org.basex.query.xquery.util
Class SeqBuilder

java.lang.Object
  org.basex.query.xquery.util.SeqBuilder

public final class SeqBuilder
extends java.lang.Object

Simple Sequence Builder. In contrary to the SeqBuilder, sequences are not flattened.

Author:

Workgroup DBIS, University of Konstanz 2005-08, ISC License, Christian Gruen

Field Summary

Item[]	item Item array.
int	size Number of entries.

Constructor Summary

SeqBuilder()
Constructor.

SeqBuilder(Iter it)
Constructor.

Method Summary

void	add(Item i) Adds an atomic item.
void	add(Iter it) Adds the items of an iterator.
Item	finish() Returns an atomic item or a sequence.
Iter	iter() Returns an iterator.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

item

public Item[] item

Item array.

size

public int size

Number of entries.

Constructor Detail

SeqBuilder

public SeqBuilder()

Constructor.

SeqBuilder

public SeqBuilder(Iter it)
           throws XQException

Constructor.

Parameters:

it - initial iteration

Throws:

XQException - evaluation exception

Method Detail

add

public void add(Iter it)
         throws XQException

Adds the items of an iterator.

Parameters:

it - entry to be added

Throws:

XQException - evaluation exception

add

public void add(Item i)

Adds an atomic item. Note that the item must be no sequence.

Parameters:

i - entry to be added

finish

public Item finish()

Returns an atomic item or a sequence.

Returns:

sequence

iter

public Iter iter()

Returns an iterator.

Returns:

sequence

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object