OrFunction.java

  1. /*
  2.  * *************************************************************************************************************************************************************
  3.  *
  4.  * SteelBlue: DCI User Interfaces
  5.  * http://tidalwave.it/projects/steelblue
  6.  *
  7.  * Copyright (C) 2015 - 2025 by Tidalwave s.a.s. (http://tidalwave.it)
  8.  *
  9.  * *************************************************************************************************************************************************************
  10.  *
  11.  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
  12.  * You may obtain a copy of the License at
  13.  *
  14.  *     http://www.apache.org/licenses/LICENSE-2.0
  15.  *
  16.  * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
  17.  * CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.
  18.  *
  19.  * *************************************************************************************************************************************************************
  20.  *
  21.  * git clone https://bitbucket.org/tidalwave/steelblue-src
  22.  * git clone https://github.com/tidalwave-it/steelblue-src
  23.  *
  24.  * *************************************************************************************************************************************************************
  25.  */
  26. package it.tidalwave.ui.core.function;

  27. import jakarta.annotation.Nonnull;
  28. import it.tidalwave.ui.core.ChangingSource;

  29. /***************************************************************************************************************************************************************
  30.  *
  31.  * @since   2.0-ALPHA-1
  32.  * @author  Fabrizio Giudici
  33.  *
  34.  **************************************************************************************************************************************************************/
  35. public class OrFunction extends BooleanBoundFunctionSupport
  36.   {
  37.     @SafeVarargs
  38.     @Nonnull
  39.     public static OrFunction or (@Nonnull final ChangingSource<Boolean> ... sources)
  40.       {
  41.         return new OrFunction(sources);
  42.       }

  43.     @SafeVarargs
  44.     private OrFunction (@Nonnull final ChangingSource<Boolean>... sources)
  45.       {
  46.         super(sources);
  47.       }

  48.     @Override
  49.     protected final boolean function()
  50.       {
  51.         for (final var source : sources)
  52.           {
  53.             if (source.get())
  54.               {
  55.                 return true;
  56.               }
  57.           }

  58.         return false;
  59.       }
  60.   }