org.basex.core.cmd

Class CreateDB

java.lang.Object

org.basex.core.Progress

org.basex.core.Command

org.basex.core.cmd.ACreate

org.basex.core.cmd.CreateDB

public final class CreateDB
extends ACreate

Evaluates the 'create db' command and creates a new database.

Author:

BaseX Team 2005-12, BSD License, Christian Gruen

Field Summary

Fields inherited from class org.basex.core.Command

args, context, DATAREF, in, mprop, out, perf, prop, STANDARD

Fields inherited from class org.basex.core.Progress

updating

Constructor Summary

Constructors

Constructor and Description
CreateDB(java.lang.String name) Default constructor.
CreateDB(java.lang.String name, java.lang.String input) Constructor, specifying an initial database input.

Method Summary

Methods

Modifier and Type	Method and Description
void	build(CommandBuilder cb) Builds a string representation from the command.
static Data	create(java.lang.String name, Parser parser, Context ctx) Returns a database instance from the specified parser.
static MemData	mainMem(IO source, Context ctx) Returns a main memory database instance for the specified input reference.
static MemData	mainMem(Parser parser, Context ctx) Returns a main memory database instance from the specified parser.
java.lang.String	pinned(Context ctx) Checks if the database to be updated is opened (pinned) by a process in another JVM.
protected boolean	run() Executes the command and serializes the result (internal call).

Methods inherited from class org.basex.core.cmd.ACreate

build, cache, create, drop, newData, pinned, startUpdate, stoppable, stopUpdate, supportsProg

Methods inherited from class org.basex.core.Command

close, error, execute, execute, getOption, getOption, info, info, result, run, setInput, setInput, toString, updated, updating

Methods inherited from class org.basex.core.Progress

abort, checkStop, det, detail, prog, progress, progress, startTimeout, stop, stopTimeout, tit, title

Methods inherited from class java.lang.Object

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

Constructor Detail

CreateDB

public CreateDB(java.lang.String name)

Default constructor.

Parameters:

name - name of database

CreateDB

public CreateDB(java.lang.String name,
        java.lang.String input)

Constructor, specifying an initial database input.

Parameters:

name - name of database

input - input reference (local/remote file or XML string)

Method Detail

run

protected boolean run()

Description copied from class: Command

Executes the command and serializes the result (internal call).

Specified by:

run in class Command

Returns:

success of operation

pinned

public java.lang.String pinned(Context ctx)

Description copied from class: Command

Checks if the database to be updated is opened (pinned) by a process in another JVM.

Overrides:

pinned in class Command

Parameters:

ctx - database context

Returns:

name of pinned database

create

public static Data create(java.lang.String name,
          Parser parser,
          Context ctx)
                   throws java.io.IOException

Returns a database instance from the specified parser.

Parameters:

name - name of the database

parser - input parser

ctx - database context

Returns:

new database instance

Throws:

java.io.IOException - I/O exception

mainMem

public static MemData mainMem(Parser parser,
              Context ctx)
                       throws java.io.IOException

Returns a main memory database instance from the specified parser.

Parameters:

parser - input parser

ctx - database context

Returns:

new database instance

Throws:

java.io.IOException - I/O exception

mainMem

public static MemData mainMem(IO source,
              Context ctx)
                       throws java.io.IOException

Returns a main memory database instance for the specified input reference.

Parameters:

source - document source

ctx - database context

Returns:

new database instance

Throws:

java.io.IOException - I/O exception

build

public void build(CommandBuilder cb)

Description copied from class: Command

Builds a string representation from the command. This string must be correctly built, as commands are sent to the server as strings.

Overrides:

build in class Command

Parameters:

cb - command builder