/*
* Copyright [2013-2016] PayPal Software Foundation
*
* 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 ml.shifu.shifu.core.pmml.builder.impl;
import ml.shifu.shifu.container.obj.ColumnConfig;
import ml.shifu.shifu.container.obj.ModelConfig;
import ml.shifu.shifu.core.pmml.builder.creator.AbstractPmmlElementCreator;
import org.dmg.pmml.FieldName;
import org.dmg.pmml.FieldUsageType;
import org.dmg.pmml.MiningField;
import org.dmg.pmml.MiningSchema;
import org.encog.ml.BasicML;
import java.util.List;
public class TreeModelMiningSchemaCreator extends AbstractPmmlElementCreator<MiningSchema> {
public TreeModelMiningSchemaCreator(ModelConfig modelConfig, List<ColumnConfig> columnConfigList) {
super(modelConfig, columnConfigList);
}
public TreeModelMiningSchemaCreator(ModelConfig modelConfig, List<ColumnConfig> columnConfigList, boolean isConcise) {
super(modelConfig, columnConfigList, isConcise);
}
@Override
public MiningSchema build(BasicML basicML) {
MiningSchema miningSchema = new MiningSchema();
for(ColumnConfig columnConfig: columnConfigList) {
if(columnConfig.isFinalSelect() || columnConfig.isTarget()) {
MiningField miningField = new MiningField();
miningField.setName(FieldName.create(columnConfig.getColumnName()));
miningField.setOptype(getOptype(columnConfig));
if(columnConfig.isNumerical()) {
miningField.setMissingValueReplacement(String.valueOf(columnConfig.getColumnStats().getMean()));
} else {
miningField.setMissingValueReplacement("");
}
if(columnConfig.isFinalSelect()) {
miningField.setUsageType(FieldUsageType.ACTIVE);
} else if(columnConfig.isTarget()) {
miningField.setUsageType(FieldUsageType.TARGET);
}
miningSchema.withMiningFields(miningField);
}
}
return miningSchema;
}
}