defaultintervalcategorydataset.html

jfreechart1。0。2的api。

<FONT color="green">614</FONT>         * Returns a column index.<a name="line.614"></a>
<FONT color="green">615</FONT>         *<a name="line.615"></a>
<FONT color="green">616</FONT>         * @param columnKey  the column key.<a name="line.616"></a>
<FONT color="green">617</FONT>         *<a name="line.617"></a>
<FONT color="green">618</FONT>         * @return The column index.<a name="line.618"></a>
<FONT color="green">619</FONT>         */<a name="line.619"></a>
<FONT color="green">620</FONT>        public int getColumnIndex(Comparable columnKey) {<a name="line.620"></a>
<FONT color="green">621</FONT>            List categories = getCategories();<a name="line.621"></a>
<FONT color="green">622</FONT>            return categories.indexOf(columnKey);<a name="line.622"></a>
<FONT color="green">623</FONT>        }<a name="line.623"></a>
<FONT color="green">624</FONT>    <a name="line.624"></a>
<FONT color="green">625</FONT>        /**<a name="line.625"></a>
<FONT color="green">626</FONT>         * Returns a row index.<a name="line.626"></a>
<FONT color="green">627</FONT>         *<a name="line.627"></a>
<FONT color="green">628</FONT>         * @param rowKey  the row key.<a name="line.628"></a>
<FONT color="green">629</FONT>         *<a name="line.629"></a>
<FONT color="green">630</FONT>         * @return The row index.<a name="line.630"></a>
<FONT color="green">631</FONT>         */<a name="line.631"></a>
<FONT color="green">632</FONT>        public int getRowIndex(Comparable rowKey) {<a name="line.632"></a>
<FONT color="green">633</FONT>            List seriesKeys = getSeries();<a name="line.633"></a>
<FONT color="green">634</FONT>            return seriesKeys.indexOf(rowKey);<a name="line.634"></a>
<FONT color="green">635</FONT>        }<a name="line.635"></a>
<FONT color="green">636</FONT>    <a name="line.636"></a>
<FONT color="green">637</FONT>        /**<a name="line.637"></a>
<FONT color="green">638</FONT>         * Returns a list of the series in the dataset.<a name="line.638"></a>
<FONT color="green">639</FONT>         * &lt;P&gt;<a name="line.639"></a>
<FONT color="green">640</FONT>         * Supports the CategoryDataset interface.<a name="line.640"></a>
<FONT color="green">641</FONT>         *<a name="line.641"></a>
<FONT color="green">642</FONT>         * @return A list of the series in the dataset.<a name="line.642"></a>
<FONT color="green">643</FONT>         */<a name="line.643"></a>
<FONT color="green">644</FONT>        public List getRowKeys() {<a name="line.644"></a>
<FONT color="green">645</FONT>            // the CategoryDataset interface expects a list of series, but<a name="line.645"></a>
<FONT color="green">646</FONT>            // we've stored them in an array...<a name="line.646"></a>
<FONT color="green">647</FONT>            if (this.seriesKeys == null) {<a name="line.647"></a>
<FONT color="green">648</FONT>                return new java.util.ArrayList();<a name="line.648"></a>
<FONT color="green">649</FONT>            }<a name="line.649"></a>
<FONT color="green">650</FONT>            else {<a name="line.650"></a>
<FONT color="green">651</FONT>                return Collections.unmodifiableList(Arrays.asList(this.seriesKeys));<a name="line.651"></a>
<FONT color="green">652</FONT>            }<a name="line.652"></a>
<FONT color="green">653</FONT>        }<a name="line.653"></a>
<FONT color="green">654</FONT>    <a name="line.654"></a>
<FONT color="green">655</FONT>        /**<a name="line.655"></a>
<FONT color="green">656</FONT>         * Returns the name of the specified series.<a name="line.656"></a>
<FONT color="green">657</FONT>         *<a name="line.657"></a>
<FONT color="green">658</FONT>         * @param row  the index of the required row/series (zero-based).<a name="line.658"></a>
<FONT color="green">659</FONT>         *<a name="line.659"></a>
<FONT color="green">660</FONT>         * @return The name of the specified series.<a name="line.660"></a>
<FONT color="green">661</FONT>         */<a name="line.661"></a>
<FONT color="green">662</FONT>        public Comparable getRowKey(int row) {<a name="line.662"></a>
<FONT color="green">663</FONT>            if ((row &gt;= getRowCount()) || (row &lt; 0)) {<a name="line.663"></a>
<FONT color="green">664</FONT>                throw new IllegalArgumentException(<a name="line.664"></a>
<FONT color="green">665</FONT>                        "The 'row' argument is out of bounds.");<a name="line.665"></a>
<FONT color="green">666</FONT>            }<a name="line.666"></a>
<FONT color="green">667</FONT>            return this.seriesKeys[row];<a name="line.667"></a>
<FONT color="green">668</FONT>        }<a name="line.668"></a>
<FONT color="green">669</FONT>    <a name="line.669"></a>
<FONT color="green">670</FONT>        /**<a name="line.670"></a>
<FONT color="green">671</FONT>         * Returns the number of categories in the dataset.  This method is part of <a name="line.671"></a>
<FONT color="green">672</FONT>         * the {@link CategoryDataset} interface.<a name="line.672"></a>
<FONT color="green">673</FONT>         *<a name="line.673"></a>
<FONT color="green">674</FONT>         * @return The number of categories in the dataset.<a name="line.674"></a>
<FONT color="green">675</FONT>         */<a name="line.675"></a>
<FONT color="green">676</FONT>        public int getColumnCount() {<a name="line.676"></a>
<FONT color="green">677</FONT>            int result = 0;<a name="line.677"></a>
<FONT color="green">678</FONT>            if (this.startData != null) {<a name="line.678"></a>
<FONT color="green">679</FONT>                if (getSeriesCount() &gt; 0) {<a name="line.679"></a>
<FONT color="green">680</FONT>                    result = this.startData[0].length;<a name="line.680"></a>
<FONT color="green">681</FONT>                }<a name="line.681"></a>
<FONT color="green">682</FONT>            }<a name="line.682"></a>
<FONT color="green">683</FONT>            return result;<a name="line.683"></a>
<FONT color="green">684</FONT>        }<a name="line.684"></a>
<FONT color="green">685</FONT>    <a name="line.685"></a>
<FONT color="green">686</FONT>        /**<a name="line.686"></a>
<FONT color="green">687</FONT>         * Returns the number of series in the dataset (possibly zero).<a name="line.687"></a>
<FONT color="green">688</FONT>         *<a name="line.688"></a>
<FONT color="green">689</FONT>         * @return The number of series in the dataset.<a name="line.689"></a>
<FONT color="green">690</FONT>         */<a name="line.690"></a>
<FONT color="green">691</FONT>        public int getRowCount() {<a name="line.691"></a>
<FONT color="green">692</FONT>            int result = 0;<a name="line.692"></a>
<FONT color="green">693</FONT>            if (this.startData != null) {<a name="line.693"></a>
<FONT color="green">694</FONT>                result = this.startData.length;<a name="line.694"></a>
<FONT color="green">695</FONT>            }<a name="line.695"></a>
<FONT color="green">696</FONT>            return result;<a name="line.696"></a>
<FONT color="green">697</FONT>        }<a name="line.697"></a>
<FONT color="green">698</FONT>    <a name="line.698"></a>
<FONT color="green">699</FONT>    }<a name="line.699"></a>




























































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