Class PermissionsDescriptor

java.lang.Object

org.apache.derby.iapi.sql.dictionary.TupleDescriptor

org.apache.derby.iapi.sql.dictionary.PermissionsDescriptor

All Implemented Interfaces:

Cloneable, Dependable, Provider

Direct Known Subclasses:

ColPermsDescriptor, PermDescriptor, RoutinePermsDescriptor, TablePermsDescriptor

public abstract class PermissionsDescriptor
extends TupleDescriptor
implements Cloneable, Provider

This class is used by rows in the SYS.SYSTABLEPERMS, SYS.SYSCOLPERMS, and SYS.SYSROUTINEPERMS system tables.

Field Summary

Fields

Modifier and Type	Field	Description
private String	grantee
private final String	grantor
protected UUID	oid

Fields inherited from interface Dependable

ACTIVATION, ALIAS, COLUMNS_IN_TABLE, COLUMNS_PERMISSION, CONGLOMERATE, CONSTRAINT, DEFAULT, FILE, HEAP, INDEX, PERM, PREPARED_STATEMENT, ROLE_GRANT, ROUTINE_PERMISSION, SCHEMA, SEQUENCE, STORED_PREPARED_STATEMENT, TABLE, TABLE_PERMISSION, TRIGGER, VIEW

Constructor Summary

Constructors

Constructor	Description
PermissionsDescriptor(DataDictionary dd, String grantee, String grantor)

Method Summary

Modifier and Type	Method	Description
abstract boolean	checkOwner(String authorizationId)	This method checks if the passed authorization id is same as the owner of the object on which this permission is defined.
Object	clone()
abstract int	getCatalogNumber()
final String	getGrantee()
final String	getGrantor()
UUID	getObjectID()	Get the provider's UUID
UUID	getUUID()	Gets the UUID of the table.
boolean	isPersistent()	Is this provider persistent?
protected boolean	keyEquals(PermissionsDescriptor other)
protected int	keyHashCode()
void	setGrantee(String grantee)
void	setUUID(UUID oid)	Sets the UUID of the table

Methods inherited from class TupleDescriptor

getColumnDependableFinder, getDataDictionary, getDependableFinder, getDescriptorName, getDescriptorType, setDataDictionary

Methods inherited from class Object

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

Methods inherited from interface Dependable

getClassType, getDependableFinder, getObjectName

Field Details

oid

protected UUID oid

grantee

private String grantee

grantor

private final String grantor

Constructor Details

PermissionsDescriptor

PermissionsDescriptor(DataDictionary dd,
 String grantee,
 String grantor)

Method Details

clone

public Object clone()

Overrides:

clone in class Object

getCatalogNumber

public abstract int getCatalogNumber()

keyEquals

protected boolean keyEquals(PermissionsDescriptor other)

Returns:

true iff the key part of this permissions descriptor equals the key part of another permissions descriptor.

keyHashCode

protected int keyHashCode()

Returns:

the hashCode for the key part of this permissions descriptor

setGrantee

public void setGrantee(String grantee)

getGrantee

public final String getGrantee()

getGrantor

public final String getGrantor()

getUUID

public UUID getUUID()

Gets the UUID of the table.

Returns:

The UUID of the table.

setUUID

public void setUUID(UUID oid)

Sets the UUID of the table

Parameters:

oid - The UUID of the table to be set in the descriptor

checkOwner

public abstract boolean checkOwner(String authorizationId)
                            throws StandardException

This method checks if the passed authorization id is same as the owner of the object on which this permission is defined. This method gets called by create view/constraint/trigger to see if this permission needs to be saved in dependency system for the view/constraint/trigger. If the same user is the owner of the the object being accessed and the newly created object, then no need to keep this privilege dependency

Returns:

boolean If passed authorization id is owner of the table

Throws:

StandardException

getObjectID

public UUID getObjectID()

Get the provider's UUID

Specified by:

getObjectID in interface Dependable

Returns:

The provider's UUID

isPersistent

public boolean isPersistent()

Is this provider persistent? A stored dependency will be required if both the dependent and provider are persistent.

Specified by:

isPersistent in interface Dependable

Overrides:

isPersistent in class TupleDescriptor

Returns:

boolean Whether or not this provider is persistent.