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| <h1 id="Apache_Ignite_Core_Cache" data-uid="Apache.Ignite.Core.Cache" class="text-break">Namespace Apache.Ignite.Core.Cache
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| </h1>
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| <div class="markdown level0 summary"></div>
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| <h3 id="classes">Classes
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| </h3>
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| <h4><a class="xref" href="Apache.Ignite.Core.Cache.CacheEntryProcessorException.html">CacheEntryProcessorException</a></h4>
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| <section><p>An exception to indicate a problem occurred attempting to execute an |
| <a class="xref" href="Apache.Ignite.Core.Cache.ICacheEntryProcessor-4.html">ICacheEntryProcessor<TK, TV, TArg, TRes></a> against an entry.</p> |
| </section>
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| <h4><a class="xref" href="Apache.Ignite.Core.Cache.CacheException.html">CacheException</a></h4>
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| <section><p>Indicates an error during Cache operation.</p> |
| </section>
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| <h4><a class="xref" href="Apache.Ignite.Core.Cache.CachePartialUpdateException.html">CachePartialUpdateException</a></h4>
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| <section><p>Exception thrown from non-transactional cache in case when update succeeded only partially.</p> |
| </section>
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| <h3 id="structs">Structs
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| </h3>
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| <h4><a class="xref" href="Apache.Ignite.Core.Cache.CacheResult-1.html">CacheResult<T></a></h4>
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| <section><p>Represents a cache operation result with a success flag.</p> |
| </section>
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| <h3 id="interfaces">Interfaces
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| </h3>
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| <h4><a class="xref" href="Apache.Ignite.Core.Cache.ICache-2.html">ICache<TK, TV></a></h4>
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| <section><p>Main entry point for Ignite cache APIs. You can get a named cache by calling |
| <a class="xref" href="Apache.Ignite.Core.IIgnite.html#Apache_Ignite_Core_IIgnite_GetCache__2_System_String_">GetCache<TK, TV>(String)</a> method. |
| <p> |
| Cache API supports distributed transactions. All <code>Get(...)</code>, <code>Put(...)</code>, <code>Replace(...)</code>, |
| and <code>Remove(...)</code> operations are transactional and will participate in an ongoing transaction, |
| if any. Other methods like <code>Peek(...)</code> or various <code>Contains(...)</code> methods may |
| be transaction-aware, i.e. check in-transaction entries first, but will not affect the current |
| state of transaction. See <a class="xref" href="Apache.Ignite.Core.Transactions.ITransaction.html">ITransaction</a> documentation for more information |
| about transactions. |
| <p> |
| Neither <code>null</code> keys or values are allowed to be stored in cache. If a <code>null</code> value |
| happens to be in cache (e.g. after invalidation or remove), then cache will treat this case |
| as there is no value at all. |
| <p> |
| Note that cache is generic and you can only work with provided key and value types. If cache also |
| contains keys or values of other types, any attempt to retrieve them will result in |
| <span class="xref">System.InvalidCastException</span>. Use <a class="xref" href="Apache.Ignite.Core.Cache.ICache-2.html">ICache<TK, TV></a> in order to work with entries |
| of arbitrary types. |
| <p> |
| All members are thread-safe and may be used concurrently from multiple threads.</p> |
| </section>
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| <h4><a class="xref" href="Apache.Ignite.Core.Cache.ICacheAffinity.html">ICacheAffinity</a></h4>
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| <section><p>Provides affinity information to detect which node is primary and which nodes are |
| backups for a partitioned cache. You can get an instance of this interface by calling |
| <a class="xref" href="Apache.Ignite.Core.IIgnite.html#Apache_Ignite_Core_IIgnite_GetAffinity_System_String_">GetAffinity(String)</a> method. |
| <p> |
| Mapping of a key to a node is a three-step operation. First step will get an affinity key for |
| given key using <code>CacheAffinityKeyMapper</code>. If mapper is not specified, the original key |
| will be used. Second step will map affinity key to partition using |
| <code>CacheAffinityFunction.partition(Object)</code> method. Third step will map obtained partition |
| to nodes for current grid topology version. |
| <p> |
| Interface provides various <code>mapKeysToNodes(...)</code> methods which provide node affinity mapping |
| for given keys. All <code>mapKeysToNodes(...)</code> methods are not transactional and will not enlist |
| keys into ongoing transaction. |
| <p> |
| All members are thread-safe and may be used concurrently from multiple threads.</p> |
| </section>
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| <h4><a class="xref" href="Apache.Ignite.Core.Cache.ICacheEntry-2.html">ICacheEntry<TK, TV></a></h4>
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| <section><p>Cache entry interface.</p> |
| </section>
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| <h4><a class="xref" href="Apache.Ignite.Core.Cache.ICacheEntryFilter-2.html">ICacheEntryFilter<TK, TV></a></h4>
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| <section><p>Cache entry predicate.</p> |
| </section>
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| <h4><a class="xref" href="Apache.Ignite.Core.Cache.ICacheEntryProcessor-4.html">ICacheEntryProcessor<TK, TV, TArg, TRes></a></h4>
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| <section><p>An invocable function that allows applications to perform compound operations |
| on a cache entry atomically, according the defined consistency of a cache. |
| <p> |
| Any cache entry mutations will not take effect until after |
| the <a class="xref" href="Apache.Ignite.Core.Cache.ICacheEntryProcessor-4.html#Apache_Ignite_Core_Cache_ICacheEntryProcessor_4_Process_Apache_Ignite_Core_Cache_IMutableCacheEntry__0__1___2_">Process(IMutableCacheEntry<TK, TV>, TArg)</a> method has completedS execution. |
| <p> |
| If an exception is thrown by an entry processor, a Caching Implementation |
| must wrap any exception thrown wrapped in an <a class="xref" href="Apache.Ignite.Core.Cache.CacheEntryProcessorException.html">CacheEntryProcessorException</a> |
| If this occurs no mutations will be made to the cache entry.</p> |
| </section>
|
| <h4><a class="xref" href="Apache.Ignite.Core.Cache.ICacheEntryProcessorResult-2.html">ICacheEntryProcessorResult<TK, T></a></h4>
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| <section><p>Represents a result of processing <a class="xref" href="Apache.Ignite.Core.Cache.ICacheEntry-2.html">ICacheEntry<TK, TV></a> |
| by <a class="xref" href="Apache.Ignite.Core.Cache.ICacheEntryProcessor-4.html">ICacheEntryProcessor<TK, TV, TArg, TRes></a>.</p> |
| </section>
|
| <h4><a class="xref" href="Apache.Ignite.Core.Cache.ICacheLock.html">ICacheLock</a></h4>
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| <section><p>Cache locking interface. |
| <p> |
| All members are thread-safe and may be used concurrently from multiple threads.</p> |
| </section>
|
| <h4><a class="xref" href="Apache.Ignite.Core.Cache.ICacheMetrics.html">ICacheMetrics</a></h4>
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| <section><p>Cache metrics used to obtain statistics on cache itself.</p> |
| </section>
|
| <h4><a class="xref" href="Apache.Ignite.Core.Cache.IMemoryMetrics.html">IMemoryMetrics</a></h4>
|
| <section><p>Memory usage metrics. |
| Obsolete, use <a class="xref" href="Apache.Ignite.Core.IDataRegionMetrics.html">IDataRegionMetrics</a>.</p> |
| </section>
|
| <h4><a class="xref" href="Apache.Ignite.Core.Cache.IMutableCacheEntry-2.html">IMutableCacheEntry<TK, TV></a></h4>
|
| <section><p>Mutable representation of <a class="xref" href="Apache.Ignite.Core.Cache.ICacheEntry-2.html">ICacheEntry<TK, TV></a></p> |
| </section>
|
| <h4><a class="xref" href="Apache.Ignite.Core.Cache.IQueryMetrics.html">IQueryMetrics</a></h4>
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| <section><p>Cache query metrics used to obtain statistics on query.</p> |
| </section>
|
| <h3 id="enums">Enums
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| </h3>
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| <h4><a class="xref" href="Apache.Ignite.Core.Cache.CachePeekMode.html">CachePeekMode</a></h4>
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| <section><p>Enumeration of all supported cache peek modes.</p> |
| </section>
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| </article>
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