Package org.basex.core.cmd

Class ACreate

java.lang.Object

org.basex.core.jobs.Job

org.basex.core.Command

org.basex.core.cmd.ACreate

Direct Known Subclasses:

Add, AlterDB, CreateDB, CreateIndex, Delete, DropDB, DropIndex, Optimize, OptimizeAll, Rename, Replace, Retrieve, Store

public abstract class ACreate
extends Command

Abstract class for database updates.

Author:

BaseX Team 2005-21, BSD License, Christian Gruen

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	lock	Indicates if database should be locked.

Fields inherited from class org.basex.core.Command

args, context, exception, in, maxResults, openDB, options, out, soptions, uri

Fields inherited from class org.basex.core.jobs.Job

state, updating

Method Summary

Modifier and Type	Method	Description
void	addLocks()	Adds the strings (databases, special identifiers) for which locks need to be acquired.
boolean	newData(Context ctx)	Closes an open data reference and returns true if this command will change the Context.data() reference.
boolean	stoppable()	Returns true if this command can be stopped.
final boolean	supportsProg()	Returns true if this command returns a progress value.

Methods inherited from class org.basex.core.Command

addLocks, baseURI, baseURI, build, close, error, exception, execute, execute, getOption, getOption, info, info, init, maxResults, result, run, run, run, setInput, setInput, toString, toString, updated, updating

Methods inherited from class org.basex.core.jobs.Job

active, checkStop, detailedInfo, jc, memory, popJob, progressInfo, pushJob, register, shortInfo, state, stop, stopped, timeout, unregister

Methods inherited from class java.lang.Object

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

Field Details

lock

protected boolean lock

Indicates if database should be locked.

Method Details

newData

public boolean newData(Context ctx)

Description copied from class: Command

Closes an open data reference and returns true if this command will change the Context.data() reference. This method is only required by the GUI.

Overrides:

newData in class Command

Parameters:

ctx - database context

Returns:

result of check

addLocks

public void addLocks()

Description copied from class: Job

Adds the strings (databases, special identifiers) for which locks need to be acquired.

Overrides:

addLocks in class Job

supportsProg

public final boolean supportsProg()

Description copied from class: Command

Returns true if this command returns a progress value. This method is only required by the GUI.

Overrides:

supportsProg in class Command

Returns:

result of check

stoppable

public boolean stoppable()

Description copied from class: Command

Returns true if this command can be stopped. This method is only required by the GUI.

Overrides:

stoppable in class Command

Returns:

result of check