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java.lang.Objectorg.basex.query.ExprInfo
org.basex.query.xpath.expr.Expr
org.basex.query.xpath.expr.Arr
org.basex.query.xpath.expr.FTContains
public final class FTContains
FTContains Expression; used for fulltext operations. Used for sequential processing.
Field Summary |
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Fields inherited from class org.basex.query.xpath.expr.Arr |
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expr |
Constructor Summary | |
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FTContains(Expr e1,
Expr e2,
FTOpt o,
boolean indexuse)
Constructor. |
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FTContains(Expr e1,
FTArrayExpr e2)
Constructor. |
Method Summary | |
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Expr |
comp(XPContext ctx)
Optimizes the expression. |
Item |
eval(XPContext ctx)
Evaluates the expression with the specified context set. |
Expr |
indexEquivalent(XPContext ctx,
Step curr,
boolean seq)
Returns an equivalent expression which accesses an index structure. |
int |
indexSizes(XPContext ctx,
Step curr,
int min)
Returns the number of results if this query is evaluated by an index. |
void |
plan(Serializer ser)
Recursively sends the abstract syntax of this expression to the specified serializer. |
java.lang.String |
toString()
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Methods inherited from class org.basex.query.xpath.expr.Arr |
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sameAs, usesPos, usesSize |
Methods inherited from class org.basex.query.xpath.expr.Expr |
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returnedValue |
Methods inherited from class org.basex.query.ExprInfo |
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color, info, name |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public FTContains(Expr e1, FTArrayExpr e2)
e1
- first expressione2
- second expression to compare with firstpublic FTContains(Expr e1, Expr e2, FTOpt o, boolean indexuse)
e1
- first expressione2
- second expression to compare with firsto
- fulltext optionsindexuse
- flag for index useMethod Detail |
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public Expr comp(XPContext ctx) throws QueryException
Expr
comp
in class Arr
ctx
- expression context
QueryException
- evaluation exceptionpublic Item eval(XPContext ctx) throws QueryException
Expr
eval
in class Expr
ctx
- query context
QueryException
- evaluation exceptionpublic Expr indexEquivalent(XPContext ctx, Step curr, boolean seq) throws QueryException
Expr
indexEquivalent
in class Expr
ctx
- rootcurr
- location stepseq
- flag for sequential evaluation
QueryException
- evaluation exceptionpublic 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
public java.lang.String toString()
toString
in class ExprInfo
public void plan(Serializer ser) throws java.io.IOException
ExprInfo
plan
in class Arr
ser
- serializer
java.io.IOException
- exception
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