LightJason - AgentSpeak(L++)
CAverage.java
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1 /*
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23 
24 package org.lightjason.agentspeak.action.builtin.math;
25 
34 
35 import javax.annotation.Nonnegative;
36 import javax.annotation.Nonnull;
37 import java.util.List;
38 
39 
48 public final class CAverage extends IBuiltinAction
49 {
53  private static final long serialVersionUID = 3122381293872618564L;
54 
55  @Nonnegative
56  @Override
57  public final int minimalArgumentNumber()
58  {
59  return 1;
60  }
61 
62  @Nonnull
63  @Override
64  public final IFuzzyValue<Boolean> execute( final boolean p_parallel, @Nonnull final IContext p_context,
65  @Nonnull final List<ITerm> p_argument, @Nonnull final List<ITerm> p_return )
66  {
67  p_return.add( CRawTerm.from(
68  CCommon.flatten( p_argument ).mapToDouble( i -> i.<Number>raw().doubleValue() ).average()
69  .orElseThrow( () -> new CRuntimeException( p_context ) )
70  ) );
71  return CFuzzyValue.from( true );
72  }
73 
74 }
base class of build-in actions for setting name by package/classname (without prefix character) ...
static< N > IFuzzyValue< N > from( @Nonnull final N p_value)
factory
common structure for execution definition
execution context with local data
Definition: IContext.java:42
static Stream< ITerm > flatten( @Nonnull final Collection<? extends ITerm > p_terms)
flat term-in-term collection into a straight term list
final int minimalArgumentNumber()
minimum number of arguments
Definition: CAverage.java:57
result for an immutable fuzzy value
static< N > CRawTerm< N > from(final N p_value)
factory for a raw term
Definition: CRawTerm.java:104
final IFuzzyValue< Boolean > execute(final boolean p_parallel, @Nonnull final IContext p_context, @Nonnull final List< ITerm > p_argument, @Nonnull final List< ITerm > p_return)
defines a plan-body operation
Definition: CAverage.java:64
term structure for simple datatypes
Definition: CRawTerm.java:45