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<h1 title="Package" class="title">Package&nbsp;org.apache.olingo.odata2.api</h1>
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<div class="block">OData Library API</div>
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<p>See:&nbsp;<a href="#package.description">Description</a></p>
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<th class="colFirst" scope="col">Interface</th>
<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><a href="../../../../../org/apache/olingo/odata2/api/ODataCallback.html" title="interface in org.apache.olingo.odata2.api">ODataCallback</a></td>
<td class="colLast">
<div class="block">Common OData callback interface.</div>
</td>
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<td class="colFirst"><a href="../../../../../org/apache/olingo/odata2/api/ODataDebugCallback.html" title="interface in org.apache.olingo.odata2.api">ODataDebugCallback</a></td>
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<td class="colFirst"><a href="../../../../../org/apache/olingo/odata2/api/ODataDebugResponseWrapperCallback.html" title="interface in org.apache.olingo.odata2.api">ODataDebugResponseWrapperCallback</a></td>
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<div class="block">Debug handler.</div>
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<td class="colFirst"><a href="../../../../../org/apache/olingo/odata2/api/ODataService.html" title="interface in org.apache.olingo.odata2.api">ODataService</a></td>
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<div class="block">Root interface for a custom OData service.</div>
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<td class="colFirst"><a href="../../../../../org/apache/olingo/odata2/api/ODataServiceFactory.html" title="class in org.apache.olingo.odata2.api">ODataServiceFactory</a></td>
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<div class="block">Creates instance of custom OData service.</div>
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<td class="colFirst"><a href="../../../../../org/apache/olingo/odata2/api/ODataServiceVersion.html" title="class in org.apache.olingo.odata2.api">ODataServiceVersion</a></td>
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<div class="block">This class is a container for the supported ODataServiceVersions.</div>
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<h2 title="Package org.apache.olingo.odata2.api Description">Package org.apache.olingo.odata2.api Description</h2>
<div class="block">OData Library API
<p>
OData Library is a protocol implementation of the OData V2.0 standard. For details of this standard
see <a href="http://odata.org">odata.org</a>.
<p>
This API is intended to implement an OData service. An OData service consists of a metadata provider
implementation and an OData processor implementation.
<p>
An OData service can be exposed by a web application. For the runntime one JAX-RS
implementation is needed and the core implementation library of this API. Apache CXF for example is
one such JAX-RS implementation.
<p>
Entry point to the service is a JAX-RS servlet. At this servlet init parameters for a
<code>ODataServiceFactory</code>
is configured. The parameter <code>javax.ws.rs.Application</code> is a default by JAX-RS and has to be present
always.
<p>
<pre> <code>
&lt;?xml version="1.0" encoding="UTF-8"?&gt;
&lt;web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
id="WebApp_ID" version="2.5"&gt;
&lt;display-name&gt;Example OData Service&lt;/display-name&gt;
&lt;servlet&gt;
&lt;servlet-name&gt;MyODataServlet&lt;/servlet-name&gt;
&lt;servlet-class&gt;org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet&lt;/servlet-class&gt;
&lt;init-param&gt;
&lt;param-name&gt;javax.ws.rs.Application&lt;/param-name&gt;
&lt;param-value&gt;org.apache.olingo.odata2.core.rest.app.ODataApplication&lt;/param-value&gt;
&lt;/init-param&gt;
&lt;init-param&gt;
&lt;param-name&gt;org.apache.olingo.odata2.service.factory&lt;/param-name&gt;
&lt;param-value&gt;com.sample.service.MyServiceFactory&lt;/param-value&gt;
&lt;/init-param&gt;
&lt;load-on-startup&gt;1&lt;/load-on-startup&gt;
&lt;/servlet&gt;
&lt;servlet-mapping&gt;
&lt;servlet-name&gt;MyODataServlet&lt;/servlet-name&gt;
&lt;url-pattern&gt;/MyService.svc/*&lt;/url-pattern&gt;
&lt;/servlet-mapping&gt;
&lt;/web-app&gt;
</code> </pre>
<p>
This factory produces the service, a metadata provider and the data processor. The provider, typically
a derivative of the class <code>EdmProvider</code> provides the metadata of the service. The processor implements a
variety of service interfaces, and provides the data of the service. The processor is typically
a derivative of the class <code>ODataSingleProcessor</code> which can be used together with the class
<code>ODataSingleService</code>.</div>
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