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| <title>Interface IDataStreamer<TK, TV> |
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| |
| <h1 id="Apache_Ignite_Core_Datastream_IDataStreamer_2" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2" class="text-break">Interface IDataStreamer<TK, TV> |
| </h1> |
| <div class="markdown level0 summary"><p>Data streamer loads data efficiently into cache. Updates are buffered and mapped to primary nodes |
| to ensure minimal data movement and optimal resource utilization. |
| <p> |
| Note that streamer loads data to remote nodes in parallel, so cache updates can be reordered. |
| <p> |
| Also note that <code>IDataStreamer</code> is not the only way to load data into cache. |
| Alternatively you can use |
| <a class="xref" href="Apache.Ignite.Core.Cache.Store.ICacheStore-2.html#Apache_Ignite_Core_Cache_Store_ICacheStore_2_LoadCache_System_Action__0__1__System_Object___">LoadCache(Action<TK, TV>, Object[])</a> |
| method to load data from underlying data store. You can also use standard cache |
| <code>put</code> and <code>putAll</code> operations as well, but they most likely will not perform |
| as well as this class for loading data. And finally, data can be loaded from underlying |
| data store on demand, whenever it is accessed - for this no explicit data loading step |
| is needed. |
| <p> |
| <code>IDataStreamer</code> supports the following configuration properties: |
| <ul><li>PerNodeBufferSizeWhen entries are added to data streamer they are not sent to Ignite |
| right away and are buffered internally for better performance and network utilization. |
| This setting controls the size of internal per-node buffer before buffered data is sent to |
| remote node. Default value is 1024.</li><li>PerThreadBufferSizeWhen entries are added to data streamer they are not sent to Ignite |
| right away and are buffered internally on per thread basis for better performance and network utilization. |
| This setting controls the size of internal per-thread buffer before buffered data is sent to |
| remote node. Default value is 4096.</li><li>PerNodeParallelOperationsSometimes data may be added to the data streamer faster than it can be put |
| in cache. In this case, new buffered load messages are sent to remote nodes before |
| responses from previous ones are received. This could cause unlimited heap memory |
| utilization growth on local and remote nodes. To control memory utilization, this |
| setting limits maximum allowed number of parallel buffered load messages that are |
| being processed on remote nodes. If this number is exceeded, then data streamer add/remove |
| methods will block to control memory utilization. Default value is 16.</li><li>AutoFlushFrequencyAutomatic flush frequency in milliseconds. Essentially, this is the time |
| after which the streamer will make an attempt to submit all data added so far to remote |
| nodes. Note that there is no guarantee that data will be delivered after this concrete |
| attempt (e.g., it can fail when topology is changing), but it won't be lost anyway. |
| Disabled by default (default value is <code>0</code>).</li><li>IsolatedDefines if data streamer will assume that there are no other concurrent |
| updates and allow data streamer choose most optimal concurrent implementation. Default value |
| is <code>false</code>.</li></ul> |
| <p> |
| All members are thread-safe and may be used concurrently from multiple threads.</p> |
| </div> |
| <div class="markdown level0 conceptual"></div> |
| <div class="inheritedMembers"> |
| <h5>Inherited Members</h5> |
| <div> |
| <span class="xref">System.IDisposable.Dispose()</span> |
| </div> |
| </div> |
| <h6><strong>Namespace</strong>: <a class="xref" href="Apache.Ignite.Core.Datastream.html">Apache.Ignite.Core.Datastream</a></h6> |
| <h6><strong>Assembly</strong>: Apache.Ignite.Core.dll</h6> |
| <h5 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_syntax">Syntax</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">public interface IDataStreamer<TK, TV> : IDisposable</code></pre> |
| </div> |
| <h5 class="typeParameters">Type Parameters</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Name</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="parametername">TK</span></td> |
| <td></td> |
| </tr> |
| <tr> |
| <td><span class="parametername">TV</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <h3 id="properties">Properties |
| </h3> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_AllowOverwrite_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.AllowOverwrite*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_AllowOverwrite" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.AllowOverwrite">AllowOverwrite</h4> |
| <div class="markdown level1 summary"><p>Gets or sets a value indicating whether existing values can be overwritten by the data streamer. |
| Performance is better when this flag is false. |
| <p> |
| NOTE: When false, cache updates won't be propagated to cache store |
| (even if <a class="xref" href="Apache.Ignite.Core.Datastream.IDataStreamer-2.html#Apache_Ignite_Core_Datastream_IDataStreamer_2_SkipStore">SkipStore</a> is false). |
| <p> |
| Default is <code>false</code>.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">bool AllowOverwrite { get; set; }</code></pre> |
| </div> |
| <h5 class="propertyValue">Property Value</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Boolean</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_AutoFlushFrequency_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.AutoFlushFrequency*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_AutoFlushFrequency" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.AutoFlushFrequency">AutoFlushFrequency</h4> |
| <div class="markdown level1 summary"><p>Gets or sets the automatic flush frequency, in milliseconds. |
| Data streamer buffers the data for performance reasons. |
| The buffer is flushed in the following cases: |
| <ul> |
| <li>Buffer is full.</li> |
| <li><a class="xref" href="Apache.Ignite.Core.Datastream.IDataStreamer-2.html#Apache_Ignite_Core_Datastream_IDataStreamer_2_Flush">Flush()</a> or <a class="xref" href="Apache.Ignite.Core.Datastream.IDataStreamer-2.html#Apache_Ignite_Core_Datastream_IDataStreamer_2_TryFlush">TryFlush()</a> is called.</li> |
| <li>Periodically when <a class="xref" href="Apache.Ignite.Core.Datastream.IDataStreamer-2.html#Apache_Ignite_Core_Datastream_IDataStreamer_2_AutoFlushInterval">AutoFlushInterval</a> is set.</li> |
| </ul> |
| <p> |
| If set to <code>0</code>, automatic flush is disabled. |
| <p> |
| Default is <code>0</code> (disabled).</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">[Obsolete("Use AutoFlushInterval.")] |
| long AutoFlushFrequency { get; set; }</code></pre> |
| </div> |
| <h5 class="propertyValue">Property Value</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Int64</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_AutoFlushInterval_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.AutoFlushInterval*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_AutoFlushInterval" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.AutoFlushInterval">AutoFlushInterval</h4> |
| <div class="markdown level1 summary"><p>Gets or sets the automatic flush interval. Data streamer buffers the data for performance reasons. |
| The buffer is flushed in the following cases: |
| <ul> |
| <li>Buffer is full.</li> |
| <li><a class="xref" href="Apache.Ignite.Core.Datastream.IDataStreamer-2.html#Apache_Ignite_Core_Datastream_IDataStreamer_2_Flush">Flush()</a> or <a class="xref" href="Apache.Ignite.Core.Datastream.IDataStreamer-2.html#Apache_Ignite_Core_Datastream_IDataStreamer_2_TryFlush">TryFlush()</a> is called.</li> |
| <li>Periodically when <a class="xref" href="Apache.Ignite.Core.Datastream.IDataStreamer-2.html#Apache_Ignite_Core_Datastream_IDataStreamer_2_AutoFlushInterval">AutoFlushInterval</a> is set.</li> |
| </ul> |
| <p> |
| When set to <span class="xref">System.TimeSpan.Zero</span>, automatic flush is disabled. |
| <p> |
| Default is <span class="xref">System.TimeSpan.Zero</span> (disabled).</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">TimeSpan AutoFlushInterval { get; set; }</code></pre> |
| </div> |
| <h5 class="propertyValue">Property Value</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.TimeSpan</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_CacheName_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.CacheName*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_CacheName" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.CacheName">CacheName</h4> |
| <div class="markdown level1 summary"><p>Name of the cache to load data to.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">string CacheName { get; }</code></pre> |
| </div> |
| <h5 class="propertyValue">Property Value</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.String</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_PerNodeBufferSize_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.PerNodeBufferSize*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_PerNodeBufferSize" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.PerNodeBufferSize">PerNodeBufferSize</h4> |
| <div class="markdown level1 summary"><p>Size of per node key-value pairs buffer. |
| <p> |
| Setter must be called before any add/remove operation. |
| <p> |
| Default is <a class="xref" href="Apache.Ignite.Core.Datastream.DataStreamerDefaults.html#Apache_Ignite_Core_Datastream_DataStreamerDefaults_DefaultPerNodeBufferSize">DefaultPerNodeBufferSize</a>.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">int PerNodeBufferSize { get; set; }</code></pre> |
| </div> |
| <h5 class="propertyValue">Property Value</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Int32</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_PerNodeParallelOperations_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.PerNodeParallelOperations*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_PerNodeParallelOperations" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.PerNodeParallelOperations">PerNodeParallelOperations</h4> |
| <div class="markdown level1 summary"><p>Maximum number of parallel load operations for a single node. |
| <p> |
| Setter must be called before any add/remove operation. |
| <p> |
| Default is 0, which means Ignite calculates this automatically as |
| <a class="xref" href="Apache.Ignite.Core.IgniteConfiguration.html#Apache_Ignite_Core_IgniteConfiguration_DataStreamerThreadPoolSize">DataStreamerThreadPoolSize</a> * |
| <a class="xref" href="Apache.Ignite.Core.Datastream.DataStreamerDefaults.html#Apache_Ignite_Core_Datastream_DataStreamerDefaults_DefaultParallelOperationsMultiplier">DefaultParallelOperationsMultiplier</a>.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">int PerNodeParallelOperations { get; set; }</code></pre> |
| </div> |
| <h5 class="propertyValue">Property Value</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Int32</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_PerThreadBufferSize_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.PerThreadBufferSize*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_PerThreadBufferSize" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.PerThreadBufferSize">PerThreadBufferSize</h4> |
| <div class="markdown level1 summary"><p>Size of per thread key-value pairs buffer. |
| <p> |
| Setter must be called before any add/remove operation. |
| <p> |
| Default is <a class="xref" href="Apache.Ignite.Core.Datastream.DataStreamerDefaults.html#Apache_Ignite_Core_Datastream_DataStreamerDefaults_DefaultPerThreadBufferSize">DefaultPerThreadBufferSize</a>.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">int PerThreadBufferSize { get; set; }</code></pre> |
| </div> |
| <h5 class="propertyValue">Property Value</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Int32</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_Receiver_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.Receiver*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_Receiver" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.Receiver">Receiver</h4> |
| <div class="markdown level1 summary"><p>Gets or sets custom stream receiver.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">IStreamReceiver<TK, TV> Receiver { get; set; }</code></pre> |
| </div> |
| <h5 class="propertyValue">Property Value</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><a class="xref" href="Apache.Ignite.Core.Datastream.IStreamReceiver-2.html">IStreamReceiver</a><TK, TV></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_SkipStore_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.SkipStore*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_SkipStore" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.SkipStore">SkipStore</h4> |
| <div class="markdown level1 summary"><p>Flag indicating that write-through behavior should be disabled for data loading. |
| <p> |
| <a class="xref" href="Apache.Ignite.Core.Datastream.IDataStreamer-2.html#Apache_Ignite_Core_Datastream_IDataStreamer_2_AllowOverwrite">AllowOverwrite</a> must be true for write-through to work. |
| <p> |
| Default is <code>false</code>.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">bool SkipStore { get; set; }</code></pre> |
| </div> |
| <h5 class="propertyValue">Property Value</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Boolean</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_Task_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.Task*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_Task" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.Task">Task</h4> |
| <div class="markdown level1 summary"><p>Gets the task for this loading process. This task completes whenever method |
| <a class="xref" href="Apache.Ignite.Core.Datastream.IDataStreamer-2.html#Apache_Ignite_Core_Datastream_IDataStreamer_2_Close_System_Boolean_">Close(Boolean)</a> completes.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">Task Task { get; }</code></pre> |
| </div> |
| <h5 class="propertyValue">Property Value</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Threading.Tasks.Task</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_Timeout_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.Timeout*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_Timeout" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.Timeout">Timeout</h4> |
| <div class="markdown level1 summary"><p>Gets or sets the timeout. Negative values mean no timeout. |
| Default is <a class="xref" href="Apache.Ignite.Core.Datastream.DataStreamerDefaults.html#Apache_Ignite_Core_Datastream_DataStreamerDefaults_DefaultTimeout">DefaultTimeout</a>. |
| <p> |
| Timeout is used in the following cases: |
| <li>Any data addition method can be blocked when all per node parallel operations are exhausted. |
| The timeout defines the max time you will be blocked waiting for a permit to add a chunk of data |
| into the streamer;</li> |
| <li>Total timeout time for <a class="xref" href="Apache.Ignite.Core.Datastream.IDataStreamer-2.html#Apache_Ignite_Core_Datastream_IDataStreamer_2_Flush">Flush()</a> operation;</li> |
| <li>Total timeout time for <a class="xref" href="Apache.Ignite.Core.Datastream.IDataStreamer-2.html#Apache_Ignite_Core_Datastream_IDataStreamer_2_Close_System_Boolean_">Close(Boolean)</a> operation.</li></p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">TimeSpan Timeout { get; set; }</code></pre> |
| </div> |
| <h5 class="propertyValue">Property Value</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.TimeSpan</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <h3 id="methods">Methods |
| </h3> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_Add_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.Add*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_Add__0__1_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.Add(`0,`1)">Add(TK, TV)</h4> |
| <div class="markdown level1 summary"><p>Adds single key-value pair for loading. Passing <code>null</code> as value will be |
| interpreted as removal.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">void Add(TK key, TV val)</code></pre> |
| </div> |
| <h5 class="parameters">Parameters</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Name</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">TK</span></td> |
| <td><span class="parametername">key</span></td> |
| <td><p>Key.</p> |
| </td> |
| </tr> |
| <tr> |
| <td><span class="xref">TV</span></td> |
| <td><span class="parametername">val</span></td> |
| <td><p>Value.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_Add_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.Add*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_Add_System_Collections_Generic_ICollection_System_Collections_Generic_KeyValuePair__0__1___" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.Add(System.Collections.Generic.ICollection{System.Collections.Generic.KeyValuePair{`0,`1}})">Add(ICollection<KeyValuePair<TK, TV>>)</h4> |
| <div class="markdown level1 summary"><p>Adds collection of key-value pairs for loading.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">void Add(ICollection<KeyValuePair<TK, TV>> entries)</code></pre> |
| </div> |
| <h5 class="parameters">Parameters</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Name</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Collections.Generic.ICollection</span><<span class="xref">System.Collections.Generic.KeyValuePair</span><TK, TV>></td> |
| <td><span class="parametername">entries</span></td> |
| <td><p>Entries.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_Add_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.Add*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_Add_System_Collections_Generic_KeyValuePair__0__1__" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.Add(System.Collections.Generic.KeyValuePair{`0,`1})">Add(KeyValuePair<TK, TV>)</h4> |
| <div class="markdown level1 summary"><p>Adds single key-value pair for loading. Passing <code>null</code> as pair's value will |
| be interpreted as removal.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">void Add(KeyValuePair<TK, TV> pair)</code></pre> |
| </div> |
| <h5 class="parameters">Parameters</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Name</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Collections.Generic.KeyValuePair</span><TK, TV></td> |
| <td><span class="parametername">pair</span></td> |
| <td><p>Key-value pair.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_AddData_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.AddData*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_AddData__0__1_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.AddData(`0,`1)">AddData(TK, TV)</h4> |
| <div class="markdown level1 summary"><p>Adds single key-value pair for loading. Passing <code>null</code> as value will be |
| interpreted as removal.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">[Obsolete("Use Add.")] |
| Task AddData(TK key, TV val)</code></pre> |
| </div> |
| <h5 class="parameters">Parameters</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Name</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">TK</span></td> |
| <td><span class="parametername">key</span></td> |
| <td><p>Key.</p> |
| </td> |
| </tr> |
| <tr> |
| <td><span class="xref">TV</span></td> |
| <td><span class="parametername">val</span></td> |
| <td><p>Value.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <h5 class="returns">Returns</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Threading.Tasks.Task</span></td> |
| <td><p>Task for this operation.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_AddData_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.AddData*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_AddData_System_Collections_Generic_ICollection_System_Collections_Generic_KeyValuePair__0__1___" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.AddData(System.Collections.Generic.ICollection{System.Collections.Generic.KeyValuePair{`0,`1}})">AddData(ICollection<KeyValuePair<TK, TV>>)</h4> |
| <div class="markdown level1 summary"><p>Adds collection of key-value pairs for loading.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">[Obsolete("Use Add.")] |
| Task AddData(ICollection<KeyValuePair<TK, TV>> entries)</code></pre> |
| </div> |
| <h5 class="parameters">Parameters</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Name</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Collections.Generic.ICollection</span><<span class="xref">System.Collections.Generic.KeyValuePair</span><TK, TV>></td> |
| <td><span class="parametername">entries</span></td> |
| <td><p>Entries.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <h5 class="returns">Returns</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Threading.Tasks.Task</span></td> |
| <td><p>Task for this operation.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_AddData_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.AddData*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_AddData_System_Collections_Generic_KeyValuePair__0__1__" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.AddData(System.Collections.Generic.KeyValuePair{`0,`1})">AddData(KeyValuePair<TK, TV>)</h4> |
| <div class="markdown level1 summary"><p>Adds single key-value pair for loading. Passing <code>null</code> as pair's value will |
| be interpreted as removal.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">[Obsolete("Use Add.")] |
| Task AddData(KeyValuePair<TK, TV> pair)</code></pre> |
| </div> |
| <h5 class="parameters">Parameters</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Name</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Collections.Generic.KeyValuePair</span><TK, TV></td> |
| <td><span class="parametername">pair</span></td> |
| <td><p>Key-value pair.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <h5 class="returns">Returns</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Threading.Tasks.Task</span></td> |
| <td><p>Task for this operation.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_Close_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.Close*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_Close_System_Boolean_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.Close(System.Boolean)">Close(Boolean)</h4> |
| <div class="markdown level1 summary"><p>Closes this streamer, optionally loading any remaining data into the cache.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">void Close(bool cancel)</code></pre> |
| </div> |
| <h5 class="parameters">Parameters</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Name</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Boolean</span></td> |
| <td><span class="parametername">cancel</span></td> |
| <td><p>Whether to cancel ongoing loading operations. When set to <code>true</code>, |
| there is no guarantee which part of remaining data will be actually loaded into the cache.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_Flush_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.Flush*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_Flush" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.Flush">Flush()</h4> |
| <div class="markdown level1 summary"><p>Loads any remaining buffered data, but doesn't close the streamer.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">void Flush()</code></pre> |
| </div> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_FlushAsync_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.FlushAsync*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_FlushAsync" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.FlushAsync">FlushAsync()</h4> |
| <div class="markdown level1 summary"><p>Loads any remaining buffered data, but doesn't close the streamer.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">Task FlushAsync()</code></pre> |
| </div> |
| <h5 class="returns">Returns</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Threading.Tasks.Task</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_GetCurrentBatchTask_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.GetCurrentBatchTask*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_GetCurrentBatchTask" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.GetCurrentBatchTask">GetCurrentBatchTask()</h4> |
| <div class="markdown level1 summary"><p>Gets the task for the current batch. This task completes when current and all previous batches are flushed, |
| either explicitly with <a class="xref" href="Apache.Ignite.Core.Datastream.IDataStreamer-2.html#Apache_Ignite_Core_Datastream_IDataStreamer_2_Flush">Flush()</a>, or automatically when the buffer is full or |
| <a class="xref" href="Apache.Ignite.Core.Datastream.IDataStreamer-2.html#Apache_Ignite_Core_Datastream_IDataStreamer_2_AutoFlushFrequency">AutoFlushFrequency</a> is set.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">Task GetCurrentBatchTask()</code></pre> |
| </div> |
| <h5 class="returns">Returns</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Threading.Tasks.Task</span></td> |
| <td></td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_Remove_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.Remove*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_Remove__0_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.Remove(`0)">Remove(TK)</h4> |
| <div class="markdown level1 summary"><p>Adds key for removal.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">void Remove(TK key)</code></pre> |
| </div> |
| <h5 class="parameters">Parameters</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Name</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">TK</span></td> |
| <td><span class="parametername">key</span></td> |
| <td><p>Key.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_RemoveData_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.RemoveData*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_RemoveData__0_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.RemoveData(`0)">RemoveData(TK)</h4> |
| <div class="markdown level1 summary"><p>Adds key for removal.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">[Obsolete("Use Remove.")] |
| Task RemoveData(TK key)</code></pre> |
| </div> |
| <h5 class="parameters">Parameters</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Name</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">TK</span></td> |
| <td><span class="parametername">key</span></td> |
| <td><p>Key.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <h5 class="returns">Returns</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="xref">System.Threading.Tasks.Task</span></td> |
| <td><p>Task for this operation.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_TryFlush_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.TryFlush*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_TryFlush" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.TryFlush">TryFlush()</h4> |
| <div class="markdown level1 summary"><p>Makes an attempt to load remaining data. This method is mostly similar to |
| <a class="xref" href="Apache.Ignite.Core.Datastream.IDataStreamer-2.html#Apache_Ignite_Core_Datastream_IDataStreamer_2_Flush">Flush()</a> with the difference that it won't wait and |
| will exit immediately.</p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">[Obsolete("Use FlushAsync")] |
| void TryFlush()</code></pre> |
| </div> |
| <a id="Apache_Ignite_Core_Datastream_IDataStreamer_2_WithKeepBinary_" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.WithKeepBinary*"></a> |
| <h4 id="Apache_Ignite_Core_Datastream_IDataStreamer_2_WithKeepBinary__2" data-uid="Apache.Ignite.Core.Datastream.IDataStreamer`2.WithKeepBinary``2">WithKeepBinary<TK1, TV1>()</h4> |
| <div class="markdown level1 summary"><p>Gets streamer instance with binary mode enabled, changing key and/or value types if necessary. |
| In binary mode stream receiver gets data in binary format. |
| You can only change key/value types when transitioning from non-binary to binary streamer; |
| Changing type of binary streamer is not allowed and will throw an <span class="xref">System.InvalidOperationException</span></p> |
| </div> |
| <div class="markdown level1 conceptual"></div> |
| <h5 class="decalaration">Declaration</h5> |
| <div class="codewrapper"> |
| <pre><code class="lang-csharp hljs">IDataStreamer<TK1, TV1> WithKeepBinary<TK1, TV1>()</code></pre> |
| </div> |
| <h5 class="returns">Returns</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><a class="xref" href="Apache.Ignite.Core.Datastream.IDataStreamer-2.html">IDataStreamer</a><TK1, TV1></td> |
| <td><p>Streamer instance with binary mode enabled.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <h5 class="typeParameters">Type Parameters</h5> |
| <table class="table table-bordered table-striped table-condensed"> |
| <thead> |
| <tr> |
| <th>Name</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><span class="parametername">TK1</span></td> |
| <td><p>Key type in binary mode.</p> |
| </td> |
| </tr> |
| <tr> |
| <td><span class="parametername">TV1</span></td> |
| <td><p>Value type in binary mode.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </article> |
| </div> |
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