/*
* Copyright 2008-2009 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* 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).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
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*/
package org.visage.api.tree;
/**
* A tree node for a Visage interpolate value description, such as
* "<code>500 tween LINEAR</code>", where the interpolate type is LINEAR
* while 500 is the value to interpolate over.
* @author tball
*/
public interface InterpolateValueTree extends ExpressionTree {
/**
* Returns the target attribute to which this value applies.
*
* @return the target, or null if this value is declared outside of
* an interpolate block expression.
*/
ExpressionTree getAttribute();
/**
* The interpolation to be run, such as <code>LINEAR</code> or
* <code>EASEIN</code>.
* @return the interpolation name
*/
ExpressionTree getInterpolation();
/**
* Returns the value for the interpolation.
* @return the value for the interpolation.
*/
ExpressionTree getValue();
}