📄 segmentedtimeline.basetimelinesegmentrange.html
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<HTML><BODY BGCOLOR="white"><PRE><FONT color="green">001</FONT> /* ===========================================================<a name="line.1"></a><FONT color="green">002</FONT> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a><FONT color="green">003</FONT> * ===========================================================<a name="line.3"></a><FONT color="green">004</FONT> *<a name="line.4"></a><FONT color="green">005</FONT> * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.<a name="line.5"></a><FONT color="green">006</FONT> *<a name="line.6"></a><FONT color="green">007</FONT> * Project Info: http://www.jfree.org/jfreechart/index.html<a name="line.7"></a><FONT color="green">008</FONT> *<a name="line.8"></a><FONT color="green">009</FONT> * This library is free software; you can redistribute it and/or modify it <a name="line.9"></a><FONT color="green">010</FONT> * under the terms of the GNU Lesser General Public License as published by <a name="line.10"></a><FONT color="green">011</FONT> * the Free Software Foundation; either version 2.1 of the License, or <a name="line.11"></a><FONT color="green">012</FONT> * (at your option) any later version.<a name="line.12"></a><FONT color="green">013</FONT> *<a name="line.13"></a><FONT color="green">014</FONT> * This library is distributed in the hope that it will be useful, but <a name="line.14"></a><FONT color="green">015</FONT> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY <a name="line.15"></a><FONT color="green">016</FONT> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public <a name="line.16"></a><FONT color="green">017</FONT> * License for more details.<a name="line.17"></a><FONT color="green">018</FONT> *<a name="line.18"></a><FONT color="green">019</FONT> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a><FONT color="green">020</FONT> * License along with this library; if not, write to the Free Software<a name="line.20"></a><FONT color="green">021</FONT> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, <a name="line.21"></a><FONT color="green">022</FONT> * USA. <a name="line.22"></a><FONT color="green">023</FONT> *<a name="line.23"></a><FONT color="green">024</FONT> * [Java is a trademark or registered trademark of Sun Microsystems, Inc. <a name="line.24"></a><FONT color="green">025</FONT> * in the United States and other countries.]<a name="line.25"></a><FONT color="green">026</FONT> *<a name="line.26"></a><FONT color="green">027</FONT> * -----------------------<a name="line.27"></a><FONT color="green">028</FONT> * SegmentedTimeline.java<a name="line.28"></a><FONT color="green">029</FONT> * -----------------------<a name="line.29"></a><FONT color="green">030</FONT> * (C) Copyright 2003-2005, by Bill Kelemen and Contributors.<a name="line.30"></a><FONT color="green">031</FONT> *<a name="line.31"></a><FONT color="green">032</FONT> * Original Author: Bill Kelemen;<a name="line.32"></a><FONT color="green">033</FONT> * Contributor(s): David Gilbert (for Object Refinery Limited);<a name="line.33"></a><FONT color="green">034</FONT> *<a name="line.34"></a><FONT color="green">035</FONT> * $Id: SegmentedTimeline.java,v 1.9.2.1 2005/10/25 20:37:34 mungady Exp $<a name="line.35"></a><FONT color="green">036</FONT> *<a name="line.36"></a><FONT color="green">037</FONT> * Changes<a name="line.37"></a><FONT color="green">038</FONT> * -------<a name="line.38"></a><FONT color="green">039</FONT> * 23-May-2003 : Version 1 (BK);<a name="line.39"></a><FONT color="green">040</FONT> * 15-Aug-2003 : Implemented Cloneable (DG);<a name="line.40"></a><FONT color="green">041</FONT> * 01-Jun-2004 : Modified to compile with JDK 1.2.2 (DG);<a name="line.41"></a><FONT color="green">042</FONT> * 30-Sep-2004 : Replaced getTime().getTime() with getTimeInMillis() (DG);<a name="line.42"></a><FONT color="green">043</FONT> * 04-Nov-2004 : Reverted change of 30-Sep-2004, won't work with JDK 1.3 (DG);<a name="line.43"></a><FONT color="green">044</FONT> * 11-Jan-2005 : Removed deprecated code in preparation for 1.0.0 release (DG);<a name="line.44"></a><FONT color="green">045</FONT> * <a name="line.45"></a><FONT color="green">046</FONT> */<a name="line.46"></a><FONT color="green">047</FONT> <a name="line.47"></a><FONT color="green">048</FONT> package org.jfree.chart.axis;<a name="line.48"></a><FONT color="green">049</FONT> <a name="line.49"></a><FONT color="green">050</FONT> import java.io.Serializable;<a name="line.50"></a><FONT color="green">051</FONT> import java.util.ArrayList;<a name="line.51"></a><FONT color="green">052</FONT> import java.util.Calendar;<a name="line.52"></a><FONT color="green">053</FONT> import java.util.Collections;<a name="line.53"></a><FONT color="green">054</FONT> import java.util.Date;<a name="line.54"></a><FONT color="green">055</FONT> import java.util.GregorianCalendar;<a name="line.55"></a><FONT color="green">056</FONT> import java.util.Iterator;<a name="line.56"></a><FONT color="green">057</FONT> import java.util.List;<a name="line.57"></a><FONT color="green">058</FONT> import java.util.SimpleTimeZone;<a name="line.58"></a><FONT color="green">059</FONT> import java.util.TimeZone;<a name="line.59"></a><FONT color="green">060</FONT> <a name="line.60"></a><FONT color="green">061</FONT> /**<a name="line.61"></a><FONT color="green">062</FONT> * A {@link Timeline} that implements a "segmented" timeline with included, <a name="line.62"></a><FONT color="green">063</FONT> * excluded and exception segments.<a name="line.63"></a><FONT color="green">064</FONT> * <P><a name="line.64"></a><FONT color="green">065</FONT> * A Timeline will present a series of values to be used for an axis. Each<a name="line.65"></a><FONT color="green">066</FONT> * Timeline must provide transformation methods between domain values and<a name="line.66"></a><FONT color="green">067</FONT> * timeline values.<a name="line.67"></a><FONT color="green">068</FONT> * <P><a name="line.68"></a><FONT color="green">069</FONT> * A timeline can be used as parameter to a <a name="line.69"></a><FONT color="green">070</FONT> * {@link org.jfree.chart.axis.DateAxis} to define the values that this axis <a name="line.70"></a><FONT color="green">071</FONT> * supports. This class implements a timeline formed by segments of equal <a name="line.71"></a><FONT color="green">072</FONT> * length (ex. days, hours, minutes) where some segments can be included in the<a name="line.72"></a><FONT color="green">073</FONT> * timeline and others excluded. Therefore timelines like "working days" or<a name="line.73"></a><FONT color="green">074</FONT> * "working hours" can be created where non-working days or non-working hours <a name="line.74"></a><FONT color="green">075</FONT> * respectively can be removed from the timeline, and therefore from the axis.<a name="line.75"></a><FONT color="green">076</FONT> * This creates a smooth plot with equal separation between all included <a name="line.76"></a><FONT color="green">077</FONT> * segments.<a name="line.77"></a><FONT color="green">078</FONT> * <P><a name="line.78"></a><FONT color="green">079</FONT> * Because Timelines were created mainly for Date related axis, values are<a name="line.79"></a><FONT color="green">080</FONT> * represented as longs instead of doubles. In this case, the domain value is<a name="line.80"></a><FONT color="green">081</FONT> * just the number of milliseconds since January 1, 1970, 00:00:00 GMT as <a name="line.81"></a><FONT color="green">082</FONT> * defined by the getTime() method of {@link java.util.Date}.<a name="line.82"></a><FONT color="green">083</FONT> * <P><a name="line.83"></a><FONT color="green">084</FONT> * In this class, a segment is defined as a unit of time of fixed length. <a name="line.84"></a><FONT color="green">085</FONT> * Examples of segments are: days, hours, minutes, etc. The size of a segment <a name="line.85"></a><FONT color="green">086</FONT> * is defined as the number of milliseconds in the segment. Some useful segment<a name="line.86"></a><FONT color="green">087</FONT> * sizes are defined as constants in this class: DAY_SEGMENT_SIZE, <a name="line.87"></a><FONT color="green">088</FONT> * HOUR_SEGMENT_SIZE, FIFTEEN_MINUTE_SEGMENT_SIZE and MINUTE_SEGMENT_SIZE.<a name="line.88"></a><FONT color="green">089</FONT> * <P><a name="line.89"></a><FONT color="green">090</FONT> * Segments are group together to form a Segment Group. Each Segment Group will<a name="line.90"></a><FONT color="green">091</FONT> * contain a number of Segments included and a number of Segments excluded. This<a name="line.91"></a><FONT color="green">092</FONT> * Segment Group structure will repeat for the whole timeline.<a name="line.92"></a><FONT color="green">093</FONT> * <P><a name="line.93"></a><FONT color="green">094</FONT> * For example, a working days SegmentedTimeline would be formed by a group of<a name="line.94"></a><FONT color="green">095</FONT> * 7 daily segments, where there are 5 included (Monday through Friday) and 2<a name="line.95"></a><FONT color="green">096</FONT> * excluded (Saturday and Sunday) segments.<a name="line.96"></a><FONT color="green">097</FONT> * <P><a name="line.97"></a><FONT color="green">098</FONT> * Following is a diagram that explains the major attributes that define a <a name="line.98"></a><FONT color="green">099</FONT> * segment. Each box is one segment and must be of fixed length (ms, second, <a name="line.99"></a><FONT color="green">100</FONT> * hour, day, etc).<a name="line.100"></a><FONT color="green">101</FONT> * <p><a name="line.101"></a><FONT color="green">102</FONT> * <pre><a name="line.102"></a><FONT color="green">103</FONT> * start time<a name="line.103"></a><FONT color="green">104</FONT> * |<a name="line.104"></a><FONT color="green">105</FONT> * v<a name="line.105"></a><FONT color="green">106</FONT> * 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ...<a name="line.106"></a><FONT color="green">107</FONT> * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+...<a name="line.107"></a><FONT color="green">108</FONT> * | | | | | |EE|EE| | | | | |EE|EE| | | | | |EE|EE|<a name="line.108"></a><FONT color="green">109</FONT> * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+...<a name="line.109"></a><FONT color="green">110</FONT> * \____________/ \___/ \_/<a name="line.110"></a><FONT color="green">111</FONT> * \/ | |<a name="line.111"></a><FONT color="green">112</FONT> * included excluded segment<a name="line.112"></a><FONT color="green">113</FONT> * segments segments size<a name="line.113"></a><FONT color="green">114</FONT> * \_________ _______/<a name="line.114"></a><FONT color="green">115</FONT> * \/<a name="line.115"></a><FONT color="green">116</FONT> * segment group<a name="line.116"></a><FONT color="green">117</FONT> * </pre><a name="line.117"></a><FONT color="green">118</FONT> * Legend:<br><a name="line.118"></a><FONT color="green">119</FONT> * &lt;space&gt; = Included segment<br><a name="line.119"></a><FONT color="green">120</FONT> * EE = Excluded segments in the base timeline<br><a name="line.120"></a><FONT color="green">121</FONT> * <p><a name="line.121"></a><FONT color="green">122</FONT> * In the example, the following segment attributes are presented:<a name="line.122"></a><FONT color="green">123</FONT> * <ul><a name="line.123"></a><FONT color="green">124</FONT> * <li>segment size: the size of each segment in ms.<a name="line.124"></a><FONT color="green">125</FONT> * <li>start time: the start of the first segment of the first segment group to<a name="line.125"></a><FONT color="green">126</FONT> * consider.<a name="line.126"></a><FONT color="green">127</FONT> * <li>included segments: the number of segments to include in the group.<a name="line.127"></a><FONT color="green">128</FONT> * <li>excluded segments: the number of segments to exclude in the group.<a name="line.128"></a><FONT color="green">129</FONT> * </ul><a name="line.129"></a><FONT color="green">130</FONT> * <p><a name="line.130"></a><FONT color="green">131</FONT> * Exception Segments are allowed. These exception segments are defined as<a name="line.131"></a><FONT color="green">132</FONT> * segments that would have been in the included segments of the Segment Group,<a name="line.132"></a><FONT color="green">133</FONT> * but should be excluded for special reasons. In the previous working days<a name="line.133"></a><FONT color="green">134</FONT> * SegmentedTimeline example, holidays would be considered exceptions.<a name="line.134"></a><FONT color="green">135</FONT> * <P><a name="line.135"></a>⌨️ 快捷键说明
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