Package org.apache.beam.sdk.values

Class TypeParameter<T>

java.lang.Object

org.apache.beam.sdk.values.TypeParameter<T>

public abstract class TypeParameter<T>
extends Object

Captures a free type variable that can be used in TypeDescriptor.where(org.apache.beam.sdk.values.TypeParameter<X>, org.apache.beam.sdk.values.TypeDescriptor<X>). For example:

 static <T> TypeDescriptor<List<T>> listOf(Class<T> elementType) {
   return new TypeDescriptor<List<T>>() {}
       .where(new TypeParameter<T>() {}, elementType);
 }
 

Constructor Summary

Constructors

Constructor	Description
TypeParameter()

Method Summary

Modifier and Type	Method	Description
boolean	equals(@Nullable Object obj)
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

TypeParameter

public TypeParameter()

Method Details

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(@Nullable Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object