Example usage for org.jfree.data.time RegularTimePeriod compareTo

Introduction

In this page you can find the example usage for org.jfree.data.time RegularTimePeriod compareTo.

Prototype

public int compareTo(T o);

Source Link

Document

Compares this object with the specified object for order.

Usage

From source file:org.jfree.data.time.TimeSeries.java

/**
 * Creates a new timeseries by copying a subset of the data in this time
 * series.//from ww  w . j a v  a  2s  .  c  o  m
 *
 * @param start  the first time period to copy (<code>null</code> not
 *         permitted).
 * @param end  the last time period to copy (<code>null</code> not
 *         permitted).
 *
 * @return A time series containing a copy of this time series from start
 *         until end.
 *
 * @throws CloneNotSupportedException if there is a cloning problem.
 */
public TimeSeries createCopy(RegularTimePeriod start, RegularTimePeriod end) throws CloneNotSupportedException {

    ParamChecks.nullNotPermitted(start, "start");
    ParamChecks.nullNotPermitted(end, "end");
    if (start.compareTo(end) > 0) {
        throw new IllegalArgumentException("Requires start on or before end.");
    }
    boolean emptyRange = false;
    int startIndex = getIndex(start);
    if (startIndex < 0) {
        startIndex = -(startIndex + 1);
        if (startIndex == this.data.size()) {
            emptyRange = true; // start is after last data item
        }
    }
    int endIndex = getIndex(end);
    if (endIndex < 0) { // end period is not in original series
        endIndex = -(endIndex + 1); // this is first item AFTER end period
        endIndex = endIndex - 1; // so this is last item BEFORE end
    }
    if ((endIndex < 0) || (endIndex < startIndex)) {
        emptyRange = true;
    }
    if (emptyRange) {
        TimeSeries copy = (TimeSeries) super.clone();
        copy.data = new java.util.ArrayList();
        return copy;
    }
    return createCopy(startIndex, endIndex);
}

---