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<a href="/docs/latest/persistence/persistence-tuning"
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<a href="/docs/latest/snapshots/snapshots" class='' >Cluster Snapshots</a>
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<a href="/docs/latest/data-rebalancing" class='' >Data Rebalancing</a>
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<a href="/docs/latest/data-streaming" class='' >Data Streaming</a>
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<li><a href="/docs/latest/machine-learning/binary-classification/logistic-regression" class=''>Logistic Regression</a></li>
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<li><a href="/docs/latest/machine-learning/binary-classification/ann" class=''>ANN (Approximate Nearest Neighbor)</a></li>
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<li>
<a href="/docs/latest/machine-learning/preprocessing"
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<a href="/docs/latest/machine-learning/multiclass-classification"
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<li><a href="/docs/latest/machine-learning/ensemble-methods/baggin" class=''>Bagging</a></li>
<li><a href="/docs/latest/machine-learning/ensemble-methods/random-forest" class=''>Random Forest</a></li>
<li><a href="/docs/latest/machine-learning/ensemble-methods/gradient-boosting" class=''>Gradient Boosting</a></li>
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<li>
<a href="/docs/latest/machine-learning/recommendation-systems"
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</li>
<li>
<a href="/docs/latest/key-value-api/continuous-queries" class='' >Using Continuous Queries</a>
</li>
<li>
<a href="/docs/latest/services/services" class='' >Using Ignite Services</a>
</li>
<li>
<a href="/docs/latest/messaging" class='' >Using Ignite Messaging</a>
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<a href="/docs/latest/data-structures/atomic-types"
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<a href="/docs/latest/data-structures/countdownlatch"
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<a href="/docs/latest/data-structures/atomic-sequence"
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</li>
<li>
<a href="/docs/latest/data-structures/semaphore"
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</li>
<li>
<a href="/docs/latest/data-structures/id-generator"
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<article data-swiftype-index='true'>
<a class='edit-link' href="https://github.com/apache/ignite/tree/IGNITE-7595/docs/_docs/extensions-and-integrations/spring/spring-tx.adoc" target="_blank">Edit</a>
<h1>Apache Ignite with Spring Transactions</h1>
<div class="sect1">
<h2 id="overview">Overview</h2>
<div class="sectionbody">
<div class="paragraph">
<p><a href="http://docs.spring.io/spring/docs/current/spring-framework-reference/html/transaction.html" target="_blank" rel="noopener">Spring Transactions</a>
abstraction allows you to use a declarative transaction management to concentrate on business logic rather than
transaction life-cycle.</p>
</div>
<div class="paragraph">
<p>Apache Ignite provides the <code>ignite-spring-tx-ext</code> extension that allows to manage
<a href="https://ignite.apache.org/docs/latest/key-value-api/transactions#performing-transactions" target="_blank" rel="noopener">Apache Ignite Transactions</a>
through the Spring Transactions abstraction. The mentioned integration is achieved by providing implementations of the
<code>TransactionManager</code> Spring Transactions interface. There are two such implementations: <code>SpringTransactionManager</code> and
<code>IgniteClientSpringTransactionManager</code>, which use Apache Ignite node or Apache Ignite thin client to connect to the
Apache Ignite cluster and manage the Apache Ignite transactions, respectively.</p>
</div>
<div class="paragraph">
<p>To enable declarative transaction management in your Spring application, create and configure
<code>SpringTransactionManager</code> or <code>IgniteClientSpringTransactionManager</code> bean in the Spring application context. The choice
of implementation depends on your preferable way to access the Apache Ignite cluster.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="maven-configuration">Maven Configuration</h2>
<div class="sectionbody">
<div class="paragraph">
<p>If you are using Maven to manage dependencies in your project, you can add Spring Transactions extension dependencies to
the application&#8217;s <code>pom.xml</code> file like this:</p>
</div>
<div class="admonitionblock note">
<table>
<tr>
<td class="icon">
<div class="title">Note</div>
</td>
<td class="content">
<div class="paragraph">
<p>For Apache Ignite versions earlier than <code>2.11.0</code>, the <code>ignite-spring-tx-ext</code> dependency must be added to
classpath before <code>ignite-spring</code>, due to duplication of Spring Transactions integration classes. If you are using Maven
to manage dependencies, place <code>ignite-spring-tx-ext</code> before the <code>ignite-spring</code> dependency in the
application&#8217;s <code>pom.xml</code> file.</p>
</div>
</td>
</tr>
</table>
</div>
<code-tabs><code-tab data-tab='pom.xml'><div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="xml"><span class="nt">&lt;dependency&gt;</span>
<span class="nt">&lt;groupId&gt;</span>org.apache.ignite<span class="nt">&lt;/groupId&gt;</span>
<span class="nt">&lt;artifactId&gt;</span>ignite-spring-tx-ext<span class="nt">&lt;/artifactId&gt;</span>
<span class="nt">&lt;version&gt;</span>${ignite-spring-tx-ext.version}<span class="nt">&lt;/version&gt;</span>
<span class="nt">&lt;/dependency&gt;</span>
<span class="nt">&lt;dependency&gt;</span>
<span class="nt">&lt;groupId&gt;</span>org.apache.ignite<span class="nt">&lt;/groupId&gt;</span>
<span class="nt">&lt;artifactId&gt;</span>ignite-spring<span class="nt">&lt;/artifactId&gt;</span>
<span class="nt">&lt;version&gt;</span>${ignite.version}<span class="nt">&lt;/version&gt;</span>
<span class="nt">&lt;/dependency&gt;</span>
<span class="nt">&lt;dependency&gt;</span>
<span class="nt">&lt;groupId&gt;</span>org.apache.ignite<span class="nt">&lt;/groupId&gt;</span>
<span class="nt">&lt;artifactId&gt;</span>ignite-core<span class="nt">&lt;/artifactId&gt;</span>
<span class="nt">&lt;version&gt;</span>${ignite.version}<span class="nt">&lt;/version&gt;</span>
<span class="nt">&lt;/dependency&gt;</span>
<span class="nt">&lt;dependency&gt;</span>
<span class="nt">&lt;groupId&gt;</span>org.springframework<span class="nt">&lt;/groupId&gt;</span>
<span class="nt">&lt;artifactId&gt;</span>spring-tx<span class="nt">&lt;/artifactId&gt;</span>
<span class="nt">&lt;version&gt;</span>${spring.version}<span class="nt">&lt;/version&gt;</span>
<span class="nt">&lt;/dependency&gt;</span></code></pre>
</div>
</div></code-tab></code-tabs>
<div class="paragraph">
<p>Replace <code>${ignite-spring-tx-ext.version}</code>, <code>${spring.version}</code>, and
<code>${ignite.version}</code> with an actual version of Apache Ignite Spring Transactions extension, Spring Transactions, and
Apache Ignite dependency you are interested in, respectively.</p>
</div>
<div class="paragraph">
<p>The table below shows available versions of the Apache Ignite Spring Transactions extension and corresponding versions
of the Apache Ignite each one is compatible with.</p>
</div>
<table class="tableblock frame-all grid-all stripes-even stretch">
<colgroup>
<col style="width: 44.4444%;">
<col style="width: 55.5556%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Apache Ignite Spring Transactions extension version</th>
<th class="tableblock halign-left valign-top">Compatible Apache Ignite versions</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">1.0.0</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">All versions since 2.8.0</p></td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="sect1">
<h2 id="apache-ignite-node-transaction-manager-configuration">Apache Ignite Node Transaction Manager Configuration</h2>
<div class="sectionbody">
<div class="paragraph">
<p>This chapter shows how to set up <code>SpringTransactionManager</code> that relies on Apache Ignite node to connect to the cluster
and to manage transactions. The configuration consists of two steps -
<a href="/docs/latest/extensions-and-integrations/spring/spring-tx#cluster-connection-configuration">Cluster connection configuration</a>
and <a href="/docs/latest/extensions-and-integrations/spring/spring-tx#transaction-concurrency-mode-configuration">Transaction concurrency mode configuration</a>.</p>
</div>
<div class="sect2">
<h3 id="cluster-connection-configuration">Cluster Connection Configuration</h3>
<div class="paragraph">
<p>Cluster connection configuration defines Apache Ignite node that <code>SpringTransactionManager</code> uses to access the cluster.
To do this, you can use the following approaches.</p>
</div>
<div class="admonitionblock note">
<table>
<tr>
<td class="icon">
<div class="title">Note</div>
</td>
<td class="content">
<div class="paragraph">
<p>Mixing of multiple approaches is incorrect and results in the exception during the manager startup.</p>
</div>
</td>
</tr>
</table>
</div>
<h3 id="1-specifying-name-of-the-manually-started-apache-ignite-node-instance" class="discrete">1. Specifying Name of the Manually Started Apache Ignite Node Instance</h3>
<div class="paragraph">
<p>This approach is suitable if you have Apache Ignite node instance already running in your application.</p>
</div>
<code-tabs><code-tab data-tab='Java'><div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="java"><span class="nd">@Configuration</span>
<span class="nd">@EnableTransactionManagement</span>
<span class="kd">public</span> <span class="kd">class</span> <span class="nc">SpringApplicationConfiguration</span> <span class="o">{</span>
<span class="nd">@Bean</span>
<span class="kd">public</span> <span class="nc">SpringTransactionManager</span> <span class="nf">transactionManager</span><span class="o">()</span> <span class="o">{</span>
<span class="nc">SpringTransactionManager</span> <span class="n">mgr</span> <span class="o">=</span> <span class="k">new</span> <span class="nc">SpringTransactionManager</span><span class="o">();</span>
<span class="n">mgr</span><span class="o">.</span><span class="na">setIgniteInstanceName</span><span class="o">(</span><span class="s">"&lt;name of the Apache Ignite node instance&gt;"</span><span class="o">);</span>
<span class="k">return</span> <span class="n">mgr</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">}</span></code></pre>
</div>
</div></code-tab><code-tab data-tab='XML'><div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="xml"><span class="nt">&lt;beans</span> <span class="na">xmlns=</span><span class="s">"http://www.springframework.org/schema/beans"</span>
<span class="na">xmlns:xsi=</span><span class="s">"http://www.w3.org/2001/XMLSchema-instance"</span>
<span class="na">xmlns:tx=</span><span class="s">"http://www.springframework.org/schema/tx"</span>
<span class="na">xsi:schemaLocation=</span><span class="s">"
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"</span><span class="nt">&gt;</span>
<span class="err">&lt;</span>-- Provide Apache Ignite instance name. --&gt;
<span class="nt">&lt;bean</span> <span class="na">id=</span><span class="s">"transactionManager"</span> <span class="na">class=</span><span class="s">"org.apache.ignite.transactions.spring.SpringTransactionManager"</span><span class="nt">&gt;</span>
<span class="nt">&lt;property</span>
<span class="na">name=</span><span class="s">"igniteInstanceName"</span>
<span class="na">value=</span><span class="s">"&lt;name of the Apache Ignite node instance&gt;"</span><span class="nt">/&gt;</span>
<span class="nt">&lt;/bean&gt;</span>
<span class="err">&lt;</span>-- Use annotation-driven transaction configuration. --&gt;
<span class="nt">&lt;tx:annotation-driven/&gt;</span>
<span class="nt">&lt;/beans&gt;</span></code></pre>
</div>
</div></code-tab></code-tabs>
<h3 id="2-specifying-apache-ignite-node-configuration" class="discrete">2. Specifying Apache Ignite Node Configuration</h3>
<div class="paragraph">
<p>In this case, Apache Ignite node instance is started automatically by the manager based on the provided configuration.</p>
</div>
<code-tabs><code-tab data-tab='Java'><div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="java"><span class="nd">@Configuration</span>
<span class="nd">@EnableTransactionManagement</span>
<span class="kd">public</span> <span class="kd">class</span> <span class="nc">SpringApplicationConfiguration</span> <span class="o">{</span>
<span class="nd">@Bean</span>
<span class="kd">public</span> <span class="nc">SpringTransactionManager</span> <span class="nf">transactionManager</span><span class="o">()</span> <span class="o">{</span>
<span class="nc">SpringTransactionManager</span> <span class="n">mgr</span> <span class="o">=</span> <span class="k">new</span> <span class="nc">SpringTransactionManager</span><span class="o">();</span>
<span class="n">mgr</span><span class="o">.</span><span class="na">setConfiguration</span><span class="o">(</span><span class="k">new</span> <span class="nc">IgniteConfiguration</span><span class="o">()</span>
<span class="o">.</span><span class="na">setIgniteInstanceName</span><span class="o">(</span><span class="s">"&lt;name of the Ignite node instance&gt;"</span><span class="o">)</span>
<span class="c1">// Other required configuration parameters.</span>
<span class="o">);</span>
<span class="k">return</span> <span class="n">mgr</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">}</span></code></pre>
</div>
</div></code-tab><code-tab data-tab='XML'><div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="xml"><span class="nt">&lt;beans</span> <span class="na">xmlns=</span><span class="s">"http://www.springframework.org/schema/beans"</span>
<span class="na">xmlns:xsi=</span><span class="s">"http://www.w3.org/2001/XMLSchema-instance"</span>
<span class="na">xmlns:tx=</span><span class="s">"http://www.springframework.org/schema/tx"</span>
<span class="na">xsi:schemaLocation=</span><span class="s">"
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"</span><span class="nt">&gt;</span>
<span class="err">&lt;</span>-- Provide configuration bean. --&gt;
<span class="nt">&lt;bean</span> <span class="na">id=</span><span class="s">"transactionManager"</span> <span class="na">class=</span><span class="s">"org.apache.ignite.transactions.spring.SpringTransactionManager"</span><span class="nt">&gt;</span>
<span class="nt">&lt;property</span> <span class="na">name=</span><span class="s">"configuration"</span><span class="nt">&gt;</span>
<span class="nt">&lt;bean</span> <span class="na">id=</span><span class="s">"gridCfg"</span> <span class="na">class=</span><span class="s">"org.apache.ignite.configuration.IgniteConfiguration"</span><span class="nt">&gt;</span>
...
<span class="nt">&lt;/bean&gt;</span>
<span class="nt">&lt;/property&gt;</span>
<span class="nt">&lt;/bean&gt;</span>
<span class="err">&lt;</span>-- Use annotation-driven transaction configuration. --&gt;
<span class="nt">&lt;tx:annotation-driven/&gt;</span>
<span class="nt">&lt;/beans&gt;</span></code></pre>
</div>
</div></code-tab></code-tabs>
<h3 id="3-specifying-path-to-apache-ignite-xml-node-configuration-file" class="discrete">3. Specifying Path to Apache Ignite XML Node Configuration File</h3>
<div class="paragraph">
<p>In this case, Apache Ignite node instance is started automatically by the manager based on the provided configuration.</p>
</div>
<code-tabs><code-tab data-tab='Java'><div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="java"><span class="nd">@Configuration</span>
<span class="nd">@EnableTransactionManagement</span>
<span class="kd">public</span> <span class="kd">class</span> <span class="nc">SpringApplicationConfiguration</span> <span class="o">{</span>
<span class="nd">@Bean</span>
<span class="kd">public</span> <span class="nc">SpringTransactionManager</span> <span class="nf">transactionManager</span><span class="o">()</span> <span class="o">{</span>
<span class="nc">SpringTransactionManager</span> <span class="n">mgr</span> <span class="o">=</span> <span class="k">new</span> <span class="nc">SpringTransactionManager</span><span class="o">();</span>
<span class="n">mgr</span><span class="o">.</span><span class="na">setConfigurationPath</span><span class="o">(</span><span class="s">"&lt;path to an Apache Ignite configuration XML file (path can be absolute or relative to `IGNITE_HOME`)&gt;"</span><span class="o">)</span>
<span class="k">return</span> <span class="n">mgr</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">}</span></code></pre>
</div>
</div></code-tab><code-tab data-tab='XML'><div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="xml"><span class="nt">&lt;beans</span> <span class="na">xmlns=</span><span class="s">"http://www.springframework.org/schema/beans"</span>
<span class="na">xmlns:xsi=</span><span class="s">"http://www.w3.org/2001/XMLSchema-instance"</span>
<span class="na">xmlns:tx=</span><span class="s">"http://www.springframework.org/schema/tx"</span>
<span class="na">xsi:schemaLocation=</span><span class="s">"
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"</span><span class="nt">&gt;</span>
<span class="err">&lt;</span>-- Provide configuration file path. --&gt;
<span class="nt">&lt;bean</span> <span class="na">id=</span><span class="s">"transactionManager"</span> <span class="na">class=</span><span class="s">"org.apache.ignite.transactions.spring.SpringTransactionManager"</span><span class="nt">&gt;</span>
<span class="nt">&lt;property</span>
<span class="na">name=</span><span class="s">"configurationPath"</span>
<span class="na">value=</span><span class="s">"&lt;path to an Apache Ignite configuration XML file (path can be absolute or relative to `IGNITE_HOME`)"</span><span class="nt">/&gt;</span>
<span class="nt">&lt;/bean&gt;</span>
<span class="err">&lt;</span>-- Use annotation-driven transaction configuration. --&gt;
<span class="nt">&lt;tx:annotation-driven/&gt;</span>
<span class="nt">&lt;/beans&gt;</span></code></pre>
</div>
</div></code-tab></code-tabs>
<div class="admonitionblock note">
<table>
<tr>
<td class="icon">
<div class="title">Note</div>
</td>
<td class="content">
<div class="paragraph">
<p>If no connection configuration is specified, <code>SpringTransactionManager</code> uses Apache Ignite node instance with the
default name. If it does not exist, an exception is thrown during the <code>SpringTransactionManager</code> startup.</p>
</div>
</td>
</tr>
</table>
</div>
<div class="admonitionblock important">
<table>
<tr>
<td class="icon">
<div class="title">Important</div>
</td>
<td class="content">
<div class="paragraph">
<p>Regardless the configuration approach you chose, the same Apache Ignite node instance must be used to initialize the
transaction manager and perform the transactional operations. In case Apache Ignite node was started by the transaction manager,
you can obtain its instance in your application through <code>Ignition.ignite("&lt;name of the Apache Ignite node instance&gt;");</code>.</p>
</div>
</td>
</tr>
</table>
</div>
</div>
<div class="sect2">
<h3 id="transaction-concurrency-mode-configuration">Transaction Concurrency Mode Configuration</h3>
<div class="paragraph">
<p>The transaction concurrency mode configuration defines the
<a href="https://ignite.apache.org/docs/latest/key-value-api/transactions#concurrency-modes-and-isolation-levels" target="_blank" rel="noopener">Apache Ignite</a>
that a manager will apply to all transactions that it processes.</p>
</div>
<code-tabs><code-tab data-tab='Java'><div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="java"><span class="nd">@Configuration</span>
<span class="nd">@EnableTransactionManagement</span>
<span class="kd">public</span> <span class="kd">class</span> <span class="nc">SpringApplicationConfiguration</span> <span class="o">{</span>
<span class="nd">@Bean</span>
<span class="kd">public</span> <span class="nc">SpringTransactionManager</span> <span class="nf">transactionManager</span><span class="o">()</span> <span class="o">{</span>
<span class="nc">SpringTransactionManager</span> <span class="n">mgr</span> <span class="o">=</span> <span class="k">new</span> <span class="nc">SpringTransactionManager</span><span class="o">();</span>
<span class="n">mgr</span><span class="o">.</span><span class="na">setTransactionConcurrency</span><span class="o">(</span><span class="nc">TransactionConcurrency</span><span class="o">.</span><span class="na">OPTIMISTIC</span><span class="o">);</span>
<span class="k">return</span> <span class="n">mgr</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">}</span></code></pre>
</div>
</div></code-tab><code-tab data-tab='XML'><div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="xml"><span class="nt">&lt;beans</span> <span class="na">xmlns=</span><span class="s">"http://www.springframework.org/schema/beans"</span>
<span class="na">xmlns:xsi=</span><span class="s">"http://www.w3.org/2001/XMLSchema-instance"</span>
<span class="na">xmlns:tx=</span><span class="s">"http://www.springframework.org/schema/tx"</span>
<span class="na">xsi:schemaLocation=</span><span class="s">"
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"</span><span class="nt">&gt;</span>
<span class="err">&lt;</span>-- Provide Apache Ignite instance name. --&gt;
<span class="nt">&lt;bean</span> <span class="na">id=</span><span class="s">"transactionManager"</span> <span class="na">class=</span><span class="s">"org.apache.ignite.transactions.spring.SpringTransactionManager"</span><span class="nt">&gt;</span>
<span class="c">&lt;!-- Here is appropriate connection configuration. --&gt;</span>
<span class="nt">&lt;property</span> <span class="na">name=</span><span class="s">"transactionConcurrency"</span> <span class="na">value=</span><span class="s">"OPTIMISTIC"</span><span class="nt">/&gt;</span>
<span class="nt">&lt;/bean&gt;</span>
<span class="err">&lt;</span>-- Use annotation-driven transaction configuration. --&gt;
<span class="nt">&lt;tx:annotation-driven/&gt;</span>
<span class="nt">&lt;/beans&gt;</span></code></pre>
</div>
</div></code-tab></code-tabs>
<div class="admonitionblock note">
<table>
<tr>
<td class="icon">
<div class="title">Note</div>
</td>
<td class="content">
<div class="paragraph">
<p>If no transaction concurrency mode configuration is specified, <code>PESSIMISTIC</code> concurrency mode is used.</p>
</div>
</td>
</tr>
</table>
</div>
<div class="paragraph">
<p>In case you need to support multiple transaction concurrency modes in your application, create separate
transaction managers for each transaction concurrency mode that you need, and for each Spring transaction specify the
manager that will process it.</p>
</div>
<code-tabs><code-tab data-tab='Java'><div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="java"><span class="nd">@Configuration</span>
<span class="nd">@EnableTransactionManagement</span>
<span class="kd">public</span> <span class="kd">class</span> <span class="nc">SpringApplicationConfiguration</span> <span class="o">{</span>
<span class="nd">@Bean</span>
<span class="kd">public</span> <span class="nc">SpringTransactionManager</span> <span class="nf">pessimisticTransactionManager</span><span class="o">()</span> <span class="o">{</span>
<span class="nc">SpringTransactionManager</span> <span class="n">mgr</span> <span class="o">=</span> <span class="k">new</span> <span class="nc">SpringTransactionManager</span><span class="o">();</span>
<span class="n">mgr</span><span class="o">.</span><span class="na">setTransactionConcurrency</span><span class="o">(</span><span class="nc">TransactionConcurrency</span><span class="o">.</span><span class="na">PESSIMISTIC</span><span class="o">);</span>
<span class="k">return</span> <span class="n">mgr</span><span class="o">;</span>
<span class="o">}</span>
<span class="nd">@Bean</span>
<span class="kd">public</span> <span class="nc">SpringTransactionManager</span> <span class="nf">optimisticTransactionManager</span><span class="o">()</span> <span class="o">{</span>
<span class="nc">SpringTransactionManager</span> <span class="n">mgr</span> <span class="o">=</span> <span class="k">new</span> <span class="nc">SpringTransactionManager</span><span class="o">();</span>
<span class="n">mgr</span><span class="o">.</span><span class="na">setTransactionConcurrency</span><span class="o">(</span><span class="nc">TransactionConcurrency</span><span class="o">.</span><span class="na">OPTIMISTIC</span><span class="o">);</span>
<span class="k">return</span> <span class="n">mgr</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">}</span></code></pre>
</div>
</div></code-tab><code-tab data-tab='XML'><div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="xml"><span class="nt">&lt;beans</span> <span class="na">xmlns=</span><span class="s">"http://www.springframework.org/schema/beans"</span>
<span class="na">xmlns:xsi=</span><span class="s">"http://www.w3.org/2001/XMLSchema-instance"</span>
<span class="na">xmlns:tx=</span><span class="s">"http://www.springframework.org/schema/tx"</span>
<span class="na">xsi:schemaLocation=</span><span class="s">"
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"</span><span class="nt">&gt;</span>
<span class="nt">&lt;bean</span> <span class="na">id=</span><span class="s">"optimisticTransactionManager"</span> <span class="na">class=</span><span class="s">"org.apache.ignite.transactions.spring.SpringTransactionManager"</span><span class="nt">&gt;</span>
<span class="c">&lt;!-- Here is appropriate connection configuration --&gt;</span>
<span class="nt">&lt;property</span> <span class="na">name=</span><span class="s">"transactionConcurrency"</span> <span class="na">value=</span><span class="s">"OPTIMISTIC"</span><span class="nt">/&gt;</span>
<span class="nt">&lt;/bean&gt;</span>
<span class="nt">&lt;bean</span> <span class="na">id=</span><span class="s">"pessimisticTransactionManager"</span> <span class="na">class=</span><span class="s">"org.apache.ignite.transactions.spring.SpringTransactionManager"</span><span class="nt">&gt;</span>
<span class="c">&lt;!-- Here is appropriate connection configuration configuration. --&gt;</span>
<span class="nt">&lt;property</span> <span class="na">name=</span><span class="s">"transactionConcurrency"</span> <span class="na">value=</span><span class="s">"PESSIMISTIC"</span><span class="nt">/&gt;</span>
<span class="nt">&lt;/bean&gt;</span>
<span class="err">&lt;</span>-- Use annotation-driven transaction configuration. --&gt;
<span class="nt">&lt;tx:annotation-driven/&gt;</span>
<span class="nt">&lt;/beans&gt;</span></code></pre>
</div>
</div></code-tab></code-tabs>
<div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="java"><span class="kd">public</span> <span class="kd">class</span> <span class="nc">TransactionalService</span> <span class="o">{</span>
<span class="nd">@Transactional</span><span class="o">(</span><span class="s">"optimisticTransactionManager"</span><span class="o">)</span>
<span class="kd">public</span> <span class="kt">void</span> <span class="nf">doOptimistically</span><span class="o">()</span> <span class="o">{</span>
<span class="c1">// Method body.</span>
<span class="o">}</span>
<span class="nd">@Transactional</span><span class="o">(</span><span class="s">"pessimisticTransactionManager"</span><span class="o">)</span>
<span class="kd">public</span> <span class="kt">void</span> <span class="nf">doPessimistically</span><span class="o">()</span> <span class="o">{</span>
<span class="c1">// Method body.</span>
<span class="o">}</span>
<span class="o">}</span></code></pre>
</div>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="apache-ignite-thin-client-transaction-manager-configuration">Apache Ignite Thin Client Transaction Manager Configuration</h2>
<div class="sectionbody">
<div class="paragraph">
<p>This chapter shows how to set up <code>IgniteClientSpringTransactionManager</code> that relies on Ignite thin client to connect
to the cluster and manage transactions.</p>
</div>
<div class="sect2">
<h3 id="cluster-connection-configuration-2">Cluster Connection Configuration</h3>
<div class="paragraph">
<p>Cluster connection configuration defines Apache Ignite thin client instance that <code>IgniteClientSpringTransactionManager</code>
uses to access the cluster.</p>
</div>
<code-tabs><code-tab data-tab='Java'><div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="java"><span class="nd">@Configuration</span>
<span class="nd">@EnableTransactionManagement</span>
<span class="kd">public</span> <span class="kd">static</span> <span class="kd">class</span> <span class="nc">SpringApplicationConfiguration</span> <span class="o">{</span>
<span class="nd">@Bean</span>
<span class="kd">public</span> <span class="nc">IgniteClient</span> <span class="nf">igniteClient</span><span class="o">()</span> <span class="o">{</span>
<span class="k">return</span> <span class="nc">Ignition</span><span class="o">.</span><span class="na">startClient</span><span class="o">(</span><span class="k">new</span> <span class="nc">ClientConfiguration</span><span class="o">().</span><span class="na">setAddresses</span><span class="o">(</span><span class="err">"</span><span class="mf">127.0</span><span class="o">.</span><span class="mf">0.1</span><span class="o">:</span><span class="mi">10800</span><span class="o">));</span>
<span class="o">}</span>
<span class="nd">@Bean</span>
<span class="kd">public</span> <span class="nc">IgniteClientSpringTransactionManager</span> <span class="nf">transactionManager</span><span class="o">(</span><span class="nc">IgniteClient</span> <span class="n">cli</span><span class="o">)</span> <span class="o">{</span>
<span class="nc">IgniteClientSpringTransactionManager</span> <span class="n">mgr</span> <span class="o">=</span> <span class="k">new</span> <span class="nc">IgniteClientSpringTransactionManager</span><span class="o">();</span>
<span class="n">mgr</span><span class="o">.</span><span class="na">setClientInstance</span><span class="o">(</span><span class="n">cli</span><span class="o">);</span>
<span class="k">return</span> <span class="n">mgr</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">}</span></code></pre>
</div>
</div></code-tab><code-tab data-tab='XML'><div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="xml"><span class="nt">&lt;beans</span> <span class="na">xmlns=</span><span class="s">"http://www.springframework.org/schema/beans"</span>
<span class="na">xmlns:xsi=</span><span class="s">"http://www.w3.org/2001/XMLSchema-instance"</span>
<span class="na">xmlns:tx=</span><span class="s">"http://www.springframework.org/schema/tx"</span>
<span class="na">xsi:schemaLocation=</span><span class="s">"
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"</span><span class="nt">&gt;</span>
<span class="c">&lt;!--
Note that org.apache.ignite.IgniteClientSpringBean is available since Apache Ignite 2.11.0 version.
For Apache Ignite versions earlier than 2.11.0 org.apache.ignite.client.IgniteClient bean should be created
manually with concern of its connection to the Ignite cluster.
--&gt;</span>
<span class="nt">&lt;bean</span> <span class="na">id=</span><span class="s">"igniteClient"</span> <span class="na">class=</span><span class="s">"org.apache.ignite.IgniteClientSpringBean"</span><span class="nt">&gt;</span>
<span class="nt">&lt;property</span> <span class="na">name=</span><span class="s">"clientConfiguration"</span><span class="nt">&gt;</span>
<span class="nt">&lt;bean</span> <span class="na">class=</span><span class="s">"org.apache.ignite.configuration.ClientConfiguration"</span><span class="nt">&gt;</span>
<span class="nt">&lt;property</span> <span class="na">name=</span><span class="s">"addresses"</span><span class="nt">&gt;</span>
<span class="nt">&lt;list&gt;</span>
<span class="nt">&lt;value&gt;</span>127.0.0.1:10800<span class="nt">&lt;/value&gt;</span>
<span class="nt">&lt;/list&gt;</span>
<span class="nt">&lt;/property&gt;</span>
<span class="nt">&lt;/bean&gt;</span>
<span class="nt">&lt;/property&gt;</span>
<span class="nt">&lt;/bean&gt;</span>
<span class="err">&lt;</span>-- Provide Apache Ignite client instance. --&gt;
<span class="nt">&lt;bean</span> <span class="na">id=</span><span class="s">"transactionManager"</span> <span class="na">class=</span><span class="s">"org.apache.ignite.transactions.spring.IgniteClientSpringTransactionManager"</span><span class="nt">&gt;</span>
<span class="nt">&lt;property</span> <span class="na">name=</span><span class="s">"clientInstance"</span> <span class="na">ref=</span><span class="s">"igniteClientBean"</span><span class="nt">/&gt;</span>
<span class="nt">&lt;/bean&gt;</span>
<span class="err">&lt;</span>-- Use annotation-driven transaction configuration. --&gt;
<span class="nt">&lt;tx:annotation-driven/&gt;</span>
<span class="nt">&lt;/beans&gt;</span></code></pre>
</div>
</div></code-tab></code-tabs>
<div class="admonitionblock important">
<table>
<tr>
<td class="icon">
<div class="title">Important</div>
</td>
<td class="content">
<div class="paragraph">
<p>The same Apache Ignite thin client instance must be used to initialize the transaction manager and to perform
transactional operations.</p>
</div>
</td>
</tr>
</table>
</div>
</div>
<div class="sect2">
<h3 id="transaction-concurrency-mode-configuration-2">Transaction Concurrency Mode Configuration</h3>
<div class="paragraph">
<p>Transaction concurrency mode configuration for <code>IgniteClientSpringTransactionManager</code> is performed the same way as for
<a href="/docs/latest/extensions-and-integrations/spring/spring-tx#transaction-concurrency-mode-configuration">SpringTransactionManager</a>
that uses Apache Ignite node instance to access the cluster.</p>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="examples">Examples</h2>
<div class="sectionbody">
<div class="paragraph">
<p>The example of using Apache Ignite Spring Transactions integration is available on <a href="https://github.com/apache/ignite-extensions/tree/master/modules/spring-tx-ext/examples/main/java/org/apache/ignite/transactions/spring/examples" target="_blank" rel="noopener">GitHub</a>.</p>
</div>
</div>
</div>
<div class="copyright">
© 2021 The Apache Software Foundation.<br/>
Apache, Apache Ignite, the Apache feather and the Apache Ignite logo are either registered trademarks or trademarks of The Apache Software Foundation.
</div>
</article>
<nav class="right-nav" data-swiftype-index='false'>
<div class="toc-wrapper">
<ul class="sectlevel1">
<li><a href="#overview">Overview</a></li>
<li><a href="#maven-configuration">Maven Configuration</a></li>
<li><a href="#apache-ignite-node-transaction-manager-configuration">Apache Ignite Node Transaction Manager Configuration</a>
<ul class="sectlevel2">
<li><a href="#cluster-connection-configuration">Cluster Connection Configuration</a></li>
<li><a href="#transaction-concurrency-mode-configuration">Transaction Concurrency Mode Configuration</a></li>
</ul>
</li>
<li><a href="#apache-ignite-thin-client-transaction-manager-configuration">Apache Ignite Thin Client Transaction Manager Configuration</a>
<ul class="sectlevel2">
<li><a href="#cluster-connection-configuration-2">Cluster Connection Configuration</a></li>
<li><a href="#transaction-concurrency-mode-configuration-2">Transaction Concurrency Mode Configuration</a></li>
</ul>
</li>
<li><a href="#examples">Examples</a></li>
</ul>
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