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| <pre>public interface <span class="typeNameLabel">DoAsRemoteUserCallback</span></pre> |
| <div class="block">A callback which the server can invoke to allow implementations to control additional logic |
| about whether or not a client from a specific host should be run. |
| <p>For example, complex logic could be supplied to control whether clientA from host1 is |
| permitted to execute queries. This logic is deferred upon the user to implement.</div> |
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| <td class="colFirst"><code><T> T</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/avatica/server/DoAsRemoteUserCallback.html#doAsRemoteUser-java.lang.String-java.lang.String-java.util.concurrent.Callable-">doAsRemoteUser</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> remoteUserName, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> remoteAddress, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Callable.html?is-external=true" title="class or interface in java.util.concurrent">Callable</a><T> action)</code> |
| <div class="block">Invokes the given <code>action</code> as the <code>remoteUserName</code>.</div> |
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| <h4>doAsRemoteUser</h4> |
| <pre><T> T doAsRemoteUser(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> remoteUserName, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> remoteAddress, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Callable.html?is-external=true" title="class or interface in java.util.concurrent">Callable</a><T> action) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre> |
| <div class="block">Invokes the given <code>action</code> as the <code>remoteUserName</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>remoteUserName</code> - The remote user making a request to the Avatica server.</dd> |
| <dd><code>remoteAddress</code> - The address the remote user is making the request from.</dd> |
| <dd><code>action</code> - The operation the Avatica server wants to run as <code>remoteUserName</code>.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The result from the Callable.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
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