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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
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*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package com.sun.tools.visualvm.tools.attach;
import com.sun.tools.visualvm.application.Application;
import com.sun.tools.visualvm.core.model.ModelFactory;
/**
* The AttachModelFactory class is a factory class for getting the
* {@link AttachModel} representation for the {@link Application}.
*
* @author Tomas Hurka
*/
public final class AttachModelFactory extends ModelFactory<AttachModel, Application> {
private static AttachModelFactory attachFactory;
private AttachModelFactory() {
}
/**
* Getter for the default version of the AttachModelFactory.
* @return instance of {@link AttachModelFactory}.
*/
public static synchronized AttachModelFactory getDefault() {
if (attachFactory == null) {
attachFactory = new AttachModelFactory();
}
return attachFactory;
}
/**
* Factory method for obtaining {@link AttachModel} for {@link Application}. Note that there
* is only one instance of {@link AttachModel} for a concrete application. This {@link AttachModel}
* instance is cached. This method can return <CODE>null</CODE> if there is no AttachModel
* available
* @param app application
* @return {@link AttachModel} instance or <CODE>null</CODE> if there is no
* {@link AttachModel}
*/
public static AttachModel getAttachFor(Application app) {
return getDefault().getModel(app);
}
}