QSimComponentsConfig.java

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/* *********************************************************************** *
 * project: org.matsim.*
 * QSimComponentsConfig.java
 *                                                                         *
 * *********************************************************************** *
 *                                                                         *
 * copyright       : (C) 2019 by the members listed in the COPYING,        *
 *                   LICENSE and WARRANTY file.                            *
 * email           : info at matsim dot org                                *
 *                                                                         *
 * *********************************************************************** *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *   See also COPYING, LICENSE and WARRANTY file                           *
 *                                                                         *
 * *********************************************************************** */

 package org.matsim.core.mobsim.qsim.components;

import java.lang.annotation.Annotation;
import java.util.Collections;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;

import com.google.inject.Key;
import com.google.inject.name.Names;

final public class QSimComponentsConfig {
    private final List<Object> components = new LinkedList<>();
    private final Set<Key<?>> keys = new HashSet<>();


    @Deprecated
    public void addComponent(Class<? extends Annotation> annotation) {
        addComponent(Key.get(Object.class, annotation));
        components.add(annotation);
    }

    @Deprecated
    public void addComponent(Annotation annotation) {
        addComponent(Key.get(Object.class, annotation));
        components.add(annotation);
    }

    private void addComponent(Key<?> componentKey) {
        if (keys.contains(componentKey)) {
            throw new IllegalStateException(keyToString(componentKey) + " is already registered.");
        }
        keys.add(componentKey);
    }

    @Deprecated
    public void addNamedComponent(String name) {
        addComponent(Names.named(name));
    }

    @Deprecated
    public void removeComponent(Class<? extends Annotation> annotation) {
        addComponent(Key.get(Object.class, annotation));
        components.remove(annotation);
    }

    @Deprecated
    public void removeComponent(Annotation annotation) {
        removeComponent(Key.get(Object.class, annotation));
        components.remove(annotation);
    }

    private void removeComponent(Key<?> componentKey) {
        if (!keys.remove(componentKey)) {
            throw new IllegalStateException(keyToString(componentKey) + " is not registered.");
        }
    }

    @Deprecated
    public void removeNamedComponent(String name) {
        removeComponent(Names.named(name));
    }

    @Deprecated
    public boolean hasComponent(Class<? extends Annotation> annotation) {
        return hasComponent(Key.get(Object.class, annotation));
    }

    @Deprecated
    public boolean hasComponent(Annotation annotation) {
        return hasComponent(Key.get(Object.class, annotation));
    }

    private boolean hasComponent(Key<?> componentKey) {
        return keys.contains(componentKey);
    }

    @Deprecated
    public boolean hasNamedComponent(String name) {
        return hasComponent(Names.named(name));
    }

    private String keyToString(Key<?> componentKey) {
        return "Annotation" + componentKey.getAnnotation() != null ?
                " " + componentKey.getAnnotation() :
                "Type " + componentKey.getAnnotationType();
    }

    @Deprecated
    public void clear() {
        components.clear();
        keys.clear();
    }

    @Deprecated
    public List<Object> getActiveComponents() {
        return Collections.unmodifiableList(components);
    }
}