Predicate1 (Apache Calcite API)

Type Parameters:: T0 - Type of argument #0

All Superinterfaces:: Function<Boolean>

public interface Predicate1<T0> extends Function<Boolean>

Function with one parameter returning a native boolean value.

Field Summary

Fields

Modifier and Type

Field

Description

static final Predicate1<Object>

FALSE

Predicate that always evaluates to false.

static final Predicate1<Object>

TRUE

Predicate that always evaluates to true.
Method Summary

Modifier and Type

Method

Description

boolean

apply(T0 v0)

Field Details
- TRUE
  
  static final Predicate1<Object> TRUE
  
  Predicate that always evaluates to true.
  See Also:
  
  Functions.truePredicate1()
- FALSE
  
  static final Predicate1<Object> FALSE
  
  Predicate that always evaluates to false.
  See Also:
  
  Functions.falsePredicate1()
Method Details
- apply
  
  boolean apply(T0 v0)