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| <div class="section" id="module-apache_beam.io.gcp.datastore.v1new.helper"> |
| <span id="apache-beam-io-gcp-datastore-v1new-helper-module"></span><h1>apache_beam.io.gcp.datastore.v1new.helper module<a class="headerlink" href="#module-apache_beam.io.gcp.datastore.v1new.helper" title="Permalink to this headline">¶</a></h1> |
| <p>Cloud Datastore client and test functions.</p> |
| <p>For internal use only; no backwards-compatibility guarantees.</p> |
| <dl class="function"> |
| <dt id="apache_beam.io.gcp.datastore.v1new.helper.get_client"> |
| <code class="descclassname">apache_beam.io.gcp.datastore.v1new.helper.</code><code class="descname">get_client</code><span class="sig-paren">(</span><em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/gcp/datastore/v1new/helper.html#get_client"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.gcp.datastore.v1new.helper.get_client" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Returns a Cloud Datastore client.</p> |
| </dd></dl> |
| |
| <dl class="function"> |
| <dt id="apache_beam.io.gcp.datastore.v1new.helper.retry_on_rpc_error"> |
| <code class="descclassname">apache_beam.io.gcp.datastore.v1new.helper.</code><code class="descname">retry_on_rpc_error</code><span class="sig-paren">(</span><em>exception</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/gcp/datastore/v1new/helper.html#retry_on_rpc_error"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.gcp.datastore.v1new.helper.retry_on_rpc_error" title="Permalink to this definition">¶</a></dt> |
| <dd><p>A retry filter for Cloud Datastore RPCErrors.</p> |
| </dd></dl> |
| |
| <dl class="function"> |
| <dt id="apache_beam.io.gcp.datastore.v1new.helper.write_mutations"> |
| <code class="descclassname">apache_beam.io.gcp.datastore.v1new.helper.</code><code class="descname">write_mutations</code><span class="sig-paren">(</span><em>batch</em>, <em>throttler</em>, <em>rpc_stats_callback</em>, <em>throttle_delay=1</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/gcp/datastore/v1new/helper.html#write_mutations"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.gcp.datastore.v1new.helper.write_mutations" title="Permalink to this definition">¶</a></dt> |
| <dd><p>A helper function to write a batch of mutations to Cloud Datastore.</p> |
| <p>If a commit fails, it will be retried up to 5 times. All mutations in the |
| batch will be committed again, even if the commit was partially successful. |
| If the retry limit is exceeded, the last exception from Cloud Datastore will |
| be raised.</p> |
| <p>Assumes that the Datastore client library does not perform any retries on |
| commits. It has not been determined how such retries would interact with the |
| retries and throttler used here. |
| See <code class="docutils literal"><span class="pre">google.cloud.datastore_v1.gapic.datastore_client_config</span></code> for |
| retry config.</p> |
| <table class="docutils field-list" frame="void" rules="none"> |
| <col class="field-name" /> |
| <col class="field-body" /> |
| <tbody valign="top"> |
| <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> |
| <li><strong>batch</strong> – (<a class="reference external" href="https://googleapis.github.io/google-cloud-python/latest/datastore/batches.html#google.cloud.datastore.batch.Batch" title="(in google-cloud v)"><code class="xref py py-class docutils literal"><span class="pre">Batch</span></code></a>) An instance of an |
| in-progress batch.</li> |
| <li><strong>rpc_stats_callback</strong> – a function to call with arguments <cite>successes</cite> and |
| <cite>failures</cite> and <cite>throttled_secs</cite>; this is called to record successful |
| and failed RPCs to Datastore and time spent waiting for throttling.</li> |
| <li><strong>throttler</strong> – (<code class="docutils literal"><span class="pre">apache_beam.io.gcp.datastore.v1.adaptive_throttler.</span> |
| <span class="pre">AdaptiveThrottler</span></code>) |
| Throttler instance used to select requests to be throttled.</li> |
| <li><strong>throttle_delay</strong> – (<a class="reference external" href="https://docs.python.org/2/library/functions.html#float" title="(in Python v2.7)"><code class="xref py py-class docutils literal"><span class="pre">float</span></code></a>) time in seconds to sleep when throttled.</li> |
| </ul> |
| </td> |
| </tr> |
| <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">(int) The latency of the successful RPC in milliseconds.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </dd></dl> |
| |
| <dl class="function"> |
| <dt id="apache_beam.io.gcp.datastore.v1new.helper.create_entities"> |
| <code class="descclassname">apache_beam.io.gcp.datastore.v1new.helper.</code><code class="descname">create_entities</code><span class="sig-paren">(</span><em>count</em>, <em>id_or_name=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/gcp/datastore/v1new/helper.html#create_entities"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.gcp.datastore.v1new.helper.create_entities" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Creates a list of entities with random keys.</p> |
| </dd></dl> |
| |
| <dl class="function"> |
| <dt id="apache_beam.io.gcp.datastore.v1new.helper.create_client_entities"> |
| <code class="descclassname">apache_beam.io.gcp.datastore.v1new.helper.</code><code class="descname">create_client_entities</code><span class="sig-paren">(</span><em>count</em>, <em>id_or_name=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/gcp/datastore/v1new/helper.html#create_client_entities"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.gcp.datastore.v1new.helper.create_client_entities" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Creates a list of client-style entities with random keys.</p> |
| </dd></dl> |
| |
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| |
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