/*
 * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
 * Copyright (C) 2011, 2013-2016 The JavaParser Team.
 *
 * This file is part of JavaParser.
 * 
 * JavaParser can be used either under the terms of
 * a) the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * b) the terms of the Apache License 
 *
 * You should have received a copy of both licenses in LICENCE.LGPL and
 * LICENCE.APACHE. Please refer to those files for details.
 *
 * JavaParser is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 */
 
package com.github.javaparser.ast.expr;

import com.github.javaparser.Range;
import com.github.javaparser.ast.nodeTypes.NodeWithType;
import com.github.javaparser.ast.observing.ObservableProperty;
import com.github.javaparser.ast.type.ClassOrInterfaceType;
import com.github.javaparser.ast.type.Type;
import com.github.javaparser.ast.visitor.GenericVisitor;
import com.github.javaparser.ast.visitor.VoidVisitor;

/**
 * Defines an expression that accesses the class of a type.
 * Example:
 * <code>
 *     Object.class
 * </code>
 * @author Julio Vilmar Gesser
 */
public final class ClassExpr extends Expression implements NodeWithType<ClassExpr, Type<?>> {

    private Type<?> type;

    public ClassExpr() {
        this(null, new ClassOrInterfaceType());
    }

    public ClassExpr(Type<?> type) {
       this(null, type);
    }

    public ClassExpr(Range range, Type type) {
        super(range);
        setType(type);
    }

    @Override
    public <R, A> R accept(GenericVisitor<R, A> v, A arg) {
        return v.visit(this, arg);
    }

    @Override
    public <A> void accept(VoidVisitor<A> v, A arg) {
        v.visit(this, arg);
    }

    @Override
    public Type<?> getType() {
        return type;
    }

    @Override
    public ClassExpr setType(Type<?> type) {
        notifyPropertyChange(ObservableProperty.TYPE, this.type, type);
        this.type = type;
		setAsParentNodeOf(this.type);
        return this;
    }
}