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| <h2 title="Interface CacheStoreSession" class="title">Interface CacheStoreSession</h2> |
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| <pre>public interface <span class="strong">CacheStoreSession</span></pre> |
| <div class="block">Session for the cache store operations. The main purpose of cache store session |
| is to hold context between multiple store invocations whenever in transaction. For example, |
| if using JDBC, you can store the ongoing database connection in the session <a href="../../../../../org/apache/ignite/cache/store/CacheStoreSession.html#properties()"><code>properties()</code></a> map. |
| You can then commit this connection in the <a href="../../../../../org/apache/ignite/cache/store/CacheStore.html#sessionEnd(boolean)"><code>CacheStore.sessionEnd(boolean)</code></a> method. |
| <p> |
| <code>CacheStoreSession</code> can be injected into an implementation of <a href="../../../../../org/apache/ignite/cache/store/CacheStore.html" title="interface in org.apache.ignite.cache.store"><code>CacheStore</code></a> with |
| <a href="../../../../../org/apache/ignite/resources/CacheStoreSessionResource.html" title="annotation in org.apache.ignite.resources"><code>@CacheStoreSessionResource</code></a> annotation.</div> |
| <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/ignite/resources/CacheStoreSessionResource.html" title="annotation in org.apache.ignite.resources"><code>CacheStoreSessionResource</code></a></dd></dl> |
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| <h3>Method Summary</h3> |
| <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span>Methods</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><T> T</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/ignite/cache/store/CacheStoreSession.html#attach(java.lang.Object)">attach</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> attachment)</code> |
| <div class="block">Attaches the given object to this session.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><T> T</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/ignite/cache/store/CacheStoreSession.html#attachment()">attachment</a></strong>()</code> |
| <div class="block">Retrieves the current attachment or <code>null</code> if there is no attachment.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/ignite/cache/store/CacheStoreSession.html#cacheName()">cacheName</a></strong>()</code> |
| <div class="block">Cache name for the current store operation.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/ignite/cache/store/CacheStoreSession.html#isWithinTransaction()">isWithinTransaction</a></strong>()</code> |
| <div class="block">Returns <code>true</code> if performing store operation within a transaction, |
| <code>false</code> otherwise.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><K,V> <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><K,V></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/ignite/cache/store/CacheStoreSession.html#properties()">properties</a></strong>()</code> |
| <div class="block">Gets current session properties.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/ignite/transactions/Transaction.html" title="interface in org.apache.ignite.transactions">Transaction</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/ignite/cache/store/CacheStoreSession.html#transaction()">transaction</a></strong>()</code> |
| <div class="block">Gets transaction spanning multiple store operations, or <code>null</code> if |
| there is no transaction.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
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| <h3>Method Detail</h3> |
| <a name="transaction()"> |
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| <h4>transaction</h4> |
| <pre><a href="../../../../../org/apache/ignite/transactions/Transaction.html" title="interface in org.apache.ignite.transactions">Transaction</a> transaction()</pre> |
| <div class="block">Gets transaction spanning multiple store operations, or <code>null</code> if |
| there is no transaction.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>Transaction belonging to current session.</dd></dl> |
| </li> |
| </ul> |
| <a name="isWithinTransaction()"> |
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| <h4>isWithinTransaction</h4> |
| <pre>boolean isWithinTransaction()</pre> |
| <div class="block">Returns <code>true</code> if performing store operation within a transaction, |
| <code>false</code> otherwise. Analogous to calling <code>transaction() != null</code>.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd><code>True</code> if performing store operation within a transaction, |
| <code>false</code> otherwise.</dd></dl> |
| </li> |
| </ul> |
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| <h4>attach</h4> |
| <pre>@Nullable |
| <T> T attach(@Nullable |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> attachment)</pre> |
| <div class="block">Attaches the given object to this session. |
| <p> |
| An attached object may later be retrieved via the <a href="../../../../../org/apache/ignite/cache/store/CacheStoreSession.html#attachment()"><code>attachment()</code></a> |
| method. Invoking this method causes any previous attachment to be |
| discarded. To attach additional objects use <a href="../../../../../org/apache/ignite/cache/store/CacheStoreSession.html#properties()"><code>properties()</code></a> map. |
| <p> |
| The current attachment may be discarded by attaching <code>null</code>.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>attachment</code> - The object to be attached (or <code>null</code> to discard current attachment).</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>Previously attached object, if any.</dd></dl> |
| </li> |
| </ul> |
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| <li class="blockList"> |
| <h4>attachment</h4> |
| <pre>@Nullable |
| <T> T attachment()</pre> |
| <div class="block">Retrieves the current attachment or <code>null</code> if there is no attachment.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>Currently attached object, if any.</dd></dl> |
| </li> |
| </ul> |
| <a name="properties()"> |
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| <h4>properties</h4> |
| <pre><K,V> <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><K,V> properties()</pre> |
| <div class="block">Gets current session properties. You can add properties directly to the |
| returned map.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>Current session properties.</dd></dl> |
| </li> |
| </ul> |
| <a name="cacheName()"> |
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| <h4>cacheName</h4> |
| <pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> cacheName()</pre> |
| <div class="block">Cache name for the current store operation. Note that if the same store |
| is reused between different caches, then the cache name will change between |
| different store operations.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>Cache name for the current store operation.</dd></dl> |
| </li> |
| </ul> |
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