com.ibm.tivoli.maximo.dbmanage.connection

Class MTConnection

java.lang.Object

com.ibm.tivoli.maximo.dbmanage.connection.MTConnection

All Implemented Interfaces:

java.lang.AutoCloseable, java.sql.Connection, java.sql.Wrapper

public class MTConnection
extends java.lang.Object
implements java.sql.Connection

Handles a database connection where MultiTenancy is enabled.

Author:

John Neville

See Also:

Used to set context within MultiTenancy.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	CONTEXTCHANGE Used to log changes in context.
static java.lang.String	UNSUPPORTED Used to log unsupported operations.

Fields inherited from interface java.sql.Connection

TRANSACTION_NONE, TRANSACTION_READ_COMMITTED, TRANSACTION_READ_UNCOMMITTED, TRANSACTION_REPEATABLE_READ, TRANSACTION_SERIALIZABLE

Constructor Summary

Constructors

Constructor and Description
MTConnection(java.sql.Connection conDB, java.util.Properties properties) Constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	abort(java.util.concurrent.Executor executor)
void	clearWarnings()
void	close()
void	commit() All connections with uncommitted changes are committed.
java.sql.Array	createArrayOf(java.lang.String arg0, java.lang.Object[] arg1)
java.sql.Blob	createBlob()
java.sql.Clob	createClob()
java.sql.NClob	createNClob()
java.sql.SQLXML	createSQLXML()
java.sql.Statement	createStatement()
java.sql.Statement	createStatement(int resultSetType, int resultSetConcurrency)
java.sql.Statement	createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability)
java.sql.Struct	createStruct(java.lang.String arg0, java.lang.Object[] arg1)
java.util.Set<MTContext>	getAllContexts()
boolean	getAutoCommit()
java.lang.String	getCatalog()
java.util.Properties	getClientInfo()
java.lang.String	getClientInfo(java.lang.String arg0)
MTContext	getContext() Get the current context.
java.sql.Connection	getContextConnection(MTContext context)
MTContext	getContextForQuery(java.lang.String sql)
java.util.List<ContextSql>	getContextForSql(java.lang.String sql) Builds a set of contexts to properly execute the SQL statement.
int	getHoldability()
java.sql.DatabaseMetaData	getMetaData()
int	getNetworkTimeout()
java.lang.String	getSchema()
MTStorageType	getStorageType(java.lang.String tbname) Returns a table's storage type.
java.util.List<MTContext>	getTargetContext() Get the Target Context list.
java.util.Set<MTContext>	getTenantContexts()
int	getTransactionIsolation()
java.util.Map<java.lang.String,java.lang.Class<?>>	getTypeMap()
java.sql.SQLWarning	getWarnings()
boolean	isClosed()
boolean	isReadOnly()
boolean	isValid(int arg0)
boolean	isWrapperFor(java.lang.Class<?> iface)
java.lang.String	nativeSQL(java.lang.String arg0)
void	popContext()
java.sql.CallableStatement	prepareCall(java.lang.String sql)
java.sql.CallableStatement	prepareCall(java.lang.String arg0, int arg1, int arg2)
java.sql.CallableStatement	prepareCall(java.lang.String arg0, int arg1, int arg2, int arg3)
java.sql.PreparedStatement	prepareStatement(java.lang.String sql)
java.sql.PreparedStatement	prepareStatement(java.lang.String sql, int autoGeneratedKeys)
java.sql.PreparedStatement	prepareStatement(java.lang.String sql, int[] columnIndexes)
java.sql.PreparedStatement	prepareStatement(java.lang.String sql, int resultSetType, int resultSetConcurrency)
java.sql.PreparedStatement	prepareStatement(java.lang.String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability)
java.sql.PreparedStatement	prepareStatement(java.lang.String sql, java.lang.String[] columnNames)
void	pushContext(java.util.List<MTContext> contextList)
void	pushContext(MTContext context)
void	releaseSavepoint(java.sql.Savepoint arg0)
void	rollback()
void	rollback(java.sql.Savepoint savepoint)
void	setAutoCommit(boolean autoCommit) All sub-connection will have the same AutoCommit setting.
void	setCatalog(java.lang.String arg0)
void	setClientInfo(java.util.Properties arg0)
void	setClientInfo(java.lang.String arg0, java.lang.String arg1)
void	setHoldability(int arg0)
void	setNetworkTimeout(java.util.concurrent.Executor executor, int milliseconds)
void	setReadOnly(boolean arg0)
java.sql.Savepoint	setSavepoint()
java.sql.Savepoint	setSavepoint(java.lang.String arg0)
void	setSchema(java.lang.String schema)
void	setStorageType(java.lang.String tbname, MTStorageType st) Tell the connection the storage type of a table.
void	setTargetContext(MTContext c)
void	setTargetContextByName(java.lang.String context) Set the targeted context for future statements.
void	setTargetContexts(java.util.Collection<MTContext> c) When the target context is set, only this context will be used for operations & selects on TRANSACTIONAL, DELTA, and TEMPLATE tables.
void	setTransactionIsolation(int arg0)
void	setTypeMap(java.util.Map<java.lang.String,java.lang.Class<?>> arg0)
<T> T	unwrap(java.lang.Class<T> iface)

Methods inherited from class java.lang.Object

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

Field Detail

CONTEXTCHANGE

public static final java.lang.String CONTEXTCHANGE

Used to log changes in context.

See Also:

Constant Field Values

UNSUPPORTED

public static final java.lang.String UNSUPPORTED

Used to log unsupported operations.

See Also:

Constant Field Values

Constructor Detail

MTConnection

public MTConnection(java.sql.Connection conDB,
            java.util.Properties properties)
             throws java.lang.Exception

Constructor

Parameters:

conDB -

properties -

Throws:

java.lang.Exception

Method Detail

clearWarnings

public void clearWarnings()
                   throws java.sql.SQLException

Specified by:

clearWarnings in interface java.sql.Connection

Throws:

java.sql.SQLException

close

public void close()
           throws java.sql.SQLException

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.sql.Connection

Throws:

java.sql.SQLException

commit

public void commit()
            throws java.sql.SQLException

All connections with uncommitted changes are committed. This may produce multiple context changes. After this command, context will return back to the value it was before the commit.

Specified by:

commit in interface java.sql.Connection

Throws:

java.sql.SQLException

See Also:

Connection.commit()

getContextConnection

public java.sql.Connection getContextConnection(MTContext context)

getContext

public MTContext getContext()

Get the current context.

createArrayOf

public java.sql.Array createArrayOf(java.lang.String arg0,
                           java.lang.Object[] arg1)
                             throws java.sql.SQLException

Specified by:

createArrayOf in interface java.sql.Connection

Throws:

java.sql.SQLException

createBlob

public java.sql.Blob createBlob()
                         throws java.sql.SQLException

Specified by:

createBlob in interface java.sql.Connection

Throws:

java.sql.SQLException

createClob

public java.sql.Clob createClob()
                         throws java.sql.SQLException

Specified by:

createClob in interface java.sql.Connection

Throws:

java.sql.SQLException

createNClob

public java.sql.NClob createNClob()
                           throws java.sql.SQLException

Specified by:

createNClob in interface java.sql.Connection

Throws:

java.sql.SQLException

createSQLXML

public java.sql.SQLXML createSQLXML()
                             throws java.sql.SQLException

Specified by:

createSQLXML in interface java.sql.Connection

Throws:

java.sql.SQLException

createStatement

public java.sql.Statement createStatement()
                                   throws java.sql.SQLException

Specified by:

createStatement in interface java.sql.Connection

Throws:

java.sql.SQLException

createStatement

public java.sql.Statement createStatement(int resultSetType,
                                 int resultSetConcurrency)
                                   throws java.sql.SQLException

Specified by:

createStatement in interface java.sql.Connection

Throws:

java.sql.SQLException

createStatement

public java.sql.Statement createStatement(int resultSetType,
                                 int resultSetConcurrency,
                                 int resultSetHoldability)
                                   throws java.sql.SQLException

Specified by:

createStatement in interface java.sql.Connection

Throws:

java.sql.SQLException

createStruct

public java.sql.Struct createStruct(java.lang.String arg0,
                           java.lang.Object[] arg1)
                             throws java.sql.SQLException

Specified by:

createStruct in interface java.sql.Connection

Throws:

java.sql.SQLException

getAutoCommit

public boolean getAutoCommit()
                      throws java.sql.SQLException

Specified by:

getAutoCommit in interface java.sql.Connection

Throws:

java.sql.SQLException

getCatalog

public java.lang.String getCatalog()
                            throws java.sql.SQLException

Specified by:

getCatalog in interface java.sql.Connection

Throws:

java.sql.SQLException

getClientInfo

public java.util.Properties getClientInfo()
                                   throws java.sql.SQLException

Specified by:

getClientInfo in interface java.sql.Connection

Throws:

java.sql.SQLException

getClientInfo

public java.lang.String getClientInfo(java.lang.String arg0)
                               throws java.sql.SQLException

Specified by:

getClientInfo in interface java.sql.Connection

Throws:

java.sql.SQLException

getHoldability

public int getHoldability()
                   throws java.sql.SQLException

Specified by:

getHoldability in interface java.sql.Connection

Throws:

java.sql.SQLException

getMetaData

public java.sql.DatabaseMetaData getMetaData()
                                      throws java.sql.SQLException

Specified by:

getMetaData in interface java.sql.Connection

Throws:

java.sql.SQLException

getTransactionIsolation

public int getTransactionIsolation()
                            throws java.sql.SQLException

Specified by:

getTransactionIsolation in interface java.sql.Connection

Throws:

java.sql.SQLException

getTypeMap

public java.util.Map<java.lang.String,java.lang.Class<?>> getTypeMap()
                                                              throws java.sql.SQLException

Specified by:

getTypeMap in interface java.sql.Connection

Throws:

java.sql.SQLException

getWarnings

public java.sql.SQLWarning getWarnings()
                                throws java.sql.SQLException

Specified by:

getWarnings in interface java.sql.Connection

Throws:

java.sql.SQLException

isClosed

public boolean isClosed()
                 throws java.sql.SQLException

Specified by:

isClosed in interface java.sql.Connection

Throws:

java.sql.SQLException

isReadOnly

public boolean isReadOnly()
                   throws java.sql.SQLException

Specified by:

isReadOnly in interface java.sql.Connection

Throws:

java.sql.SQLException

isValid

public boolean isValid(int arg0)
                throws java.sql.SQLException

Specified by:

isValid in interface java.sql.Connection

Throws:

java.sql.SQLException

nativeSQL

public java.lang.String nativeSQL(java.lang.String arg0)
                           throws java.sql.SQLException

Specified by:

nativeSQL in interface java.sql.Connection

Throws:

java.sql.SQLException

prepareCall

public java.sql.CallableStatement prepareCall(java.lang.String sql)
                                       throws java.sql.SQLException

Specified by:

prepareCall in interface java.sql.Connection

Throws:

java.sql.SQLException

prepareCall

public java.sql.CallableStatement prepareCall(java.lang.String arg0,
                                     int arg1,
                                     int arg2)
                                       throws java.sql.SQLException

Specified by:

prepareCall in interface java.sql.Connection

Throws:

java.sql.SQLException

prepareCall

public java.sql.CallableStatement prepareCall(java.lang.String arg0,
                                     int arg1,
                                     int arg2,
                                     int arg3)
                                       throws java.sql.SQLException

Specified by:

prepareCall in interface java.sql.Connection

Throws:

java.sql.SQLException

prepareStatement

public java.sql.PreparedStatement prepareStatement(java.lang.String sql)
                                            throws java.sql.SQLException

Specified by:

prepareStatement in interface java.sql.Connection

Throws:

java.sql.SQLException

prepareStatement

public java.sql.PreparedStatement prepareStatement(java.lang.String sql,
                                          int autoGeneratedKeys)
                                            throws java.sql.SQLException

Specified by:

prepareStatement in interface java.sql.Connection

Throws:

java.sql.SQLException

prepareStatement

public java.sql.PreparedStatement prepareStatement(java.lang.String sql,
                                          int[] columnIndexes)
                                            throws java.sql.SQLException

Specified by:

prepareStatement in interface java.sql.Connection

Throws:

java.sql.SQLException

prepareStatement

public java.sql.PreparedStatement prepareStatement(java.lang.String sql,
                                          java.lang.String[] columnNames)
                                            throws java.sql.SQLException

Specified by:

prepareStatement in interface java.sql.Connection

Throws:

java.sql.SQLException

prepareStatement

public java.sql.PreparedStatement prepareStatement(java.lang.String sql,
                                          int resultSetType,
                                          int resultSetConcurrency)
                                            throws java.sql.SQLException

Specified by:

prepareStatement in interface java.sql.Connection

Throws:

java.sql.SQLException

prepareStatement

public java.sql.PreparedStatement prepareStatement(java.lang.String sql,
                                          int resultSetType,
                                          int resultSetConcurrency,
                                          int resultSetHoldability)
                                            throws java.sql.SQLException

Specified by:

prepareStatement in interface java.sql.Connection

Throws:

java.sql.SQLException

releaseSavepoint

public void releaseSavepoint(java.sql.Savepoint arg0)
                      throws java.sql.SQLException

Specified by:

releaseSavepoint in interface java.sql.Connection

Throws:

java.sql.SQLException

rollback

public void rollback()
              throws java.sql.SQLException

Specified by:

rollback in interface java.sql.Connection

Throws:

java.sql.SQLException

rollback

public void rollback(java.sql.Savepoint savepoint)
              throws java.sql.SQLException

Specified by:

rollback in interface java.sql.Connection

Throws:

java.sql.SQLException

setAutoCommit

public void setAutoCommit(boolean autoCommit)
                   throws java.sql.SQLException

All sub-connection will have the same AutoCommit setting.

Specified by:

setAutoCommit in interface java.sql.Connection

Throws:

java.sql.SQLException

See Also:

getAutoCommit(), Connection.setAutoCommit(boolean)

setCatalog

public void setCatalog(java.lang.String arg0)
                throws java.sql.SQLException

Specified by:

setCatalog in interface java.sql.Connection

Throws:

java.sql.SQLException

setClientInfo

public void setClientInfo(java.util.Properties arg0)
                   throws java.sql.SQLClientInfoException

Specified by:

setClientInfo in interface java.sql.Connection

Throws:

java.sql.SQLClientInfoException

setClientInfo

public void setClientInfo(java.lang.String arg0,
                 java.lang.String arg1)
                   throws java.sql.SQLClientInfoException

Specified by:

setClientInfo in interface java.sql.Connection

Throws:

java.sql.SQLClientInfoException

setHoldability

public void setHoldability(int arg0)
                    throws java.sql.SQLException

Specified by:

setHoldability in interface java.sql.Connection

Throws:

java.sql.SQLException

setReadOnly

public void setReadOnly(boolean arg0)
                 throws java.sql.SQLException

Specified by:

setReadOnly in interface java.sql.Connection

Throws:

java.sql.SQLException

setSavepoint

public java.sql.Savepoint setSavepoint()
                                throws java.sql.SQLException

Specified by:

setSavepoint in interface java.sql.Connection

Throws:

java.sql.SQLException

setSavepoint

public java.sql.Savepoint setSavepoint(java.lang.String arg0)
                                throws java.sql.SQLException

Specified by:

setSavepoint in interface java.sql.Connection

Throws:

java.sql.SQLException

setTransactionIsolation

public void setTransactionIsolation(int arg0)
                             throws java.sql.SQLException

Specified by:

setTransactionIsolation in interface java.sql.Connection

Throws:

java.sql.SQLException

setTypeMap

public void setTypeMap(java.util.Map<java.lang.String,java.lang.Class<?>> arg0)
                throws java.sql.SQLException

Specified by:

setTypeMap in interface java.sql.Connection

Throws:

java.sql.SQLException

isWrapperFor

public boolean isWrapperFor(java.lang.Class<?> iface)
                     throws java.sql.SQLException

Specified by:

isWrapperFor in interface java.sql.Wrapper

Throws:

java.sql.SQLException

unwrap

public <T> T unwrap(java.lang.Class<T> iface)
         throws java.sql.SQLException

Specified by:

unwrap in interface java.sql.Wrapper

Throws:

java.sql.SQLException

setStorageType

public void setStorageType(java.lang.String tbname,
                  MTStorageType st)

Tell the connection the storage type of a table. Used for temporary tables that aren't stored in MaxTable.

Parameters:

tbname - Name of the table.

st - StorageType of the table.

getStorageType

public MTStorageType getStorageType(java.lang.String tbname)
                             throws java.sql.SQLException

Returns a table's storage type. Caches the value also.

Parameters:

tbname - Name of the table.

Returns:

A value from 0 to 6, or -1 if data for the table is not found

Throws:

MXException

java.sql.SQLException

getContextForSql

public java.util.List<ContextSql> getContextForSql(java.lang.String sql)
                                            throws java.sql.SQLException

Builds a set of contexts to properly execute the SQL statement.

Parameters:

sql -

Returns:

The list of contexts where the execution needs to occur, plus the SQL to use in that context. The list is ordered.

Throws:

java.sql.SQLException

getContextForQuery

public MTContext getContextForQuery(java.lang.String sql)
                             throws java.sql.SQLException

Throws:

java.sql.SQLException

getTenantContexts

public java.util.Set<MTContext> getTenantContexts()

getAllContexts

public java.util.Set<MTContext> getAllContexts()

setTargetContexts

public void setTargetContexts(java.util.Collection<MTContext> c)

When the target context is set, only this context will be used for operations & selects on TRANSACTIONAL, DELTA, and TEMPLATE tables.

Parameters:

c -

setTargetContext

public void setTargetContext(MTContext c)

getTargetContext

public java.util.List<MTContext> getTargetContext()

Get the Target Context list.

Returns:

list of targetContext

setTargetContextByName

public void setTargetContextByName(java.lang.String context)

Set the targeted context for future statements. Applies until changed.

Parameters:

context - Can be master", "landlord", null, or a TenantCode from the TenantReg table.

pushContext

public void pushContext(MTContext context)
                 throws java.sql.SQLException

Throws:

java.sql.SQLException

pushContext

public void pushContext(java.util.List<MTContext> contextList)
                 throws java.sql.SQLException

Throws:

java.sql.SQLException

popContext

public void popContext()
                throws java.sql.SQLException

Throws:

java.sql.SQLException

setNetworkTimeout

public void setNetworkTimeout(java.util.concurrent.Executor executor,
                     int milliseconds)
                       throws java.sql.SQLException

Specified by:

setNetworkTimeout in interface java.sql.Connection

Throws:

java.sql.SQLException

getNetworkTimeout

public int getNetworkTimeout()
                      throws java.sql.SQLException

Specified by:

getNetworkTimeout in interface java.sql.Connection

Throws:

java.sql.SQLException

setSchema

public void setSchema(java.lang.String schema)
               throws java.sql.SQLException

Specified by:

setSchema in interface java.sql.Connection

Throws:

java.sql.SQLException

getSchema

public java.lang.String getSchema()
                           throws java.sql.SQLException

Specified by:

getSchema in interface java.sql.Connection

Throws:

java.sql.SQLException

abort

public void abort(java.util.concurrent.Executor executor)
           throws java.sql.SQLException

Specified by:

abort in interface java.sql.Connection

Throws:

java.sql.SQLException