timeperiodvaluescollection.html

jfreechart1。0。2的api。

<FONT color="green">183</FONT>        }<a name="line.183"></a>
<FONT color="green">184</FONT>    <a name="line.184"></a>
<FONT color="green">185</FONT>        /**<a name="line.185"></a>
<FONT color="green">186</FONT>         * Returns the key for a series.<a name="line.186"></a>
<FONT color="green">187</FONT>         *<a name="line.187"></a>
<FONT color="green">188</FONT>         * @param series  the index of the series (zero-based).<a name="line.188"></a>
<FONT color="green">189</FONT>         *<a name="line.189"></a>
<FONT color="green">190</FONT>         * @return The key for a series.<a name="line.190"></a>
<FONT color="green">191</FONT>         */<a name="line.191"></a>
<FONT color="green">192</FONT>        public Comparable getSeriesKey(int series) {<a name="line.192"></a>
<FONT color="green">193</FONT>            // defer argument checking<a name="line.193"></a>
<FONT color="green">194</FONT>            return getSeries(series).getKey();<a name="line.194"></a>
<FONT color="green">195</FONT>        }<a name="line.195"></a>
<FONT color="green">196</FONT>    <a name="line.196"></a>
<FONT color="green">197</FONT>        /**<a name="line.197"></a>
<FONT color="green">198</FONT>         * Adds a series to the collection.  A <a name="line.198"></a>
<FONT color="green">199</FONT>         * {@link org.jfree.data.general.DatasetChangeEvent} is sent to all <a name="line.199"></a>
<FONT color="green">200</FONT>         * registered listeners.<a name="line.200"></a>
<FONT color="green">201</FONT>         *<a name="line.201"></a>
<FONT color="green">202</FONT>         * @param series  the time series.<a name="line.202"></a>
<FONT color="green">203</FONT>         */<a name="line.203"></a>
<FONT color="green">204</FONT>        public void addSeries(TimePeriodValues series) {<a name="line.204"></a>
<FONT color="green">205</FONT>    <a name="line.205"></a>
<FONT color="green">206</FONT>            if (series == null) {<a name="line.206"></a>
<FONT color="green">207</FONT>                throw new IllegalArgumentException("Null 'series' argument.");<a name="line.207"></a>
<FONT color="green">208</FONT>            }<a name="line.208"></a>
<FONT color="green">209</FONT>    <a name="line.209"></a>
<FONT color="green">210</FONT>            this.data.add(series);<a name="line.210"></a>
<FONT color="green">211</FONT>            series.addChangeListener(this);<a name="line.211"></a>
<FONT color="green">212</FONT>            fireDatasetChanged();<a name="line.212"></a>
<FONT color="green">213</FONT>    <a name="line.213"></a>
<FONT color="green">214</FONT>        }<a name="line.214"></a>
<FONT color="green">215</FONT>    <a name="line.215"></a>
<FONT color="green">216</FONT>        /**<a name="line.216"></a>
<FONT color="green">217</FONT>         * Removes the specified series from the collection.<a name="line.217"></a>
<FONT color="green">218</FONT>         *<a name="line.218"></a>
<FONT color="green">219</FONT>         * @param series  the series to remove (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.219"></a>
<FONT color="green">220</FONT>         */<a name="line.220"></a>
<FONT color="green">221</FONT>        public void removeSeries(TimePeriodValues series) {<a name="line.221"></a>
<FONT color="green">222</FONT>    <a name="line.222"></a>
<FONT color="green">223</FONT>            if (series == null) {<a name="line.223"></a>
<FONT color="green">224</FONT>                throw new IllegalArgumentException("Null 'series' argument.");<a name="line.224"></a>
<FONT color="green">225</FONT>            }<a name="line.225"></a>
<FONT color="green">226</FONT>            this.data.remove(series);<a name="line.226"></a>
<FONT color="green">227</FONT>            series.removeChangeListener(this);<a name="line.227"></a>
<FONT color="green">228</FONT>            fireDatasetChanged();<a name="line.228"></a>
<FONT color="green">229</FONT>    <a name="line.229"></a>
<FONT color="green">230</FONT>        }<a name="line.230"></a>
<FONT color="green">231</FONT>    <a name="line.231"></a>
<FONT color="green">232</FONT>        /**<a name="line.232"></a>
<FONT color="green">233</FONT>         * Removes a series from the collection.<a name="line.233"></a>
<FONT color="green">234</FONT>         *<a name="line.234"></a>
<FONT color="green">235</FONT>         * @param index  the series index (zero-based).<a name="line.235"></a>
<FONT color="green">236</FONT>         */<a name="line.236"></a>
<FONT color="green">237</FONT>        public void removeSeries(int index) {<a name="line.237"></a>
<FONT color="green">238</FONT>            TimePeriodValues series = getSeries(index);<a name="line.238"></a>
<FONT color="green">239</FONT>            if (series != null) {<a name="line.239"></a>
<FONT color="green">240</FONT>                removeSeries(series);<a name="line.240"></a>
<FONT color="green">241</FONT>            }<a name="line.241"></a>
<FONT color="green">242</FONT>        }<a name="line.242"></a>
<FONT color="green">243</FONT>    <a name="line.243"></a>
<FONT color="green">244</FONT>        /**<a name="line.244"></a>
<FONT color="green">245</FONT>         * Returns the number of items in the specified series.<a name="line.245"></a>
<FONT color="green">246</FONT>         * &lt;P&gt;<a name="line.246"></a>
<FONT color="green">247</FONT>         * This method is provided for convenience.<a name="line.247"></a>
<FONT color="green">248</FONT>         *<a name="line.248"></a>
<FONT color="green">249</FONT>         * @param series  the index of the series of interest (zero-based).<a name="line.249"></a>
<FONT color="green">250</FONT>         *<a name="line.250"></a>
<FONT color="green">251</FONT>         * @return The number of items in the specified series.<a name="line.251"></a>
<FONT color="green">252</FONT>         */<a name="line.252"></a>
<FONT color="green">253</FONT>        public int getItemCount(int series) {<a name="line.253"></a>
<FONT color="green">254</FONT>            return getSeries(series).getItemCount();<a name="line.254"></a>
<FONT color="green">255</FONT>        }<a name="line.255"></a>
<FONT color="green">256</FONT>    <a name="line.256"></a>
<FONT color="green">257</FONT>        /**<a name="line.257"></a>
<FONT color="green">258</FONT>         * Returns the x-value for the specified series and item.<a name="line.258"></a>
<FONT color="green">259</FONT>         *<a name="line.259"></a>
<FONT color="green">260</FONT>         * @param series  the series (zero-based index).<a name="line.260"></a>
<FONT color="green">261</FONT>         * @param item  the item (zero-based index).<a name="line.261"></a>
<FONT color="green">262</FONT>         *<a name="line.262"></a>
<FONT color="green">263</FONT>         * @return The x-value for the specified series and item.<a name="line.263"></a>
<FONT color="green">264</FONT>         */<a name="line.264"></a>
<FONT color="green">265</FONT>        public Number getX(int series, int item) {<a name="line.265"></a>
<FONT color="green">266</FONT>            TimePeriodValues ts = (TimePeriodValues) this.data.get(series);<a name="line.266"></a>
<FONT color="green">267</FONT>            TimePeriodValue dp = ts.getDataItem(item);<a name="line.267"></a>
<FONT color="green">268</FONT>            TimePeriod period = dp.getPeriod();<a name="line.268"></a>
<FONT color="green">269</FONT>            return new Long(getX(period));<a name="line.269"></a>
<FONT color="green">270</FONT>        }<a name="line.270"></a>
<FONT color="green">271</FONT>    <a name="line.271"></a>
<FONT color="green">272</FONT>        /**<a name="line.272"></a>
<FONT color="green">273</FONT>         * Returns the x-value for a time period.<a name="line.273"></a>
<FONT color="green">274</FONT>         *<a name="line.274"></a>
<FONT color="green">275</FONT>         * @param period  the time period.<a name="line.275"></a>
<FONT color="green">276</FONT>         *<a name="line.276"></a>
<FONT color="green">277</FONT>         * @return The x-value.<a name="line.277"></a>
<FONT color="green">278</FONT>         */<a name="line.278"></a>
<FONT color="green">279</FONT>        private long getX(TimePeriod period) {<a name="line.279"></a>
<FONT color="green">280</FONT>    <a name="line.280"></a>
<FONT color="green">281</FONT>            if (this.xPosition == TimePeriodAnchor.START) {<a name="line.281"></a>
<FONT color="green">282</FONT>                return period.getStart().getTime();<a name="line.282"></a>
<FONT color="green">283</FONT>            }<a name="line.283"></a>
<FONT color="green">284</FONT>            else if (this.xPosition == TimePeriodAnchor.MIDDLE) {<a name="line.284"></a>
<FONT color="green">285</FONT>                return period.getStart().getTime() <a name="line.285"></a>
<FONT color="green">286</FONT>                    / 2 + period.getEnd().getTime() / 2;<a name="line.286"></a>
<FONT color="green">287</FONT>            }<a name="line.287"></a>
<FONT color="green">288</FONT>            else if (this.xPosition == TimePeriodAnchor.END) {<a name="line.288"></a>
<FONT color="green">289</FONT>                return period.getEnd().getTime();<a name="line.289"></a>
<FONT color="green">290</FONT>            }<a name="line.290"></a>
<FONT color="green">291</FONT>            else {<a name="line.291"></a>
<FONT color="green">292</FONT>                throw new IllegalStateException("TimePeriodAnchor unknown.");<a name="line.292"></a>
<FONT color="green">293</FONT>            }<a name="line.293"></a>
<FONT color="green">294</FONT>    <a name="line.294"></a>
<FONT color="green">295</FONT>        }<a name="line.295"></a>
<FONT color="green">296</FONT>    <a name="line.296"></a>
<FONT color="green">297</FONT>        /**<a name="line.297"></a>
<FONT color="green">298</FONT>         * Returns the starting X value for the specified series and item.<a name="line.298"></a>
<FONT color="green">299</FONT>         *<a name="line.299"></a>
<FONT color="green">300</FONT>         * @param series  the series (zero-based index).<a name="line.300"></a>
<FONT color="green">301</FONT>         * @param item  the item (zero-based index).<a name="line.301"></a>
<FONT color="green">302</FONT>         *<a name="line.302"></a>
<FONT color="green">303</FONT>         * @return The starting X value for the specified series and item.<a name="line.303"></a>
<FONT color="green">304</FONT>         */<a name="line.304"></a>
<FONT color="green">305</FONT>        public Number getStartX(int series, int item) {<a name="line.305"></a>
<FONT color="green">306</FONT>            TimePeriodValues ts = (TimePeriodValues) this.data.get(series);<a name="line.306"></a>
<FONT color="green">307</FONT>            TimePeriodValue dp = ts.getDataItem(item);<a name="line.307"></a>
<FONT color="green">308</FONT>            return new Long(dp.getPeriod().getStart().getTime());<a name="line.308"></a>
<FONT color="green">309</FONT>        }<a name="line.309"></a>
<FONT color="green">310</FONT>    <a name="line.310"></a>
<FONT color="green">311</FONT>        /**<a name="line.311"></a>
<FONT color="green">312</FONT>         * Returns the ending X value for the specified series and item.<a name="line.312"></a>
<FONT color="green">313</FONT>         *<a name="line.313"></a>
<FONT color="green">314</FONT>         * @param series  the series (zero-based index).<a name="line.314"></a>
<FONT color="green">315</FONT>         * @param item  the item (zero-based index).<a name="line.315"></a>
<FONT color="green">316</FONT>         *<a name="line.316"></a>
<FONT color="green">317</FONT>         * @return The ending X value for the specified series and item.<a name="line.317"></a>
<FONT color="green">318</FONT>         */<a name="line.318"></a>
<FONT color="green">319</FONT>        public Number getEndX(int series, int item) {<a name="line.319"></a>
<FONT color="green">320</FONT>            TimePeriodValues ts = (TimePeriodValues) this.data.get(series);<a name="line.320"></a>
<FONT color="green">321</FONT>            TimePeriodValue dp = ts.getDataItem(item);<a name="line.321"></a>
<FONT color="green">322</FONT>            return new Long(dp.getPeriod().getEnd().getTime());<a name="line.322"></a>
<FONT color="green">323</FONT>        }<a name="line.323"></a>
<FONT color="green">324</FONT>    <a name="line.324"></a>
<FONT color="green">325</FONT>        /**<a name="line.325"></a>
<FONT color="green">326</FONT>         * Returns the y-value for the specified series and item.<a name="line.326"></a>
<FONT color="green">327</FONT>         *<a name="line.327"></a>
<FONT color="green">328</FONT>         * @param series  the series (zero-based index).<a name="line.328"></a>
<FONT color="green">329</FONT>         * @param item  the item (zero-based index).<a name="line.329"></a>
<FONT color="green">330</FONT>         *<a name="line.330"></a>
<FONT color="green">331</FONT>         * @return The y-value for the specified series and item.<a name="line.331"></a>
<FONT color="green">332</FONT>         */<a name="line.332"></a>
<FONT color="green">333</FONT>        public Number getY(int series, int item) {<a name="line.333"></a>
<FONT color="green">334</FONT>            TimePeriodValues ts = (TimePeriodValues) this.data.get(series);<a name="line.334"></a>
<FONT color="green">335</FONT>            TimePeriodValue dp = ts.getDataItem(item);<a name="line.335"></a>
<FONT color="green">336</FONT>            return dp.getValue();<a name="line.336"></a>
<FONT color="green">337</FONT>        }<a name="line.337"></a>
<FONT color="green">338</FONT>    <a name="line.338"></a>
<FONT color="green">339</FONT>        /**<a name="line.339"></a>
<FONT color="green">340</FONT>         * Returns the starting Y value for the specified series and item.<a name="line.340"></a>
<FONT color="green">341</FONT>         *<a name="line.341"></a>
<FONT color="green">342</FONT>         * @param series  the series (zero-based index).<a name="line.342"></a>
<FONT color="green">343</FONT>         * @param item  the item (zero-based index).<a name="line.343"></a>
<FONT color="green">344</FONT>         *<a name="line.344"></a>
<FONT color="green">345</FONT>         * @return The starting Y value for the specified series and item.<a name="line.345"></a>
<FONT color="green">346</FONT>         */<a name="line.346"></a>
<FONT color="green">347</FONT>        public Number getStartY(int series, int item) {<a name="line.347"></a>
<FONT color="green">348</FONT>            return getY(series, item);<a name="line.348"></a>
<FONT color="green">349</FONT>        }<a name="line.349"></a>
<FONT color="green">350</FONT>    <a name="line.350"></a>
<FONT color="green">351</FONT>        /**<a name="line.351"></a>
<FONT color="green">352</FONT>         * Returns the ending Y value for the specified series and item.<a name="line.352"></a>
<FONT color="green">353</FONT>         *<a name="line.353"></a>
<FONT color="green">354</FONT>         * @param series  the series (zero-based index).<a name="line.354"></a>
<FONT color="green">355</FONT>         * @param item  the item (zero-based index).<a name="line.355"></a>
<FONT color="green">356</FONT>         *<a name="line.356"></a>
<FONT color="green">357</FONT>         * @return The ending Y value for the specified series and item.<a name="line.357"></a>
<FONT color="green">358</FONT>         */<a name="line.358"></a>
<FONT color="green">359</FONT>        public Number getEndY(int series, int item) {<a name="line.359"></a>
<FONT color="green">360</FONT>            return getY(series, item);<a name="line.360"></a>
<FONT color="green">361</FONT>        }<a name="line.361"></a>
<FONT color="green">362</FONT>    <a name="line.362"></a>
<FONT color="green">363</FONT>        /**<a name="line.363"></a>
<FONT color="green">364</FONT>         * Returns the minimum x-value in the dataset.<a name="line.364"></a>
<FONT color="green">365</FONT>         *<a name="line.365"></a>
<FONT color="green">366</FONT>         * @param includeInterval  a flag that determines whether or not the<a name="line.366"></a>
<FONT color="green">367</FONT>         *                         x-interval is taken into account.<a name="line.367"></a>