dynamictimeseriescollection.html

jfreechart1。0。2的api。

<FONT color="green">292</FONT>            if (this.timePeriodClass == Second.class) {<a name="line.292"></a>
<FONT color="green">293</FONT>                this.pointsInTime = new Second[nMoments];<a name="line.293"></a>
<FONT color="green">294</FONT>            }<a name="line.294"></a>
<FONT color="green">295</FONT>            else if (this.timePeriodClass == Minute.class) {<a name="line.295"></a>
<FONT color="green">296</FONT>                this.pointsInTime = new Minute[nMoments];<a name="line.296"></a>
<FONT color="green">297</FONT>            }<a name="line.297"></a>
<FONT color="green">298</FONT>            else if (this.timePeriodClass == Hour.class) {<a name="line.298"></a>
<FONT color="green">299</FONT>                this.pointsInTime = new Hour[nMoments];<a name="line.299"></a>
<FONT color="green">300</FONT>            }<a name="line.300"></a>
<FONT color="green">301</FONT>            ///  .. etc....<a name="line.301"></a>
<FONT color="green">302</FONT>            this.workingCalendar = Calendar.getInstance(zone);<a name="line.302"></a>
<FONT color="green">303</FONT>            this.position = START;<a name="line.303"></a>
<FONT color="green">304</FONT>            this.domainIsPointsInTime = true;<a name="line.304"></a>
<FONT color="green">305</FONT>        }<a name="line.305"></a>
<FONT color="green">306</FONT>    <a name="line.306"></a>
<FONT color="green">307</FONT>        /**<a name="line.307"></a>
<FONT color="green">308</FONT>         * Fill the pointsInTime with times using TimePeriod.next():<a name="line.308"></a>
<FONT color="green">309</FONT>         * Will silently return if the time array was already populated.<a name="line.309"></a>
<FONT color="green">310</FONT>         *<a name="line.310"></a>
<FONT color="green">311</FONT>         * Also computes the data cached for later use by<a name="line.311"></a>
<FONT color="green">312</FONT>         * methods implementing the DomainInfo interface:<a name="line.312"></a>
<FONT color="green">313</FONT>         *<a name="line.313"></a>
<FONT color="green">314</FONT>         * @param start  the start.<a name="line.314"></a>
<FONT color="green">315</FONT>         *<a name="line.315"></a>
<FONT color="green">316</FONT>         * @return ??.<a name="line.316"></a>
<FONT color="green">317</FONT>         */<a name="line.317"></a>
<FONT color="green">318</FONT>        public synchronized long setTimeBase(RegularTimePeriod start) {<a name="line.318"></a>
<FONT color="green">319</FONT>    <a name="line.319"></a>
<FONT color="green">320</FONT>            if (this.pointsInTime[0] == null) {<a name="line.320"></a>
<FONT color="green">321</FONT>                this.pointsInTime[0] = start;<a name="line.321"></a>
<FONT color="green">322</FONT>                for (int i = 1; i &lt; this.historyCount; i++) {<a name="line.322"></a>
<FONT color="green">323</FONT>                    this.pointsInTime[i] = this.pointsInTime[i - 1].next();<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>            long oldestL = this.pointsInTime[0].getFirstMillisecond(<a name="line.326"></a>
<FONT color="green">327</FONT>                this.workingCalendar<a name="line.327"></a>
<FONT color="green">328</FONT>            );<a name="line.328"></a>
<FONT color="green">329</FONT>            long nextL = this.pointsInTime[1].getFirstMillisecond(<a name="line.329"></a>
<FONT color="green">330</FONT>                this.workingCalendar<a name="line.330"></a>
<FONT color="green">331</FONT>            );<a name="line.331"></a>
<FONT color="green">332</FONT>            this.deltaTime = nextL - oldestL;<a name="line.332"></a>
<FONT color="green">333</FONT>            this.oldestAt = 0;<a name="line.333"></a>
<FONT color="green">334</FONT>            this.newestAt = this.historyCount - 1;<a name="line.334"></a>
<FONT color="green">335</FONT>            findDomainLimits();<a name="line.335"></a>
<FONT color="green">336</FONT>            return this.deltaTime;<a name="line.336"></a>
<FONT color="green">337</FONT>    <a name="line.337"></a>
<FONT color="green">338</FONT>        }<a name="line.338"></a>
<FONT color="green">339</FONT>    <a name="line.339"></a>
<FONT color="green">340</FONT>        /**<a name="line.340"></a>
<FONT color="green">341</FONT>         * Finds the domain limits.  Note: this doesn't need to be synchronized <a name="line.341"></a>
<FONT color="green">342</FONT>         * because it's called from within another method that already is.<a name="line.342"></a>
<FONT color="green">343</FONT>         */<a name="line.343"></a>
<FONT color="green">344</FONT>        protected void findDomainLimits() {<a name="line.344"></a>
<FONT color="green">345</FONT>    <a name="line.345"></a>
<FONT color="green">346</FONT>            long startL = getOldestTime().getFirstMillisecond(this.workingCalendar);<a name="line.346"></a>
<FONT color="green">347</FONT>            long endL;<a name="line.347"></a>
<FONT color="green">348</FONT>            if (this.domainIsPointsInTime) {<a name="line.348"></a>
<FONT color="green">349</FONT>                endL = getNewestTime().getFirstMillisecond(this.workingCalendar);<a name="line.349"></a>
<FONT color="green">350</FONT>            }<a name="line.350"></a>
<FONT color="green">351</FONT>            else {<a name="line.351"></a>
<FONT color="green">352</FONT>                endL = getNewestTime().getLastMillisecond(this.workingCalendar);<a name="line.352"></a>
<FONT color="green">353</FONT>            }<a name="line.353"></a>
<FONT color="green">354</FONT>            this.domainStart = new Long(startL);<a name="line.354"></a>
<FONT color="green">355</FONT>            this.domainEnd = new Long(endL);<a name="line.355"></a>
<FONT color="green">356</FONT>            this.domainRange = new Range(startL, endL);<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>
<FONT color="green">360</FONT>        /**<a name="line.360"></a>
<FONT color="green">361</FONT>         * Returns the x position type (START, MIDDLE or END).<a name="line.361"></a>
<FONT color="green">362</FONT>         *<a name="line.362"></a>
<FONT color="green">363</FONT>         * @return The x position type.<a name="line.363"></a>
<FONT color="green">364</FONT>         */<a name="line.364"></a>
<FONT color="green">365</FONT>        public int getPosition() {<a name="line.365"></a>
<FONT color="green">366</FONT>            return this.position;<a name="line.366"></a>
<FONT color="green">367</FONT>        }<a name="line.367"></a>
<FONT color="green">368</FONT>    <a name="line.368"></a>
<FONT color="green">369</FONT>        /**<a name="line.369"></a>
<FONT color="green">370</FONT>         * Sets the x position type (START, MIDDLE or END).<a name="line.370"></a>
<FONT color="green">371</FONT>         *<a name="line.371"></a>
<FONT color="green">372</FONT>         * @param position The x position type.<a name="line.372"></a>
<FONT color="green">373</FONT>         */<a name="line.373"></a>
<FONT color="green">374</FONT>        public void setPosition(int position) {<a name="line.374"></a>
<FONT color="green">375</FONT>            this.position = position;<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>
<FONT color="green">379</FONT>         * Adds a series to the dataset.  Only the y-values are supplied, the <a name="line.379"></a>
<FONT color="green">380</FONT>         * x-values are specified elsewhere.<a name="line.380"></a>
<FONT color="green">381</FONT>         *<a name="line.381"></a>
<FONT color="green">382</FONT>         * @param values  the y-values.<a name="line.382"></a>
<FONT color="green">383</FONT>         * @param seriesNumber  the series index (zero-based).<a name="line.383"></a>
<FONT color="green">384</FONT>         * @param seriesKey  the series key.<a name="line.384"></a>
<FONT color="green">385</FONT>         *<a name="line.385"></a>
<FONT color="green">386</FONT>         * Use this as-is during setup only, or add the synchronized keyword around <a name="line.386"></a>
<FONT color="green">387</FONT>         * the copy loop.<a name="line.387"></a>
<FONT color="green">388</FONT>         */<a name="line.388"></a>
<FONT color="green">389</FONT>        public void addSeries(float[] values,<a name="line.389"></a>
<FONT color="green">390</FONT>                              int seriesNumber, Comparable seriesKey) {<a name="line.390"></a>
<FONT color="green">391</FONT>    <a name="line.391"></a>
<FONT color="green">392</FONT>            invalidateRangeInfo();<a name="line.392"></a>
<FONT color="green">393</FONT>            int i;<a name="line.393"></a>
<FONT color="green">394</FONT>            if (values == null) {<a name="line.394"></a>
<FONT color="green">395</FONT>                throw new IllegalArgumentException("TimeSeriesDataset.addSeries(): "<a name="line.395"></a>
<FONT color="green">396</FONT>                    + "cannot add null array of values.");<a name="line.396"></a>
<FONT color="green">397</FONT>            }<a name="line.397"></a>
<FONT color="green">398</FONT>            if (seriesNumber &gt;= this.valueHistory.length) {<a name="line.398"></a>
<FONT color="green">399</FONT>                throw new IllegalArgumentException("TimeSeriesDataset.addSeries(): "<a name="line.399"></a>
<FONT color="green">400</FONT>                    + "cannot add more series than specified in c'tor");<a name="line.400"></a>
<FONT color="green">401</FONT>            }<a name="line.401"></a>
<FONT color="green">402</FONT>            if (this.valueHistory[seriesNumber] == null) {<a name="line.402"></a>
<FONT color="green">403</FONT>                this.valueHistory[seriesNumber] <a name="line.403"></a>
<FONT color="green">404</FONT>                    = new ValueSequence(this.historyCount);<a name="line.404"></a>
<FONT color="green">405</FONT>                this.seriesCount++;<a name="line.405"></a>
<FONT color="green">406</FONT>            }   <a name="line.406"></a>
<FONT color="green">407</FONT>            // But if that series array already exists, just overwrite its contents<a name="line.407"></a>
<FONT color="green">408</FONT>    <a name="line.408"></a>
<FONT color="green">409</FONT>            // Avoid IndexOutOfBoundsException:<a name="line.409"></a>
<FONT color="green">410</FONT>            int srcLength = values.length;<a name="line.410"></a>
<FONT color="green">411</FONT>            int copyLength = this.historyCount;<a name="line.411"></a>
<FONT color="green">412</FONT>            boolean fillNeeded = false;<a name="line.412"></a>
<FONT color="green">413</FONT>            if (srcLength &lt; this.historyCount) {<a name="line.413"></a>
<FONT color="green">414</FONT>                fillNeeded = true;<a name="line.414"></a>
<FONT color="green">415</FONT>                copyLength = srcLength;<a name="line.415"></a>
<FONT color="green">416</FONT>            }<a name="line.416"></a>
<FONT color="green">417</FONT>            //{<a name="line.417"></a>
<FONT color="green">418</FONT>            for (i = 0; i &lt; copyLength; i++) { // deep copy from values[], caller <a name="line.418"></a>
<FONT color="green">419</FONT>                                               // can safely discard that array<a name="line.419"></a>
<FONT color="green">420</FONT>                this.valueHistory[seriesNumber].enterData(i, values[i]);<a name="line.420"></a>
<FONT color="green">421</FONT>            }<a name="line.421"></a>
<FONT color="green">422</FONT>            if (fillNeeded) {<a name="line.422"></a>
<FONT color="green">423</FONT>                for (i = copyLength; i &lt; this.historyCount; i++) {<a name="line.423"></a>
<FONT color="green">424</FONT>                    this.valueHistory[seriesNumber].enterData(i, 0.0f);<a name="line.424"></a>
<FONT color="green">425</FONT>                }<a name="line.425"></a>
<FONT color="green">426</FONT>            }<a name="line.426"></a>
<FONT color="green">427</FONT>          //}<a name="line.427"></a>
<FONT color="green">428</FONT>            if (seriesKey != null) {<a name="line.428"></a>
<FONT color="green">429</FONT>                this.seriesKeys[seriesNumber] = seriesKey;<a name="line.429"></a>
<FONT color="green">430</FONT>            }<a name="line.430"></a>
<FONT color="green">431</FONT>            fireSeriesChanged();<a name="line.431"></a>
<FONT color="green">432</FONT>    <a name="line.432"></a>
<FONT color="green">433</FONT>        }<a name="line.433"></a>
<FONT color="green">434</FONT>    <a name="line.434"></a>
<FONT color="green">435</FONT>        /**<a name="line.435"></a>
<FONT color="green">436</FONT>         * Sets the name of a series.  If planning to add values individually.<a name="line.436"></a>
<FONT color="green">437</FONT>         *<a name="line.437"></a>
<FONT color="green">438</FONT>         * @param seriesNumber  the series.<a name="line.438"></a>