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This interface represents the identifiers of semistructured data. A semiestructured datum is formed by an identifier and a value. The identifiers used by a particular data manager must implement this interface.
Method Summary | |
boolean |
equals(ID id)
Indicates wheter some identifier is 'equal to' this one. |
boolean |
isNID()
Indicates if a identifier is valid or not. |
java.lang.String |
toString()
Returns a string representation of the identifier; |
Method Detail |
public boolean isNID()
null
value
to represent an inexisting datum.
true
if the identifier is valid, false
if is invalid.public boolean equals(ID id)
id
- The identifier with which to compare.
true
if id
represents the same identifier that this one,
false
otherwise.public java.lang.String toString()
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