Package ucar.unidata.util

Class Parameter

java.lang.Object

ucar.unidata.util.Parameter

All Implemented Interfaces:

Serializable

@Immutable
public class Parameter
extends Object
implements Serializable

A parameter has a name and a value that is String, a double, or an array of doubles. A substitute for ucar.nc2.Attribute, to prevent dependencies of the ucar.unidata packages on ucar.nc2. LOOK will not implement Serializable in ver6; may be replaced by Attribute.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
Parameter(String name, double value)	Create a scalar double-valued param.
Parameter(String name, double[] value)	Create an array double-valued param.
Parameter(String name, String val)	Create a String-valued param.
Parameter(String name, Parameter from)	Copy constructor, with new name.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
int	getLength()	Get the number of double values.
String	getName()	Get the name of this Parameter.
double	getNumericValue()	Retrieve numeric value, use if isString() is false.
double	getNumericValue(int i)	Get the ith numeric value.
double[]	getNumericValues()	Get array of numeric values as doubles.
String	getStringValue()	Retrieve String value.
int	hashCode()
boolean	isString()	True if value is a String.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Parameter

public Parameter(String name,
                 Parameter from)

Copy constructor, with new name.

Parameters:

name - name of new Parameter.

from - copy values from here.

Parameter

public Parameter(String name,
                 String val)

Create a String-valued param.

Parameters:

name - name of new Parameter.

val - value of Parameter

Parameter

public Parameter(String name,
                 double value)

Create a scalar double-valued param.

Parameters:

name - name of new Parameter.

value - value of Parameter

Parameter

public Parameter(String name,
                 double[] value)

Create an array double-valued param.

Parameters:

name - name of new Parameter.

value - value of Parameter

Method Detail

getName

public String getName()

Get the name of this Parameter.

Returns:

name

isString

public boolean isString()

True if value is a String.

Returns:

if its String valued

getStringValue

@Nullable
public String getStringValue()

Retrieve String value.

Returns:

String value if this is a String valued attribute, else null.

getNumericValue

public double getNumericValue()

Retrieve numeric value, use if isString() is false. Equivalent to getNumericValue(0)

Returns:

the first element of the value array, or Exception if its a String.

getNumericValue

public double getNumericValue(int i)

Get the ith numeric value.

Parameters:

i - index

Returns:

ith numeric value, or Exception if its a String.

getLength

public int getLength()

Get the number of double values.

Returns:

the number of values, 0 is its a string.

getNumericValues

@Nullable
public double[] getNumericValues()

Get array of numeric values as doubles. Do not modify unless you own this object!

Returns:

array of numeric values. LOOK: will return copy of array in ver 6.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object