src/main/java/wtf/metio/reguloj/AbstractRuleEngine.java

   1 /*
   2  * SPDX-FileCopyrightText: The reguloj Authors
   3  * SPDX-License-Identifier: 0BSD
   4  */
   5 package wtf.metio.reguloj;
   6
   7 import java.util.Collection;
   8
   9 /**
  10  * Abstract rule engine which provides an implementation for the {@link #analyze(Collection, Context)} method. Therefore
  11  * implementors only have to write the {@link #infer(Collection, Context)} method.
  12  *
  13  * @param <CONTEXT> The context type.
  14  */
  15 public abstract class AbstractRuleEngine<CONTEXT extends Context<?>> implements RuleEngine<CONTEXT> {
  16
  17     /**
  18      * Checks whether a single rule fires for the given context.
  19      *
  20      * @param rules   The rules to check.
  21      * @param context The context to use.
  22      * @return true if any rule fired, false otherwise.
  23      */
  24     @Override
  25     public final boolean analyze(final Collection<Rule<CONTEXT>> rules, final CONTEXT context) {
  26         return rules.stream().anyMatch(rule -> rule.fires(context));
  27     }
  28
  29 }