/*******************************************************************************
* Copyright 2015 Analog Devices, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
********************************************************************************/
package com.analog.lyric.dimple.solvers.gibbs;
import org.eclipse.jdt.annotation.Nullable;
import com.analog.lyric.dimple.model.variables.Discrete;
import com.analog.lyric.dimple.solvers.core.parameterizedMessages.DiscreteEnergyMessage;
import com.analog.lyric.dimple.solvers.core.parameterizedMessages.IParameterizedMessage;
/**
*
* @since 0.08
* @author Christopher Barber
*/
public class GibbsDiscreteEdge extends GibbsSolverEdge<DiscreteEnergyMessage>
{
public GibbsDiscreteEdge(Discrete var)
{
super(new DiscreteEnergyMessage(var.getDomain().size()));
}
@Override
public void setFactorToVarMsg(@Nullable Object msg)
{
if (msg == null)
{
factorToVarMsg.setNull();
}
else if (msg instanceof double[])
{
factorToVarMsg.setWeights((double[])msg);
}
else
{
factorToVarMsg.setFrom((IParameterizedMessage)msg);
}
}
}