org.apache.beam.sdk.values

Class TypeParameter<T>

java.lang.Object

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

public abstract class TypeParameter<T>
extends java.lang.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 and Description
TypeParameter()

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj)
int	hashCode()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

TypeParameter

public TypeParameter()

Method Detail

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object