ucar.unidata.util
Class Parameter

java.lang.Object
  ucar.unidata.util.Parameter

All Implemented Interfaces:

java.io.Serializable

public class Parameter
extends java.lang.Object
implements java.io.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.

Author:

caron

See Also:

Serialized Form

Constructor Summary

Parameter(java.lang.String name, double value)
Create a scalar double-valued param.

Parameter(java.lang.String name, double[] value)
Create a array double-valued param.

Parameter(java.lang.String name, Parameter from)
Copy constructir, with new name.

Parameter(java.lang.String name, java.lang.String val)
Create a String-valued param.

Method Summary

boolean	equals(java.lang.Object oo) Instances which have same content are equal.
int	getLength() Get the number of values.
java.lang.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.
java.lang.String	getStringValue() Retrieve String value; only call if isString() is true.
int	hashCode() Override Object.hashCode() to implement equals.
boolean	isString() True if value is a String.
java.lang.String	toString() String representation

Methods inherited from class java.lang.Object

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

Constructor Detail

Parameter

public Parameter(java.lang.String name,
                 Parameter from)

Copy constructir, with new name.

Parameters:

name - name of new Parameter.

from - copy values from here.

Parameter

public Parameter(java.lang.String name,
                 java.lang.String val)

Create a String-valued param.

Parameters:

name - name of new Parameter.

val - value of Parameter

Parameter

public Parameter(java.lang.String name,
                 double value)

Create a scalar double-valued param.

Parameters:

name - name of new Parameter.

value - value of Parameter

Parameter

public Parameter(java.lang.String name,
                 double[] value)

Create a array double-valued param.

Parameters:

name - name of new Parameter.

value - value of Parameter

Method Detail

getName

public java.lang.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

public java.lang.String getStringValue()

Retrieve String value; only call if isString() is true.

Returns:

String 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 null if its a String.

getNumericValue

public double getNumericValue(int i)

Get the ith numeric value.

Parameters:

i - index

Returns:

ith numeric value

getLength

public int getLength()

Get the number of values.

Returns:

the number of values.

getNumericValues

public double[] getNumericValues()

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

Returns:

array of numeric values.

equals

public boolean equals(java.lang.Object oo)

Instances which have same content are equal.

Overrides:

equals in class java.lang.Object

Parameters:

oo - compare to this Parameter.

Returns:

true if equal.

hashCode

public int hashCode()

Override Object.hashCode() to implement equals.

Overrides:

hashCode in class java.lang.Object

Returns:

haschcode

toString

public java.lang.String toString()

String representation

Overrides:

toString in class java.lang.Object

Returns:

nice String