public class ConstantColumnData
extends uk.ac.starlink.table.ColumnData
equals
and hashCode
methods are implemented
so that instances with the same values are equal to each other.Modifier and Type | Field | Description |
---|---|---|
static ConstantColumnData |
NAN |
Instance with values of Double.NaN.
|
static ConstantColumnData |
ONE |
Instance with values of 1.
|
static ConstantColumnData |
ZERO |
Instance with values of 0.
|
Constructor | Description |
---|---|
ConstantColumnData(java.lang.String name,
double value) |
Constructor.
|
Modifier and Type | Method | Description |
---|---|---|
boolean |
equals(java.lang.Object other) |
|
int |
hashCode() |
|
java.lang.Object |
readValue(long irow) |
public static final ConstantColumnData ZERO
public static final ConstantColumnData ONE
public static final ConstantColumnData NAN
public ConstantColumnData(java.lang.String name, double value)
name
- column namevalue
- constant column valuepublic java.lang.Object readValue(long irow)
readValue
in class uk.ac.starlink.table.ColumnData
public boolean equals(java.lang.Object other)
equals
in class java.lang.Object
public int hashCode()
hashCode
in class java.lang.Object
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