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Merge branch 'master' of https://github.com/DanilaFe/abacus

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This commit is contained in:
Arthur Drobot 2017-08-07 14:08:17 -07:00
commit 7ae59afade
10 changed files with 156 additions and 194 deletions
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28
src/main/java/org/nwapw/abacus/config/Configuration.java
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@ -30,6 +30,10 @@ public class Configuration {
*/
private static final TomlWriter TOML_WRITER = new TomlWriter();
/**
* The computation delay for which the thread can run without interruption.
*/
private double computationDelay = 0;
/**
* The implementation of the number that should be used.
*/
@ -51,10 +55,12 @@ public class Configuration {
/**
* Creates a new configuration with the given values.
*
* @param computationDelay the delay before the computation gets killed.
* @param numberImplementation the number implementation, like "naive" or "precise"
* @param disabledPlugins the list of disabled plugins.
*/
public Configuration(String numberImplementation, String[] disabledPlugins) {
public Configuration(double computationDelay, String numberImplementation, String[] disabledPlugins) {
this.computationDelay = computationDelay;
this.numberImplementation = numberImplementation;
this.disabledPlugins.addAll(Arrays.asList(disabledPlugins));
}
@ -75,6 +81,7 @@ public class Configuration {
* @param otherConfiguration the configuration to copy from.
*/
public void copyFrom(Configuration otherConfiguration) {
this.computationDelay = otherConfiguration.computationDelay;
this.numberImplementation = otherConfiguration.numberImplementation;
this.disabledPlugins.addAll(otherConfiguration.disabledPlugins);
}
@ -130,4 +137,23 @@ public class Configuration {
return disabledPlugins;
}
/**
* Gets the computation delay specified in the configuration.
*
* @return the computaton delay.
*/
public double getComputationDelay() {
return computationDelay;
}
/**
* Sets the computation delay.
*
* @param computationDelay the new computation delay.
*/
public void setComputationDelay(double computationDelay) {
this.computationDelay = computationDelay;
}
}

14
src/main/java/org/nwapw/abacus/fx/AbacusApplication.java
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@ -12,13 +12,25 @@ import javafx.stage.Stage;
*/
public class AbacusApplication extends Application {
/**
* The controller currently managing the application.
*/
private AbacusController controller;
@Override
public void start(Stage primaryStage) throws Exception {
Parent parent = FXMLLoader.load(getClass().getResource("/abacus.fxml"));
FXMLLoader loader = new FXMLLoader(getClass().getResource("/abacus.fxml"));
Parent parent = loader.load();
controller = loader.getController();
Scene mainScene = new Scene(parent, 320, 480);
primaryStage.setScene(mainScene);
primaryStage.setTitle("Abacus");
primaryStage.show();
}
@Override
public void stop() throws Exception {
super.stop();
controller.performStop();
}
}

51
src/main/java/org/nwapw/abacus/fx/AbacusController.java
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@ -1,6 +1,8 @@
package org.nwapw.abacus.fx;
import javafx.application.Platform;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.fxml.FXML;
@ -89,6 +91,8 @@ public class AbacusController implements PluginListener {
private ComboBox<String> numberImplementationBox;
@FXML
private ListView<ToggleablePlugin> enabledPluginView;
@FXML
private TextField computationLimitField;
/**
* The list of history entries, created by the users.
@ -124,6 +128,17 @@ public class AbacusController implements PluginListener {
* The alert shown when a press to "apply" is needed.
*/
private Alert reloadAlert;
/**
* The runnable that takes care of killing computations that take too long.
*/
private final Runnable TIMER_RUNNABLE = () -> {
try {
Configuration abacusConfig = abacus.getConfiguration();
if(abacusConfig.getComputationDelay() == 0) return;
Thread.sleep((long) (abacusConfig.getComputationDelay() * 1000));
performStop();
} catch (InterruptedException e) { }
};
/**
* The runnable used to perform the calculation.
*/
@ -161,6 +176,10 @@ public class AbacusController implements PluginListener {
});
}
};
/**
* The thread that is waiting to pause the calculation.
*/
private Thread computationLimitThread;
/**
* The thread in which the computation runs.
*/
@ -224,6 +243,15 @@ public class AbacusController implements PluginListener {
}
abacusPluginManager.reload();
computationLimitField.setText(Double.toString(abacus.getConfiguration().getComputationDelay()));
computationLimitField.textProperty().addListener((observable, oldValue, newValue) -> {
if(!newValue.matches("(\\d+(\\.\\d*)?)?")) {
computationLimitField.setText(oldValue);
} else {
changesMade = true;
}
});
changesMade = false;
reloadAlertShown = false;
@ -234,21 +262,29 @@ public class AbacusController implements PluginListener {
}
@FXML
private void performCalculation() {
public void performCalculation() {
inputButton.setDisable(true);
stopButton.setDisable(false);
calculationThread = new Thread(CALCULATION_RUNNABLE);
calculationThread.start();
computationLimitThread = new Thread(TIMER_RUNNABLE);
computationLimitThread.start();
}
@FXML
private void performStop(){
if(calculationThread != null)
public void performStop(){
if(calculationThread != null) {
calculationThread.interrupt();
calculationThread = null;
}
if(computationLimitThread != null){
computationLimitThread.interrupt();
computationLimitThread = null;
}
}
@FXML
private void performSaveAndReload() {
public void performSaveAndReload() {
performSave();
performReload();
changesMade = false;
@ -256,13 +292,13 @@ public class AbacusController implements PluginListener {
}
@FXML
private void performReload() {
public void performReload() {
alertIfApplyNeeded(true);
abacus.getPluginManager().reload();
}
@FXML
private void performSave() {
public void performSave() {
Configuration configuration = abacus.getConfiguration();
configuration.setNumberImplementation(numberImplementationBox.getSelectionModel().getSelectedItem());
Set<String> disabledPlugins = configuration.getDisabledPlugins();
@ -270,6 +306,8 @@ public class AbacusController implements PluginListener {
for (ToggleablePlugin pluginEntry : enabledPlugins) {
if (!pluginEntry.isEnabled()) disabledPlugins.add(pluginEntry.getClassName());
}
if(computationLimitField.getText().matches("\\d*(\\.\\d+)?") && computationLimitField.getText().length() != 0)
configuration.setComputationDelay(Double.parseDouble(computationLimitField.getText()));
configuration.saveTo(CONFIG_FILE);
changesMade = false;
reloadAlertShown = false;
@ -296,4 +334,5 @@ public class AbacusController implements PluginListener {
enabledPlugins.clear();
numberImplementationOptions.clear();
}
}

4
src/main/java/org/nwapw/abacus/number/NumberInterface.java
View File

@ -173,7 +173,7 @@ public abstract class NumberInterface {
/**
* Returns the least integer greater than or equal to the number.
*
* @return the least integer >= the number, if int can hold the value.
* @return the least integer greater or equal to the number, if int can hold the value.
*/
protected abstract NumberInterface ceilingInternal();
@ -201,7 +201,7 @@ public abstract class NumberInterface {
* Also, checks if the thread has been interrupted, and if so, throws
* an exception.
*
* @return the greatest int greater than or equal to the number.
* @return the greatest int smaller than or equal to the number.
*/
public final NumberInterface floor(){
checkInterrupted();

82
src/main/java/org/nwapw/abacus/plugin/Plugin.java
View File

@ -17,18 +17,6 @@ import java.util.Set;
*/
public abstract class Plugin {
/**
* A hash map of functions mapped to their string names.
*/
private Map<String, Function> functions;
/**
* A hash map of operators mapped to their string names.
*/
private Map<String, Operator> operators;
/**
* The map of the number implementations this plugin provides.
*/
private Map<String, NumberImplementation> numberImplementations;
/**
* The plugin manager in which to search for functions
* not inside this package,
@ -49,69 +37,9 @@ public abstract class Plugin {
*/
public Plugin(PluginManager manager) {
this.manager = manager;
functions = new HashMap<>();
operators = new HashMap<>();
numberImplementations = new HashMap<>();
enabled = false;
}
/**
* Gets the list of functions provided by this plugin.
*
* @return the list of registered functions.
*/
public final Set<String> providedFunctions() {
return functions.keySet();
}
/**
* Gets the list of functions provided by this plugin.
*
* @return the list of registered functions.
*/
public final Set<String> providedOperators() {
return operators.keySet();
}
/**
* Gets the list of number implementations provided by this plugin.
*
* @return the list of registered number implementations.
*/
public final Set<String> providedNumberImplementations() {
return numberImplementations.keySet();
}
/**
* Gets a function under the given function name.
*
* @param functionName the name of the function to get
* @return the function, or null if this plugin doesn't provide it.
*/
public final Function getFunction(String functionName) {
return functions.get(functionName);
}
/**
* Gets an operator under the given operator name.
*
* @param operatorName the name of the operator to get.
* @return the operator, or null if this plugin doesn't provide it.
*/
public final Operator getOperator(String operatorName) {
return operators.get(operatorName);
}
/**
* Gets the number implementation under the given name.
*
* @param name the name of the number implementation to look up.
* @return the number implementation associated with that name, or null if the plugin doesn't provide it.
*/
public final NumberImplementation getNumberImplementation(String name) {
return numberImplementations.get(name);
}
/**
* Enables the function, loading the necessary instances
* of functions.
@ -129,8 +57,6 @@ public abstract class Plugin {
public final void disable() {
if (!enabled) return;
onDisable();
functions.clear();
operators.clear();
enabled = false;
}
@ -142,7 +68,7 @@ public abstract class Plugin {
* @param toRegister the function implementation.
*/
protected final void registerFunction(String name, Function toRegister) {
functions.put(name, toRegister);
manager.registerFunction(name, toRegister);
}
/**
@ -154,7 +80,7 @@ public abstract class Plugin {
* @param operator the operator to register.
*/
protected final void registerOperator(String name, Operator operator) {
operators.put(name, operator);
manager.registerOperator(name, operator);
}
/**
@ -165,7 +91,7 @@ public abstract class Plugin {
* @param implementation the actual implementation class to register.
*/
protected final void registerNumberImplementation(String name, NumberImplementation implementation) {
numberImplementations.put(name, implementation);
manager.registerNumberImplementation(name, implementation);
}
/**
@ -213,7 +139,7 @@ public abstract class Plugin {
* @param forClass the class to which to find the pi instance.
* @return the pi value for the given class.
*/
protected final NumberInterface getPi(Class<? extends NumberInterface> forClass) {
protected final NumberInterface piFor(Class<? extends NumberInterface> forClass) {
return manager.piFor(forClass);
}

143
src/main/java/org/nwapw/abacus/plugin/PluginManager.java
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@ -23,20 +23,17 @@ public class PluginManager {
*/
private Set<Plugin> plugins;
/**
* List of functions that have been cached,
* that is, found in a plugin and returned.
* The map of functions registered by the plugins.
*/
private Map<String, Function> cachedFunctions;
private Map<String, Function> registeredFunctions;
/**
* List of operators that have been cached,
* that is, found in a plugin and returned.
* The map of operators registered by the plugins
*/
private Map<String, Operator> cachedOperators;
private Map<String, Operator> registeredOperators;
/**
* The list of number implementations that have
* been cached, that is, found in a plugin and returned.
* The map of number implementations registered by the plugins.
*/
private Map<String, NumberImplementation> cachedNumberImplementations;
private Map<String, NumberImplementation> registeredNumberImplementations;
/**
* The list of number implementations that have been
* found by their implementation class.
@ -46,18 +43,6 @@ public class PluginManager {
* The pi values for each implementation class that have already been computer.
*/
private Map<Class<? extends NumberInterface>, NumberInterface> cachedPi;
/**
* List of all functions loaded by the plugins.
*/
private Set<String> allFunctions;
/**
* List of all operators loaded by the plugins.
*/
private Set<String> allOperators;
/**
* List of all the number implementations loaded by the plugins.
*/
private Set<String> allNumberImplementations;
/**
* The list of plugin listeners attached to this instance.
*/
@ -77,79 +62,66 @@ public class PluginManager {
this.abacus = abacus;
loadedPluginClasses = new HashSet<>();
plugins = new HashSet<>();
cachedFunctions = new HashMap<>();
cachedOperators = new HashMap<>();
cachedNumberImplementations = new HashMap<>();
registeredFunctions = new HashMap<>();
registeredOperators = new HashMap<>();
registeredNumberImplementations = new HashMap<>();
cachedInterfaceImplementations = new HashMap<>();
cachedPi = new HashMap<>();
allFunctions = new HashSet<>();
allOperators = new HashSet<>();
allNumberImplementations = new HashSet<>();
listeners = new HashSet<>();
}
/**
* Searches the plugin list for a certain value, retrieving the Plugin's
* list of items of the type using the setFunction and getting the value
* of it is available via getFunction. If the value is contained
* in the cache, it returns the cached value instead.
*
* @param plugins the plugin list to search.
* @param cache the cache to use
* @param setFunction the function to retrieve a set of available T's from the plugin
* @param getFunction the function to get the T value under the given name
* @param name the name to search for
* @param <T> the type of element being search
* @param <K> the type of key that the cache is indexed by.
* @return the retrieved element, or null if it was not found.
* Registers a function under the given name.
* @param name the name of the function.
* @param function the function to register.
*/
private static <T, K> T searchCached(Collection<Plugin> plugins, Map<K, T> cache,
java.util.function.Function<Plugin, Set<K>> setFunction,
java.util.function.BiFunction<Plugin, K, T> getFunction,
K name) {
if (cache.containsKey(name)) return cache.get(name);
T loadedValue = null;
for (Plugin plugin : plugins) {
if (setFunction.apply(plugin).contains(name)) {
loadedValue = getFunction.apply(plugin, name);
break;
}
}
cache.put(name, loadedValue);
return loadedValue;
public void registerFunction(String name, Function function){
registeredFunctions.put(name, function);
}
/**
* Gets a function under the given name.
*
* @param name the name of the function
* @return the function under the given name.
* Registers an operator under the given name.
* @param name the name of the operator.
* @param operator the operator to register.
*/
public void registerOperator(String name, Operator operator){
registeredOperators.put(name, operator);
}
/**
* Registers a number implementation under the given name.
* @param name the name of the number implementation.
* @param implementation the number implementation to register.
*/
public void registerNumberImplementation(String name, NumberImplementation implementation){
registeredNumberImplementations.put(name, implementation);
}
/**
* Gets the function registered under the given name.
* @param name the name of the function.
* @return the function, or null if it was not found.
*/
public Function functionFor(String name){
return searchCached(plugins, cachedFunctions, Plugin::providedFunctions, Plugin::getFunction, name);
return registeredFunctions.get(name);
}
/**
* Gets an operator under the given name.
*
* Gets the operator registered under the given name.
* @param name the name of the operator.
* @return the operator under the given name.
* @return the operator, or null if it was not found.
*/
public Operator operatorFor(String name){
return searchCached(plugins, cachedOperators, Plugin::providedOperators, Plugin::getOperator, name);
return registeredOperators.get(name);
}
/**
* Gets the number implementation under the given name.
*
* @param name the name of the implementation.
* @return the implementation.
* Gets the number implementation registered under the given name.
* @param name the name of the number implementation.
* @return the number implementation, or null if it was not found.
*/
public NumberImplementation numberImplementationFor(String name){
return searchCached(plugins, cachedNumberImplementations, Plugin::providedNumberImplementations,
Plugin::getNumberImplementation, name);
return registeredNumberImplementations.get(name);
}
/**
@ -161,14 +133,11 @@ public class PluginManager {
public NumberImplementation interfaceImplementationFor(Class<? extends NumberInterface> name) {
if (cachedInterfaceImplementations.containsKey(name)) return cachedInterfaceImplementations.get(name);
NumberImplementation toReturn = null;
outside:
for (Plugin plugin : plugins) {
for (String implementationName : plugin.providedNumberImplementations()) {
NumberImplementation implementation = plugin.getNumberImplementation(implementationName);
if (implementation.getImplementation().equals(name)) {
for(String key : registeredNumberImplementations.keySet()){
NumberImplementation implementation = registeredNumberImplementations.get(key);
if(implementation.getImplementation() == name) {
toReturn = implementation;
break outside;
}
break;
}
}
cachedInterfaceImplementations.put(name, toReturn);
@ -227,12 +196,6 @@ public class PluginManager {
if (disabledPlugins.contains(plugin.getClass().getName())) continue;
plugin.enable();
}
for (Plugin plugin : plugins) {
if (disabledPlugins.contains(plugin.getClass().getName())) continue;
allFunctions.addAll(plugin.providedFunctions());
allOperators.addAll(plugin.providedOperators());
allNumberImplementations.addAll(plugin.providedNumberImplementations());
}
listeners.forEach(e -> e.onLoad(this));
}
@ -246,14 +209,8 @@ public class PluginManager {
if (disabledPlugins.contains(plugin.getClass().getName())) continue;
plugin.disable();
}
cachedFunctions.clear();
cachedOperators.clear();
cachedNumberImplementations.clear();
cachedInterfaceImplementations.clear();
cachedPi.clear();
allFunctions.clear();
allOperators.clear();
allNumberImplementations.clear();
listeners.forEach(e -> e.onUnload(this));
}
@ -271,7 +228,7 @@ public class PluginManager {
* @return the set of all functions that were loaded.
*/
public Set<String> getAllFunctions() {
return allFunctions;
return registeredFunctions.keySet();
}
/**
@ -280,7 +237,7 @@ public class PluginManager {
* @return the set of all operators that were loaded.
*/
public Set<String> getAllOperators() {
return allOperators;
return registeredOperators.keySet();
}
/**
@ -289,7 +246,7 @@ public class PluginManager {
* @return the set of all implementations that were loaded.
*/
public Set<String> getAllNumberImplementations() {
return allNumberImplementations;
return registeredNumberImplementations.keySet();
}
/**

4
src/main/java/org/nwapw/abacus/plugin/StandardPlugin.java
View File

@ -371,7 +371,7 @@ public class StandardPlugin extends Plugin {
@Override
protected NumberInterface applyInternal(NumberInterface[] params) {
NumberInterface pi = getPi(params[0].getClass());
NumberInterface pi = piFor(params[0].getClass());
NumberInterface twoPi = pi.multiply(fromInt(pi.getClass(), 2));
NumberInterface theta = getSmallAngle(params[0], pi);
//System.out.println(theta);
@ -395,7 +395,7 @@ public class StandardPlugin extends Plugin {
@Override
protected NumberInterface applyInternal(NumberInterface[] params) {
return functionSin.apply(getPi(params[0].getClass()).divide(fromInt(params[0].getClass(), 2))
return functionSin.apply(piFor(params[0].getClass()).divide(fromInt(params[0].getClass(), 2))
.subtract(params[0]));
}
};

4
src/main/resources/abacus.fxml
View File

@ -50,7 +50,9 @@
<ListView fx:id="enabledPluginView"
GridPane.rowIndex="1" GridPane.columnIndex="0"
GridPane.columnSpan="2" maxHeight="100"/>
<FlowPane GridPane.columnIndex="0" GridPane.columnSpan="2" GridPane.rowIndex="2" hgap="10"
<Text GridPane.columnIndex="0" GridPane.rowIndex="2" text="Computation Limit"/>
<TextField fx:id="computationLimitField" GridPane.columnIndex="1" GridPane.rowIndex="2"/>
<FlowPane GridPane.columnIndex="0" GridPane.columnSpan="2" GridPane.rowIndex="3" hgap="10"
vgap="10">
<Button text="Apply" onAction="#performSave"/>
<Button text="Reload Plugins" onAction="#performReload"/>

2
src/test/java/org/nwapw/abacus/tests/CalculationTests.java
View File

@ -11,7 +11,7 @@ import org.nwapw.abacus.tree.TreeNode;
public class CalculationTests {
private static Abacus abacus = new Abacus(new Configuration("precise", new String[]{}));
private static Abacus abacus = new Abacus(new Configuration(0, "precise", new String[]{}));
@BeforeClass
public static void prepareTests(){

2
src/test/java/org/nwapw/abacus/tests/TokenizerTests.java
View File

@ -19,7 +19,7 @@ import java.util.List;
public class TokenizerTests {
private static Abacus abacus = new Abacus(new Configuration("precise", new String[]{}));
private static Abacus abacus = new Abacus(new Configuration(0, "precise", new String[]{}));
private static LexerTokenizer lexerTokenizer = new LexerTokenizer();
private static Function subtractFunction = new Function() {
@Override