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| <div class="subTitle">org.apache.olingo.server.api.etag</div> | |
| <h2 title="Interface ServiceMetadataETagSupport" class="title">Interface ServiceMetadataETagSupport</h2> | |
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| <pre>public interface <span class="typeNameLabel">ServiceMetadataETagSupport</span></pre> | |
| <div class="block">Register implementations for this interface in oder to support etags for the metadata document and service document.</div> | |
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| <td class="colFirst"><code><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/server/api/etag/ServiceMetadataETagSupport.html#getMetadataETag--">getMetadataETag</a></span>()</code> | |
| <div class="block">Since the Olingo library cannot generate a metadata document etag in a generic way we call this method to retrieve | |
| an application specific etag for the metadata document.</div> | |
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| <td class="colFirst"><code><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/server/api/etag/ServiceMetadataETagSupport.html#getServiceDocumentETag--">getServiceDocumentETag</a></span>()</code> | |
| <div class="block">Since the Olingo library cannot generate a service document etag in a generic way we call this method to retrieve | |
| an application specific etag for the service document.</div> | |
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| <h4>getMetadataETag</h4> | |
| <pre><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> getMetadataETag()</pre> | |
| <div class="block">Since the Olingo library cannot generate a metadata document etag in a generic way we call this method to retrieve | |
| an application specific etag for the metadata document. If this interface is registered applications can return an | |
| etag or null here to provide caching support for clients. If a client sends a GET request to the metadata document | |
| and this method delivers an etag we will match it to the request. If there has been no modification we will return | |
| a 304 NOT MODIFIED status code. If this interface is not registered or delivers null we just send back the usual | |
| metadata response.</div> | |
| <dl> | |
| <dt><span class="returnLabel">Returns:</span></dt> | |
| <dd>the application generated etag for the metadata document</dd> | |
| </dl> | |
| </li> | |
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| <h4>getServiceDocumentETag</h4> | |
| <pre><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> getServiceDocumentETag()</pre> | |
| <div class="block">Since the Olingo library cannot generate a service document etag in a generic way we call this method to retrieve | |
| an application specific etag for the service document. If this interface is registered applications can return an | |
| etag or null here to provide caching support for clients. If a client sends a GET request to the service document | |
| and this method delivers an etag we will match it to the request. If there has been no modification we will return | |
| a 304 NOT MODIFIED status code. If this interface is not registered or delivers null we just send back the usual | |
| service document response.</div> | |
| <dl> | |
| <dt><span class="returnLabel">Returns:</span></dt> | |
| <dd>the application generated etag for the service document</dd> | |
| </dl> | |
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