timetablexydataset.html

jfreechart1。0。2的api。

<FONT color="green">308</FONT>         * Returns the x-value for an item within a series.  The x-values may or <a name="line.308"></a>
<FONT color="green">309</FONT>         * may not be returned in ascending order, that is up to the class <a name="line.309"></a>
<FONT color="green">310</FONT>         * implementing the interface.<a name="line.310"></a>
<FONT color="green">311</FONT>         *<a name="line.311"></a>
<FONT color="green">312</FONT>         * @param series  the series (zero-based index).<a name="line.312"></a>
<FONT color="green">313</FONT>         * @param item  the item (zero-based index).<a name="line.313"></a>
<FONT color="green">314</FONT>         *<a name="line.314"></a>
<FONT color="green">315</FONT>         * @return The x-value.<a name="line.315"></a>
<FONT color="green">316</FONT>         */<a name="line.316"></a>
<FONT color="green">317</FONT>        public Number getX(int series, int item) {<a name="line.317"></a>
<FONT color="green">318</FONT>            return new Double(getXValue(series, item));<a name="line.318"></a>
<FONT color="green">319</FONT>        }<a name="line.319"></a>
<FONT color="green">320</FONT>        <a name="line.320"></a>
<FONT color="green">321</FONT>        /**<a name="line.321"></a>
<FONT color="green">322</FONT>         * Returns the x-value (as a double primitive) for an item within a series.<a name="line.322"></a>
<FONT color="green">323</FONT>         * <a name="line.323"></a>
<FONT color="green">324</FONT>         * @param series  the series index (zero-based).<a name="line.324"></a>
<FONT color="green">325</FONT>         * @param item  the item index (zero-based).<a name="line.325"></a>
<FONT color="green">326</FONT>         * <a name="line.326"></a>
<FONT color="green">327</FONT>         * @return The value.<a name="line.327"></a>
<FONT color="green">328</FONT>         */<a name="line.328"></a>
<FONT color="green">329</FONT>        public double getXValue(int series, int item) {<a name="line.329"></a>
<FONT color="green">330</FONT>            TimePeriod period = (TimePeriod) this.values.getRowKey(item);<a name="line.330"></a>
<FONT color="green">331</FONT>            return getXValue(period);<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>         * Returns the starting X value for the specified series and item.<a name="line.335"></a>
<FONT color="green">336</FONT>         *<a name="line.336"></a>
<FONT color="green">337</FONT>         * @param series  the series (zero-based index).<a name="line.337"></a>
<FONT color="green">338</FONT>         * @param item  the item within a series (zero-based index).<a name="line.338"></a>
<FONT color="green">339</FONT>         *<a name="line.339"></a>
<FONT color="green">340</FONT>         * @return The starting X 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>        public Number getStartX(int series, int item) {<a name="line.342"></a>
<FONT color="green">343</FONT>            return new Double(getStartXValue(series, item));<a name="line.343"></a>
<FONT color="green">344</FONT>        }<a name="line.344"></a>
<FONT color="green">345</FONT>    <a name="line.345"></a>
<FONT color="green">346</FONT>        /**<a name="line.346"></a>
<FONT color="green">347</FONT>         * Returns the start x-value (as a double primitive) for an item within <a name="line.347"></a>
<FONT color="green">348</FONT>         * a series.<a name="line.348"></a>
<FONT color="green">349</FONT>         * <a name="line.349"></a>
<FONT color="green">350</FONT>         * @param series  the series index (zero-based).<a name="line.350"></a>
<FONT color="green">351</FONT>         * @param item  the item index (zero-based).<a name="line.351"></a>
<FONT color="green">352</FONT>         * <a name="line.352"></a>
<FONT color="green">353</FONT>         * @return The value.<a name="line.353"></a>
<FONT color="green">354</FONT>         */<a name="line.354"></a>
<FONT color="green">355</FONT>        public double getStartXValue(int series, int item) {<a name="line.355"></a>
<FONT color="green">356</FONT>            TimePeriod period = (TimePeriod) this.values.getRowKey(item);<a name="line.356"></a>
<FONT color="green">357</FONT>            return period.getStart().getTime();<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>
<FONT color="green">360</FONT>        /**<a name="line.360"></a>
<FONT color="green">361</FONT>         * Returns the ending X value for the specified series and item.<a name="line.361"></a>
<FONT color="green">362</FONT>         *<a name="line.362"></a>
<FONT color="green">363</FONT>         * @param series  the series (zero-based index).<a name="line.363"></a>
<FONT color="green">364</FONT>         * @param item  the item within a series (zero-based index).<a name="line.364"></a>
<FONT color="green">365</FONT>         *<a name="line.365"></a>
<FONT color="green">366</FONT>         * @return The ending X value for the specified series and item.<a name="line.366"></a>
<FONT color="green">367</FONT>         */<a name="line.367"></a>
<FONT color="green">368</FONT>        public Number getEndX(int series, int item) {<a name="line.368"></a>
<FONT color="green">369</FONT>            return new Double(getEndXValue(series, item));<a name="line.369"></a>
<FONT color="green">370</FONT>        }<a name="line.370"></a>
<FONT color="green">371</FONT>    <a name="line.371"></a>
<FONT color="green">372</FONT>        /**<a name="line.372"></a>
<FONT color="green">373</FONT>         * Returns the end x-value (as a double primitive) for an item within <a name="line.373"></a>
<FONT color="green">374</FONT>         * a series.<a name="line.374"></a>
<FONT color="green">375</FONT>         * <a name="line.375"></a>
<FONT color="green">376</FONT>         * @param series  the series index (zero-based).<a name="line.376"></a>
<FONT color="green">377</FONT>         * @param item  the item index (zero-based).<a name="line.377"></a>
<FONT color="green">378</FONT>         * <a name="line.378"></a>
<FONT color="green">379</FONT>         * @return The value.<a name="line.379"></a>
<FONT color="green">380</FONT>         */<a name="line.380"></a>
<FONT color="green">381</FONT>        public double getEndXValue(int series, int item) {<a name="line.381"></a>
<FONT color="green">382</FONT>            TimePeriod period = (TimePeriod) this.values.getRowKey(item);<a name="line.382"></a>
<FONT color="green">383</FONT>            return period.getEnd().getTime();<a name="line.383"></a>
<FONT color="green">384</FONT>        }<a name="line.384"></a>
<FONT color="green">385</FONT>     <a name="line.385"></a>
<FONT color="green">386</FONT>        /**<a name="line.386"></a>
<FONT color="green">387</FONT>         * Returns the y-value for an item within a series.<a name="line.387"></a>
<FONT color="green">388</FONT>         *<a name="line.388"></a>
<FONT color="green">389</FONT>         * @param series  the series (zero-based index).<a name="line.389"></a>
<FONT color="green">390</FONT>         * @param item  the item (zero-based index).<a name="line.390"></a>
<FONT color="green">391</FONT>         *<a name="line.391"></a>
<FONT color="green">392</FONT>         * @return The y-value (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.392"></a>
<FONT color="green">393</FONT>         */<a name="line.393"></a>
<FONT color="green">394</FONT>        public Number getY(int series, int item) {<a name="line.394"></a>
<FONT color="green">395</FONT>            return this.values.getValue(item, series);<a name="line.395"></a>
<FONT color="green">396</FONT>        }<a name="line.396"></a>
<FONT color="green">397</FONT>        <a name="line.397"></a>
<FONT color="green">398</FONT>        /**<a name="line.398"></a>
<FONT color="green">399</FONT>         * Returns the starting Y value for the specified series and item.<a name="line.399"></a>
<FONT color="green">400</FONT>         *<a name="line.400"></a>
<FONT color="green">401</FONT>         * @param series  the series (zero-based index).<a name="line.401"></a>
<FONT color="green">402</FONT>         * @param item  the item within a series (zero-based index).<a name="line.402"></a>
<FONT color="green">403</FONT>         *<a name="line.403"></a>
<FONT color="green">404</FONT>         * @return The starting Y value for the specified series and item.<a name="line.404"></a>
<FONT color="green">405</FONT>         */<a name="line.405"></a>
<FONT color="green">406</FONT>        public Number getStartY(int series, int item) {<a name="line.406"></a>
<FONT color="green">407</FONT>            return getY(series, item);<a name="line.407"></a>
<FONT color="green">408</FONT>        }<a name="line.408"></a>
<FONT color="green">409</FONT>        <a name="line.409"></a>
<FONT color="green">410</FONT>        /**<a name="line.410"></a>
<FONT color="green">411</FONT>         * Returns the ending Y value for the specified series and item.<a name="line.411"></a>
<FONT color="green">412</FONT>         *<a name="line.412"></a>
<FONT color="green">413</FONT>         * @param series  the series (zero-based index).<a name="line.413"></a>
<FONT color="green">414</FONT>         * @param item  the item within a series (zero-based index).<a name="line.414"></a>
<FONT color="green">415</FONT>         *<a name="line.415"></a>
<FONT color="green">416</FONT>         * @return The ending Y value for the specified series and item.<a name="line.416"></a>
<FONT color="green">417</FONT>         */<a name="line.417"></a>
<FONT color="green">418</FONT>        public Number getEndY(int series, int item) {<a name="line.418"></a>
<FONT color="green">419</FONT>            return getY(series, item);<a name="line.419"></a>
<FONT color="green">420</FONT>        }<a name="line.420"></a>
<FONT color="green">421</FONT>        <a name="line.421"></a>
<FONT color="green">422</FONT>        /**<a name="line.422"></a>
<FONT color="green">423</FONT>         * Returns the x-value for a time period.<a name="line.423"></a>
<FONT color="green">424</FONT>         *<a name="line.424"></a>
<FONT color="green">425</FONT>         * @param period  the time period.<a name="line.425"></a>
<FONT color="green">426</FONT>         *<a name="line.426"></a>
<FONT color="green">427</FONT>         * @return The x-value.<a name="line.427"></a>
<FONT color="green">428</FONT>         */<a name="line.428"></a>
<FONT color="green">429</FONT>        private long getXValue(TimePeriod period) {<a name="line.429"></a>
<FONT color="green">430</FONT>            long result = 0L;<a name="line.430"></a>
<FONT color="green">431</FONT>            if (this.xPosition == TimePeriodAnchor.START) {<a name="line.431"></a>
<FONT color="green">432</FONT>                result = period.getStart().getTime();<a name="line.432"></a>
<FONT color="green">433</FONT>            }<a name="line.433"></a>
<FONT color="green">434</FONT>            else if (this.xPosition == TimePeriodAnchor.MIDDLE) {<a name="line.434"></a>
<FONT color="green">435</FONT>                long t0 = period.getStart().getTime();<a name="line.435"></a>
<FONT color="green">436</FONT>                long t1 = period.getEnd().getTime();<a name="line.436"></a>
<FONT color="green">437</FONT>                result = t0 + (t1 - t0) / 2L;<a name="line.437"></a>
<FONT color="green">438</FONT>            }<a name="line.438"></a>
<FONT color="green">439</FONT>            else if (this.xPosition == TimePeriodAnchor.END) {<a name="line.439"></a>
<FONT color="green">440</FONT>                result = period.getEnd().getTime();<a name="line.440"></a>
<FONT color="green">441</FONT>            }<a name="line.441"></a>
<FONT color="green">442</FONT>            return result;<a name="line.442"></a>
<FONT color="green">443</FONT>        }<a name="line.443"></a>
<FONT color="green">444</FONT>        <a name="line.444"></a>
<FONT color="green">445</FONT>        /**<a name="line.445"></a>
<FONT color="green">446</FONT>         * Returns the minimum x-value in the dataset.<a name="line.446"></a>
<FONT color="green">447</FONT>         *<a name="line.447"></a>
<FONT color="green">448</FONT>         * @param includeInterval  a flag that determines whether or not the<a name="line.448"></a>
<FONT color="green">449</FONT>         *                         x-interval is taken into account.<a name="line.449"></a>
<FONT color="green">450</FONT>         * <a name="line.450"></a>
<FONT color="green">451</FONT>         * @return The minimum value.<a name="line.451"></a>
<FONT color="green">452</FONT>         */<a name="line.452"></a>
<FONT color="green">453</FONT>        public double getDomainLowerBound(boolean includeInterval) {<a name="line.453"></a>
<FONT color="green">454</FONT>            double result = Double.NaN;<a name="line.454"></a>
<FONT color="green">455</FONT>            Range r = getDomainBounds(includeInterval);<a name="line.455"></a>
<FONT color="green">456</FONT>            if (r != null) {<a name="line.456"></a>
<FONT color="green">457</FONT>                result = r.getLowerBound();<a name="line.457"></a>
<FONT color="green">458</FONT>            }<a name="line.458"></a>
<FONT color="green">459</FONT>            return result;<a name="line.459"></a>
<FONT color="green">460</FONT>        }<a name="line.460"></a>
<FONT color="green">461</FONT>    <a name="line.461"></a>
<FONT color="green">462</FONT>        /**<a name="line.462"></a>