LightJason - AgentSpeak(L++)
IPlusMinus.java
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23 
24 package org.lightjason.agentspeak.action.builtin.datetime;
25 
26 
34 
35 import javax.annotation.Nonnegative;
36 import javax.annotation.Nonnull;
37 import java.time.ZonedDateTime;
38 import java.util.List;
39 import java.util.Locale;
40 import java.util.stream.Collectors;
41 import java.util.stream.Stream;
42 
43 
48 public abstract class IPlusMinus extends IBuiltinAction
49 {
53  private static final long serialVersionUID = 1831239783507142327L;
54 
58  protected IPlusMinus()
59  {}
60 
61  @Nonnegative
62  @Override
63  public final int minimalArgumentNumber()
64  {
65  return 1;
66  }
67 
68  @Nonnull
69  @Override
70  public final IFuzzyValue<Boolean> execute( final boolean p_parallel, @Nonnull final IContext p_context,
71  @Nonnull final List<ITerm> p_argument, @Nonnull final List<ITerm> p_return )
72  {
73  final List<ITerm> l_arguments = CCommon.flatten( p_argument ).collect( Collectors.toList() );
74 
75  switch ( l_arguments.get( 0 ).<String>raw().trim().toLowerCase( Locale.ROOT ) )
76  {
77 
78  case "minus" :
79  this.applyminus(
80  l_arguments.stream()
81  .skip( 2 )
82  .map( ITerm::<ZonedDateTime>raw ),
83  l_arguments.get( 1 ).<Number>raw().longValue()
84  )
85  .map( CRawTerm::from )
86  .forEach( p_return::add );
87 
88  return CFuzzyValue.from( true );
89 
90 
91  case "plus" :
92  this.applyplus(
93  l_arguments.stream()
94  .skip( 2 )
95  .map( ITerm::<ZonedDateTime>raw ),
96  l_arguments.get( 1 ).<Number>raw().longValue()
97  )
98  .map( CRawTerm::from )
99  .forEach( p_return::add );
100 
101  return CFuzzyValue.from( true );
102 
103 
104  default:
105  return CFuzzyValue.from( false );
106 
107  }
108  }
109 
117  @Nonnull
118  protected abstract Stream<?> applyminus( @Nonnull final Stream<ZonedDateTime> p_datetime, final long p_value );
119 
127  @Nonnull
128  protected abstract Stream<?> applyplus( @Nonnull final Stream<ZonedDateTime> p_datetime, final long p_value );
129 
130 }
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
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: IPlusMinus.java:70
abstract class to calculate plus / minus on date-time objects
Definition: IPlusMinus.java:48
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
abstract Stream<?> applyplus( @Nonnull final Stream< ZonedDateTime > p_datetime, final long p_value)
apply function for minus operator
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 int minimalArgumentNumber()
minimum number of arguments
Definition: IPlusMinus.java:63
abstract Stream<?> applyminus( @Nonnull final Stream< ZonedDateTime > p_datetime, final long p_value)
apply function for plus operator
term structure for simple datatypes
Definition: CRawTerm.java:45