com.ibm.streamsx.topology.logic

Class Value<T>

java.lang.Object

com.ibm.streamsx.topology.logic.Value<T>

Type Parameters:

T - the value's type

All Implemented Interfaces:

Supplier<T>, java.io.Serializable

public class Value<T>
extends java.lang.Object
implements Supplier<T>

A Supplier for a single constant T value.

This class can be useful when using the Java application API in the absence of Java8 lambda expressions. e.g.,

  // with Java8 Lambda expressions
  TStream<String> s = ...
  s.parallel(() -> 3).filter(...)
  
  // without Lambda expressions
  s.parallel(new Value<Integer>(3)).filter(...)
  
  // using the Value.of with a static import
  s.parallel(of(3)).filter(); 
 

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Value(T value) Create a constant value Supplier.

Method Summary

Modifier and Type	Method and Description
T	get() Return the constant value.
static <T> Supplier<T>	of(T value) Return a constant value Supplier.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Value

public Value(T value)

Create a constant value Supplier.

Parameters:

value - the value

Method Detail

of

public static <T> Supplier<T> of(T value)

Return a constant value Supplier.

Parameters:

value - Value of the constant.

Returns:

A Supplier that always returns value.

get

public T get()

Return the constant value.

Specified by:

get in interface Supplier<T>

Returns:

the value