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java.lang.Objectweka.core.Range
public class Range
Class representing a range of cardinal numbers. The range is set by a string representation such as:
first-last
1,2,3,4
or combinations thereof. The range is internally converted from 1-based to 0-based (so methods that set or get numbers not in string format should use 0-based numbers).
| Constructor Summary | |
|---|---|
Range()
Default constructor. |
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Range(java.lang.String rangeList)
Constructor to set initial range. |
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| Method Summary | |
|---|---|
boolean |
getInvert()
Gets whether the range sense is inverted, i.e. |
java.lang.String |
getRanges()
Gets the string representing the selected range of values |
java.lang.String |
getRevision()
Returns the revision string. |
int[] |
getSelection()
Gets an array containing all the selected values, in the order that they were selected (or ascending order if range inversion is on) |
static java.lang.String |
indicesToRangeList(int[] indices)
Creates a string representation of the indices in the supplied array. |
boolean |
isInRange(int index)
Gets whether the supplied cardinal number is included in the current range. |
static void |
main(java.lang.String[] argv)
Main method for testing this class. |
void |
setInvert(boolean newSetting)
Sets whether the range sense is inverted, i.e. |
void |
setRanges(java.lang.String rangeList)
Sets the ranges from a string representation. |
void |
setUpper(int newUpper)
Sets the value of "last". |
java.lang.String |
toString()
Constructs a representation of the current range. |
| Methods inherited from class java.lang.Object |
|---|
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
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public Range()
public Range(java.lang.String rangeList)
rangeList - the initial range
java.lang.IllegalArgumentException - if the range list is invalid| Method Detail |
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public void setUpper(int newUpper)
newUpper - the value of "last"public boolean getInvert()
public void setInvert(boolean newSetting)
newSetting - true if the matching sense is invertedpublic java.lang.String getRanges()
public void setRanges(java.lang.String rangeList)
rangeList - the comma separated list of ranges. The empty
string sets the range to empty.
java.lang.IllegalArgumentException - if the rangeList was not well formedpublic boolean isInRange(int index)
index - the number of interest
java.lang.RuntimeException - if the upper limit of the range hasn't been definedpublic java.lang.String toString()
toString in class java.lang.Objectpublic int[] getSelection()
java.lang.RuntimeException - if the upper limit of the range hasn't been definedpublic static java.lang.String indicesToRangeList(int[] indices)
indices - an array containing indices to select.
Since the array will typically come from a program, indices are assumed
from 0, and thus will have 1 added in the String representation.
public java.lang.String getRevision()
getRevision in interface RevisionHandlerpublic static void main(java.lang.String[] argv)
argv - one parameter: a test range specification
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