hour.html

jfreechart1。0。2的api。

<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>         * Returns the day in which this hour falls.<a name="line.161"></a>
<FONT color="green">162</FONT>         *<a name="line.162"></a>
<FONT color="green">163</FONT>         * @return The day.<a name="line.163"></a>
<FONT color="green">164</FONT>         */<a name="line.164"></a>
<FONT color="green">165</FONT>        public Day getDay() {<a name="line.165"></a>
<FONT color="green">166</FONT>            return this.day;<a name="line.166"></a>
<FONT color="green">167</FONT>        }<a name="line.167"></a>
<FONT color="green">168</FONT>    <a name="line.168"></a>
<FONT color="green">169</FONT>        /**<a name="line.169"></a>
<FONT color="green">170</FONT>         * Returns the year in which this hour falls.<a name="line.170"></a>
<FONT color="green">171</FONT>         *<a name="line.171"></a>
<FONT color="green">172</FONT>         * @return The year.<a name="line.172"></a>
<FONT color="green">173</FONT>         */<a name="line.173"></a>
<FONT color="green">174</FONT>        public int getYear() {<a name="line.174"></a>
<FONT color="green">175</FONT>            return this.day.getYear();<a name="line.175"></a>
<FONT color="green">176</FONT>        }<a name="line.176"></a>
<FONT color="green">177</FONT>    <a name="line.177"></a>
<FONT color="green">178</FONT>        /**<a name="line.178"></a>
<FONT color="green">179</FONT>         * Returns the month in which this hour falls.<a name="line.179"></a>
<FONT color="green">180</FONT>         *<a name="line.180"></a>
<FONT color="green">181</FONT>         * @return The month.<a name="line.181"></a>
<FONT color="green">182</FONT>         */<a name="line.182"></a>
<FONT color="green">183</FONT>        public int getMonth() {<a name="line.183"></a>
<FONT color="green">184</FONT>            return this.day.getMonth();<a name="line.184"></a>
<FONT color="green">185</FONT>        }<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>         * Returns the day-of-the-month in which this hour falls.<a name="line.188"></a>
<FONT color="green">189</FONT>         *<a name="line.189"></a>
<FONT color="green">190</FONT>         * @return The day-of-the-month.<a name="line.190"></a>
<FONT color="green">191</FONT>         */<a name="line.191"></a>
<FONT color="green">192</FONT>        public int getDayOfMonth() {<a name="line.192"></a>
<FONT color="green">193</FONT>            return this.day.getDayOfMonth();<a name="line.193"></a>
<FONT color="green">194</FONT>        }<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>         * Returns the hour preceding this one.<a name="line.197"></a>
<FONT color="green">198</FONT>         *<a name="line.198"></a>
<FONT color="green">199</FONT>         * @return The hour preceding this one.<a name="line.199"></a>
<FONT color="green">200</FONT>         */<a name="line.200"></a>
<FONT color="green">201</FONT>        public RegularTimePeriod previous() {<a name="line.201"></a>
<FONT color="green">202</FONT>    <a name="line.202"></a>
<FONT color="green">203</FONT>            Hour result;<a name="line.203"></a>
<FONT color="green">204</FONT>            if (this.hour != FIRST_HOUR_IN_DAY) {<a name="line.204"></a>
<FONT color="green">205</FONT>                result = new Hour(this.hour - 1, this.day);<a name="line.205"></a>
<FONT color="green">206</FONT>            }<a name="line.206"></a>
<FONT color="green">207</FONT>            else { // we are at the first hour in the day...<a name="line.207"></a>
<FONT color="green">208</FONT>                Day prevDay = (Day) this.day.previous();<a name="line.208"></a>
<FONT color="green">209</FONT>                if (prevDay != null) {<a name="line.209"></a>
<FONT color="green">210</FONT>                    result = new Hour(LAST_HOUR_IN_DAY, prevDay);<a name="line.210"></a>
<FONT color="green">211</FONT>                }<a name="line.211"></a>
<FONT color="green">212</FONT>                else {<a name="line.212"></a>
<FONT color="green">213</FONT>                    result = null;<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>            return result;<a name="line.216"></a>
<FONT color="green">217</FONT>    <a name="line.217"></a>
<FONT color="green">218</FONT>        }<a name="line.218"></a>
<FONT color="green">219</FONT>    <a name="line.219"></a>
<FONT color="green">220</FONT>        /**<a name="line.220"></a>
<FONT color="green">221</FONT>         * Returns the hour following this one.<a name="line.221"></a>
<FONT color="green">222</FONT>         *<a name="line.222"></a>
<FONT color="green">223</FONT>         * @return The hour following this one.<a name="line.223"></a>
<FONT color="green">224</FONT>         */<a name="line.224"></a>
<FONT color="green">225</FONT>        public RegularTimePeriod next() {<a name="line.225"></a>
<FONT color="green">226</FONT>    <a name="line.226"></a>
<FONT color="green">227</FONT>            Hour result;<a name="line.227"></a>
<FONT color="green">228</FONT>            if (this.hour != LAST_HOUR_IN_DAY) {<a name="line.228"></a>
<FONT color="green">229</FONT>                result = new Hour(this.hour + 1, this.day);<a name="line.229"></a>
<FONT color="green">230</FONT>            }<a name="line.230"></a>
<FONT color="green">231</FONT>            else { // we are at the last hour in the day...<a name="line.231"></a>
<FONT color="green">232</FONT>                Day nextDay = (Day) this.day.next();<a name="line.232"></a>
<FONT color="green">233</FONT>                if (nextDay != null) {<a name="line.233"></a>
<FONT color="green">234</FONT>                    result = new Hour(FIRST_HOUR_IN_DAY, nextDay);<a name="line.234"></a>
<FONT color="green">235</FONT>                }<a name="line.235"></a>
<FONT color="green">236</FONT>                else {<a name="line.236"></a>
<FONT color="green">237</FONT>                    result = null;<a name="line.237"></a>
<FONT color="green">238</FONT>                }<a name="line.238"></a>
<FONT color="green">239</FONT>            }<a name="line.239"></a>
<FONT color="green">240</FONT>            return result;<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 a serial index number for the hour.<a name="line.245"></a>
<FONT color="green">246</FONT>         *<a name="line.246"></a>
<FONT color="green">247</FONT>         * @return The serial index number.<a name="line.247"></a>
<FONT color="green">248</FONT>         */<a name="line.248"></a>
<FONT color="green">249</FONT>        public long getSerialIndex() {<a name="line.249"></a>
<FONT color="green">250</FONT>            return this.day.getSerialIndex() * 24L + this.hour;<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 the first millisecond of the hour.<a name="line.254"></a>
<FONT color="green">255</FONT>         *<a name="line.255"></a>
<FONT color="green">256</FONT>         * @param calendar  the calendar/timezone.<a name="line.256"></a>
<FONT color="green">257</FONT>         *<a name="line.257"></a>
<FONT color="green">258</FONT>         * @return The first millisecond.<a name="line.258"></a>
<FONT color="green">259</FONT>         */<a name="line.259"></a>
<FONT color="green">260</FONT>        public long getFirstMillisecond(Calendar calendar) {<a name="line.260"></a>
<FONT color="green">261</FONT>    <a name="line.261"></a>
<FONT color="green">262</FONT>            int year = this.day.getYear();<a name="line.262"></a>
<FONT color="green">263</FONT>            int month = this.day.getMonth() - 1;<a name="line.263"></a>
<FONT color="green">264</FONT>            int dom = this.day.getDayOfMonth();<a name="line.264"></a>
<FONT color="green">265</FONT>    <a name="line.265"></a>
<FONT color="green">266</FONT>            calendar.set(year, month, dom, this.hour, 0, 0);<a name="line.266"></a>
<FONT color="green">267</FONT>            calendar.set(Calendar.MILLISECOND, 0);<a name="line.267"></a>
<FONT color="green">268</FONT>    <a name="line.268"></a>
<FONT color="green">269</FONT>            //return calendar.getTimeInMillis();  // this won't work for JDK 1.3<a name="line.269"></a>
<FONT color="green">270</FONT>            return calendar.getTime().getTime();<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>    <a name="line.273"></a>
<FONT color="green">274</FONT>        /**<a name="line.274"></a>
<FONT color="green">275</FONT>         * Returns the last millisecond of the hour.<a name="line.275"></a>
<FONT color="green">276</FONT>         *<a name="line.276"></a>
<FONT color="green">277</FONT>         * @param calendar  the calendar/timezone.<a name="line.277"></a>
<FONT color="green">278</FONT>         *<a name="line.278"></a>
<FONT color="green">279</FONT>         * @return The last millisecond.<a name="line.279"></a>
<FONT color="green">280</FONT>         */<a name="line.280"></a>
<FONT color="green">281</FONT>        public long getLastMillisecond(Calendar calendar) {<a name="line.281"></a>
<FONT color="green">282</FONT>    <a name="line.282"></a>
<FONT color="green">283</FONT>            int year = this.day.getYear();<a name="line.283"></a>
<FONT color="green">284</FONT>            int month = this.day.getMonth() - 1;<a name="line.284"></a>
<FONT color="green">285</FONT>            int dom = this.day.getDayOfMonth();<a name="line.285"></a>
<FONT color="green">286</FONT>    <a name="line.286"></a>
<FONT color="green">287</FONT>            calendar.set(year, month, dom, this.hour, 59, 59);<a name="line.287"></a>
<FONT color="green">288</FONT>            calendar.set(Calendar.MILLISECOND, 999);<a name="line.288"></a>
<FONT color="green">289</FONT>    <a name="line.289"></a>
<FONT color="green">290</FONT>            //return calendar.getTimeInMillis();  // this won't work for JDK 1.3<a name="line.290"></a>
<FONT color="green">291</FONT>            return calendar.getTime().getTime();<a name="line.291"></a>
<FONT color="green">292</FONT>    <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>         * Tests the equality of this object against an arbitrary Object.<a name="line.296"></a>
<FONT color="green">297</FONT>         * &lt;P&gt;<a name="line.297"></a>
<FONT color="green">298</FONT>         * This method will return true ONLY if the object is an Hour object<a name="line.298"></a>
<FONT color="green">299</FONT>         * representing the same hour as this instance.<a name="line.299"></a>
<FONT color="green">300</FONT>         *<a name="line.300"></a>
<FONT color="green">301</FONT>         * @param obj  the object to compare (&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 &lt;code&gt;true&lt;/code&gt; if the hour and day value of the object<a name="line.303"></a>
<FONT color="green">304</FONT>         *      is the same as this.<a name="line.304"></a>
<FONT color="green">305</FONT>         */<a name="line.305"></a>
<FONT color="green">306</FONT>        public boolean equals(Object obj) {<a name="line.306"></a>
<FONT color="green">307</FONT>            if (obj == this) {<a name="line.307"></a>
<FONT color="green">308</FONT>                return true;<a name="line.308"></a>
<FONT color="green">309</FONT>            }<a name="line.309"></a>
<FONT color="green">310</FONT>            if (!(obj instanceof Hour)) {<a name="line.310"></a>
<FONT color="green">311</FONT>                return false;<a name="line.311"></a>
<FONT color="green">312</FONT>            }<a name="line.312"></a>
<FONT color="green">313</FONT>            Hour that = (Hour) obj;<a name="line.313"></a>
<FONT color="green">314</FONT>            if (this.hour != that.hour) {<a name="line.314"></a>
<FONT color="green">315</FONT>                return false;<a name="line.315"></a>
<FONT color="green">316</FONT>            }<a name="line.316"></a>
<FONT color="green">317</FONT>            if (!this.day.equals(that.day)) {<a name="line.317"></a>
<FONT color="green">318</FONT>                return false;<a name="line.318"></a>
<FONT color="green">319</FONT>            }<a name="line.319"></a>