List of usage examples for org.jfree.data ComparableObjectItem getComparable
protected Comparable getComparable()
From source file:org.jfree.data.ComparableObjectSeries.java
/** * Returns the index of the item with the specified x-value, or a negative * index if the series does not contain an item with that x-value. Be * aware that for an unsorted series, the index is found by iterating * through all items in the series./*w w w .jav a2s . co m*/ * * @param x the x-value (<code>null</code> not permitted). * * @return The index. */ public int indexOf(Comparable x) { if (this.autoSort) { return Collections.binarySearch(this.data, new ComparableObjectItem(x, null)); } else { for (int i = 0; i < this.data.size(); i++) { ComparableObjectItem item = (ComparableObjectItem) this.data.get(i); if (item.getComparable().equals(x)) { return i; } } return -1; } }
From source file:org.jfree.data.ComparableObjectSeries.java
/** * Adds a data item to the series and, if requested, sends a * {@link SeriesChangeEvent} to all registered listeners. * * @param item the (x, y) item (<code>null</code> not permitted). * @param notify a flag that controls whether or not a * {@link SeriesChangeEvent} is sent to all registered * listeners.// w w w . j a v a2s. co m */ protected void add(ComparableObjectItem item, boolean notify) { ParamChecks.nullNotPermitted(item, "item"); if (this.autoSort) { int index = Collections.binarySearch(this.data, item); if (index < 0) { this.data.add(-index - 1, item); } else { if (this.allowDuplicateXValues) { // need to make sure we are adding *after* any duplicates int size = this.data.size(); while (index < size && item.compareTo(this.data.get(index)) == 0) { index++; } if (index < this.data.size()) { this.data.add(index, item); } else { this.data.add(item); } } else { throw new SeriesException("X-value already exists."); } } } else { if (!this.allowDuplicateXValues) { // can't allow duplicate values, so we need to check whether // there is an item with the given x-value already int index = indexOf(item.getComparable()); if (index >= 0) { throw new SeriesException("X-value already exists."); } } this.data.add(item); } if (getItemCount() > this.maximumItemCount) { this.data.remove(0); } if (notify) { fireSeriesChanged(); } }