org.maverickdbms.basic
Interface List

All Superinterfaces:

Variable

public interface List

extends Variable

Class to represent a select list

Method Summary

void	close()
boolean	isAfterLast() Returns true if there are no more entries in the select list
long	length() Returns the number of items in the list Only required if list was created with a key that has immediate evaluation set.
ConstantString	READLIST(mvString result) Assigns the values in the select list to the variable
ConstantString	READNEXT(mvString id, mvString val, mvString subval) Reads the next value in the select list

Method Detail

close

public void close()
           throws mvException

Throws:

mvException

length

public long length()
            throws mvException

Returns the number of items in the list Only required if list was created with a key that has immediate evaluation set.

Returns:

the length of the list or -1 if unknown

Throws:

mvException

isAfterLast

public boolean isAfterLast()

Returns true if there are no more entries in the select list

READLIST

public ConstantString READLIST(mvString result)
                        throws mvException

Assigns the values in the select list to the variable

Throws:

mvException

READNEXT

public ConstantString READNEXT(mvString id,
                               mvString val,
                               mvString subval)
                        throws mvException

Reads the next value in the select list

Throws:

mvException