org.basex.build

Class MemBuilder

java.lang.Object

org.basex.core.Progress

org.basex.build.Builder

org.basex.build.MemBuilder

public final class MemBuilder
extends Builder

This class creates a database instance in main memory. The storage layout is described in the Data class.

Author:

BaseX Team 2005-12, BSD License, Christian Gruen

Field Summary

Fields inherited from class org.basex.core.Progress

updating

Constructor Summary

Constructors

Constructor and Description
MemBuilder(java.lang.String nm, Parser parse) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	addAttr(int nm, byte[] value, int dist, int uri) Adds an attribute to the database.
protected void	addDoc(byte[] value) Adds a document node to the database.
protected void	addElem(int dist, int nm, int asize, int uri, boolean ne) Adds an element node to the database.
protected void	addText(byte[] value, int dist, byte kind) Adds a text node to the database.
MemData	build() Builds the database by running the specified parser.
static MemData	build(Parser parser) Builds the main memory database instance without database name.
static MemData	build(java.lang.String name, Parser parser) Builds a main memory database instance.
void	close() Closes open references.
protected void	setSize(int pre, int size) Stores a size value to the specified table position.

Methods inherited from class org.basex.build.Builder

comment, det, emptyElem, encoding, endDoc, endElem, pi, prog, startDoc, startElem, startNS, text, tit

Methods inherited from class org.basex.core.Progress

abort, checkStop, detail, progress, progress, startTimeout, stop, stopTimeout, title

Methods inherited from class java.lang.Object

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

Constructor Detail

MemBuilder

public MemBuilder(java.lang.String nm,
          Parser parse)

Constructor.

Parameters:

nm - name of database

parse - parser

Method Detail

build

public static MemData build(Parser parser)
                     throws java.io.IOException

Builds the main memory database instance without database name.

Parameters:

parser - parser

Returns:

data database instance

Throws:

java.io.IOException - I/O exception

build

public static MemData build(java.lang.String name,
            Parser parser)
                     throws java.io.IOException

Builds a main memory database instance.

Parameters:

name - name of database

parser - parser

Returns:

data database instance

Throws:

java.io.IOException - I/O exception

build

public MemData build()
              throws java.io.IOException

Description copied from class: Builder

Builds the database by running the specified parser.

Specified by:

build in class Builder

Returns:

data database instance

Throws:

java.io.IOException - I/O exception

close

public void close()
           throws java.io.IOException

Description copied from class: Builder

Closes open references.

Specified by:

close in class Builder

Throws:

java.io.IOException - I/O exception

addDoc

protected void addDoc(byte[] value)

Description copied from class: Builder

Adds a document node to the database.

Specified by:

addDoc in class Builder

Parameters:

value - name of the document

addElem

protected void addElem(int dist,
           int nm,
           int asize,
           int uri,
           boolean ne)

Description copied from class: Builder

Adds an element node to the database. This method stores a preliminary size value; if this node has further descendants, Builder.setSize(int, int) must be called to set the final size value.

Specified by:

addElem in class Builder

Parameters:

dist - distance to parent

nm - the tag name reference

asize - number of attributes

uri - namespace uri reference

ne - namespace flag

addAttr

protected void addAttr(int nm,
           byte[] value,
           int dist,
           int uri)

Description copied from class: Builder

Adds an attribute to the database.

Specified by:

addAttr in class Builder

Parameters:

nm - attribute name

value - attribute value

dist - distance to parent

uri - namespace uri reference

addText

protected void addText(byte[] value,
           int dist,
           byte kind)

Description copied from class: Builder

Adds a text node to the database.

Specified by:

addText in class Builder

Parameters:

value - the token to be added (tag name or content)

dist - distance to parent

kind - the node kind

setSize

protected void setSize(int pre,
           int size)

Description copied from class: Builder

Stores a size value to the specified table position.

Specified by:

setSize in class Builder

Parameters:

pre - pre reference

size - value to be stored