datetickunit.html

jfreechart1。0。2的api。

<FONT color="green">296</FONT>         * unit count.<a name="line.296"></a>
<FONT color="green">297</FONT>         * &lt;P&gt;<a name="line.297"></a>
<FONT color="green">298</FONT>         * This value is an approximation some of the time (e.g. months are <a name="line.298"></a>
<FONT color="green">299</FONT>         * assumed to have 31 days) but this shouldn't matter.<a name="line.299"></a>
<FONT color="green">300</FONT>         *<a name="line.300"></a>
<FONT color="green">301</FONT>         * @param unit  the unit.<a name="line.301"></a>
<FONT color="green">302</FONT>         * @param count  the unit count.<a name="line.302"></a>
<FONT color="green">303</FONT>         *<a name="line.303"></a>
<FONT color="green">304</FONT>         * @return The number of milliseconds.<a name="line.304"></a>
<FONT color="green">305</FONT>         */<a name="line.305"></a>
<FONT color="green">306</FONT>        private static long getMillisecondCount(int unit, int count) {<a name="line.306"></a>
<FONT color="green">307</FONT>    <a name="line.307"></a>
<FONT color="green">308</FONT>            switch (unit) {<a name="line.308"></a>
<FONT color="green">309</FONT>                case (YEAR):<a name="line.309"></a>
<FONT color="green">310</FONT>                    return (365L * 24L * 60L * 60L * 1000L) * count;<a name="line.310"></a>
<FONT color="green">311</FONT>                case (MONTH):<a name="line.311"></a>
<FONT color="green">312</FONT>                    return (31L * 24L * 60L * 60L * 1000L) * count;<a name="line.312"></a>
<FONT color="green">313</FONT>                case (DAY):<a name="line.313"></a>
<FONT color="green">314</FONT>                    return (24L * 60L * 60L * 1000L) * count;<a name="line.314"></a>
<FONT color="green">315</FONT>                case (HOUR):<a name="line.315"></a>
<FONT color="green">316</FONT>                    return (60L * 60L * 1000L) * count;<a name="line.316"></a>
<FONT color="green">317</FONT>                case (MINUTE):<a name="line.317"></a>
<FONT color="green">318</FONT>                    return (60L * 1000L) * count;<a name="line.318"></a>
<FONT color="green">319</FONT>                case (SECOND):<a name="line.319"></a>
<FONT color="green">320</FONT>                    return 1000L * count;<a name="line.320"></a>
<FONT color="green">321</FONT>                case (MILLISECOND):<a name="line.321"></a>
<FONT color="green">322</FONT>                    return count;<a name="line.322"></a>
<FONT color="green">323</FONT>                default:<a name="line.323"></a>
<FONT color="green">324</FONT>                    throw new IllegalArgumentException(<a name="line.324"></a>
<FONT color="green">325</FONT>                        "DateTickUnit.getMillisecondCount() : unit must "<a name="line.325"></a>
<FONT color="green">326</FONT>                        + "be one of the constants YEAR, MONTH, DAY, HOUR, MINUTE, "<a name="line.326"></a>
<FONT color="green">327</FONT>                        + "SECOND or MILLISECOND defined in the DateTickUnit "<a name="line.327"></a>
<FONT color="green">328</FONT>                        + "class. Do *not* use the constants defined in "<a name="line.328"></a>
<FONT color="green">329</FONT>                        + "java.util.Calendar."<a name="line.329"></a>
<FONT color="green">330</FONT>                    );<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>    <a name="line.334"></a>
<FONT color="green">335</FONT>        /**<a name="line.335"></a>
<FONT color="green">336</FONT>         * Tests this unit for equality with another object.<a name="line.336"></a>
<FONT color="green">337</FONT>         *<a name="line.337"></a>
<FONT color="green">338</FONT>         * @param obj  the object (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.338"></a>
<FONT color="green">339</FONT>         *<a name="line.339"></a>
<FONT color="green">340</FONT>         * @return &lt;code&gt;true&lt;/code&gt; or &lt;code&gt;false&lt;/code&gt;.<a name="line.340"></a>
<FONT color="green">341</FONT>         */<a name="line.341"></a>
<FONT color="green">342</FONT>        public boolean equals(Object obj) {<a name="line.342"></a>
<FONT color="green">343</FONT>            if (obj == this) {<a name="line.343"></a>
<FONT color="green">344</FONT>                return true;<a name="line.344"></a>
<FONT color="green">345</FONT>            }<a name="line.345"></a>
<FONT color="green">346</FONT>            if (!(obj instanceof DateTickUnit)) {<a name="line.346"></a>
<FONT color="green">347</FONT>                return false;<a name="line.347"></a>
<FONT color="green">348</FONT>            }<a name="line.348"></a>
<FONT color="green">349</FONT>            if (!super.equals(obj)) {<a name="line.349"></a>
<FONT color="green">350</FONT>                return false;<a name="line.350"></a>
<FONT color="green">351</FONT>            }<a name="line.351"></a>
<FONT color="green">352</FONT>            DateTickUnit that = (DateTickUnit) obj;<a name="line.352"></a>
<FONT color="green">353</FONT>            if (this.unit != that.unit) {<a name="line.353"></a>
<FONT color="green">354</FONT>                return false;<a name="line.354"></a>
<FONT color="green">355</FONT>            }<a name="line.355"></a>
<FONT color="green">356</FONT>            if (this.count != that.count) {<a name="line.356"></a>
<FONT color="green">357</FONT>                return false;<a name="line.357"></a>
<FONT color="green">358</FONT>            }<a name="line.358"></a>
<FONT color="green">359</FONT>            if (!ObjectUtilities.equal(this.formatter, that.formatter)) {<a name="line.359"></a>
<FONT color="green">360</FONT>                return false;<a name="line.360"></a>
<FONT color="green">361</FONT>            }<a name="line.361"></a>
<FONT color="green">362</FONT>            return true;<a name="line.362"></a>
<FONT color="green">363</FONT>        }<a name="line.363"></a>
<FONT color="green">364</FONT>        <a name="line.364"></a>
<FONT color="green">365</FONT>        /**<a name="line.365"></a>
<FONT color="green">366</FONT>         * Returns a hash code for this object.<a name="line.366"></a>
<FONT color="green">367</FONT>         * <a name="line.367"></a>
<FONT color="green">368</FONT>         * @return A hash code.<a name="line.368"></a>
<FONT color="green">369</FONT>         */<a name="line.369"></a>
<FONT color="green">370</FONT>        public int hashCode() {<a name="line.370"></a>
<FONT color="green">371</FONT>            int result = 19;<a name="line.371"></a>
<FONT color="green">372</FONT>            result = 37 * result + this.unit;<a name="line.372"></a>
<FONT color="green">373</FONT>            result = 37 * result + this.count;<a name="line.373"></a>
<FONT color="green">374</FONT>            result = 37 * result + this.formatter.hashCode();<a name="line.374"></a>
<FONT color="green">375</FONT>            return result;<a name="line.375"></a>
<FONT color="green">376</FONT>        }<a name="line.376"></a>
<FONT color="green">377</FONT>    <a name="line.377"></a>
<FONT color="green">378</FONT>    }<a name="line.378"></a>




























































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