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java.lang.Objectvisad.data.netcdf.QuantityDB
visad.data.netcdf.QuantityDBImpl
visad.data.netcdf.StandardQuantityDB
public final class StandardQuantityDB
The following class implements a database of standard quantities. It is implemented as a singleton. Instances of the class are modifiable.
Nested Class Summary |
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Nested classes/interfaces inherited from class visad.data.netcdf.QuantityDBImpl |
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QuantityDBImpl.Iterator, QuantityDBImpl.NameIterator, QuantityDBImpl.NameKey, QuantityDBImpl.QuantityIterator, QuantityDBImpl.UnitKey |
Method Summary | |
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QuantityDB |
add(java.lang.String[] definitions,
java.lang.String[] aliases)
Adds the given quantities and aliases to the database. |
void |
add(java.lang.String name,
java.lang.String unitSpec)
Adds a quantity to the database given a name and a display unit specification. |
static StandardQuantityDB |
instance()
Returns an instance of this class. |
static void |
main(java.lang.String[] args)
Tests this class. |
Methods inherited from class visad.data.netcdf.QuantityDBImpl |
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add, add, get, get, nameIterator, quantityIterator |
Methods inherited from class visad.data.netcdf.QuantityDB |
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add, get |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public static StandardQuantityDB instance() throws VisADException
VisADException
- Couldn't instantiate.public QuantityDB add(java.lang.String[] definitions, java.lang.String[] aliases) throws ParseException, TypeException, VisADException
add
in class QuantityDBImpl
definitions
- New quantities and their definitions.
definitions[2*i]
contains the
name (e.g. "speed") of the quantity whose
preferred unit specification (e.g. "m/s") is
in definitions[2*i+1]
.aliases
- Aliases for quantities. aliases[2*i]
contains the alias for the quantity
named in aliases[2*i+1]
.
ParseException
- A unit specification couldn't be parsed.
TypeException
- An incompatible version of the quantity already
exists.
VisADException
- Couldn't create necessary VisAD object.public void add(java.lang.String name, java.lang.String unitSpec)
add
in class QuantityDBImpl
name
- The name of the quantity (e.g. "length").unitSpec
- The preferred display unit for the
quantity (e.g. "feet").
UnsupportedOperationException
- Always thrown because a standard database
must be unmodifiable.public static void main(java.lang.String[] args) throws java.lang.Exception
java.lang.Exception
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