelBulkUtils.ReadBulkDelegate{`0},System.Func{`0,System.Nullable{System.Int32}},System.Func{System.Int32})">
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SequentialBulkReader(int, int, ReadBulkDelegate<TData>, Func<TData, int?>, Func<int>)
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</h3>
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<div class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="Hi.Common.ParallelBulkUtils.SequentialBulkReader-1.html">SequentialBulkReader<TData></a> class.</p>
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</div>
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<div class="markdown level1 conceptual"></div>
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<div class="codewrapper">
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<pre><code class="lang-csharp hljs">public SequentialBulkReader(int bulkListSize, int bulkSize, ReadBulkDelegate<TData> readBulkFunc, Func<TData, int?> getIndexFunc, Func<int> countFunc)</code></pre>
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</div>
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<h4 class="section">Parameters</h4>
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<dl class="parameters">
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<dt><code>bulkListSize</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></dt>
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<dd><p>The number of bulk lists to maintain in the cache.</p>
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</dd>
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<dt><code>bulkSize</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></dt>
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<dd><p>The size of each bulk.</p>
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</dd>
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<dt><code>readBulkFunc</code> <a class="xref" href="Hi.Common.ParallelBulkUtils.ReadBulkDelegate-1.html">ReadBulkDelegate</a><TData></dt>
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<dd><p>The function used to read bulk data.</p>
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</dd>
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<dt><code>getIndexFunc</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.func-2">Func</a><TData, <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a>?></dt>
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<dd><p>The function used to extract an index from a data item.</p>
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</dd>
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<dt><code>countFunc</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.func-1">Func</a><<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a>></dt>
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<dd><p>The function that returns the total count of available data items.</p>
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</dd>
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</dl>
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<h2 class="section" id="properties">Properties
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</h2>
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<a id="Hi_Common_ParallelBulkUtils_SequentialBulkReader_1_CountFunc_" data-uid="Hi.Common.ParallelBulkUtils.SequentialBulkReader`1.CountFunc*"></a>
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<h3 id="Hi_Common_ParallelBulkUtils_SequentialBulkReader_1_CountFunc" data-uid="Hi.Common.ParallelBulkUtils.SequentialBulkReader`1.CountFunc">
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CountFunc
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</h3>
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<div class="markdown level1 summary"><p>Gets the function that returns the total count of available data items.</p>
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</div>
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<div class="markdown level1 conceptual"></div>
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<div class="codewrapper">
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<pre><code class="lang-csharp hljs">public Func<int> CountFunc { get; }</code></pre>
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</div>
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<h4 class="section">Property Value</h4>
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<dl class="parameters">
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<dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.func-1">Func</a><<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a>></dt>
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<dd></dd>
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</dl>
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<a id="Hi_Common_ParallelBulkUtils_SequentialBulkReader_1_GetIndexFunc_" data-uid="Hi.Common.ParallelBulkUtils.SequentialBulkReader`1.GetIndexFunc*"></a>
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<h3 id="Hi_Common_ParallelBulkUtils_SequentialBulkReader_1_GetIndexFunc" data-uid="Hi.Common.ParallelBulkUtils.SequentialBulkReader`1.GetIndexFunc">
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GetIndexFunc
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</h3>
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<div class="markdown level1 summary"><p>Gets the function used to extract an index from a data item.</p>
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</div>
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<div class="markdown level1 conceptual"></div>
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<div class="codewrapper">
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<pre><code class="lang-csharp hljs">public Func<TData, int?> GetIndexFunc { get; }</code></pre>
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</div>
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<h4 class="section">Property Value</h4>
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<dl class="parameters">
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<dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.func-2">Func</a><TData, <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a>?></dt>
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<dd></dd>
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</dl>
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<h2 class="section" id="methods">Methods
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</h2>
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<a id="Hi_Common_ParallelBulkUtils_SequentialBulkReader_1_ClearCache_" data-uid="Hi.Common.ParallelBulkUtils.SequentialBulkReader`1.ClearCache*"></a>
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<h3 id="Hi_Common_ParallelBulkUtils_SequentialBulkReader_1_ClearCache" data-uid="Hi.Common.ParallelBulkUtils.SequentialBulkReader`1.ClearCache">
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ClearCache()
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</h3>
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<div class="markdown level1 summary"><p>Clears all cached data.</p>
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</div>
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<div class="markdown level1 conceptual"></div>
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<div class="codewrapper">
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<pre><code class="lang-csharp hljs">public void ClearCache()</code></pre>
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</div>
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<a id="Hi_Common_ParallelBulkUtils_SequentialBulkReader_1_GetStep_" data-uid="Hi.Common.ParallelBulkUtils.SequentialBulkReader`1.GetStep*"></a>
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<h3 id="Hi_Common_ParallelBulkUtils_SequentialBulkReader_1_GetStep_System_Int32_" data-uid="Hi.Common.ParallelBulkUtils.SequentialBulkReader`1.GetStep(System.Int32)">
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GetStep(int)
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</h3>
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<div class="markdown level1 summary"><p>Gets a data item at the specified step index, with automatic caching.</p>
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</div>
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<div class="markdown level1 conceptual"></div>
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<div class="codewrapper">
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<pre><code class="lang-csharp hljs">public TData GetStep(int stepIndex)</code></pre>
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</div>
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<h4 class="section">Parameters</h4>
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<dl class="parameters">
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<dt><code>stepIndex</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></dt>
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<dd><p>The index of the step to retrieve.</p>
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</dd>
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</dl>
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<h4 class="section">Returns</h4>
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<dl class="parameters">
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<dt><span class="xref">TData</span></dt>
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<dd><p>The data item at the specified index.</p>
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</dd>
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</dl>
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</article>
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<div class="contribution d-print-none">
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