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<div class="subTitle">org.apache.beam.sdk.metrics</div>
<h2 title="Class MetricsEnvironment" class="title">Class MetricsEnvironment</h2>
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<li>java.lang.Object</li>
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<li>org.apache.beam.sdk.metrics.MetricsEnvironment</li>
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<pre><a href="../../../../../org/apache/beam/sdk/annotations/Experimental.html" title="annotation in org.apache.beam.sdk.annotations">@Experimental</a>(<a href="../../../../../org/apache/beam/sdk/annotations/Experimental.html#value--">value</a>=<a href="../../../../../org/apache/beam/sdk/annotations/Experimental.Kind.html#METRICS">METRICS</a>)
<a href="../../../../../org/apache/beam/sdk/annotations/Internal.html" title="annotation in org.apache.beam.sdk.annotations">@Internal</a>
public class <span class="typeNameLabel">MetricsEnvironment</span>
extends java.lang.Object</pre>
<div class="block">Manages and provides the metrics container associated with each thread.
<p>Users should not interact directly with this class. Instead, use <a href="../../../../../org/apache/beam/sdk/metrics/Metrics.html" title="class in org.apache.beam.sdk.metrics"><code>Metrics</code></a> and the
returned objects to create and modify metrics.
<p>The runner should create a <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics"><code>MetricsContainer</code></a> for each context in which metrics are
reported (by step and name) and call <a href="../../../../../org/apache/beam/sdk/metrics/MetricsEnvironment.html#setCurrentContainer-org.apache.beam.sdk.metrics.MetricsContainer-"><code>setCurrentContainer(org.apache.beam.sdk.metrics.MetricsContainer)</code></a> before invoking any code that
may update metrics within that step. It should call <a href="../../../../../org/apache/beam/sdk/metrics/MetricsEnvironment.html#setCurrentContainer-org.apache.beam.sdk.metrics.MetricsContainer-"><code>setCurrentContainer(org.apache.beam.sdk.metrics.MetricsContainer)</code></a> again to restore
the previous container.
<p>Alternatively, the runner can use <a href="../../../../../org/apache/beam/sdk/metrics/MetricsEnvironment.html#scopedMetricsContainer-org.apache.beam.sdk.metrics.MetricsContainer-"><code>scopedMetricsContainer(MetricsContainer)</code></a> to set the
container for the current thread and get a <code>Closeable</code> that will restore the previous
container when closed.</div>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/metrics/MetricsEnvironment.html#MetricsEnvironment--">MetricsEnvironment</a></span>()</code>&nbsp;</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>static <a href="https://static.javadoc.io/org.checkerframework/checker-qual/3.10.0/org/checkerframework/checker/nullness/qual/Nullable.html?is-external=true" title="class or interface in org.checkerframework.checker.nullness.qual">@Nullable</a> <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics">MetricsContainer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/metrics/MetricsEnvironment.html#getCurrentContainer--">getCurrentContainer</a></span>()</code>
<div class="block">Return the <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics"><code>MetricsContainer</code></a> for the current thread.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>static <a href="https://static.javadoc.io/org.checkerframework/checker-qual/3.10.0/org/checkerframework/checker/nullness/qual/Nullable.html?is-external=true" title="class or interface in org.checkerframework.checker.nullness.qual">@Nullable</a> <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics">MetricsContainer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/metrics/MetricsEnvironment.html#getProcessWideContainer--">getProcessWideContainer</a></span>()</code>
<div class="block">Return the <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics"><code>MetricsContainer</code></a> for the current process.</div>
</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/metrics/MetricsEnvironment.html#isMetricsSupported--">isMetricsSupported</a></span>()</code>
<div class="block">Indicates whether metrics reporting is supported.</div>
</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>static java.io.Closeable</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/metrics/MetricsEnvironment.html#scopedMetricsContainer-org.apache.beam.sdk.metrics.MetricsContainer-">scopedMetricsContainer</a></span>(<a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics">MetricsContainer</a>&nbsp;container)</code>
<div class="block">Set the <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics"><code>MetricsContainer</code></a> for the current thread.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static <a href="https://static.javadoc.io/org.checkerframework/checker-qual/3.10.0/org/checkerframework/checker/nullness/qual/Nullable.html?is-external=true" title="class or interface in org.checkerframework.checker.nullness.qual">@Nullable</a> <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics">MetricsContainer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/metrics/MetricsEnvironment.html#setCurrentContainer-org.apache.beam.sdk.metrics.MetricsContainer-">setCurrentContainer</a></span>(<a href="https://static.javadoc.io/org.checkerframework/checker-qual/3.10.0/org/checkerframework/checker/nullness/qual/Nullable.html?is-external=true" title="class or interface in org.checkerframework.checker.nullness.qual">@Nullable</a> <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics">MetricsContainer</a>&nbsp;container)</code>
<div class="block">Set the <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics"><code>MetricsContainer</code></a> for the current thread.</div>
</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/metrics/MetricsEnvironment.html#setMetricsSupported-boolean-">setMetricsSupported</a></span>(boolean&nbsp;supported)</code>
<div class="block">Called by the run to indicate whether metrics reporting is supported.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>static <a href="https://static.javadoc.io/org.checkerframework/checker-qual/3.10.0/org/checkerframework/checker/nullness/qual/Nullable.html?is-external=true" title="class or interface in org.checkerframework.checker.nullness.qual">@Nullable</a> <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics">MetricsContainer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/metrics/MetricsEnvironment.html#setProcessWideContainer-org.apache.beam.sdk.metrics.MetricsContainer-">setProcessWideContainer</a></span>(<a href="https://static.javadoc.io/org.checkerframework/checker-qual/3.10.0/org/checkerframework/checker/nullness/qual/Nullable.html?is-external=true" title="class or interface in org.checkerframework.checker.nullness.qual">@Nullable</a> <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics">MetricsContainer</a>&nbsp;container)</code>
<div class="block">Set the <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics"><code>MetricsContainer</code></a> for the current process.</div>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
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<pre>public&nbsp;MetricsEnvironment()</pre>
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<pre>public static&nbsp;<a href="https://static.javadoc.io/org.checkerframework/checker-qual/3.10.0/org/checkerframework/checker/nullness/qual/Nullable.html?is-external=true" title="class or interface in org.checkerframework.checker.nullness.qual">@Nullable</a> <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics">MetricsContainer</a>&nbsp;setCurrentContainer(<a href="https://static.javadoc.io/org.checkerframework/checker-qual/3.10.0/org/checkerframework/checker/nullness/qual/Nullable.html?is-external=true" title="class or interface in org.checkerframework.checker.nullness.qual">@Nullable</a> <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics">MetricsContainer</a>&nbsp;container)</pre>
<div class="block">Set the <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics"><code>MetricsContainer</code></a> for the current thread.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The previous container for the current thread.</dd>
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<pre>public static&nbsp;<a href="https://static.javadoc.io/org.checkerframework/checker-qual/3.10.0/org/checkerframework/checker/nullness/qual/Nullable.html?is-external=true" title="class or interface in org.checkerframework.checker.nullness.qual">@Nullable</a> <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics">MetricsContainer</a>&nbsp;setProcessWideContainer(<a href="https://static.javadoc.io/org.checkerframework/checker-qual/3.10.0/org/checkerframework/checker/nullness/qual/Nullable.html?is-external=true" title="class or interface in org.checkerframework.checker.nullness.qual">@Nullable</a> <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics">MetricsContainer</a>&nbsp;container)</pre>
<div class="block">Set the <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics"><code>MetricsContainer</code></a> for the current process.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The previous container for the current process.</dd>
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<pre>public static&nbsp;void&nbsp;setMetricsSupported(boolean&nbsp;supported)</pre>
<div class="block">Called by the run to indicate whether metrics reporting is supported.</div>
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<pre>public static&nbsp;boolean&nbsp;isMetricsSupported()</pre>
<div class="block">Indicates whether metrics reporting is supported.</div>
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<pre>public static&nbsp;java.io.Closeable&nbsp;scopedMetricsContainer(<a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics">MetricsContainer</a>&nbsp;container)</pre>
<div class="block">Set the <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics"><code>MetricsContainer</code></a> for the current thread.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A <code>Closeable</code> that will reset the current container to the previous <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics"><code>MetricsContainer</code></a> when closed.</dd>
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<h4>getCurrentContainer</h4>
<pre>public static&nbsp;<a href="https://static.javadoc.io/org.checkerframework/checker-qual/3.10.0/org/checkerframework/checker/nullness/qual/Nullable.html?is-external=true" title="class or interface in org.checkerframework.checker.nullness.qual">@Nullable</a> <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics">MetricsContainer</a>&nbsp;getCurrentContainer()</pre>
<div class="block">Return the <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics"><code>MetricsContainer</code></a> for the current thread.
<p>May return null if metrics are not supported by the current runner or if the current thread
is not a work-execution thread. The first time this happens in a given thread it will log a
diagnostic message.</div>
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<pre>public static&nbsp;<a href="https://static.javadoc.io/org.checkerframework/checker-qual/3.10.0/org/checkerframework/checker/nullness/qual/Nullable.html?is-external=true" title="class or interface in org.checkerframework.checker.nullness.qual">@Nullable</a> <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics">MetricsContainer</a>&nbsp;getProcessWideContainer()</pre>
<div class="block">Return the <a href="../../../../../org/apache/beam/sdk/metrics/MetricsContainer.html" title="interface in org.apache.beam.sdk.metrics"><code>MetricsContainer</code></a> for the current process.</div>
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