series.html

jfreechart最新源代码

<FONT color="green">137</FONT>         * @param key  the key (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.137"></a>
<FONT color="green">138</FONT>         * <a name="line.138"></a>
<FONT color="green">139</FONT>         * @see #getKey()<a name="line.139"></a>
<FONT color="green">140</FONT>         */<a name="line.140"></a>
<FONT color="green">141</FONT>        public void setKey(Comparable key) {<a name="line.141"></a>
<FONT color="green">142</FONT>            if (key == null) {<a name="line.142"></a>
<FONT color="green">143</FONT>                throw new IllegalArgumentException("Null 'key' argument.");<a name="line.143"></a>
<FONT color="green">144</FONT>            }<a name="line.144"></a>
<FONT color="green">145</FONT>            Comparable old = this.key;<a name="line.145"></a>
<FONT color="green">146</FONT>            this.key = key;<a name="line.146"></a>
<FONT color="green">147</FONT>            this.propertyChangeSupport.firePropertyChange("Key", old, key);<a name="line.147"></a>
<FONT color="green">148</FONT>        }<a name="line.148"></a>
<FONT color="green">149</FONT>    <a name="line.149"></a>
<FONT color="green">150</FONT>        /**<a name="line.150"></a>
<FONT color="green">151</FONT>         * Returns a description of the series.<a name="line.151"></a>
<FONT color="green">152</FONT>         *<a name="line.152"></a>
<FONT color="green">153</FONT>         * @return The series description (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.153"></a>
<FONT color="green">154</FONT>         * <a name="line.154"></a>
<FONT color="green">155</FONT>         * @see #setDescription(String)<a name="line.155"></a>
<FONT color="green">156</FONT>         */<a name="line.156"></a>
<FONT color="green">157</FONT>        public String getDescription() {<a name="line.157"></a>
<FONT color="green">158</FONT>            return this.description;<a name="line.158"></a>
<FONT color="green">159</FONT>        }<a name="line.159"></a>
<FONT color="green">160</FONT>    <a name="line.160"></a>
<FONT color="green">161</FONT>        /**<a name="line.161"></a>
<FONT color="green">162</FONT>         * Sets the description of the series and sends a <a name="line.162"></a>
<FONT color="green">163</FONT>         * &lt;code&gt;PropertyChangeEvent&lt;/code&gt; to all registered listeners.<a name="line.163"></a>
<FONT color="green">164</FONT>         *<a name="line.164"></a>
<FONT color="green">165</FONT>         * @param description  the description (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.165"></a>
<FONT color="green">166</FONT>         * <a name="line.166"></a>
<FONT color="green">167</FONT>         * @see #getDescription()<a name="line.167"></a>
<FONT color="green">168</FONT>         */<a name="line.168"></a>
<FONT color="green">169</FONT>        public void setDescription(String description) {<a name="line.169"></a>
<FONT color="green">170</FONT>            String old = this.description;<a name="line.170"></a>
<FONT color="green">171</FONT>            this.description = description;<a name="line.171"></a>
<FONT color="green">172</FONT>            this.propertyChangeSupport.firePropertyChange("Description", old, <a name="line.172"></a>
<FONT color="green">173</FONT>                    description);<a name="line.173"></a>
<FONT color="green">174</FONT>        }<a name="line.174"></a>
<FONT color="green">175</FONT>    <a name="line.175"></a>
<FONT color="green">176</FONT>        /**<a name="line.176"></a>
<FONT color="green">177</FONT>         * Returns the flag that controls whether or not change events are sent to <a name="line.177"></a>
<FONT color="green">178</FONT>         * registered listeners.<a name="line.178"></a>
<FONT color="green">179</FONT>         * <a name="line.179"></a>
<FONT color="green">180</FONT>         * @return A boolean.<a name="line.180"></a>
<FONT color="green">181</FONT>         * <a name="line.181"></a>
<FONT color="green">182</FONT>         * @see #setNotify(boolean)<a name="line.182"></a>
<FONT color="green">183</FONT>         */<a name="line.183"></a>
<FONT color="green">184</FONT>        public boolean getNotify() {<a name="line.184"></a>
<FONT color="green">185</FONT>            return this.notify;<a name="line.185"></a>
<FONT color="green">186</FONT>        }<a name="line.186"></a>
<FONT color="green">187</FONT>        <a name="line.187"></a>
<FONT color="green">188</FONT>        /**<a name="line.188"></a>
<FONT color="green">189</FONT>         * Sets the flag that controls whether or not change events are sent to <a name="line.189"></a>
<FONT color="green">190</FONT>         * registered listeners.<a name="line.190"></a>
<FONT color="green">191</FONT>         * <a name="line.191"></a>
<FONT color="green">192</FONT>         * @param notify  the new value of the flag.<a name="line.192"></a>
<FONT color="green">193</FONT>         * <a name="line.193"></a>
<FONT color="green">194</FONT>         * @see #getNotify()<a name="line.194"></a>
<FONT color="green">195</FONT>         */<a name="line.195"></a>
<FONT color="green">196</FONT>        public void setNotify(boolean notify) {<a name="line.196"></a>
<FONT color="green">197</FONT>            if (this.notify != notify) {<a name="line.197"></a>
<FONT color="green">198</FONT>                this.notify = notify;<a name="line.198"></a>
<FONT color="green">199</FONT>                fireSeriesChanged();<a name="line.199"></a>
<FONT color="green">200</FONT>            }<a name="line.200"></a>
<FONT color="green">201</FONT>        }<a name="line.201"></a>
<FONT color="green">202</FONT>        <a name="line.202"></a>
<FONT color="green">203</FONT>        /**<a name="line.203"></a>
<FONT color="green">204</FONT>         * Returns a clone of the series.<a name="line.204"></a>
<FONT color="green">205</FONT>         * &lt;P&gt;<a name="line.205"></a>
<FONT color="green">206</FONT>         * Notes:<a name="line.206"></a>
<FONT color="green">207</FONT>         * &lt;ul&gt;<a name="line.207"></a>
<FONT color="green">208</FONT>         * &lt;li&gt;No need to clone the name or description, since String object is <a name="line.208"></a>
<FONT color="green">209</FONT>         * immutable.&lt;/li&gt;<a name="line.209"></a>
<FONT color="green">210</FONT>         * &lt;li&gt;We set the listener list to empty, since the listeners did not <a name="line.210"></a>
<FONT color="green">211</FONT>         * register with the clone.&lt;/li&gt;<a name="line.211"></a>
<FONT color="green">212</FONT>         * &lt;li&gt;Same applies to the PropertyChangeSupport instance.&lt;/li&gt;<a name="line.212"></a>
<FONT color="green">213</FONT>         * &lt;/ul&gt;<a name="line.213"></a>
<FONT color="green">214</FONT>         *<a name="line.214"></a>
<FONT color="green">215</FONT>         * @return A clone of the series.<a name="line.215"></a>
<FONT color="green">216</FONT>         * <a name="line.216"></a>
<FONT color="green">217</FONT>         * @throws CloneNotSupportedException  not thrown by this class, but <a name="line.217"></a>
<FONT color="green">218</FONT>         *         subclasses may differ.<a name="line.218"></a>
<FONT color="green">219</FONT>         */<a name="line.219"></a>
<FONT color="green">220</FONT>        public Object clone() throws CloneNotSupportedException {<a name="line.220"></a>
<FONT color="green">221</FONT>    <a name="line.221"></a>
<FONT color="green">222</FONT>            Series clone = (Series) super.clone();<a name="line.222"></a>
<FONT color="green">223</FONT>            clone.listeners = new EventListenerList();<a name="line.223"></a>
<FONT color="green">224</FONT>            clone.propertyChangeSupport = new PropertyChangeSupport(clone);<a name="line.224"></a>
<FONT color="green">225</FONT>            return clone;<a name="line.225"></a>
<FONT color="green">226</FONT>    <a name="line.226"></a>
<FONT color="green">227</FONT>        }<a name="line.227"></a>
<FONT color="green">228</FONT>    <a name="line.228"></a>
<FONT color="green">229</FONT>        /**<a name="line.229"></a>
<FONT color="green">230</FONT>         * Tests the series for equality with another object.<a name="line.230"></a>
<FONT color="green">231</FONT>         *<a name="line.231"></a>
<FONT color="green">232</FONT>         * @param obj  the object (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.232"></a>
<FONT color="green">233</FONT>         *<a name="line.233"></a>
<FONT color="green">234</FONT>         * @return &lt;code&gt;true&lt;/code&gt; or &lt;code&gt;false&lt;/code&gt;.<a name="line.234"></a>
<FONT color="green">235</FONT>         */<a name="line.235"></a>
<FONT color="green">236</FONT>        public boolean equals(Object obj) {<a name="line.236"></a>
<FONT color="green">237</FONT>            if (obj == this) {<a name="line.237"></a>
<FONT color="green">238</FONT>                return true;<a name="line.238"></a>
<FONT color="green">239</FONT>            }<a name="line.239"></a>
<FONT color="green">240</FONT>            if (!(obj instanceof Series)) {<a name="line.240"></a>
<FONT color="green">241</FONT>                return false;<a name="line.241"></a>
<FONT color="green">242</FONT>            }<a name="line.242"></a>
<FONT color="green">243</FONT>            Series that = (Series) obj;<a name="line.243"></a>
<FONT color="green">244</FONT>            if (!getKey().equals(that.getKey())) {<a name="line.244"></a>
<FONT color="green">245</FONT>                return false;<a name="line.245"></a>
<FONT color="green">246</FONT>            }<a name="line.246"></a>
<FONT color="green">247</FONT>            if (!ObjectUtilities.equal(getDescription(), that.getDescription())) {<a name="line.247"></a>
<FONT color="green">248</FONT>                return false;<a name="line.248"></a>
<FONT color="green">249</FONT>            }<a name="line.249"></a>
<FONT color="green">250</FONT>            return true;<a name="line.250"></a>
<FONT color="green">251</FONT>        }<a name="line.251"></a>
<FONT color="green">252</FONT>    <a name="line.252"></a>
<FONT color="green">253</FONT>        /**<a name="line.253"></a>
<FONT color="green">254</FONT>         * Returns a hash code.<a name="line.254"></a>
<FONT color="green">255</FONT>         * <a name="line.255"></a>
<FONT color="green">256</FONT>         * @return A hash code.<a name="line.256"></a>
<FONT color="green">257</FONT>         */<a name="line.257"></a>
<FONT color="green">258</FONT>        public int hashCode() {<a name="line.258"></a>
<FONT color="green">259</FONT>            int result;<a name="line.259"></a>
<FONT color="green">260</FONT>            result = this.key.hashCode();<a name="line.260"></a>
<FONT color="green">261</FONT>            result = 29 * result + (this.description != null <a name="line.261"></a>
<FONT color="green">262</FONT>                    ? this.description.hashCode() : 0);<a name="line.262"></a>
<FONT color="green">263</FONT>            return result;<a name="line.263"></a>
<FONT color="green">264</FONT>        }<a name="line.264"></a>
<FONT color="green">265</FONT>    <a name="line.265"></a>
<FONT color="green">266</FONT>        /**<a name="line.266"></a>
<FONT color="green">267</FONT>         * Registers an object with this series, to receive notification whenever <a name="line.267"></a>
<FONT color="green">268</FONT>         * the series changes.<a name="line.268"></a>
<FONT color="green">269</FONT>         * &lt;P&gt;<a name="line.269"></a>
<FONT color="green">270</FONT>         * Objects being registered must implement the {@link SeriesChangeListener} <a name="line.270"></a>
<FONT color="green">271</FONT>         * interface.<a name="line.271"></a>
<FONT color="green">272</FONT>         *<a name="line.272"></a>
<FONT color="green">273</FONT>         * @param listener  the listener to register.<a name="line.273"></a>
<FONT color="green">274</FONT>         */<a name="line.274"></a>
<FONT color="green">275</FONT>        public void addChangeListener(SeriesChangeListener listener) {<a name="line.275"></a>