/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.jmeter.report.processor.graph;
import java.util.LinkedList;
import java.util.List;
import org.apache.jmeter.report.core.Sample;
/**
* The class IndexedNameSelector provides a projection from a sample to its name
* and maintains an index of the projected names.
*
* @since 3.0
*/
public class IndexedNameSelector implements GraphKeysSelector {
/** The names. */
private LinkedList<String> names = new LinkedList<>();
/**
* Gets the names.
*
* @return the names
*/
public final List<String> getNames() {
return names;
}
/*
* (non-Javadoc)
*
* @see
* org.apache.jmeter.report.csv.processor.SampleSelector#select(org.apache
* .jmeter.report.csv.core.Sample)
*/
@Override
public Double select(Sample sample) {
String name = sample.getName();
int index = names.indexOf(name);
if (index < 0) {
names.addLast(name);
index = names.size() - 1;
}
return Double.valueOf(index);
}
}