org.optaplanner.benchmark.impl.statistic.StatisticPoint Maven / Gradle / Ivy
/*
* Copyright 2014 Red Hat, Inc. and/or its affiliates.
*
* 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.optaplanner.benchmark.impl.statistic;
import java.util.ArrayList;
import java.util.List;
/**
* Implementations must be immutable.
*/
public abstract class StatisticPoint {
public abstract String toCsvLine();
public static String buildCsvLineWithLongs(long timeMillisSpent, long... values) {
StringBuilder line = new StringBuilder(values.length * 10);
line.append(Long.toString(timeMillisSpent));
for (long value : values) {
line.append(",").append(Long.toString(value));
}
return line.toString();
}
public static String buildCsvLineWithDoubles(long timeMillisSpent, double... values) {
StringBuilder line = new StringBuilder(values.length * 10);
line.append(Long.toString(timeMillisSpent));
for (double value : values) {
line.append(",").append(Double.toString(value));
}
return line.toString();
}
public static String buildCsvLineWithStrings(long timeMillisSpent, String... values) {
StringBuilder line = new StringBuilder(values.length * 10);
line.append(Long.toString(timeMillisSpent));
for (String value : values) {
line.append(",").append("\"").append(value.replaceAll("\"", "\"\"")).append("\"");
}
return line.toString();
}
public static String buildCsvLine(String... values) {
StringBuilder line = new StringBuilder(values.length * 10);
for (String value : values) {
line.append(",").append("\"").append(value.replaceAll("\"", "\"\"")).append("\"");
}
return line.substring(1).toString();
}
public static List parseCsvLine(String line) {
String[] tokens = line.split(",");
List csvLine = new ArrayList(tokens.length);
for (int i = 0; i < tokens.length; i++) {
String token = tokens[i];
while (token.trim().startsWith("\"") && !token.trim().endsWith("\"")) {
i++;
if (i >= tokens.length) {
throw new IllegalArgumentException("The CSV line (" + line + ") is not a valid CSV line.");
}
token += "," + tokens[i];
}
token = token.trim();
if (token.startsWith("\"") && token.endsWith("\"")) {
token = token.substring(1, token.length() - 1);
token = token.replaceAll("\"\"", "\"");
}
csvLine.add(token);
}
return csvLine;
}
}