public interface ValueList extends OsidList
Like all OsidLists,
ValueList
provides a
means for accessing Value
elements sequentially either one
at a time or many at a time. Examples:
while (vl.hasNext()) { Value value = vl.getNextValue(); }or
while (vl.hasNext()) { Value[] values = vl.getNextValues(vl.available()); }
Modifier and Type | Method and Description |
---|---|
Value |
getNextValue()
Gets the next
Value in this list. |
Value[] |
getNextValues(long n)
Gets the next set of
Values in this list which must be
less than or equal to the return from available(). |
Value getNextValue() throws OperationFailedException
Value
in this list. Value
in this list. The
hasNext()
method should be used to test that a next
Value
is available before calling this method.IllegalStateException
- no more elements available in
this listOperationFailedException
- unable to complete requestmandatory
- This method must be implemented. Value[] getNextValues(long n) throws OperationFailedException
Values
in this list which must be
less than or equal to the return from available().
n
- the number of Value
elements requested which
must be less than or equal to available()
Value
elements.
The
length of the array is less than or equal to the number
specified.IllegalStateException
- no more elements available in
this listOperationFailedException
- unable to complete requestmandatory
- This method must be implemented.