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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.qpid.protonj2.engine</a></div>
<h2 title="Interface Transaction" class="title">Interface Transaction&lt;E extends <a href="Endpoint.html" title="interface in org.apache.qpid.protonj2.engine">Endpoint</a>&lt;?&gt;&gt;</h2>
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<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>E</code> - The parent of this Transaction either a <a href="TransactionController.html" title="interface in org.apache.qpid.protonj2.engine"><code>TransactionController</code></a> or <a href="TransactionManager.html" title="interface in org.apache.qpid.protonj2.engine"><code>TransactionManager</code></a></dd>
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<dt>All Known Implementing Classes:</dt>
<dd><code><a href="impl/ProtonTransaction.html" title="class in org.apache.qpid.protonj2.engine.impl">ProtonTransaction</a></code></dd>
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<hr>
<pre>public interface <span class="typeNameLabel">Transaction&lt;E extends <a href="Endpoint.html" title="interface in org.apache.qpid.protonj2.engine">Endpoint</a>&lt;?&gt;&gt;</span></pre>
<div class="block">A Transaction object that hold information and context for a single <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a>.</div>
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</tr>
<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="Transaction.DischargeState.html" title="enum in org.apache.qpid.protonj2.engine">Transaction.DischargeState</a></span></code></th>
<td class="colLast">
<div class="block">Provides state for this <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a>.</div>
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<th class="colSecond" scope="col">Method</th>
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<td class="colFirst"><code><a href="Attachments.html" title="interface in org.apache.qpid.protonj2.engine">Attachments</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAttachments()">getAttachments</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="../types/transport/ErrorCondition.html" title="class in org.apache.qpid.protonj2.types.transport">ErrorCondition</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCondition()">getCondition</a></span>()</code></th>
<td class="colLast">
<div class="block">If the declare or discharge of the transaction caused its state to become <a href="TransactionState.html" title="enum in org.apache.qpid.protonj2.engine"><code>TransactionState</code></a> FAILED
this method returns the <a href="../types/transport/ErrorCondition.html" title="class in org.apache.qpid.protonj2.types.transport"><code>ErrorCondition</code></a> that the remote used to describe the reason for the failure.</div>
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<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="Transaction.DischargeState.html" title="enum in org.apache.qpid.protonj2.engine">Transaction.DischargeState</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getDischargeState()">getDischargeState</a></span>()</code></th>
<td class="colLast">
<div class="block">For a <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a> that has either been requested to discharge or has successfully
discharged the <a href="Transaction.DischargeState.html" title="enum in org.apache.qpid.protonj2.engine"><code>Transaction.DischargeState</code></a> reflects whether the transaction was to be committed or
rolled back.</div>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getLinkedResource()">getLinkedResource</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>&lt;T&gt;&nbsp;T</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getLinkedResource(java.lang.Class)">getLinkedResource</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>&lt;T&gt;&nbsp;typeClass)</code></th>
<td class="colLast">
<div class="block">Gets the linked resource (if set) and returns it using the type information
provided to cast the returned value.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="TransactionState.html" title="enum in org.apache.qpid.protonj2.engine">TransactionState</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getState()">getState</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../types/Binary.html" title="class in org.apache.qpid.protonj2.types">Binary</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTxnId()">getTxnId</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the transaction Id that is associated with the declared transaction.</div>
</td>
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<tr id="i7" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isDeclared()">isDeclared</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isDischarged()">isDischarged</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isFailed()">isFailed</a></span>()</code></th>
<td class="colLast">
<div class="block">The parent resource will mark the <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a> as failed is any of the operations performed on
it cannot be successfully completed such as a <a href="../types/transactions/Declare.html" title="class in org.apache.qpid.protonj2.types.transactions"><code>Declare</code></a> operation failing to write due to an IO
error.</div>
</td>
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<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="Transaction.html" title="type parameter in Transaction">E</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#parent()">parent</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns a reference to the parent of this <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a> which will be either a
<a href="TransactionController.html" title="interface in org.apache.qpid.protonj2.engine"><code>TransactionController</code></a> or a <a href="TransactionManager.html" title="interface in org.apache.qpid.protonj2.engine"><code>TransactionManager</code></a> manager depending on the
end of the <a href="Link.html" title="interface in org.apache.qpid.protonj2.engine"><code>Link</code></a> that is operating on the <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a>.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setLinkedResource(java.lang.Object)">setLinkedResource</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>&nbsp;resource)</code></th>
<td class="colLast">
<div class="block">Links a given resource to this <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a>.</div>
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<h4>getState</h4>
<pre class="methodSignature"><a href="TransactionState.html" title="enum in org.apache.qpid.protonj2.engine">TransactionState</a>&nbsp;getState()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the current <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a> state.</dd>
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<pre class="methodSignature"><a href="Transaction.DischargeState.html" title="enum in org.apache.qpid.protonj2.engine">Transaction.DischargeState</a>&nbsp;getDischargeState()</pre>
<div class="block">For a <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a> that has either been requested to discharge or has successfully
discharged the <a href="Transaction.DischargeState.html" title="enum in org.apache.qpid.protonj2.engine"><code>Transaction.DischargeState</code></a> reflects whether the transaction was to be committed or
rolled back. Prior to a discharge being attempted there is no state value and this method
returns a <a href="Transaction.DischargeState.html" title="enum in org.apache.qpid.protonj2.engine"><code>Transaction.DischargeState</code></a> of none.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the current <a href="Transaction.DischargeState.html" title="enum in org.apache.qpid.protonj2.engine"><code>Transaction.DischargeState</code></a> of the transaction.</dd>
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<pre class="methodSignature">boolean&nbsp;isDeclared()</pre>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a> has been marked declared by the <a href="TransactionManager.html" title="interface in org.apache.qpid.protonj2.engine"><code>TransactionManager</code></a>.</dd>
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<pre class="methodSignature">boolean&nbsp;isDischarged()</pre>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a> has been marked discharged by the <a href="TransactionManager.html" title="interface in org.apache.qpid.protonj2.engine"><code>TransactionManager</code></a>.</dd>
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<pre class="methodSignature">boolean&nbsp;isFailed()</pre>
<div class="block">The parent resource will mark the <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a> as failed is any of the operations performed on
it cannot be successfully completed such as a <a href="../types/transactions/Declare.html" title="class in org.apache.qpid.protonj2.types.transactions"><code>Declare</code></a> operation failing to write due to an IO
error.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a> has been marked failed by the parent resource.</dd>
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<h4>getCondition</h4>
<pre class="methodSignature"><a href="../types/transport/ErrorCondition.html" title="class in org.apache.qpid.protonj2.types.transport">ErrorCondition</a>&nbsp;getCondition()</pre>
<div class="block">If the declare or discharge of the transaction caused its state to become <a href="TransactionState.html" title="enum in org.apache.qpid.protonj2.engine"><code>TransactionState</code></a> FAILED
this method returns the <a href="../types/transport/ErrorCondition.html" title="class in org.apache.qpid.protonj2.types.transport"><code>ErrorCondition</code></a> that the remote used to describe the reason for the failure.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the <a href="../types/transport/ErrorCondition.html" title="class in org.apache.qpid.protonj2.types.transport"><code>ErrorCondition</code></a> that the <a href="TransactionManager.html" title="interface in org.apache.qpid.protonj2.engine"><code>TransactionManager</code></a> used to fail the <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a>.</dd>
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<h4>parent</h4>
<pre class="methodSignature"><a href="Transaction.html" title="type parameter in Transaction">E</a>&nbsp;parent()</pre>
<div class="block">Returns a reference to the parent of this <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a> which will be either a
<a href="TransactionController.html" title="interface in org.apache.qpid.protonj2.engine"><code>TransactionController</code></a> or a <a href="TransactionManager.html" title="interface in org.apache.qpid.protonj2.engine"><code>TransactionManager</code></a> manager depending on the
end of the <a href="Link.html" title="interface in org.apache.qpid.protonj2.engine"><code>Link</code></a> that is operating on the <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a>.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a reference to the parent of this <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a>.</dd>
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<h4>getTxnId</h4>
<pre class="methodSignature"><a href="../types/Binary.html" title="class in org.apache.qpid.protonj2.types">Binary</a>&nbsp;getTxnId()</pre>
<div class="block">Returns the transaction Id that is associated with the declared transaction. Prior to a
<a href="TransactionManager.html" title="interface in org.apache.qpid.protonj2.engine"><code>TransactionManager</code></a> completing a transaction declaration this method will return
null to indicate that the transaction has not been declared yet.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the transaction Id associated with the transaction once successfully declared.</dd>
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<h4>getAttachments</h4>
<pre class="methodSignature"><a href="Attachments.html" title="interface in org.apache.qpid.protonj2.engine">Attachments</a>&nbsp;getAttachments()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the <a href="Attachments.html" title="interface in org.apache.qpid.protonj2.engine"><code>Attachments</code></a> instance that is associated with this <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a></dd>
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<h4>setLinkedResource</h4>
<pre class="methodSignature">void&nbsp;setLinkedResource&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>&nbsp;resource)</pre>
<div class="block">Links a given resource to this <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>resource</code> - The resource to link to this <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a>.</dd>
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<h4>getLinkedResource</h4>
<pre class="methodSignature"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>&nbsp;getLinkedResource()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the user set linked resource for this <a href="Transaction.html" title="interface in org.apache.qpid.protonj2.engine"><code>Transaction</code></a> instance.</dd>
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<h4>getLinkedResource</h4>
<pre class="methodSignature">&lt;T&gt;&nbsp;T&nbsp;getLinkedResource&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>&lt;T&gt;&nbsp;typeClass)</pre>
<div class="block">Gets the linked resource (if set) and returns it using the type information
provided to cast the returned value.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - The type to cast the linked resource to if one is set.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>typeClass</code> - the type's Class which is used for casting the returned value.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the user set linked resource for this Context instance.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/ClassCastException.html?is-external=true" title="class or interface in java.lang" class="externalLink">ClassCastException</a></code> - if the linked resource cannot be cast to the type requested.</dd>
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