org.apache.ignite.internal.processors.query.h2

Class SchemaManager

java.lang.Object

org.apache.ignite.internal.processors.query.h2.SchemaManager

public class SchemaManager
extends Object

Schema manager. Responsible for all manipulations on schema objects.

Field Summary

Fields

Modifier and Type	Field and Description
static String	SQL_IDXS_VIEW
static String	SQL_IDXS_VIEW_DESC
static String	SQL_SCHEMA_VIEW
static String	SQL_SCHEMA_VIEW_DESC
static String	SQL_TBL_COLS_VIEW
static String	SQL_TBL_COLS_VIEW_DESC
static String	SQL_TBLS_VIEW
static String	SQL_TBLS_VIEW_DESC
static String	SQL_VIEW_COLS_VIEW
static String	SQL_VIEW_COLS_VIEW_DESC
static String	SQL_VIEWS_VIEW
static String	SQL_VIEWS_VIEW_DESC

Constructor Summary

Constructors

Constructor and Description
SchemaManager(GridKernalContext ctx, ConnectionManager connMgr) Constructor.

Method Summary

Modifier and Type	Method and Description
void	addColumn(String schemaName, String tblName, List<QueryField> cols, boolean ifTblExists, boolean ifColNotExists) Add column.
void	createIndex(GridH2Table h2Tbl, H2TableDescriptor desc, String schemaName, GridH2IndexBase h2Idx, boolean ifNotExists, SchemaIndexCacheVisitor cacheVisitor) Creates index.
void	createIndex(String schemaName, String tblName, QueryIndexDescriptorImpl idxDesc, boolean ifNotExists, SchemaIndexCacheVisitor cacheVisitor) Create index.
void	createSystemView(String schema, SqlSystemView view) Registers new system view.
GridH2Table	dataTable(String schemaName, String tblName) Find table by it's identifier.
GridH2Table	dataTableForIndex(String schemaName, String idxName) Find table for index.
Collection<GridH2Table>	dataTables()
void	dropColumn(String schemaName, String tblName, List<String> cols, boolean ifTblExists, boolean ifColExists) Drop column.
void	dropIndex(String schemaName, String idxName, boolean ifExists) Drop index.
void	onCacheCreated(String cacheName, String schemaName, Class<?>[] sqlFuncs) Invoked when cache is created.
void	onCacheDestroyed(String cacheName, boolean destroy, boolean clearIdx) Handle cache destroy.
void	onCacheTypeCreated(GridCacheContextInfo cacheInfo, IgniteH2Indexing idx, GridQueryTypeDescriptor type, boolean isSql) Registers new class description.
void	registerDropColumnsListener(@NotNull BiConsumer<GridH2Table,List<String>> lsnr) Register listener for drop columns event.
void	registerDropTableListener(@NotNull BiConsumer<String,String> lsnr) Register listener for drop table event.
String	schemaName(String cacheName) Get schema name for cache.
Set<String>	schemaNames() Get schemas names.
void	start(String[] schemaNames) Handle node start.
void	stop() Handle node stop.
Collection<SqlSystemView>	systemViews()
@Nullable H2TableDescriptor	tableForType(String schemaName, String cacheName, String type) Get table descriptor.
Collection<H2TableDescriptor>	tablesForCache(String cacheName) Gets collection of table for given schema name.
void	unregisterDropColumnsListener(@NotNull BiConsumer<GridH2Table,List<String>> lsnr) Unregister listener for drop columns event.
void	unregisterDropTableListener(@NotNull BiConsumer<String,String> lsnr) Unregister listener for drop table event.

Methods inherited from class java.lang.Object

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

Field Detail

SQL_SCHEMA_VIEW

public static final String SQL_SCHEMA_VIEW

See Also:

Constant Field Values

SQL_SCHEMA_VIEW_DESC

public static final String SQL_SCHEMA_VIEW_DESC

See Also:

Constant Field Values

SQL_TBLS_VIEW

public static final String SQL_TBLS_VIEW

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Constant Field Values

SQL_TBLS_VIEW_DESC

public static final String SQL_TBLS_VIEW_DESC

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Constant Field Values

SQL_VIEWS_VIEW

public static final String SQL_VIEWS_VIEW

See Also:

Constant Field Values

SQL_VIEWS_VIEW_DESC

public static final String SQL_VIEWS_VIEW_DESC

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Constant Field Values

SQL_IDXS_VIEW

public static final String SQL_IDXS_VIEW

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Constant Field Values

SQL_IDXS_VIEW_DESC

public static final String SQL_IDXS_VIEW_DESC

See Also:

Constant Field Values

SQL_TBL_COLS_VIEW

public static final String SQL_TBL_COLS_VIEW

SQL_TBL_COLS_VIEW_DESC

public static final String SQL_TBL_COLS_VIEW_DESC

See Also:

Constant Field Values

SQL_VIEW_COLS_VIEW

public static final String SQL_VIEW_COLS_VIEW

SQL_VIEW_COLS_VIEW_DESC

public static final String SQL_VIEW_COLS_VIEW_DESC

See Also:

Constant Field Values

Constructor Detail

SchemaManager

public SchemaManager(GridKernalContext ctx,
                     ConnectionManager connMgr)

Constructor.

Parameters:

ctx - Kernal context.

connMgr - Connection manager.

Method Detail

start

public void start(String[] schemaNames)
           throws IgniteCheckedException

Handle node start.

Parameters:

schemaNames - Schema names.

Throws:

IgniteCheckedException

stop

public void stop()

Handle node stop.

createSystemView

public void createSystemView(String schema,
                             SqlSystemView view)
                      throws IgniteCheckedException

Registers new system view.

Parameters:

schema - Schema to create view in.

view - System view.

Throws:

IgniteCheckedException

onCacheCreated

public void onCacheCreated(String cacheName,
                           String schemaName,
                           Class<?>[] sqlFuncs)
                    throws IgniteCheckedException

Invoked when cache is created.

Parameters:

cacheName - Cache name.

schemaName - Schema name.

sqlFuncs - Custom SQL functions.

Throws:

IgniteCheckedException - If failed.

onCacheTypeCreated

public void onCacheTypeCreated(GridCacheContextInfo cacheInfo,
                               IgniteH2Indexing idx,
                               GridQueryTypeDescriptor type,
                               boolean isSql)
                        throws IgniteCheckedException

Registers new class description.

Parameters:

cacheInfo - Cache info.

idx - Indexing.

type - Type descriptor.

isSql - Whether SQL enabled.

Throws:

IgniteCheckedException - If failed.

onCacheDestroyed

public void onCacheDestroyed(String cacheName,
                             boolean destroy,
                             boolean clearIdx)

Handle cache destroy.

Parameters:

cacheName - Cache name.

destroy - Whether to remove indexes.

clearIdx - Whether to clear the index.

schemaName

public String schemaName(String cacheName)

Get schema name for cache.

Parameters:

cacheName - Cache name.

Returns:

Schema name.

schemaNames

public Set<String> schemaNames()

Get schemas names.

Returns:

Schemas names.

createIndex

public void createIndex(String schemaName,
                        String tblName,
                        QueryIndexDescriptorImpl idxDesc,
                        boolean ifNotExists,
                        SchemaIndexCacheVisitor cacheVisitor)
                 throws IgniteCheckedException

Create index.

Parameters:

schemaName - Schema name.

tblName - Table name.

idxDesc - Index descriptor.

ifNotExists - If-not-exists.

cacheVisitor - Cache visitor.

Throws:

IgniteCheckedException - If failed.

createIndex

public void createIndex(GridH2Table h2Tbl,
                        H2TableDescriptor desc,
                        String schemaName,
                        GridH2IndexBase h2Idx,
                        boolean ifNotExists,
                        SchemaIndexCacheVisitor cacheVisitor)
                 throws IgniteCheckedException

Creates index.

Parameters:

h2Tbl - Table.

desc - Table descriptor.

schemaName - Schema name.

h2Idx - Index.

ifNotExists - If-not-exists.

cacheVisitor - Cache visitor.

Throws:

IgniteCheckedException - If failed.

dropIndex

public void dropIndex(String schemaName,
                      String idxName,
                      boolean ifExists)
               throws IgniteCheckedException

Drop index.

Parameters:

schemaName - Schema name.

idxName - Index name.

ifExists - If exists.

Throws:

IgniteCheckedException - If failed.

addColumn

public void addColumn(String schemaName,
                      String tblName,
                      List<QueryField> cols,
                      boolean ifTblExists,
                      boolean ifColNotExists)
               throws IgniteCheckedException

Add column.

Parameters:

schemaName - Schema name.

tblName - Table name.

cols - Columns.

ifTblExists - If table exists.

ifColNotExists - If column not exists.

Throws:

IgniteCheckedException - If failed.

dropColumn

public void dropColumn(String schemaName,
                       String tblName,
                       List<String> cols,
                       boolean ifTblExists,
                       boolean ifColExists)
                throws IgniteCheckedException

Drop column.

Parameters:

schemaName - Schema name.

tblName - Table name.

cols - Columns.

ifTblExists - If table exists.

ifColExists - If column exists.

Throws:

IgniteCheckedException - If failed.

tableForType

@Nullable
public @Nullable H2TableDescriptor tableForType(String schemaName,
                                                          String cacheName,
                                                          String type)

Get table descriptor.

Parameters:

schemaName - Schema name.

cacheName - Cache name.

type - Type name.

Returns:

Descriptor.

tablesForCache

public Collection<H2TableDescriptor> tablesForCache(String cacheName)

Gets collection of table for given schema name.

Parameters:

cacheName - Cache name.

Returns:

Collection of table descriptors.

dataTable

public GridH2Table dataTable(String schemaName,
                             String tblName)

Find table by it's identifier.

Parameters:

schemaName - Schema name.

tblName - Table name.

Returns:

Table or null if none found.

dataTables

public Collection<GridH2Table> dataTables()

Returns:

all known tables.

systemViews

public Collection<SqlSystemView> systemViews()

Returns:

all known system views.

dataTableForIndex

public GridH2Table dataTableForIndex(String schemaName,
                                     String idxName)

Find table for index.

Parameters:

schemaName - Schema name.

idxName - Index name.

Returns:

Table or null if index is not found.

registerDropColumnsListener

public void registerDropColumnsListener(@NotNull
                                        @NotNull BiConsumer<GridH2Table,List<String>> lsnr)

Register listener for drop columns event.

Parameters:

lsnr - Drop columns event listener.

unregisterDropColumnsListener

public void unregisterDropColumnsListener(@NotNull
                                          @NotNull BiConsumer<GridH2Table,List<String>> lsnr)

Unregister listener for drop columns event.

Parameters:

lsnr - Drop columns event listener.

registerDropTableListener

public void registerDropTableListener(@NotNull
                                      @NotNull BiConsumer<String,String> lsnr)

Register listener for drop table event.

Parameters:

lsnr - Drop table event listener.

unregisterDropTableListener

public void unregisterDropTableListener(@NotNull
                                        @NotNull BiConsumer<String,String> lsnr)

Unregister listener for drop table event.

Parameters:

lsnr - Drop table event listener.