org.basex.query.func

Class PartFunc

java.lang.Object

org.basex.data.ExprInfo

org.basex.query.expr.Expr

org.basex.query.expr.ParseExpr

org.basex.query.expr.Single

org.basex.query.func.UserFunc

org.basex.query.func.PartFunc

public final class PartFunc
extends UserFunc

Partial function application.

Author:

BaseX Team 2005-12, BSD License, Leo Woerteler

Nested Class Summary

Nested classes/interfaces inherited from class org.basex.query.expr.Expr

Expr.Use

Field Summary

Fields inherited from class org.basex.query.func.UserFunc

ann, args, declared, name, ret, updating

Fields inherited from class org.basex.query.expr.Single

expr

Fields inherited from class org.basex.query.expr.ParseExpr

input, size, type

Constructor Summary

Constructors

Constructor and Description
PartFunc(InputInfo ii, Expr func, Var[] arg) Function constructor for dynamic calls.
PartFunc(InputInfo ii, TypedFunc fun, Var[] arg) Function constructor for static calls.

Method Summary

Methods

Modifier and Type	Method and Description
Expr	comp(QueryContext ctx) Compiles and optimizes the expression, assigns data types and cardinalities.
void	plan(Serializer ser) Serializes the expression tree.
java.lang.String	toString()

Methods inherited from class org.basex.query.func.UserFunc

item, iter, value

Methods inherited from class org.basex.query.expr.Single

count, removable, remove, uses

Methods inherited from class org.basex.query.expr.ParseExpr

checkBln, checkColl, checkCreate, checkCtx, checkDbl, checkDBNode, checkEStr, checkEStr, checkIO, checkItem, checkItr, checkItr, checkMap, checkNode, checkNoEmpty, checkStr, checkType, checkUp, checkUp, checkWrite, compBln, ebv, optPre, preEval, size, test, type

Methods inherited from class org.basex.query.expr.Expr

addText, compEbv, hasFreeVars, indexAccessible, indexEquivalent, isEmpty, isFunction, isItem, isVacuous, isValue, iterable, markTailCalls, sameAs

Methods inherited from class org.basex.data.ExprInfo

description, info

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

PartFunc

public PartFunc(InputInfo ii,
        TypedFunc fun,
        Var[] arg)

Function constructor for static calls.

Parameters:

ii - input info

fun - typed function expression

arg - arguments

PartFunc

public PartFunc(InputInfo ii,
        Expr func,
        Var[] arg)

Function constructor for dynamic calls.

Parameters:

ii - input info

func - function expression

arg - arguments

Method Detail

plan

public void plan(Serializer ser)
          throws java.io.IOException

Description copied from class: ExprInfo

Serializes the expression tree.

Overrides:

plan in class UserFunc

Parameters:

ser - serializer

Throws:

java.io.IOException - I/O exception

comp

public Expr comp(QueryContext ctx)
          throws QueryException

Description copied from class: Expr

Compiles and optimizes the expression, assigns data types and cardinalities.

Overrides:

comp in class UserFunc

Parameters:

ctx - query context

Returns:

optimized expression

Throws:

QueryException - query exception

toString

public java.lang.String toString()

Overrides:

toString in class UserFunc