Remove old reference to the promotion system and the number class map.

src/main/java/org/nwapw/abacus/plugin/PluginManager.java

@@ -2,7 +2,6 @@ package org.nwapw.abacus.plugin;
 
 import org.nwapw.abacus.function.Function;
 import org.nwapw.abacus.function.Operator;
-import org.nwapw.abacus.number.NumberInterface;
 
 import java.lang.reflect.InvocationTargetException;
 import java.util.*;
@@ -31,16 +30,6 @@ public class PluginManager {
      * that is, found in a plugin and returned.
      */
     private Map<String, Operator> cachedOperators;
-    /**
-     * List of registered number implementations that have
-     * been cached, that is, found in a plugin and returned.
-     */
-    private Map<String, Class<? extends NumberInterface>> cachedNumbers;
-    /**
-     * List of registered constant providers for every
-     * number class.
-     */
-    private Map<Class<?>, java.util.function.Function<String, NumberInterface>> cachedConstantProviders;
     /**
      * List of all functions loaded by the plugins.
      */
@@ -49,14 +38,6 @@ public class PluginManager {
      * List of all operators loaded by the plugins.
      */
     private Set<String> allOperators;
-    /**
-     * List of all numbers loaded by the plugins.
-     */
-    private Set<String> allNumbers;
-    /**
-     * List of all the constant providers loaded by the plugins.
-     */
-    private Set<Class<?>> allConstantProviders;
     /**
      * The list of plugin listeners attached to this instance.
      */
@@ -70,12 +51,8 @@ public class PluginManager {
         plugins = new HashSet<>();
         cachedFunctions = new HashMap<>();
         cachedOperators = new HashMap<>();
-        cachedNumbers = new HashMap<>();
-        cachedConstantProviders = new HashMap<>();
         allFunctions = new HashSet<>();
         allOperators = new HashSet<>();
-        allNumbers = new HashSet<>();
-        allConstantProviders = new HashSet<>();
         listeners = new HashSet<>();
     }
 
@@ -132,25 +109,6 @@ public class PluginManager {
         return searchCached(plugins, cachedOperators, Plugin::providedOperators, Plugin::getOperator, name);
     }
 
-    /**
-     * Gets a numer implementation under the given name.
-     *
-     * @param name the name of the implementation.
-     * @return the implementation class
-     */
-    public Class<? extends NumberInterface> numberFor(String name) {
-        return searchCached(plugins, cachedNumbers, Plugin::providedNumbers, Plugin::getNumber, name);
-    }
-
-    /**
-     * Gets the constant provider for the given class.
-     * @param forClass the class to get the provider for.
-     * @return the provider.
-     */
-    public java.util.function.Function<String, NumberInterface> constantProviderFor(Class<?> forClass){
-        return searchCached(plugins, cachedConstantProviders, Plugin::providedConstantProviders, Plugin::getConstantProvider, forClass);
-    }
-
     /**
      * Adds an instance of Plugin that already has been instantiated.
      *
@@ -185,8 +143,6 @@ public class PluginManager {
         for (Plugin plugin : plugins) {
             allFunctions.addAll(plugin.providedFunctions());
             allOperators.addAll(plugin.providedOperators());
-            allNumbers.addAll(plugin.providedNumbers());
-            allConstantProviders.addAll(plugin.providedConstantProviders());
         }
         listeners.forEach(e -> e.onLoad(this));
     }
@@ -198,8 +154,6 @@ public class PluginManager {
         for (Plugin plugin : plugins) plugin.disable();
         allFunctions.clear();
         allOperators.clear();
-        allNumbers.clear();
-        allConstantProviders.clear();
         listeners.forEach(e -> e.onUnload(this));
     }
 
@@ -229,23 +183,6 @@ public class PluginManager {
         return allOperators;
     }
 
-    /**
-     * Gets all the number implementations loaded by the Plugin Manager
-     *
-     * @return the set of all implementations that were loaded
-     */
-    public Set<String> getAllNumbers() {
-        return allNumbers;
-    }
-
-    /**
-     * Gets all the constant providers loaded by the Plugin Manager.
-     * @return the set of all constant providers that were loaded.
-     */
-    public Set<Class<?>> getAllConstantProviders() {
-        return allConstantProviders;
-    }
-
     /**
      * Adds a plugin change listener to this plugin manager.
      *