org.basex.core.cmd

Class Copy

java.lang.Object

org.basex.core.Progress

org.basex.core.Command

org.basex.core.cmd.Copy

public final class Copy
extends Command

Evaluates the 'copy' command and creates a copy of a database.

Author:

BaseX Team 2005-12, BSD License, Andreas Weiler

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
Copy(java.lang.String db, java.lang.String newdb) Default constructor.

Method Summary

Methods

Modifier and Type	Method and Description
static void	copy(java.io.File src, java.io.File trg) Copies the specified file.
java.lang.String	pinned(Context ctx) Checks if the database to be updated is opened (pinned) by a process in another JVM.
protected double	prog() Returns a progress value (0 - 1).
protected boolean	run() Executes the command and serializes the result (internal call).
boolean	supportsProg() Returns true if this command returns a progress value.
protected java.lang.String	tit() Returns short information on this process.

Methods inherited from class org.basex.core.Command

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

Methods inherited from class org.basex.core.Progress

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

Methods inherited from class java.lang.Object

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

Constructor Detail

Copy

public Copy(java.lang.String db,
    java.lang.String newdb)

Default constructor.

Parameters:

db - db name

newdb - new db name

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

copy

public static void copy(java.io.File src,
        java.io.File trg)
                 throws java.io.IOException

Copies the specified file.

Parameters:

src - source file

trg - target file

Throws:

java.io.IOException - I/O exception

tit

protected java.lang.String tit()

Description copied from class: Progress

Returns short information on this process. Can be overwritten to give more detailed information.

Overrides:

tit in class Progress

Returns:

header information

supportsProg

public boolean supportsProg()

Description copied from class: Command

Returns true if this command returns a progress value. This method is required by the progress dialog in the frontend.

Overrides:

supportsProg in class Command

Returns:

result of check

prog

protected double prog()

Description copied from class: Progress

Returns a progress value (0 - 1). Can be overwritten to give more detailed information.

Overrides:

prog in class Progress

Returns:

header information