/*
* Copyright [2012-2014] 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.processor;
import java.io.File;
import java.io.IOException;
import ml.shifu.shifu.container.obj.ModelConfig;
import ml.shifu.shifu.container.obj.ModelTrainConf.ALGORITHM;
import ml.shifu.shifu.util.JSONUtils;
import org.apache.commons.io.FileUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* CreateModelProcessor class
*/
public class CreateModelProcessor extends BasicModelProcessor implements Processor {
/**
* log object
*/
private final static Logger log = LoggerFactory.getLogger(CreateModelProcessor.class);
/**
* model name and description
*/
private String name;
private ALGORITHM alg;
private String description;
/**
* Constructor, giving a model and a model description to initialize a model configuration
*
* @param modelSetName
* the model set name
* @param modelAlg
* the algorithm
* @param description
* the description
*/
public CreateModelProcessor(String modelSetName, ALGORITHM modelAlg, String description) {
this.name = modelSetName;
this.alg = modelAlg;
this.description = description;
}
/**
* Runner, running the create model processor
*
* @throws IOException
* - when creating files
*/
@Override
public int run() throws IOException {
File modelSetFolder = new File(name);
if(modelSetFolder.exists()) {
log.error("ModelSet - {} already exists.", name);
return 1;
}
try {
log.info("Creating ModelSet Folder: " + modelSetFolder.getCanonicalPath() + "...");
FileUtils.forceMkdir(modelSetFolder);
log.info("Creating Initial ModelConfig.json ...");
modelConfig = ModelConfig.createInitModelConfig(name, alg, description);
JSONUtils.writeValue(new File(modelSetFolder.getCanonicalPath() + File.separator + "ModelConfig.json"),
modelConfig);
createHead(modelSetFolder.getCanonicalPath());
log.info("Step Finished: new");
} catch (Exception e) {
log.error("Error:", e);
return -1;
}
return 0;
}
}