org.exist.xquery
Class Optimize

java.lang.Object
  org.exist.xquery.Pragma
      org.exist.xquery.Optimize

public class Optimize
extends Pragma

Field Summary

static QName

OPTIMIZE_PRAGMA

Constructor Summary

Optimize(XQueryContext context, QName pragmaName, String contents)

Method Summary

void	after(XQueryContext context, Expression expression)
void	before(XQueryContext context, Expression expression)
Sequence	eval(Sequence contextSequence, Item contextItem)
static int	getQNameIndexType(XQueryContext context, Sequence contextSequence, QName qname) Check every collection in the context sequence for an existing range index by QName.

Methods inherited from class org.exist.xquery.Pragma

toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

OPTIMIZE_PRAGMA

public static final QName OPTIMIZE_PRAGMA

Constructor Detail

Optimize

public Optimize(XQueryContext context,
                QName pragmaName,
                String contents)
         throws XPathException

Throws:

XPathException

Method Detail

eval

public Sequence eval(Sequence contextSequence,
                     Item contextItem)
              throws XPathException

Overrides:

eval in class Pragma

Throws:

XPathException

before

public void before(XQueryContext context,
                   Expression expression)
            throws XPathException

Specified by:

before in class Pragma

Throws:

XPathException

after

public void after(XQueryContext context,
                  Expression expression)
           throws XPathException

Specified by:

after in class Pragma

Throws:

XPathException

getQNameIndexType

public static int getQNameIndexType(XQueryContext context,
                                    Sequence contextSequence,
                                    QName qname)

Check every collection in the context sequence for an existing range index by QName.

Parameters:

contextSequence -

Returns:

the type of a usable index or Type.ITEM if there is no common index.