org.basex.query.xquery
Class XQResult

java.lang.Object
  org.basex.query.xquery.XQResult

All Implemented Interfaces:

Result

public final class XQResult
extends java.lang.Object
implements Result

This is a container for XQuery results.

Author:

Workgroup DBIS, University of Konstanz 2005-07, ISC License, Christian Gruen

Field Summary

XQContext	ctx Query context.
Item	item Result sequence.

Constructor Summary

XQResult(XQContext c, Item s)
Constructor.

Method Summary

Nodes	nodes(Data data) Converts nodes of a XQuery result into a BaseX nodeset.
boolean	sameAs(Result v) Compares values for equality.
void	serialize(PrintOutput out, boolean valid) Serializes the stored data to the specified output stream.
void	serialize(ResultReader rr) Serializes the stored data to the specified reader.
int	size() Number of values, stored in the result instance.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

ctx

public final XQContext ctx

Query context.

item

public final Item item

Result sequence.

Constructor Detail

XQResult

public XQResult(XQContext c,
                Item s)

Constructor.

Parameters:

c - query context

s - result sequence

Method Detail

nodes

public Nodes nodes(Data data)

Converts nodes of a XQuery result into a BaseX nodeset. If that's not possible,

null

is returned. This method is only called by the GUI to allow visualization of XQuery results.

Parameters:

data - data reference

Returns:

BaseX node set

sameAs

public boolean sameAs(Result v)

Compares values for equality.

Specified by:

sameAs in interface Result

Parameters:

v - value to be compared

Returns:

true if values are equal

serialize

public void serialize(PrintOutput out,
                      boolean valid)
               throws java.io.IOException

Serializes the stored data to the specified output stream.

Specified by:

serialize in interface Result

Parameters:

out - output stream

valid - well-formed output

Throws:

java.io.IOException - in case of problems with the PrintOutput

serialize

public void serialize(ResultReader rr)
               throws org.xml.sax.SAXException

Serializes the stored data to the specified reader.

Specified by:

serialize in interface Result

Parameters:

rr - default handler

Throws:

org.xml.sax.SAXException - in case of problems with the PrintOutput

size

public int size()

Number of values, stored in the result instance.

Specified by:

size in interface Result

Returns:

number of values

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object