/*
* Encog(tm) Core v3.3 - Java Version
* http://www.heatonresearch.com/encog/
* https://github.com/encog/encog-java-core
* Copyright 2008-2014 Heaton Research, 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.
*
* For more information on Heaton Research copyrights, licenses
* and trademarks visit:
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*/
package org.encog.mathutil.probability.vars;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.encog.ml.bayesian.BayesianError;
public class VariableList {
private final List<RandomVariable> variables = new ArrayList<RandomVariable>();
private final Map<String,RandomVariable> map = new HashMap<String,RandomVariable>();
public void add(RandomVariable v) {
this.map.put(v.getLabel(), v);
this.variables.add(v);
}
public List<RandomVariable> contents() {
return this.variables;
}
public RandomVariable get(String label) {
return this.map.get(label);
}
public int indexOf(RandomVariable s) {
return this.variables.indexOf(s);
}
public int size() {
return this.variables.size();
}
public RandomVariable get(int i) {
return this.variables.get(i);
}
public RandomVariable requireEvent(String label) {
RandomVariable result = this.map.get(label);
if( result==null ) {
throw new BayesianError("The variable " + label + " is not defined.");
}
return result;
}
}