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<h2 title="Annotation Type DefaultSchema" class="title">Annotation Type DefaultSchema</h2>
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<pre>@Documented
@Retention(value=RUNTIME)
@Target(value=TYPE)
<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#SCHEMAS">SCHEMAS</a>)
public @interface <span class="memberNameLabel">DefaultSchema</span></pre>
<div class="block">The <a href="../../../../../../org/apache/beam/sdk/schemas/annotations/DefaultSchema.html" title="annotation in org.apache.beam.sdk.schemas.annotations"><code>DefaultSchema</code></a> annotation specifies a <a href="../../../../../../org/apache/beam/sdk/schemas/SchemaProvider.html" title="interface in org.apache.beam.sdk.schemas"><code>SchemaProvider</code></a> class to handle obtaining
a schema and row for the specified class.
<p>For example, if your class is JavaBean, the JavaBeanSchema provider class knows how to vend
schemas for this class. You can annotate it as follows:
<pre><code> @DefaultSchema(JavaBeanSchema.class)
class MyClass {
public String getFoo();
void setFoo(String foo);
....
}
</code></pre></div>
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<td class="colFirst"><code>java.lang.Class&lt;? extends <a href="../../../../../../org/apache/beam/sdk/schemas/SchemaProvider.html" title="interface in org.apache.beam.sdk.schemas">SchemaProvider</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/schemas/annotations/DefaultSchema.html#value--">value</a></span></code>
<div class="block">The schema provider implementation that knows how to vend schemas for the annotated class.</div>
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<h4>value</h4>
<pre><a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/CheckForNull.html?is-external=true" title="class or interface in javax.annotation">@CheckForNull</a>
public abstract&nbsp;java.lang.Class&lt;? extends <a href="../../../../../../org/apache/beam/sdk/schemas/SchemaProvider.html" title="interface in org.apache.beam.sdk.schemas">SchemaProvider</a>&gt;&nbsp;value</pre>
<div class="block">The schema provider implementation that knows how to vend schemas for the annotated class.</div>
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