defaultxydataset.html

jfreechart最新源代码

<FONT color="green">282</FONT>            int seriesIndex = indexOf(seriesKey);<a name="line.282"></a>
<FONT color="green">283</FONT>            if (seriesIndex &gt;= 0) {<a name="line.283"></a>
<FONT color="green">284</FONT>                this.seriesKeys.remove(seriesIndex);<a name="line.284"></a>
<FONT color="green">285</FONT>                this.seriesList.remove(seriesIndex);<a name="line.285"></a>
<FONT color="green">286</FONT>                notifyListeners(new DatasetChangeEvent(this, this));<a name="line.286"></a>
<FONT color="green">287</FONT>            }<a name="line.287"></a>
<FONT color="green">288</FONT>        }<a name="line.288"></a>
<FONT color="green">289</FONT>        <a name="line.289"></a>
<FONT color="green">290</FONT>        /**<a name="line.290"></a>
<FONT color="green">291</FONT>         * Tests this &lt;code&gt;DefaultXYDataset&lt;/code&gt; instance for equality with an<a name="line.291"></a>
<FONT color="green">292</FONT>         * arbitrary object.  This method returns &lt;code&gt;true&lt;/code&gt; if and only if:<a name="line.292"></a>
<FONT color="green">293</FONT>         * &lt;ul&gt;<a name="line.293"></a>
<FONT color="green">294</FONT>         * &lt;li&gt;&lt;code&gt;obj&lt;/code&gt; is not &lt;code&gt;null&lt;/code&gt;;&lt;/li&gt;<a name="line.294"></a>
<FONT color="green">295</FONT>         * &lt;li&gt;&lt;code&gt;obj&lt;/code&gt; is an instance of <a name="line.295"></a>
<FONT color="green">296</FONT>         *         &lt;code&gt;DefaultXYDataset&lt;/code&gt;;&lt;/li&gt;<a name="line.296"></a>
<FONT color="green">297</FONT>         * &lt;li&gt;both datasets have the same number of series, each containing <a name="line.297"></a>
<FONT color="green">298</FONT>         *         exactly the same values.&lt;/li&gt;<a name="line.298"></a>
<FONT color="green">299</FONT>         * &lt;/ul&gt;<a name="line.299"></a>
<FONT color="green">300</FONT>         * <a name="line.300"></a>
<FONT color="green">301</FONT>         * @param obj  the object (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.301"></a>
<FONT color="green">302</FONT>         * <a name="line.302"></a>
<FONT color="green">303</FONT>         * @return A boolean.<a name="line.303"></a>
<FONT color="green">304</FONT>         */<a name="line.304"></a>
<FONT color="green">305</FONT>        public boolean equals(Object obj) {<a name="line.305"></a>
<FONT color="green">306</FONT>            if (obj == this) {<a name="line.306"></a>
<FONT color="green">307</FONT>                return true;<a name="line.307"></a>
<FONT color="green">308</FONT>            }<a name="line.308"></a>
<FONT color="green">309</FONT>            if (!(obj instanceof DefaultXYDataset)) {<a name="line.309"></a>
<FONT color="green">310</FONT>                return false;<a name="line.310"></a>
<FONT color="green">311</FONT>            }<a name="line.311"></a>
<FONT color="green">312</FONT>            DefaultXYDataset that = (DefaultXYDataset) obj;<a name="line.312"></a>
<FONT color="green">313</FONT>            if (!this.seriesKeys.equals(that.seriesKeys)) {<a name="line.313"></a>
<FONT color="green">314</FONT>                return false;<a name="line.314"></a>
<FONT color="green">315</FONT>            }<a name="line.315"></a>
<FONT color="green">316</FONT>            for (int i = 0; i &lt; this.seriesList.size(); i++) {<a name="line.316"></a>
<FONT color="green">317</FONT>                double[][] d1 = (double[][]) this.seriesList.get(i);<a name="line.317"></a>
<FONT color="green">318</FONT>                double[][] d2 = (double[][]) that.seriesList.get(i);<a name="line.318"></a>
<FONT color="green">319</FONT>                double[] d1x = d1[0];<a name="line.319"></a>
<FONT color="green">320</FONT>                double[] d2x = d2[0];<a name="line.320"></a>
<FONT color="green">321</FONT>                if (!Arrays.equals(d1x, d2x)) {<a name="line.321"></a>
<FONT color="green">322</FONT>                    return false;<a name="line.322"></a>
<FONT color="green">323</FONT>                }<a name="line.323"></a>
<FONT color="green">324</FONT>                double[] d1y = d1[1];<a name="line.324"></a>
<FONT color="green">325</FONT>                double[] d2y = d2[1];            <a name="line.325"></a>
<FONT color="green">326</FONT>                if (!Arrays.equals(d1y, d2y)) {<a name="line.326"></a>
<FONT color="green">327</FONT>                    return false;<a name="line.327"></a>
<FONT color="green">328</FONT>                }<a name="line.328"></a>
<FONT color="green">329</FONT>            }<a name="line.329"></a>
<FONT color="green">330</FONT>            return true;<a name="line.330"></a>
<FONT color="green">331</FONT>        }<a name="line.331"></a>
<FONT color="green">332</FONT>        <a name="line.332"></a>
<FONT color="green">333</FONT>        /**<a name="line.333"></a>
<FONT color="green">334</FONT>         * Creates an independent copy of this dataset.<a name="line.334"></a>
<FONT color="green">335</FONT>         * <a name="line.335"></a>
<FONT color="green">336</FONT>         * @return The cloned dataset.<a name="line.336"></a>
<FONT color="green">337</FONT>         * <a name="line.337"></a>
<FONT color="green">338</FONT>         * @throws CloneNotSupportedException if there is a problem cloning the<a name="line.338"></a>
<FONT color="green">339</FONT>         *     dataset (for instance, if a non-cloneable object is used for a<a name="line.339"></a>
<FONT color="green">340</FONT>         *     series key).<a name="line.340"></a>
<FONT color="green">341</FONT>         */<a name="line.341"></a>
<FONT color="green">342</FONT>        public Object clone() throws CloneNotSupportedException {<a name="line.342"></a>
<FONT color="green">343</FONT>            DefaultXYDataset clone = (DefaultXYDataset) super.clone();<a name="line.343"></a>
<FONT color="green">344</FONT>            clone.seriesKeys = new java.util.ArrayList(this.seriesKeys);<a name="line.344"></a>
<FONT color="green">345</FONT>            clone.seriesList = new ArrayList(this.seriesList.size());<a name="line.345"></a>
<FONT color="green">346</FONT>            for (int i = 0; i &lt; this.seriesList.size(); i++) {<a name="line.346"></a>
<FONT color="green">347</FONT>                double[][] data = (double[][]) this.seriesList.get(i);<a name="line.347"></a>
<FONT color="green">348</FONT>                double[] x = data[0];<a name="line.348"></a>
<FONT color="green">349</FONT>                double[] y = data[1];<a name="line.349"></a>
<FONT color="green">350</FONT>                double[] xx = new double[x.length];<a name="line.350"></a>
<FONT color="green">351</FONT>                double[] yy = new double[y.length];<a name="line.351"></a>
<FONT color="green">352</FONT>                System.arraycopy(x, 0, xx, 0, x.length);<a name="line.352"></a>
<FONT color="green">353</FONT>                System.arraycopy(y, 0, yy, 0, y.length);<a name="line.353"></a>
<FONT color="green">354</FONT>                clone.seriesList.add(i, new double[][] {xx, yy});<a name="line.354"></a>
<FONT color="green">355</FONT>            }<a name="line.355"></a>
<FONT color="green">356</FONT>            return clone;<a name="line.356"></a>
<FONT color="green">357</FONT>        }<a name="line.357"></a>
<FONT color="green">358</FONT>    <a name="line.358"></a>
<FONT color="green">359</FONT>    }<a name="line.359"></a>




























































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