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/*
 * Copyright (c) 2009, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package org.glassfish.flashlight.datatree;

import java.lang.reflect.Method;

/**
 * A method implementation can be setup to return a value for a particular statistic
 * On a call to {@link org.glassfish.flashlight.datatree.TreeNode#getValue()}, the method
 * object on the instance is invoked
 * @author Harpreet Singh
 */
public interface MethodInvoker extends TreeElement {

    void setMethod (Method m);

    Method getMethod ();

    void setInstance (Object i);

    Object getInstance ();
}