@Experimental(value=PORTABILITY) @AutoService(value=ExternalTransformRegistrar.class) public static class KafkaIO.Read.External extends java.lang.Object implements ExternalTransformRegistrar
KafkaIO.TypedWithoutMetadata as an external transform for cross-language
 usage.| Modifier and Type | Class and Description | 
|---|---|
| static class  | KafkaIO.Read.External.ConfigurationParameters class to expose the Read transform to an external SDK. | 
| Modifier and Type | Field and Description | 
|---|---|
| static java.lang.String | URN_WITH_METADATA | 
| static java.lang.String | URN_WITHOUT_METADATA | 
| Constructor and Description | 
|---|
| External() | 
| Modifier and Type | Method and Description | 
|---|---|
| java.util.Map<java.lang.String,java.lang.Class<? extends ExternalTransformBuilder<?,?,?>>> | knownBuilders()A mapping from URN to an  ExternalTransformBuilderclass. | 
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitknownBuilderInstancespublic static final java.lang.String URN_WITH_METADATA
public static final java.lang.String URN_WITHOUT_METADATA
public java.util.Map<java.lang.String,java.lang.Class<? extends ExternalTransformBuilder<?,?,?>>> knownBuilders()
ExternalTransformRegistrarExternalTransformBuilder class.knownBuilders in interface ExternalTransformRegistrar