org.apache.derby.impl.sql.catalog
Class SYSTABLESRowFactory

java.lang.Object
  org.apache.derby.iapi.sql.dictionary.CatalogRowFactory
      org.apache.derby.impl.sql.catalog.SYSTABLESRowFactory

 class SYSTABLESRowFactory
extends CatalogRowFactory

Factory for creating a SYSTABLES row.

Version:

0.1

Field Summary

private static int[][]	indexColumnPositions
protected static int	SYSTABLES_COLUMN_COUNT
protected static int	SYSTABLES_INDEX1_ID
protected static int	SYSTABLES_INDEX1_SCHEMAID
protected static int	SYSTABLES_INDEX1_TABLENAME
protected static int	SYSTABLES_INDEX2_ID
protected static int	SYSTABLES_INDEX2_TABLEID
protected static int	SYSTABLES_LOCKGRANULARITY
protected static int	SYSTABLES_SCHEMAID
protected static int	SYSTABLES_TABLEID
protected static int	SYSTABLES_TABLENAME
protected static int	SYSTABLES_TABLETYPE
private static java.lang.String	TABLENAME_STRING
private static java.lang.String[]	uuids

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

dvf, heapUUID, indexNames, indexUniqueness, indexUUID, tableUUID

Constructor Summary

SYSTABLESRowFactory(UUIDFactory uuidf, ExecutionFactory ef, DataValueFactory dvf)

Method Summary

SystemColumn[]	buildColumnList() Builds a list of columns suitable for creating this Catalog.
TupleDescriptor	buildDescriptor(ExecRow row, TupleDescriptor parentTupleDescriptor, DataDictionary dd) Make a TableDescriptor out of a SYSTABLES row
(package private) TupleDescriptor	buildDescriptor(ExecRow row, TupleDescriptor parentTupleDescriptor, DataDictionary dd, int isolationLevel) Make a TableDescriptor out of a SYSTABLES row
TupleDescriptor	buildDescriptorBody(ExecRow row, TupleDescriptor parentTupleDescriptor, DataDictionary dd, int isolationLevel)
(package private) ExecIndexRow	buildEmptyIndexRow(int indexNumber, RowLocation rowLocation) Builds an empty index row.
protected java.lang.String	getTableName(ExecRow row) Get the table name out of this SYSTABLES row
ExecRow	makeRow(TupleDescriptor td, TupleDescriptor parent) Make a SYSTABLES row

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, getPrimaryKeyIndexNumber, getUUIDFactory, initInfo, isIndexUnique, makeEmptyRow

Methods inherited from class java.lang.Object

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

Field Detail

TABLENAME_STRING

private static final java.lang.String TABLENAME_STRING

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Constant Field Values

SYSTABLES_COLUMN_COUNT

protected static final int SYSTABLES_COLUMN_COUNT

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Constant Field Values

SYSTABLES_TABLEID

protected static final int SYSTABLES_TABLEID

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Constant Field Values

SYSTABLES_TABLENAME

protected static final int SYSTABLES_TABLENAME

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Constant Field Values

SYSTABLES_TABLETYPE

protected static final int SYSTABLES_TABLETYPE

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Constant Field Values

SYSTABLES_SCHEMAID

protected static final int SYSTABLES_SCHEMAID

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Constant Field Values

SYSTABLES_LOCKGRANULARITY

protected static final int SYSTABLES_LOCKGRANULARITY

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Constant Field Values

SYSTABLES_INDEX1_ID

protected static final int SYSTABLES_INDEX1_ID

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Constant Field Values

SYSTABLES_INDEX1_TABLENAME

protected static final int SYSTABLES_INDEX1_TABLENAME

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Constant Field Values

SYSTABLES_INDEX1_SCHEMAID

protected static final int SYSTABLES_INDEX1_SCHEMAID

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Constant Field Values

SYSTABLES_INDEX2_ID

protected static final int SYSTABLES_INDEX2_ID

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Constant Field Values

SYSTABLES_INDEX2_TABLEID

protected static final int SYSTABLES_INDEX2_TABLEID

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Constant Field Values

uuids

private static final java.lang.String[] uuids

indexColumnPositions

private static final int[][] indexColumnPositions

Constructor Detail

SYSTABLESRowFactory

SYSTABLESRowFactory(UUIDFactory uuidf,
                    ExecutionFactory ef,
                    DataValueFactory dvf)

Method Detail

makeRow

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

Make a SYSTABLES row

Overrides:

makeRow in class CatalogRowFactory

Returns:

Row suitable for inserting into SYSTABLES.

Throws:

StandardException - thrown on failure

buildEmptyIndexRow

ExecIndexRow buildEmptyIndexRow(int indexNumber,
                                RowLocation rowLocation)
                          throws StandardException

Builds an empty index row.

Parameters:

indexNumber - Index to build empty row for.

rowLocation - Row location for last column of index row

Returns:

corresponding empty index row

Throws:

StandardException - thrown on failure

buildDescriptor

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

Make a TableDescriptor out of a SYSTABLES row

Parameters:

row - a SYSTABLES row

parentTupleDescriptor - Null for this kind of descriptor.

dd - dataDictionary

isolationLevel - use this explicit isolation level. Only ISOLATION_REPEATABLE_READ (normal usage) or ISOLATION_READ_UNCOMMITTED (corner cases) supported for now.

Throws:

StandardException - thrown on failure

buildDescriptor

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

Make a TableDescriptor out of a SYSTABLES row

Specified by:

buildDescriptor in class CatalogRowFactory

Parameters:

row - a SYSTABLES row

parentTupleDescriptor - Null for this kind of descriptor.

dd - dataDictionary

Returns:

a table descriptor equivalent to a SYSTABLES row

Throws:

StandardException - thrown on failure

buildDescriptorBody

public TupleDescriptor buildDescriptorBody(ExecRow row,
                                           TupleDescriptor parentTupleDescriptor,
                                           DataDictionary dd,
                                           int isolationLevel)
                                    throws StandardException

Throws:

StandardException

getTableName

protected java.lang.String getTableName(ExecRow row)
                                 throws StandardException

Get the table name out of this SYSTABLES row

Parameters:

row - a SYSTABLES row

Returns:

string, the table name

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