org.exist.xquery
Interface CompiledXQuery

All Known Implementing Classes:

PathExpr

public interface CompiledXQuery

Author:

wolf

Method Summary

void	dump(java.io.Writer writer) Writes a diagnostic dump of the expression structure to the specified writer.
Sequence	eval(Sequence contextSequence) Execute the compiled query, optionally using the specified sequence as context.
XQueryContext	getContext()
XACMLSource	getSource() Gets the source of this query.
boolean	isValid() Is the compiled expression still valid? Returns false if, for example, the source code of one of the imported modules has changed.
void	reset() Reset the compiled expression tree.
void	setContext(XQueryContext context)
void	setSource(XACMLSource source) Sets the source of this query.

Method Detail

reset

public void reset()

Reset the compiled expression tree. Discard all temporary expression results.

getContext

public XQueryContext getContext()

Returns:

the XQueryContext used to create this query

setContext

public void setContext(XQueryContext context)

eval

public Sequence eval(Sequence contextSequence)
              throws XPathException

Execute the compiled query, optionally using the specified sequence as context.

Parameters:

contextSequence -

Returns:

Throws:

XPathException

isValid

public boolean isValid()

Is the compiled expression still valid? Returns false if, for example, the source code of one of the imported modules has changed.

Returns:

dump

public void dump(java.io.Writer writer)

Writes a diagnostic dump of the expression structure to the specified writer.

getSource

public XACMLSource getSource()

Gets the source of this query.

Returns:

This query's source

setSource

public void setSource(XACMLSource source)

Sets the source of this query.

Parameters:

source - This query's source