keytogroupmap.html

jfreechart1。0。2的api。

<FONT color="green">195</FONT>                    if (!this.defaultGroup.equals(group)) {<a name="line.195"></a>
<FONT color="green">196</FONT>                        this.groups.add(group);<a name="line.196"></a>
<FONT color="green">197</FONT>                    }<a name="line.197"></a>
<FONT color="green">198</FONT>                }<a name="line.198"></a>
<FONT color="green">199</FONT>                this.keyToGroupMap.put(key, group);<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 the number of keys mapped to the specified group.  This method <a name="line.204"></a>
<FONT color="green">205</FONT>         * won't always return an accurate result for the default group, since <a name="line.205"></a>
<FONT color="green">206</FONT>         * explicit mappings are not required for this group.<a name="line.206"></a>
<FONT color="green">207</FONT>         * <a name="line.207"></a>
<FONT color="green">208</FONT>         * @param group  the group (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.208"></a>
<FONT color="green">209</FONT>         * <a name="line.209"></a>
<FONT color="green">210</FONT>         * @return The key count.<a name="line.210"></a>
<FONT color="green">211</FONT>         */<a name="line.211"></a>
<FONT color="green">212</FONT>        public int getKeyCount(Comparable group) {<a name="line.212"></a>
<FONT color="green">213</FONT>            if (group == null) {<a name="line.213"></a>
<FONT color="green">214</FONT>                throw new IllegalArgumentException("Null 'group' argument.");   <a name="line.214"></a>
<FONT color="green">215</FONT>            }<a name="line.215"></a>
<FONT color="green">216</FONT>            int result = 0;<a name="line.216"></a>
<FONT color="green">217</FONT>            Iterator iterator = this.keyToGroupMap.values().iterator();<a name="line.217"></a>
<FONT color="green">218</FONT>            while (iterator.hasNext()) {<a name="line.218"></a>
<FONT color="green">219</FONT>                Comparable g = (Comparable) iterator.next();<a name="line.219"></a>
<FONT color="green">220</FONT>                if (group.equals(g)) {<a name="line.220"></a>
<FONT color="green">221</FONT>                    result++;<a name="line.221"></a>
<FONT color="green">222</FONT>                }<a name="line.222"></a>
<FONT color="green">223</FONT>            }<a name="line.223"></a>
<FONT color="green">224</FONT>            return result;<a name="line.224"></a>
<FONT color="green">225</FONT>        }<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>         * Tests the map for equality against an arbitrary object.<a name="line.228"></a>
<FONT color="green">229</FONT>         * <a name="line.229"></a>
<FONT color="green">230</FONT>         * @param obj  the object to test against (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.230"></a>
<FONT color="green">231</FONT>         * <a name="line.231"></a>
<FONT color="green">232</FONT>         * @return A boolean.<a name="line.232"></a>
<FONT color="green">233</FONT>         */<a name="line.233"></a>
<FONT color="green">234</FONT>        public boolean equals(Object obj) {<a name="line.234"></a>
<FONT color="green">235</FONT>            if (obj == this) {<a name="line.235"></a>
<FONT color="green">236</FONT>                return true;      <a name="line.236"></a>
<FONT color="green">237</FONT>            }<a name="line.237"></a>
<FONT color="green">238</FONT>            if (!(obj instanceof KeyToGroupMap)) {<a name="line.238"></a>
<FONT color="green">239</FONT>                return false;<a name="line.239"></a>
<FONT color="green">240</FONT>            }<a name="line.240"></a>
<FONT color="green">241</FONT>            KeyToGroupMap that = (KeyToGroupMap) obj;<a name="line.241"></a>
<FONT color="green">242</FONT>            if (!ObjectUtilities.equal(this.defaultGroup, that.defaultGroup)) {<a name="line.242"></a>
<FONT color="green">243</FONT>                return false;<a name="line.243"></a>
<FONT color="green">244</FONT>            }<a name="line.244"></a>
<FONT color="green">245</FONT>            if (!this.keyToGroupMap.equals(that.keyToGroupMap)) {<a name="line.245"></a>
<FONT color="green">246</FONT>                return false;<a name="line.246"></a>
<FONT color="green">247</FONT>            }<a name="line.247"></a>
<FONT color="green">248</FONT>            return true;<a name="line.248"></a>
<FONT color="green">249</FONT>        }<a name="line.249"></a>
<FONT color="green">250</FONT>        <a name="line.250"></a>
<FONT color="green">251</FONT>        /**<a name="line.251"></a>
<FONT color="green">252</FONT>         * Returns a clone of the map.<a name="line.252"></a>
<FONT color="green">253</FONT>         * <a name="line.253"></a>
<FONT color="green">254</FONT>         * @return A clone.<a name="line.254"></a>
<FONT color="green">255</FONT>         * <a name="line.255"></a>
<FONT color="green">256</FONT>         * @throws CloneNotSupportedException  if there is a problem cloning the<a name="line.256"></a>
<FONT color="green">257</FONT>         *                                     map.<a name="line.257"></a>
<FONT color="green">258</FONT>         */<a name="line.258"></a>
<FONT color="green">259</FONT>        public Object clone() throws CloneNotSupportedException {<a name="line.259"></a>
<FONT color="green">260</FONT>            KeyToGroupMap result = (KeyToGroupMap) super.clone();<a name="line.260"></a>
<FONT color="green">261</FONT>            result.defaultGroup <a name="line.261"></a>
<FONT color="green">262</FONT>                = (Comparable) KeyToGroupMap.clone(this.defaultGroup);<a name="line.262"></a>
<FONT color="green">263</FONT>            result.groups = (List) KeyToGroupMap.clone(this.groups);<a name="line.263"></a>
<FONT color="green">264</FONT>            result.keyToGroupMap = (Map) KeyToGroupMap.clone(this.keyToGroupMap);<a name="line.264"></a>
<FONT color="green">265</FONT>            return result;<a name="line.265"></a>
<FONT color="green">266</FONT>        }<a name="line.266"></a>
<FONT color="green">267</FONT>        <a name="line.267"></a>
<FONT color="green">268</FONT>        /**<a name="line.268"></a>
<FONT color="green">269</FONT>         * Attempts to clone the specified object using reflection.<a name="line.269"></a>
<FONT color="green">270</FONT>         * <a name="line.270"></a>
<FONT color="green">271</FONT>         * @param object  the object (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.271"></a>
<FONT color="green">272</FONT>         * <a name="line.272"></a>
<FONT color="green">273</FONT>         * @return The cloned object, or the original object if cloning failed.<a name="line.273"></a>
<FONT color="green">274</FONT>         */<a name="line.274"></a>
<FONT color="green">275</FONT>        private static Object clone(Object object) {<a name="line.275"></a>
<FONT color="green">276</FONT>            if (object == null) {<a name="line.276"></a>
<FONT color="green">277</FONT>                return null;   <a name="line.277"></a>
<FONT color="green">278</FONT>            }<a name="line.278"></a>
<FONT color="green">279</FONT>            Class c = object.getClass();<a name="line.279"></a>
<FONT color="green">280</FONT>            Object result = null;<a name="line.280"></a>
<FONT color="green">281</FONT>            try {<a name="line.281"></a>
<FONT color="green">282</FONT>                Method m = c.getMethod("clone", (Class[]) null);<a name="line.282"></a>
<FONT color="green">283</FONT>                if (Modifier.isPublic(m.getModifiers())) {<a name="line.283"></a>
<FONT color="green">284</FONT>                    try {<a name="line.284"></a>
<FONT color="green">285</FONT>                        result = m.invoke(object, (Object[]) null);<a name="line.285"></a>
<FONT color="green">286</FONT>                    }<a name="line.286"></a>
<FONT color="green">287</FONT>                    catch (Exception e) {<a name="line.287"></a>
<FONT color="green">288</FONT>                        e.printStackTrace();  <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>            }<a name="line.291"></a>
<FONT color="green">292</FONT>            catch (NoSuchMethodException e) {<a name="line.292"></a>
<FONT color="green">293</FONT>                result = object;<a name="line.293"></a>
<FONT color="green">294</FONT>            }<a name="line.294"></a>
<FONT color="green">295</FONT>            return result;<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>        /**<a name="line.298"></a>
<FONT color="green">299</FONT>         * Returns a clone of the list.<a name="line.299"></a>
<FONT color="green">300</FONT>         * <a name="line.300"></a>
<FONT color="green">301</FONT>         * @param list  the list.<a name="line.301"></a>
<FONT color="green">302</FONT>         * <a name="line.302"></a>
<FONT color="green">303</FONT>         * @return A clone of the list.<a name="line.303"></a>
<FONT color="green">304</FONT>         * <a name="line.304"></a>
<FONT color="green">305</FONT>         * @throws CloneNotSupportedException if the list could not be cloned.<a name="line.305"></a>
<FONT color="green">306</FONT>         */<a name="line.306"></a>
<FONT color="green">307</FONT>        private static Collection clone(Collection list) <a name="line.307"></a>
<FONT color="green">308</FONT>            throws CloneNotSupportedException {<a name="line.308"></a>
<FONT color="green">309</FONT>            Collection result = null;<a name="line.309"></a>
<FONT color="green">310</FONT>            if (list != null) {<a name="line.310"></a>
<FONT color="green">311</FONT>                try {<a name="line.311"></a>
<FONT color="green">312</FONT>                    List clone = (List) list.getClass().newInstance();<a name="line.312"></a>
<FONT color="green">313</FONT>                    Iterator iterator = list.iterator();<a name="line.313"></a>
<FONT color="green">314</FONT>                    while (iterator.hasNext()) {<a name="line.314"></a>
<FONT color="green">315</FONT>                        clone.add(KeyToGroupMap.clone(iterator.next()));<a name="line.315"></a>
<FONT color="green">316</FONT>                    }<a name="line.316"></a>
<FONT color="green">317</FONT>                    result = clone;<a name="line.317"></a>
<FONT color="green">318</FONT>                }<a name="line.318"></a>
<FONT color="green">319</FONT>                catch (Exception e) {<a name="line.319"></a>
<FONT color="green">320</FONT>                    throw new CloneNotSupportedException("Exception.");<a name="line.320"></a>
<FONT color="green">321</FONT>                }<a name="line.321"></a>
<FONT color="green">322</FONT>            }<a name="line.322"></a>
<FONT color="green">323</FONT>            return result;<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>    }<a name="line.326"></a>




























































</PRE>
</BODY>
</HTML>