org.basex.query.value.seq.tree

Class TreeSeqBuilder

java.lang.Object

org.basex.query.value.seq.tree.TreeSeqBuilder

All Implemented Interfaces:

Iterable<Item>

public final class TreeSeqBuilder
extends Object
implements Iterable<Item>

A builder for creating a Sequence (with at least 2 items) by prepending and appending Items.

Author:

BaseX Team 2005-21, BSD License, Leo Woerteler

Constructor Summary

Constructors

Constructor and Description
TreeSeqBuilder()

Method Summary

Modifier and Type	Method and Description
TreeSeqBuilder	add(Item item) Adds an item to the end of the array.
TreeSeqBuilder	add(Value value, QueryContext qc) Appends the items of the given value to this builder.
TreeSeqBuilder	addFront(Item item) Adds an item to the start of the array.
static Seq	concat(Item item1, Item item2) Concatenates two items.
Iterator<Item>	iterator()
Seq	seq(Type type) Creates a sequence containing the current elements of this builder.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

TreeSeqBuilder

public TreeSeqBuilder()

Method Detail

concat

public static Seq concat(Item item1,
                         Item item2)

Concatenates two items.

Parameters:

item1 - first item

item2 - second item

Returns:

the value

addFront

public TreeSeqBuilder addFront(Item item)

Adds an item to the start of the array.

Parameters:

item - item to add

Returns:

reference to this builder for convenience

add

public TreeSeqBuilder add(Item item)

Adds an item to the end of the array.

Parameters:

item - item to add

Returns:

reference to this builder for convenience

add

public TreeSeqBuilder add(Value value,
                          QueryContext qc)

Appends the items of the given value to this builder.

Parameters:

value - value to append

qc - query context

Returns:

this builder for convenience

seq

public Seq seq(Type type)

Creates a sequence containing the current elements of this builder.

Parameters:

type - type of all items in this sequence, can be null

Returns:

resulting sequence

toString

public String toString()

Overrides:

toString in class Object

iterator

public Iterator<Item> iterator()

Specified by:

iterator in interface Iterable<Item>