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Java Source Code / Java Documentation » Chart » jfreechart » org.jfree.data

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.jfree.data .Range

All known Subclasses:   org.jfree.data.time .DateRange,
Range
public strictfp class Range implements Serializable(Code)
Represents an immutable range of values.

Constructor Summary
public Range(double lower, double upper)
     Creates a new range.

Method Summary
public static Range combine(Range range1, Range range2)
     Creates a new range by combining two existing ranges.
Note that:

either range can be null, in which case the other range is returned;

if both ranges are null the return value is null.

Parameters:
  range1 - the first range (null permitted).
Parameters:
  range2 - the second range (null permitted).
public double constrain(double value)
     Returns the value within the range that is closest to the specified value.
Parameters:
  value - the value.
public boolean contains(double value)
     Returns true if the range contains the specified value and false otherwise.
Parameters:
  value - the value to lookup.
public boolean equals(Object obj)
     Tests this object for equality with an arbitrary object.
Parameters:
  obj - the object to test against (null permitted).
public static Range expand(Range range, double lowerMargin, double upperMargin)
     Creates a new range by adding margins to an existing range.
Parameters:
  range - the range (null not permitted).
Parameters:
  lowerMargin - the lower margin (expressed as a percentage of the range length).
Parameters:
  upperMargin - the upper margin (expressed as a percentage of the range length).
public static Range expandToInclude(Range range, double value)
     Returns a range that includes all the values in the specified range AND the specified value.
Parameters:
  range - the range (null permitted).
Parameters:
  value - the value that must be included.
public double getCentralValue()
     Returns the central value for the range.
public double getLength()
     Returns the length of the range.
public double getLowerBound()
     Returns the lower bound for the range.
public double getUpperBound()
     Returns the upper bound for the range.
public int hashCode()
     Returns a hash code.
public boolean intersects(double b0, double b1)
     Returns true if the range intersects with the specified range, and false otherwise.
Parameters:
  b0 - the lower bound (should be <= b1).
Parameters:
  b1 - the upper bound (should be >= b0).
public static Range shift(Range base, double delta)
     Shifts the range by the specified amount.
Parameters:
  base - the base range.
Parameters:
  delta - the shift amount.
public static Range shift(Range base, double delta, boolean allowZeroCrossing)
     Shifts the range by the specified amount.
Parameters:
  base - the base range.
Parameters:
  delta - the shift amount.
Parameters:
  allowZeroCrossing - a flag that determines whether or not the bounds of the range are allowed to crosszero after adjustment.
public String toString()
     Returns a string representation of this Range.

Constructor Detail
Range
public Range(double lower, double upper)(Code)
Creates a new range.
Parameters:
  lower - the lower bound (must be <= upper bound).
Parameters:
  upper - the upper bound (must be >= lower bound).

Method Detail
combine
public static Range combine(Range range1, Range range2)(Code)
Creates a new range by combining two existing ranges.
Note that:

either range can be null, in which case the other range is returned;

if both ranges are null the return value is null.

Parameters:
  range1 - the first range (null permitted).
Parameters:
  range2 - the second range (null permitted). A new range (possibly null).

constrain
public double constrain(double value)(Code)
Returns the value within the range that is closest to the specified value.
Parameters:
  value - the value. The constrained value.

contains
public boolean contains(double value)(Code)
Returns true if the range contains the specified value and false otherwise.
Parameters:
  value - the value to lookup. true if the range contains the specified value.

equals
public boolean equals(Object obj)(Code)
Tests this object for equality with an arbitrary object.
Parameters:
  obj - the object to test against (null permitted). A boolean.

expand
public static Range expand(Range range, double lowerMargin, double upperMargin)(Code)
Creates a new range by adding margins to an existing range.
Parameters:
  range - the range (null not permitted).
Parameters:
  lowerMargin - the lower margin (expressed as a percentage of the range length).
Parameters:
  upperMargin - the upper margin (expressed as a percentage of the range length). The expanded range.

expandToInclude
public static Range expandToInclude(Range range, double value)(Code)
Returns a range that includes all the values in the specified range AND the specified value.
Parameters:
  range - the range (null permitted).
Parameters:
  value - the value that must be included. A range.
since:
   1.0.1

getCentralValue
public double getCentralValue()(Code)
Returns the central value for the range. The central value.

getLength
public double getLength()(Code)
Returns the length of the range. The length.

getLowerBound
public double getLowerBound()(Code)
Returns the lower bound for the range. The lower bound.

getUpperBound
public double getUpperBound()(Code)
Returns the upper bound for the range. The upper bound.

hashCode
public int hashCode()(Code)
Returns a hash code. A hash code.

intersects
public boolean intersects(double b0, double b1)(Code)
Returns true if the range intersects with the specified range, and false otherwise.
Parameters:
  b0 - the lower bound (should be <= b1).
Parameters:
  b1 - the upper bound (should be >= b0). A boolean.

shift
public static Range shift(Range base, double delta)(Code)
Shifts the range by the specified amount.
Parameters:
  base - the base range.
Parameters:
  delta - the shift amount. A new range.

shift
public static Range shift(Range base, double delta, boolean allowZeroCrossing)(Code)
Shifts the range by the specified amount.
Parameters:
  base - the base range.
Parameters:
  delta - the shift amount.
Parameters:
  allowZeroCrossing - a flag that determines whether or not the bounds of the range are allowed to crosszero after adjustment. A new range.

toString
public String toString()(Code)
Returns a string representation of this Range. A String "Range[lower,upper]" where lower=lower range and upper=upper range.

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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