|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectorg.basex.query.ExprInfo
org.basex.query.xpath.expr.Expr
org.basex.query.xpath.expr.FTArrayExpr
org.basex.query.xpath.expr.FTSelect
public final class FTSelect
Fulltext position filter expression and FTTimes.
Field Summary | |
---|---|
FTPosFilter |
ftpos
FTPositionFilter. |
Fields inherited from class org.basex.query.xpath.expr.FTArrayExpr |
---|
fto |
Constructor Summary | |
---|---|
FTSelect(FTArrayExpr e,
FTPosFilter ftps)
Constructor. |
Method Summary | |
---|---|
boolean |
checkSumUp(FTPosFilter ftpos1)
Checks if FTContains Expr could be summed up. |
FTArrayExpr |
comp(XPContext ctx)
Optimizes the expression. |
Item |
eval(XPContext ctx)
Evaluates the expression with the specified context set. |
FTArrayExpr |
getExpr()
Getter for expr. |
FTArrayExpr |
indexEquivalent(XPContext ctx,
Step curr,
boolean seq)
Returns an equivalent expression which accesses an index structure. |
boolean |
indexOptions(MetaData meta)
Verifies if the fulltext query options comply with the index defaults. |
int |
indexSizes(XPContext ctx,
Step curr,
int min)
Returns the number of results if this query is evaluated by an index. |
boolean |
more()
Checks for more results. |
FTNode |
next(XPContext ctx)
Returns the next ftquery result. |
boolean |
pos()
Checks whether the result of the expression is negative. |
void |
setExpr(FTArrayExpr e)
Setter expr. |
Methods inherited from class org.basex.query.xpath.expr.FTArrayExpr |
---|
plan, toString, usesPos, usesSize |
Methods inherited from class org.basex.query.xpath.expr.Expr |
---|
returnedValue, sameAs |
Methods inherited from class org.basex.query.ExprInfo |
---|
color, info, name |
Methods inherited from class java.lang.Object |
---|
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
---|
public FTPosFilter ftpos
Constructor Detail |
---|
public FTSelect(FTArrayExpr e, FTPosFilter ftps)
e
- expressionsftps
- FTPositionFilterMethod Detail |
---|
public FTArrayExpr comp(XPContext ctx) throws QueryException
FTArrayExpr
comp
in class FTArrayExpr
ctx
- expression context
QueryException
- evaluation exceptionpublic boolean pos()
FTArrayExpr
pos
in class FTArrayExpr
public FTNode next(XPContext ctx)
FTArrayExpr
next
in class FTArrayExpr
ctx
- current context
public FTArrayExpr getExpr()
public void setExpr(FTArrayExpr e)
e
- FTArrayExprpublic boolean more()
FTArrayExpr
more
in class FTArrayExpr
public Item eval(XPContext ctx) throws QueryException
Expr
eval
in class Expr
ctx
- query context
QueryException
- evaluation exceptionpublic boolean indexOptions(MetaData meta)
FTArrayExpr
indexOptions
in class FTArrayExpr
meta
- meta data
public FTArrayExpr indexEquivalent(XPContext ctx, Step curr, boolean seq) throws QueryException
Expr
indexEquivalent
in class FTArrayExpr
ctx
- rootcurr
- location stepseq
- flag for sequential evaluation
QueryException
- evaluation exceptionpublic boolean checkSumUp(FTPosFilter ftpos1)
ftpos1
- FTPositionFilter second expr
public int indexSizes(XPContext ctx, Step curr, int min)
Expr
Integer.MAX_VALUE
is returned, no index access is possible.
indexSizes
in class Expr
ctx
- rootcurr
- the current location stepmin
- current minimum index hits
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |