Fuel.java [src/java/crlmod/nodes] Revision: default Date:
/*
* $Id: 1.0+62 Fuel.java a170e1637ffa 2021-12-20 od $
*
* This file is part of the Cloud Services Integration Platform (CSIP),
* a Model-as-a-Service framework, API, and application suite.
*
* 2012-2024, OMSLab, Colorado State University.
*
* OMSLab licenses this file to you under the MIT license.
* See the LICENSE file in the project root for more information.
*/
package crlmod.nodes;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import crlmod.utils.NodeTranslator;
import org.codehaus.jettison.json.JSONException;
import org.w3c.dom.Document;
/**
* @author Lucas Yaege
*/
public class Fuel {
/**
* The file key in LMOD which uniquely identifies this fuel
*/
public String file_key;
/**
* The name of this fuel
*/
public String name;
/**
* The path of this fuel (From RUSLE2 historical file-based system)
*/
public String path;
/**
* The date on which this file was list changed.
*/
public String date;
/**
* The name of the creator or publisher of this data.
*/
public String owner;
/**
* The group which is permitted to alter this data
*/
public String password;
/**
* The LMOD status of this object. (pending, approved, published)
*/
public String status;
/**
* Short description of this fuel
*/
public String descrip;
/**
* The cost per volume of this fuel in USD per gallon.
*/
public String cost;
/**
* The energy per volume of this fuel in BTU per gallon.
*/
public String energy;
/**
* A date which represents the versions of Rusle2 which was used to create
* this data.
*/
public String scienceVersion;
/**
* A ratio which indicates how to convert from Diesel to this fuel.
*/
public String convert;
/**
* An XML string which holds the RUSLE2 specific representation of this fuel
*/
public String r2Data;
public Fuel(String file_key) {
this.file_key = file_key;
}
public Fuel(String filekey, String name, String path, String date, String owner, String password) {
this.file_key = filekey;
this.name = name;
this.path = path;
this.date = date;
this.owner = owner;
this.password = password;
}
public String getFile_key() {
return file_key;
}
public String getName() {
return name;
}
public String getPath() {
return path;
}
public String getOwner() {
return owner;
}
public String getDate() {
return date;
}
public String getPassword() {
return password;
}
public String getR2Data() {
return r2Data;
}
/**
* Populates name and path of the fuel indicated by the file_key with which it
* was instantiated.
*
* @param connection Connection to the LMOD Database
* @return String indicating the details of an error that has occurred.
* @throws SQLException
*/
public String popPrev(Connection connection) throws SQLException {
try (Statement statement = connection.createStatement()) {
String query = "SELECT file_name, file_path,\n"
+ "CASE \n"
+ "WHEN published_date is not null THEN 'published' \n"
+ "WHEN approved_date is not null THEN 'approved' \n"
+ "WHEN imported_date is not null THEN 'pending' \n"
+ "END as status \n"
+ "FROM file_metadata \n"
+ "WHERE file_key = " + file_key + "\n"
+ "AND object_key = 'ful'";
try (ResultSet resultSet = statement.executeQuery(query)) {
if (!resultSet.next()) {
return "no fuel with file key " + file_key;
}
name = resultSet.getString("file_name");
path = resultSet.getString("file_path");
status = resultSet.getString("status");
}
}
return null;
}
public String populate(Connection connection) throws SQLException {
try (Statement statement = connection.createStatement()) {
String query;
//get cost
query = "SELECT param_name,param_value \n"
+ "FROM file_data \n"
+ "WHERE param_name = 'FUEL_COST_PER_UNIT_VOLUME' \n"
+ "AND file_key = " + file_key + "\n";
try (ResultSet resultSet = statement.executeQuery(query)) {
if (resultSet.next()) {
cost = resultSet.getString("param_value");
}
}
statement.clearBatch();
//get energy
query = "SELECT param_name,param_value \n"
+ "FROM file_data \n"
+ "WHERE param_name = 'FUEL_ENERGY_PER_VOLUME' \n"
+ "AND file_key = " + file_key + "\n";
try (ResultSet resultSet = statement.executeQuery(query)) {
if (resultSet.next()) {
energy = resultSet.getString("param_value");
}
}
statement.clearBatch();
//get description
query = "SELECT param_name,param_value \n"
+ "FROM file_data \n"
+ "WHERE param_name = 'FUEL_DESCRIP' \n"
+ "AND file_key = " + file_key + "\n";
try (ResultSet resultSet = statement.executeQuery(query)) {
if (resultSet.next()) {
descrip = resultSet.getString("param_value");
}
}
statement.clearBatch();
//get width
query = "SELECT param_name,param_value \n"
+ "FROM file_data \n"
+ "WHERE param_name = 'RUSLE2:SCIENCEVERSION' \n"
+ "AND file_key = " + file_key + "\n";
try (ResultSet resultSet = statement.executeQuery(query)) {
if (resultSet.next()) {
scienceVersion = resultSet.getString("param_value");
}
}
statement.clearBatch();
//get convert
query = "SELECT param_name,param_value \n"
+ "FROM file_data \n"
+ "WHERE param_name = 'FUEL_CONVERT_DIESEL_TO_THIS_FUEL' \n"
+ "AND file_key = " + file_key + "\n";
try (ResultSet resultSet = statement.executeQuery(query)) {
if (resultSet.next()) {
convert = resultSet.getString("param_value");
}
}
statement.clearBatch();
}
return null;
}
public String getFuelData(boolean r2) throws SQLException, JSONException, ParserConfigurationException {
String error = null;
if (r2) {
DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
// root elements
Document doc = docBuilder.newDocument();
error = NodeTranslator.getFuelR2XML(this, doc);
if (error != null) {
return error;
}
r2Data = crlmod.utils.Utils.getStringFromDocument(doc);
}
return null;
}
}