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Code Issues Releases Wiki Activity

Comment the PluginManager and change pluginFor to functionFor

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This commit is contained in:
Danila Fedorin 2017-07-26 10:15:22 -07:00
parent 7ba6f8a353
commit ce2373be8e
1 changed files with 41 additions and 12 deletions
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51
src/org/nwapw/abacus/plugin/PluginManager.java
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@ -1,42 +1,71 @@
package org.nwapw.abacus.plugin;
import org.nwapw.abacus.function.Function;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.HashMap;
/**
* A class that controls instances of plugins, allowing for them
* to interact with each other and the calculator.
*/
public class PluginManager {
/**
* A list of loaded plugins.
*/
private ArrayList<Plugin> plugins;
private HashMap<String, Plugin> pluginsForFunctions;
/**
* List of functions that have been cached,
* that is, found in a plugin and returned.
*/
private HashMap<String, Function> cachedFunctions;
/**
* Creates a new plugin manager.
*/
public PluginManager(){
plugins = new ArrayList<>();
pluginsForFunctions = new HashMap<>();
cachedFunctions = new HashMap<>();
}
public Plugin pluginForFunction(String name){
if(pluginsForFunctions.containsKey(name)) {
return pluginsForFunctions.get(name);
/**
* Gets a function under the given name.
* @param name the name of the function
* @return the function under the given name.
*/
public Function functionFor(String name){
if(cachedFunctions.containsKey(name)) {
return cachedFunctions.get(name);
}
Plugin foundPlugin = null;
Function loadedFunction = null;
for(Plugin plugin : plugins){
if(plugin.hasFunction(name)){
foundPlugin = plugin;
loadedFunction = plugin.getFunction(name);
break;
}
}
pluginsForFunctions.put(name, foundPlugin);
return foundPlugin;
cachedFunctions.put(name, loadedFunction);
return loadedFunction;
}
/**
* Adds an instance of Plugin that already has been instantiated.
* @param plugin the plugin to add.
*/
public void addInstantiated(Plugin plugin){
plugin.load();
pluginsForFunctions.clear();
cachedFunctions.clear();
plugins.add(plugin);
}
/**
* Instantiates a class of plugin, and adds it to this
* plugin manager.
* @param newClass the new class to instantiate.
*/
public void addClass(Class<?> newClass){
if(!Plugin.class.isAssignableFrom(newClass)) return;
try {