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<div class="subTitle">org.apache.olingo.odata2.jpa.processor.api</div>
<h2 title="Class ODataJPATombstoneEntityListener" class="title">Class ODataJPATombstoneEntityListener</h2>
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<li>org.apache.olingo.odata2.jpa.processor.api.ODataJPATombstoneEntityListener</li>
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<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../../../org/apache/olingo/odata2/jpa/processor/api/ODataJPAQueryExtensionEntityListener.html" title="class in org.apache.olingo.odata2.jpa.processor.api">ODataJPAQueryExtensionEntityListener</a>, <a href="../../../../../../../org/apache/olingo/odata2/jpa/processor/ref/listeners/SalesOrderItemTombstoneListener.html" title="class in org.apache.olingo.odata2.jpa.processor.ref.listeners">SalesOrderItemTombstoneListener</a>, <a href="../../../../../../../org/apache/olingo/odata2/jpa/processor/ref/listeners/SalesOrderTombstoneListener.html" title="class in org.apache.olingo.odata2.jpa.processor.ref.listeners">SalesOrderTombstoneListener</a></dd>
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<pre>public abstract class <span class="typeNameLabel">ODataJPATombstoneEntityListener</span>
extends <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">Extend this class and implement a JPA Entity Listener as specified in JSR 317 Java Persistence 2.0.
The class provides abstract methods that shall be implemented by JPA application to handle OData Tombstone features.
The implemented JPA Entity Listener classes will be called back from OData JPA Processor Library.</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/olingo/odata2/jpa/processor/api/ODataJPATombstoneEntityListener.html#ODataJPATombstoneEntityListener--">ODataJPATombstoneEntityListener</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/olingo/odata2/jpa/processor/api/ODataJPATombstoneEntityListener.html#addToDelta-java.lang.Object-java.lang.String-">addToDelta</a></span>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;entity,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;entityName)</code>&nbsp;</td>
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<td class="colFirst"><code>abstract <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/olingo/odata2/jpa/processor/api/ODataJPATombstoneEntityListener.html#generateDeltaToken-java.util.List-javax.persistence.Query-">generateDeltaToken</a></span>(<a href="http://docs.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;deltas,
javax.persistence.Query&nbsp;query)</code>
<div class="block">Implement this method to create a delta token.</div>
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<td class="colFirst"><code>abstract javax.persistence.Query</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/olingo/odata2/jpa/processor/api/ODataJPATombstoneEntityListener.html#getQuery-org.apache.olingo.odata2.api.uri.info.GetEntitySetUriInfo-javax.persistence.EntityManager-">getQuery</a></span>(<a href="../../../../../../../org/apache/olingo/odata2/api/uri/info/GetEntitySetUriInfo.html" title="interface in org.apache.olingo.odata2.api.uri.info">GetEntitySetUriInfo</a>&nbsp;resultsView,
javax.persistence.EntityManager&nbsp;em)</code>
<div class="block">Implement this method to create a <code>Query</code> object.</div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/olingo/odata2/jpa/processor/api/ODataJPATombstoneEntityListener.html#isTombstoneSupported--">isTombstoneSupported</a></span>()</code>
<div class="block">Implement this method to indicate whether the extended class can handle OData Tombstone feature as well</div>
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<h4>ODataJPATombstoneEntityListener</h4>
<pre>public&nbsp;ODataJPATombstoneEntityListener()</pre>
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<h4>addToDelta</h4>
<pre>protected final&nbsp;void&nbsp;addToDelta(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;entity,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;entityName)</pre>
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<a name="getQuery-org.apache.olingo.odata2.api.uri.info.GetEntitySetUriInfo-javax.persistence.EntityManager-">
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<h4>getQuery</h4>
<pre>public abstract&nbsp;javax.persistence.Query&nbsp;getQuery(<a href="../../../../../../../org/apache/olingo/odata2/api/uri/info/GetEntitySetUriInfo.html" title="interface in org.apache.olingo.odata2.api.uri.info">GetEntitySetUriInfo</a>&nbsp;resultsView,
javax.persistence.EntityManager&nbsp;em)
throws <a href="../../../../../../../org/apache/olingo/odata2/jpa/processor/api/exception/ODataJPARuntimeException.html" title="class in org.apache.olingo.odata2.jpa.processor.api.exception">ODataJPARuntimeException</a></pre>
<div class="block">Implement this method to create a <code>Query</code> object. The Query object can be created from
OData requests. The query instance thus created can be used for handling delta JPA entities. The delta token passed
from OData request can
be accessed from <code>com.sap.core.odata.processor.api.jpa.ODataJPATombstoneContext</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>resultsView</code> - is a reference to OData request</dd>
<dd><code>em</code> - is a reference to <code>EntityManager</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an instance of type <code>Query</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../../org/apache/olingo/odata2/jpa/processor/api/exception/ODataJPARuntimeException.html" title="class in org.apache.olingo.odata2.jpa.processor.api.exception">ODataJPARuntimeException</a></code></dd>
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<h4>generateDeltaToken</h4>
<pre>public abstract&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;generateDeltaToken(<a href="http://docs.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;deltas,
javax.persistence.Query&nbsp;query)</pre>
<div class="block">Implement this method to create a delta token.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>deltas</code> - is list of delta JPA Entities</dd>
<dd><code>query</code> - is an instance of type <code>Query</code> that was used for handling delta entites</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a delta token of type String</dd>
</dl>
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<h4>isTombstoneSupported</h4>
<pre>public&nbsp;boolean&nbsp;isTombstoneSupported()</pre>
<div class="block">Implement this method to indicate whether the extended class can handle OData Tombstone feature as well</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true by default</dd>
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