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DDogleg Numerics is a high performance Java library for non-linear optimization, robust model fitting, polynomial root finding, sorting, and more.
/*
* Copyright (c) 2012-2015, Peter Abeles. All Rights Reserved.
*
* This file is part of DDogleg (http://ddogleg.org).
*
* 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 org.ddogleg.fitting.modelset;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/**
* Default model manager. Assumes the model class has a no argument constructor and a set function.
*
* @author Peter Abeles
*/
public class ModelManagerDefault implements ModelManager {
Class type;
Method copyMethod;
public ModelManagerDefault(Class type) {
this.type = type;
try {
copyMethod = type.getMethod("set",type);
} catch (NoSuchMethodException e) {
throw new RuntimeException("Was expecting a data.set(Type a) method",e);
}
}
@Override
public T createModelInstance() {
try {
return (T)type.newInstance();
} catch (InstantiationException e) {
throw new RuntimeException(e);
} catch (IllegalAccessException e) {
throw new RuntimeException(e);
}
}
@Override
public void copyModel(T src, T dst) {
try {
copyMethod.invoke(dst,src);
} catch (IllegalAccessException e) {
throw new RuntimeException(e);
} catch (InvocationTargetException e) {
throw new RuntimeException(e);
}
}
}