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| <pre>public interface <span class="typeNameLabel">StateRequestHandler</span></pre> |
| <div class="block">Handler for <code>StateRequests</code>.</div> |
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| <td class="colFirst"><code>default java.lang.Iterable<org.apache.beam.model.fnexecution.v1.BeamFnApi.ProcessBundleRequest.CacheToken></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/runners/fnexecution/state/StateRequestHandler.html#getCacheTokens--">getCacheTokens</a></span>()</code> |
| <div class="block">Retrieves a list of valid cache tokens.</div> |
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| <td class="colFirst"><code>java.util.concurrent.CompletionStage<org.apache.beam.model.fnexecution.v1.BeamFnApi.StateResponse.Builder></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/runners/fnexecution/state/StateRequestHandler.html#handle-org.apache.beam.model.fnexecution.v1.BeamFnApi.StateRequest-">handle</a></span>(org.apache.beam.model.fnexecution.v1.BeamFnApi.StateRequest request)</code> |
| <div class="block">Handle a <code>BeamFnApi.StateRequest</code> asynchronously.</div> |
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| <td class="colFirst"><code>static <a href="../../../../../../org/apache/beam/runners/fnexecution/state/StateRequestHandler.html" title="interface in org.apache.beam.runners.fnexecution.state">StateRequestHandler</a></code></td> |
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| <h4>handle</h4> |
| <pre>java.util.concurrent.CompletionStage<org.apache.beam.model.fnexecution.v1.BeamFnApi.StateResponse.Builder> handle(org.apache.beam.model.fnexecution.v1.BeamFnApi.StateRequest request) |
| throws java.lang.Exception</pre> |
| <div class="block">Handle a <code>BeamFnApi.StateRequest</code> asynchronously. |
| |
| <p>The handler is allowed to complete the future within the callers thread if it can be |
| completed without blocking. Otherwise the caller should delegate to another thread to perform |
| any blocking work completing the future when able. |
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| <p>Throwing an error during handling will complete the handler result <code>CompletionStage</code> |
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| <pre>default java.lang.Iterable<org.apache.beam.model.fnexecution.v1.BeamFnApi.ProcessBundleRequest.CacheToken> getCacheTokens()</pre> |
| <div class="block">Retrieves a list of valid cache tokens.</div> |
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| <pre>static <a href="../../../../../../org/apache/beam/runners/fnexecution/state/StateRequestHandler.html" title="interface in org.apache.beam.runners.fnexecution.state">StateRequestHandler</a> unsupported()</pre> |
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