io.qt.QtObjectInterface Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of qtjambi Show documentation
Show all versions of qtjambi Show documentation
QtJambi base module containing QtCore, QtGui and QtWidgets.
/****************************************************************************
**
** Copyright (C) 2009-2024 Dr. Peter Droste, Omix Visualization GmbH & Co. KG. All rights reserved.
**
** This file is part of Qt Jambi.
**
** $BEGIN_LICENSE$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
** $END_LICENSE$
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
package io.qt;
/**
* The super interface of all native interface types provided by QtJambi.
* The native counterpart is owned by the object if it has been constructed in Java.
* This counterpart is assumed to be created during Java constructor call
* and deleted as soon as garbage collection deletes the Java object.
*
* Call {@link #dispose()} to disconnect the Java object from its the native counterpart.
* If the native component is owned by by Java it is deleted this way.
* Otherwise, only the link between native and Java object is removed.
* To check if the Java object is alive use {@link #isDisposed()}.
*/
public interface QtObjectInterface{
/**
* Explicitly removes the native resources held by the
* object. Note that though this method does not guarantee that
* the object will be garbage collected, it is not safe to
* reference the object after it has been disposed.
*/
@io.qt.QtDeclaredFinal
public default void dispose() {
Utility.disposeObject(this);
}
/**
* Is java object connected to native object?
* @return true if disposed
*/
@io.qt.QtDeclaredFinal
public default boolean isDisposed() {
return Utility.isObjectDisposed(this);
}
}