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1   /*
2    * Copyright (c) 2001-2017, Zoltan Farkas All Rights Reserved.
3    *
4    * This library is free software; you can redistribute it and/or
5    * modify it under the terms of the GNU Lesser General Public
6    * License as published by the Free Software Foundation; either
7    * version 2.1 of the License, or (at your option) any later version.
8    *
9    * This library is distributed in the hope that it will be useful,
10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12   * GNU General Public License for more details.
13   *
14   * You should have received a copy of the GNU Lesser General Public
15   * License along with this program; if not, write to the Free Software
16   * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
17   *
18   * Additionally licensed with:
19   *
20   * Licensed under the Apache License, Version 2.0 (the "License");
21   * you may not use this file except in compliance with the License.
22   * You may obtain a copy of the License at
23   *
24   *      http://www.apache.org/licenses/LICENSE-2.0
25   *
26   * Unless required by applicable law or agreed to in writing, software
27   * distributed under the License is distributed on an "AS IS" BASIS,
28   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
29   * See the License for the specific language governing permissions and
30   * limitations under the License.
31   */
32  package org.spf4j.perf.impl.chart;
33  
34  import java.util.List;
35  import org.jfree.chart.axis.NumberTickUnit;
36  import org.spf4j.base.ComparablePair;
37  import org.spf4j.perf.impl.Quanta;
38  
39  /**
40   *
41   * @author zoly
42   */
43  final class QuantizedNumberTickUnit extends NumberTickUnit {
44  
45      private static final long serialVersionUID = 1L;
46  
47      private final List<ComparablePair<Quanta, Integer>> quantas;
48  
49      QuantizedNumberTickUnit(final double size, final List<ComparablePair<Quanta, Integer>> quantas) {
50          super(size);
51          this.quantas = quantas;
52      }
53  
54      @Override
55      public String valueToString(final double value) {
56          int idx = (int) Math.round(value);
57          if (idx < 0) {
58              return "NI";
59          } else if (idx >= quantas.size()) {
60              return "PI";
61          }
62          long val = quantas.get(idx).getFirst().getIntervalStart();
63          if (val == Long.MIN_VALUE) {
64              return "NI";
65          } else {
66              return Long.toString(val);
67          }
68      }
69  
70      @Override
71      public int hashCode() {
72          int hash = 3;
73          return 37 * hash + (this.quantas != null ? this.quantas.hashCode() : 0);
74      }
75  
76      @Override
77      public boolean equals(final Object obj) {
78          if (obj == null) {
79              return false;
80          }
81          if (getClass() != obj.getClass()) {
82              return false;
83          }
84          final QuantizedNumberTickUnit other = (QuantizedNumberTickUnit) obj;
85          return (!(this.quantas != other.quantas && (this.quantas == null || !this.quantas.equals(other.quantas))));
86      }
87  
88  }