org.apache.derby.impl.sql.catalog

Class SYSPERMSRowFactory

java.lang.Object

org.apache.derby.iapi.sql.dictionary.CatalogRowFactory

org.apache.derby.impl.sql.catalog.SYSPERMSRowFactory

public class SYSPERMSRowFactory
extends CatalogRowFactory

Factory for creating a SYSPERMS row.

Field Summary

Fields

Modifier and Type	Field and Description
static int	GRANTEE_OBJECTID_GRANTOR_INDEX_NUM
static int	PERMS_OBJECTID_IDX_NUM
static int	PERMS_UUID_IDX_NUM

Method Summary

Modifier and Type	Method and Description
SystemColumn[]	buildColumnList() Builds a list of columns suitable for creating this Catalog.
TupleDescriptor	buildDescriptor(ExecRow row, TupleDescriptor parentTupleDescriptor, DataDictionary dd) Make an Tuple Descriptor out of a SYSPERMS row
ExecIndexRow	buildIndexKeyRow(int indexNumber, PermissionsDescriptor perm) builds an index key row given for a given index number.
int	getPrimaryKeyIndexNumber() Get the index number for the primary key index on this catalog.
ExecRow	makeRow(TupleDescriptor td, TupleDescriptor parent) Make a SYSPERMS row
int	orPermissions(ExecRow row, PermissionsDescriptor perm, boolean[] colsChanged) Or a set of permissions in with a row from this catalog table
int	removePermissions(ExecRow row, PermissionsDescriptor perm, boolean[] colsChanged) Remove a set of permissions from a row from this catalog table

Methods inherited from class org.apache.derby.iapi.sql.dictionary.CatalogRowFactory

generateIndexName, getCanonicalHeapName, getCanonicalHeapUUID, getCanonicalIndexUUID, getCanonicalTableUUID, getCatalogName, getCreateHeapProperties, getCreateIndexProperties, getDataValueFactory, getExecutionFactory, getHeapColumnCount, getIndexColumnCount, getIndexColumnPositions, getIndexName, getNumIndexes, getUUIDFactory, initInfo, isIndexUnique, makeEmptyRow, makeEmptyRowForCurrentVersion

Methods inherited from class java.lang.Object

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

Field Detail

PERMS_UUID_IDX_NUM

public static final int PERMS_UUID_IDX_NUM

See Also:

Constant Field Values

PERMS_OBJECTID_IDX_NUM

public static final int PERMS_OBJECTID_IDX_NUM

See Also:

Constant Field Values

GRANTEE_OBJECTID_GRANTOR_INDEX_NUM

public static final int GRANTEE_OBJECTID_GRANTOR_INDEX_NUM

See Also:

Constant Field Values

Method Detail

buildIndexKeyRow

public ExecIndexRow buildIndexKeyRow(int indexNumber,
                                     PermissionsDescriptor perm)
                              throws StandardException

builds an index key row given for a given index number.

perm - a permission descriptor of the appropriate class for this PermissionsCatalogRowFactory class.

Throws:

StandardException - standard error policy

getPrimaryKeyIndexNumber

public int getPrimaryKeyIndexNumber()

Description copied from class: CatalogRowFactory

Get the index number for the primary key index on this catalog.

Overrides:

getPrimaryKeyIndexNumber in class CatalogRowFactory

Returns:

a 0-based number

orPermissions

public int orPermissions(ExecRow row,
                         PermissionsDescriptor perm,
                         boolean[] colsChanged)
                  throws StandardException

Or a set of permissions in with a row from this catalog table

Parameters:

row - an existing row

perm - a permission descriptor of the appropriate class for this PermissionsCatalogRowFactory class.

colsChanged - An array with one element for each column in row. It is updated to indicate which columns in row were changed

Returns:

The number of columns that were changed.

Throws:

StandardException - standard error policy

removePermissions

public int removePermissions(ExecRow row,
                             PermissionsDescriptor perm,
                             boolean[] colsChanged)
                      throws StandardException

Remove a set of permissions from a row from this catalog table

Parameters:

row - an existing row

perm - a permission descriptor of the appropriate class for this PermissionsCatalogRowFactory class.

colsChanged - An array with one element for each column in row. It is updated to indicate which columns in row were changed

Returns:

-1 if there are no permissions left in the row, otherwise the number of columns that were changed.

Throws:

StandardException - standard error policy

makeRow

public ExecRow makeRow(TupleDescriptor td,
                       TupleDescriptor parent)
                throws StandardException

Make a SYSPERMS row

Overrides:

makeRow in class CatalogRowFactory

Parameters:

td - a permission descriptor

parent - unused

Returns:

Row suitable for inserting into SYSPERMS.

Throws:

StandardException - thrown on failure

buildDescriptor

public TupleDescriptor buildDescriptor(ExecRow row,
                                       TupleDescriptor parentTupleDescriptor,
                                       DataDictionary dd)
                                throws StandardException

Make an Tuple Descriptor out of a SYSPERMS row

Specified by:

buildDescriptor in class CatalogRowFactory

Parameters:

row - a SYSPERMS row

parentTupleDescriptor - unused

dd - dataDictionary

Returns:

a descriptor equivalent to a SYSPERMS row

Throws:

StandardException - thrown on failure

buildColumnList

public SystemColumn[] buildColumnList()
                               throws StandardException

Builds a list of columns suitable for creating this Catalog.

Specified by:

buildColumnList in class CatalogRowFactory

Returns:

array of SystemColumn suitable for making this catalog.

Throws:

StandardException