SessionInfo.java
1/*******************************************************************************
2 * Copyright (c) 2009, 2010 Mountainminds GmbH & Co. KG and Contributors
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * Marc R. Hoffmann - initial API and implementation
10 *
11 *******************************************************************************/
12package org.jacoco.core.data;
13
14
15/**
16 * Data object describing a session which was the source of execution data.
17 * {@link SessionInfo} instances can be sorted by dump date through the
18 * {@link Comparable} interface.
19 *
20 * @author Marc R. Hoffmann
21 * @version 0.4.1.20101007204400
22 */
23public class SessionInfo implements Comparable<SessionInfo> {
24
25 private final String id;
26
27 private final long start;
28
29 private final long dump;
30
31 /**
32 * Create a immutable session info with the given data.
33 *
34 * @param id
35 * arbitrary session identifier, must not be <code>null</code>
36 * @param start
37 * the epoc based time stamp when execution data recording has
38 * been started
39 * @param dump
40 * the epoc based time stamp when execution data was collected
41 */
42 public SessionInfo(final String id, final long start, final long dump) {
43 if (id == null) {
44 throw new NullPointerException();
45 }
46 this.id = id;
47 this.start = start;
48 this.dump = dump;
49 }
50
51 /**
52 * @return identifier for this session
53 */
54 public String getId() {
55 return id;
56 }
57
58 /**
59 * @return the epoc based time stamp when execution data recording has been
60 * started
61 */
62 public long getStartTimeStamp() {
63 return start;
64 }
65
66 /**
67 * @return the epoc based time stamp when execution data was collected
68 */
69 public long getDumpTimeStamp() {
70 return dump;
71 }
72
73 public int compareTo(final SessionInfo other) {
74 if (this.dump < other.dump) {
75 return -1;
76 }
77 if (this.dump > other.dump) {
78 return +1;
79 }
80 return 0;
81 }
82
83 @Override
84 public String toString() {
85 return "SessionInfo [" + id + "]";
86 }
87}