org.firebirdsql.jdbc

Class AbstractConnection

java.lang.Object

org.firebirdsql.jdbc.AbstractConnection

All Implemented Interfaces:

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

Direct Known Subclasses:

FBConnection

public abstract class AbstractConnection
extends java.lang.Object
implements FirebirdConnection, Synchronizable

The class AbstractConnection is a handle to a FBManagedConnection.

Version:

1.0

Author:

David Jencks

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	AbstractConnection.GeneratedKeysQuery

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.HashSet	activeStatements
protected FBManagedConnection	mc
protected InternalTransactionCoordinator	txCoordinator

Fields inherited from interface org.firebirdsql.jdbc.FirebirdConnection

TPB_CONCURRENCY, TPB_CONSISTENCY, TPB_NO_REC_VERSION, TPB_NOWAIT, TPB_READ, TPB_READ_COMMITTED, TPB_REC_VERSION, TPB_WAIT, TPB_WRITE

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
AbstractConnection(FBManagedConnection mc) Create a new AbstractConnection instance based on a FBManagedConnection.

Method Summary

Modifier and Type	Method and Description
protected void	addWarning(java.sql.SQLWarning warning)
protected void	checkAutoGeneratedKeysSupport() Helper method to check support of autoGeneratedKeys
protected void	checkValidity() Check if this connection is valid.
void	clearWarnings() Clears all warnings reported for this Connection object.
void	close() Releases a Connection's database and JDBC resources immediately instead of waiting for them to be automatically released.
void	commit() Makes all changes made since the previous commit/rollback permanent and releases any database locks currently held by the Connection.
java.sql.Array	createArrayOf(java.lang.String typeName, java.lang.Object[] elements)
java.sql.Blob	createBlob() Create Blob object.
java.sql.Clob	createClob()
java.sql.Statement	createStatement() Creates a Statement object for sending SQL statements to the database.
java.sql.Statement	createStatement(int resultSetType, int resultSetConcurrency) Creates a Statement object that will generate ResultSet objects with the given type and concurrency.
java.sql.Statement	createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability) Creates a Statement object that will generate ResultSet objects with the given type, concurrency, and holdability.
java.sql.Struct	createStruct(java.lang.String typeName, java.lang.Object[] attributes)
TransactionParameterBuffer	createTransactionParameterBuffer() Create new instance of TransactionParameterBuffer.
protected void	finalize()
boolean	getAutoCommit() Gets the current auto-commit state.
java.lang.String	getCatalog() Returns the Connection's current catalog name.
DatabaseParameterBuffer	getDatabaseParameterBuffer() Get database parameter buffer for this connection.
org.firebirdsql.gds.impl.GDSHelper	getGDSHelper()
int	getHoldability()
GDS	getInternalAPIHandler() Get Firebird API handler (sockets/native/embeded/etc)
IscDbHandle	getIscDBHandle() Get connection handle for direct Firebird API access
java.lang.String	getIscEncoding() Get the encoding that is being used for this connection.
FirebirdLocalTransaction	getLocalTransaction() Returns a FBLocalTransaction instance that enables a component to demarcate resource manager local transactions on this connection.
FBManagedConnection	getManagedConnection()
java.sql.DatabaseMetaData	getMetaData() Gets the metadata regarding this connection's database.
java.lang.String	getSchema()
FBObjectListener.StatementListener	getStatementListener()
java.lang.Object	getSynchronizationObject() Get synchronization object.
int	getTransactionIsolation() Gets this Connection's current transaction isolation level.
TransactionParameterBuffer	getTransactionParameters(int isolationLevel) Get transaction parameters for the specified transaction isolation level.
java.util.Map	getTypeMap() Gets the type map object associated with this connection.
java.sql.SQLWarning	getWarnings() Returns the first warning reported by calls on this Connection.
boolean	inTransaction() Check if this connection is currently involved in a transaction
protected void	invalidateSavepoints() Invalidate all savepoints.
protected void	invalidateTransactionLifetimeObjects() Invalidate everything that should only last for the lifetime of the current transaction.
boolean	isClosed() Tests to see if a Connection is closed.
boolean	isReadOnly() Tests to see if the connection is in read-only mode.
boolean	isUseFirebirdAutoCommit()
boolean	isValid(int timeout)
boolean	isWrapperFor(java.lang.Class<?> iface)
java.lang.String	nativeSQL(java.lang.String sql) Converts the given SQL statement into the system's native SQL grammar.
java.sql.CallableStatement	prepareCall(java.lang.String sql) Creates a CallableStatement object for calling database stored procedures.
java.sql.CallableStatement	prepareCall(java.lang.String sql, int resultSetType, int resultSetConcurrency) Creates a CallableStatement object that will generate ResultSet objects with the given type and concurrency.
java.sql.CallableStatement	prepareCall(java.lang.String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability)
protected java.sql.PreparedStatement	prepareMetaDataStatement(java.lang.String sql, int resultSetType, int resultSetConcurrency)
java.sql.PreparedStatement	prepareStatement(java.lang.String sql) Creates a PreparedStatement object for sending parameterized SQL statements to the database.
java.sql.PreparedStatement	prepareStatement(java.lang.String sql, int autoGeneratedKeys) Creates a default PreparedStatement object that has the capability to retrieve auto-generated keys.
java.sql.PreparedStatement	prepareStatement(java.lang.String sql, int[] columnIndexes) Creates a default PreparedStatement object capable of returning the auto-generated keys designated by the given array.
java.sql.PreparedStatement	prepareStatement(java.lang.String sql, int resultSetType, int resultSetConcurrency) Creates a PreparedStatement object that will generate ResultSet objects with the given type and concurrency.
java.sql.PreparedStatement	prepareStatement(java.lang.String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) Creates a PreparedStatement object that will generate ResultSet objects with the given type, concurrency, and holdability.
protected java.sql.PreparedStatement	prepareStatement(java.lang.String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability, boolean metaData, boolean generatedKeys)
java.sql.PreparedStatement	prepareStatement(java.lang.String sql, java.lang.String[] columnNames) Creates a default PreparedStatement object capable of returning the auto-generated keys designated by the given array.
void	releaseSavepoint(FirebirdSavepoint savepoint) Deprecated. This method will be removed in Jaybird 2.3, use Connection.releaseSavepoint(Savepoint)
void	releaseSavepoint(java.sql.Savepoint savepoint)
void	rollback() Drops all changes made since the previous commit/rollback and releases any database locks currently held by this Connection.
void	rollback(FirebirdSavepoint savepoint) Deprecated. This method will be removed in Jaybird 2.3, use Connection.rollback(Savepoint)
void	rollback(java.sql.Savepoint savepoint)
void	setAutoCommit(boolean autoCommit) Sets this connection's auto-commit mode.
void	setCatalog(java.lang.String catalog) Sets a catalog name in order to select a subspace of this Connection's database in which to work.
FirebirdSavepoint	setFirebirdSavepoint() Deprecated. This method will be removed in Jaybird 2.3, use Connection.setSavepoint()
FirebirdSavepoint	setFirebirdSavepoint(java.lang.String name) Deprecated. This method will be removed in Jaybird 2.3, use Connection.setSavepoint()
void	setHoldability(int holdability)
void	setManagedConnection(FBManagedConnection mc) Set the FBManagedConnection around which this connection is based.
void	setManagedEnvironment(boolean managedConnection)
void	setReadOnly(boolean readOnly) Puts this connection in read-only mode as a hint to enable database optimizations.
java.sql.Savepoint	setSavepoint()
java.sql.Savepoint	setSavepoint(java.lang.String name)
void	setSchema(java.lang.String schema)
void	setTransactionIsolation(int level) Attempts to change the transaction isolation level to the one given.
void	setTransactionParameters(int isolationLevel, int[] parameters) Set transaction parameters for the specified isolation level.
void	setTransactionParameters(int isolationLevel, TransactionParameterBuffer tpb) Set transaction parameters for the specified transaction isolation level.
void	setTransactionParameters(TransactionParameterBuffer tpb) Set transaction parameters for the next transactions.
void	setTypeMap(java.util.Map map) Installs the given type map as the type map for this connection.
<T> T	unwrap(java.lang.Class<T> iface)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.sql.Connection

abort, createNClob, createSQLXML, getClientInfo, getClientInfo, getNetworkTimeout, setClientInfo, setClientInfo, setNetworkTimeout

Field Detail

mc

protected FBManagedConnection mc

txCoordinator

protected final InternalTransactionCoordinator txCoordinator

activeStatements

protected java.util.HashSet activeStatements

Constructor Detail

AbstractConnection

public AbstractConnection(FBManagedConnection mc)

Create a new AbstractConnection instance based on a FBManagedConnection.

Parameters:

mc - A FBManagedConnection around which this connection is based

Method Detail

getStatementListener

public FBObjectListener.StatementListener getStatementListener()

getHoldability

public int getHoldability()
                   throws java.sql.SQLException

Specified by:

getHoldability in interface java.sql.Connection

Throws:

java.sql.SQLException

setHoldability

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

Specified by:

setHoldability in interface java.sql.Connection

Throws:

java.sql.SQLException

checkValidity

protected void checkValidity()
                      throws java.sql.SQLException

Check if this connection is valid. This method should be invoked before executing any action in this class.

Throws:

java.sql.SQLException - if this connection has been closed and cannot be used anymore.

setManagedConnection

public void setManagedConnection(FBManagedConnection mc)

Set the FBManagedConnection around which this connection is based.

Parameters:

mc - The FBManagedConnection around which this connection is based

getManagedConnection

public FBManagedConnection getManagedConnection()

getIscDBHandle

public IscDbHandle getIscDBHandle()
                           throws GDSException

Get connection handle for direct Firebird API access

Returns:

internal handle for connection

Throws:

GDSException - if handle needed to be created and creation failed

getInternalAPIHandler

public GDS getInternalAPIHandler()
                          throws java.sql.SQLException

Get Firebird API handler (sockets/native/embeded/etc)

Returns:

handler object for internal API calls

Throws:

java.sql.SQLException

getDatabaseParameterBuffer

public DatabaseParameterBuffer getDatabaseParameterBuffer()

Get database parameter buffer for this connection.

Returns:

instance of DatabaseParameterBuffer.

setTransactionParameters

public void setTransactionParameters(int isolationLevel,
                                     int[] parameters)
                              throws java.sql.SQLException

Description copied from interface: FirebirdConnection

Set transaction parameters for the specified isolation level. They will take effect only on the newly started transaction.

Specified by:

setTransactionParameters in interface FirebirdConnection

Parameters:

isolationLevel - JDBC isolation level.

parameters - array of TPB parameters, see all TPB_* constants.

Throws:

java.sql.SQLException - if specified transaction parameters cannot be set.

getTransactionParameters

public TransactionParameterBuffer getTransactionParameters(int isolationLevel)
                                                    throws java.sql.SQLException

Description copied from interface: FirebirdConnection

Get transaction parameters for the specified transaction isolation level.

Specified by:

getTransactionParameters in interface FirebirdConnection

Parameters:

isolationLevel - isolation level defined in the Connection interface.

Returns:

instance of TransactionParameterBuffer containing current transaction parameters.

Throws:

java.sql.SQLException - if error occured obtaining transaction parameters.

createTransactionParameterBuffer

public TransactionParameterBuffer createTransactionParameterBuffer()
                                                            throws java.sql.SQLException

Description copied from interface: FirebirdConnection

Create new instance of TransactionParameterBuffer.

Specified by:

createTransactionParameterBuffer in interface FirebirdConnection

Returns:

empty instance of TransactionParameterBuffer.

Throws:

java.sql.SQLException - if error occured during this operation.

setTransactionParameters

public void setTransactionParameters(int isolationLevel,
                                     TransactionParameterBuffer tpb)
                              throws java.sql.SQLException

Description copied from interface: FirebirdConnection

Set transaction parameters for the specified transaction isolation level. This method replaces the default TPB mapping with the specified one, changes will be effective from the next transaction start.

Specified by:

setTransactionParameters in interface FirebirdConnection

Parameters:

isolationLevel - isolation level defined in the Connection interface.

tpb - instance of TransactionParameterBuffer with parameters to set.

Throws:

java.sql.SQLException - if error occured during this operation.

setTransactionParameters

public void setTransactionParameters(TransactionParameterBuffer tpb)
                              throws java.sql.SQLException

Description copied from interface: FirebirdConnection

Set transaction parameters for the next transactions. This method does not change the TPB mapping, but replaces the mapping for the current transaction isolation until Connection.setTransactionIsolation(int) is called.

Method cannot be called when transaction has already started.

Specified by:

setTransactionParameters in interface FirebirdConnection

Parameters:

tpb - instance of TransactionParameterBuffer with new transaction parameters.

Throws:

java.sql.SQLException - if method is called within a transaction.

createStatement

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

Creates a Statement object for sending SQL statements to the database. SQL statements without parameters are normally executed using Statement objects. If the same SQL statement is executed many times, it is more efficient to use a PreparedStatement object.

Result sets created using the returned Statement object will by default have forward-only type and read-only concurrency.

Specified by:

createStatement in interface java.sql.Connection

Returns:

a new Statement object

Throws:

java.sql.SQLException - if a database access error occurs

prepareStatement

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

Creates a PreparedStatement object for sending parameterized SQL statements to the database. A SQL statement with or without IN parameters can be pre-compiled and stored in a PreparedStatement object. This object can then be used to efficiently execute this statement multiple times.

Note: This method is optimized for handling parametric SQL statements that benefit from precompilation. If the driver supports precompilation, the method prepareStatement will send the statement to the database for precompilation. Some drivers may not support precompilation. In this case, the statement may not be sent to the database until the PreparedStatement is executed. This has no direct effect on users; however, it does affect which method throws certain SQLExceptions. Result sets created using the returned PreparedStatement will have forward-only type and read-only concurrency, by default.

Specified by:

prepareStatement in interface java.sql.Connection

Parameters:

sql - a SQL statement that may contain one or more '?' IN parameter placeholders

Returns:

a new PreparedStatement object containing the pre-compiled statement

Throws:

java.sql.SQLException - if a database access error occurs

prepareCall

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

Creates a CallableStatement object for calling database stored procedures. The CallableStatement object provides methods for setting up its IN and OUT parameters, and methods for executing the call to a stored procedure.

Note: This method is optimized for handling stored procedure call statements. Some drivers may send the call statement to the database when the method prepareCall is done; others may wait until the CallableStatement object is executed. This has no direct effect on users; however, it does affect which method throws certain SQLExceptions. Result sets created using the returned CallableStatement will have forward-only type and read-only concurrency, by default.

Specified by:

prepareCall in interface java.sql.Connection

Parameters:

sql - a SQL statement that may contain one or more '?' parameter placeholders. Typically this statement is a JDBC function call escape string.

Returns:

a new CallableStatement object containing the pre-compiled SQL statement

Throws:

java.sql.SQLException - if a database access error occurs

createBlob

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

Description copied from interface: FirebirdConnection

Create Blob object.

Specified by:

createBlob in interface java.sql.Connection

Specified by:

createBlob in interface FirebirdConnection

Returns:

instance of FirebirdBlob.

Throws:

java.sql.SQLException - if something went wrong.

createClob

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

Specified by:

createClob in interface java.sql.Connection

Throws:

java.sql.SQLException

createStruct

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

Specified by:

createStruct in interface java.sql.Connection

Throws:

java.sql.SQLException

createArrayOf

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

Specified by:

createArrayOf in interface java.sql.Connection

Throws:

java.sql.SQLException

nativeSQL

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

Converts the given SQL statement into the system's native SQL grammar. A driver may convert the JDBC sql grammar into its system's native SQL grammar prior to sending it; this method returns the native form of the statement that the driver would have sent.

Specified by:

nativeSQL in interface java.sql.Connection

Parameters:

sql - a SQL statement that may contain one or more '?' parameter placeholders

Returns:

the native form of this statement

Throws:

java.sql.SQLException - if a database access error occurs

setAutoCommit

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

Sets this connection's auto-commit mode. If a connection is in auto-commit mode, then all its SQL statements will be executed and committed as individual transactions. Otherwise, its SQL statements are grouped into transactions that are terminated by a call to either the method commit or the method rollback. By default, new connections are in auto-commit mode. The commit occurs when the statement completes or the next execute occurs, whichever comes first. In the case of statements returning a ResultSet, the statement completes when the last row of the ResultSet has been retrieved or the ResultSet has been closed. In advanced cases, a single statement may return multiple results as well as output parameter values. In these cases the commit occurs when all results and output parameter values have been retrieved.

Specified by:

setAutoCommit in interface java.sql.Connection

Parameters:

autoCommit - true enables auto-commit; false disables auto-commit.

Throws:

java.sql.SQLException - if a database access error occurs

setManagedEnvironment

public void setManagedEnvironment(boolean managedConnection)
                           throws java.sql.SQLException

Throws:

java.sql.SQLException

getAutoCommit

public boolean getAutoCommit()
                      throws java.sql.SQLException

Gets the current auto-commit state.

Specified by:

getAutoCommit in interface java.sql.Connection

Returns:

the current state of auto-commit mode

Throws:

java.sql.SQLException - if a database access error occurs

See Also:

setAutoCommit(boolean)

commit

public void commit()
            throws java.sql.SQLException

Makes all changes made since the previous commit/rollback permanent and releases any database locks currently held by the Connection. This method should be used only when auto-commit mode has been disabled.

Specified by:

commit in interface java.sql.Connection

Throws:

java.sql.SQLException - if a database access error occurs

See Also:

setAutoCommit(boolean)

rollback

public void rollback()
              throws java.sql.SQLException

Drops all changes made since the previous commit/rollback and releases any database locks currently held by this Connection. This method should be used only when auto- commit has been disabled.

Specified by:

rollback in interface java.sql.Connection

Throws:

java.sql.SQLException - if a database access error occurs

See Also:

setAutoCommit(boolean)

invalidateTransactionLifetimeObjects

protected void invalidateTransactionLifetimeObjects()

Invalidate everything that should only last for the lifetime of the current transaction.

close

public void close()
           throws java.sql.SQLException

Releases a Connection's database and JDBC resources immediately instead of waiting for them to be automatically released.

Note: A Connection is automatically closed when it is garbage collected. Certain fatal errors also result in a closed Connection.

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.sql.Connection

Throws:

java.sql.SQLException - if a database access error occurs

isClosed

public boolean isClosed()

Tests to see if a Connection is closed.

Specified by:

isClosed in interface java.sql.Connection

Returns:

true if the connection is closed; false if it's still open

isValid

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

Specified by:

isValid in interface java.sql.Connection

Throws:

java.sql.SQLException

getMetaData

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

Gets the metadata regarding this connection's database. A Connection's database is able to provide information describing its tables, its supported SQL grammar, its stored procedures, the capabilities of this connection, and so on. This information is made available through a DatabaseMetaData object.

Specified by:

getMetaData in interface java.sql.Connection

Returns:

a DatabaseMetaData object for this Connection

Throws:

java.sql.SQLException - if a database access error occurs

setReadOnly

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

Puts this connection in read-only mode as a hint to enable database optimizations.

Note: This method cannot be called while in the middle of a transaction.

Specified by:

setReadOnly in interface java.sql.Connection

Parameters:

readOnly - true enables read-only mode; false disables read-only mode.

Throws:

java.sql.SQLException - if a database access error occurs

isReadOnly

public boolean isReadOnly()
                   throws java.sql.SQLException

Tests to see if the connection is in read-only mode.

Specified by:

isReadOnly in interface java.sql.Connection

Returns:

true if connection is read-only and false otherwise

Throws:

java.sql.SQLException - if a database access error occurs

setCatalog

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

Sets a catalog name in order to select a subspace of this Connection's database in which to work. If the driver does not support catalogs, it will silently ignore this request.

Specified by:

setCatalog in interface java.sql.Connection

Throws:

java.sql.SQLException - if a database access error occurs

getCatalog

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

Returns the Connection's current catalog name.

Specified by:

getCatalog in interface java.sql.Connection

Returns:

the current catalog name or null

Throws:

java.sql.SQLException - if a database access error occurs

setTransactionIsolation

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

Attempts to change the transaction isolation level to the one given. The constants defined in the interface Connection are the possible transaction isolation levels.

Calling this method will commit any current transaction.

Specified by:

setTransactionIsolation in interface java.sql.Connection

Parameters:

level - one of the TRANSACTION_* isolation values with the exception of TRANSACTION_NONE; some databases may not support other values

Throws:

java.sql.SQLException - if a database access error occurs

See Also:

DatabaseMetaData.supportsTransactionIsolationLevel(int)

getTransactionIsolation

public int getTransactionIsolation()
                            throws java.sql.SQLException

Gets this Connection's current transaction isolation level.

Specified by:

getTransactionIsolation in interface java.sql.Connection

Returns:

the current TRANSACTION_* mode value

Throws:

java.sql.SQLException - if a database access error occurs

getWarnings

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

Returns the first warning reported by calls on this Connection.

Note: Subsequent warnings will be chained to this SQLWarning.

Specified by:

getWarnings in interface java.sql.Connection

Returns:

the first SQLWarning or null

Throws:

java.sql.SQLException - if a database access error occurs

clearWarnings

public void clearWarnings()
                   throws java.sql.SQLException

Clears all warnings reported for this Connection object. After a call to this method, the method getWarnings returns null until a new warning is reported for this Connection.

Specified by:

clearWarnings in interface java.sql.Connection

Throws:

java.sql.SQLException - if a database access error occurs

createStatement

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

Creates a Statement object that will generate ResultSet objects with the given type and concurrency. This method is the same as the createStatement method above, but it allows the default result set type and result set concurrency type to be overridden.

Specified by:

createStatement in interface java.sql.Connection

Parameters:

resultSetType - a result set type; see ResultSet.TYPE_XXX

resultSetConcurrency - a concurrency type; see ResultSet.CONCUR_XXX

Returns:

a new Statement object

Throws:

java.sql.SQLException - if a database access error occurs

Since:

1.2

See Also:

What Is in the JDBC 2.0 API

createStatement

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

Creates a Statement object that will generate ResultSet objects with the given type, concurrency, and holdability. This method is the same as the createStatement method above, but it allows the default result set type, concurrency, and holdability to be overridden.

Specified by:

createStatement in interface java.sql.Connection

Parameters:

resultSetType - one of the following ResultSet constants: ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE

resultSetConcurrency - one of the following ResultSet constants: ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE

resultSetHoldability - one of the following ResultSet constants: ResultSet.HOLD_CURSORS_OVER_COMMIT or ResultSet.CLOSE_CURSORS_AT_COMMIT

Returns:

a new Statement object that will generate ResultSet objects with the given type, concurrency, and holdability

Throws:

java.sql.SQLException - if a database access error occurs or the given parameters are not ResultSet constants indicating type, concurrency, and holdability

Since:

1.4

See Also:

ResultSet

prepareStatement

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

Creates a PreparedStatement object that will generate ResultSet objects with the given type and concurrency. This method is the same as the prepareStatement method above, but it allows the default result set type and result set concurrency type to be overridden.

Specified by:

prepareStatement in interface java.sql.Connection

Parameters:

resultSetType - a result set type; see ResultSet.TYPE_XXX

resultSetConcurrency - a concurrency type; see ResultSet.CONCUR_XXX

Returns:

a new PreparedStatement object containing the pre-compiled SQL statement

Throws:

java.sql.SQLException - if a database access error occurs

Since:

1.2

See Also:

What Is in the JDBC 2.0 API

prepareStatement

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

Creates a PreparedStatement object that will generate ResultSet objects with the given type, concurrency, and holdability.

This method is the same as the prepareStatement method above, but it allows the default result set type, concurrency, and holdability to be overridden.

Specified by:

prepareStatement in interface java.sql.Connection

Parameters:

sql - a String object that is the SQL statement to be sent to the database; may contain one or more '?' IN parameters

resultSetType - one of the following ResultSet constants: ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE

resultSetConcurrency - one of the following ResultSet constants: ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE

resultSetHoldability - one of the following ResultSet constants: ResultSet.HOLD_CURSORS_OVER_COMMIT or ResultSet.CLOSE_CURSORS_AT_COMMIT

Returns:

a new PreparedStatement object, containing the pre-compiled SQL statement, that will generate ResultSet objects with the given type, concurrency, and holdability

Throws:

java.sql.SQLException - if a database access error occurs, this method is called on a closed connection or the given parameters are not ResultSet constants indicating type, concurrency, and holdability

java.sql.SQLFeatureNotSupportedException - if the JDBC driver does not support this method or this method is not supported for the specified result set type, result set holdability and result set concurrency.

Since:

1.4

See Also:

ResultSet

prepareMetaDataStatement

protected java.sql.PreparedStatement prepareMetaDataStatement(java.lang.String sql,
                                                              int resultSetType,
                                                              int resultSetConcurrency)
                                                       throws java.sql.SQLException

Throws:

java.sql.SQLException

prepareStatement

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

Creates a default PreparedStatement object that has the capability to retrieve auto-generated keys. The given constant tells the driver whether it should make auto-generated keys available for retrieval. This parameter is ignored if the SQL statement is not an INSERT statement, or an SQL statement able to return auto-generated keys (the list of such statements is vendor-specific).

Note: This method is optimized for handling parametric SQL statements that benefit from precompilation. If the driver supports precompilation, the method prepareStatement will send the statement to the database for precompilation. Some drivers may not support precompilation. In this case, the statement may not be sent to the database until the PreparedStatement object is executed. This has no direct effect on users; however, it does affect which methods throw certain SQLExceptions.

Result sets created using the returned PreparedStatement object will by default be type TYPE_FORWARD_ONLY and have a concurrency level of CONCUR_READ_ONLY. The holdability of the created result sets can be determined by calling getHoldability().

Specified by:

prepareStatement in interface java.sql.Connection

Parameters:

sql - an SQL statement that may contain one or more '?' IN parameter placeholders

autoGeneratedKeys - a flag indicating whether auto-generated keys should be returned; one of Statement.RETURN_GENERATED_KEYS or Statement.NO_GENERATED_KEYS

Returns:

a new PreparedStatement object, containing the pre-compiled SQL statement, that will have the capability of returning auto-generated keys

Throws:

java.sql.SQLException - if a database access error occurs, this method is called on a closed connection or the given parameter is not a Statement constant indicating whether auto-generated keys should be returned

java.sql.SQLFeatureNotSupportedException - if the JDBC driver does not support this method with a constant of Statement.RETURN_GENERATED_KEYS

Since:

1.4

prepareStatement

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

Creates a default PreparedStatement object capable of returning the auto-generated keys designated by the given array. This array contains the indexes of the columns in the target table that contain the auto-generated keys that should be made available. The driver will ignore the array if the SQL statement is not an INSERT statement, or an SQL statement able to return auto-generated keys (the list of such statements is vendor-specific).

An SQL statement with or without IN parameters can be pre-compiled and stored in a PreparedStatement object. This object can then be used to efficiently execute this statement multiple times.

Note: This method is optimized for handling parametric SQL statements that benefit from precompilation. If the driver supports precompilation, the method prepareStatement will send the statement to the database for precompilation. Some drivers may not support precompilation. In this case, the statement may not be sent to the database until the PreparedStatement object is executed. This has no direct effect on users; however, it does affect which methods throw certain SQLExceptions.

Result sets created using the returned PreparedStatement object will by default be type TYPE_FORWARD_ONLY and have a concurrency level of CONCUR_READ_ONLY. The holdability of the created result sets can be determined by calling getHoldability().

Specified by:

prepareStatement in interface java.sql.Connection

Parameters:

sql - an SQL statement that may contain one or more '?' IN parameter placeholders

columnIndexes - an array of column indexes indicating the columns that should be returned from the inserted row or rows

Returns:

a new PreparedStatement object, containing the pre-compiled statement, that is capable of returning the auto-generated keys designated by the given array of column indexes

Throws:

java.sql.SQLException - if a database access error occurs or this method is called on a closed connection

java.sql.SQLFeatureNotSupportedException - if the JDBC driver does not support this method

Since:

1.4

prepareStatement

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

Creates a default PreparedStatement object capable of returning the auto-generated keys designated by the given array. This array contains the names of the columns in the target table that contain the auto-generated keys that should be returned. The driver will ignore the array if the SQL statement is not an INSERT statement, or an SQL statement able to return auto-generated keys (the list of such statements is vendor-specific).

An SQL statement with or without IN parameters can be pre-compiled and stored in a PreparedStatement object. This object can then be used to efficiently execute this statement multiple times.

Note: This method is optimized for handling parametric SQL statements that benefit from precompilation. If the driver supports precompilation, the method prepareStatement will send the statement to the database for precompilation. Some drivers may not support precompilation. In this case, the statement may not be sent to the database until the PreparedStatement object is executed. This has no direct effect on users; however, it does affect which methods throw certain SQLExceptions.

Result sets created using the returned PreparedStatement object will by default be type TYPE_FORWARD_ONLY and have a concurrency level of CONCUR_READ_ONLY. The holdability of the created result sets can be determined by calling getHoldability().

Specified by:

prepareStatement in interface java.sql.Connection

Parameters:

sql - an SQL statement that may contain one or more '?' IN parameter placeholders

columnNames - an array of column names indicating the columns that should be returned from the inserted row or rows

Returns:

a new PreparedStatement object, containing the pre-compiled statement, that is capable of returning the auto-generated keys designated by the given array of column names

Throws:

java.sql.SQLException - if a database access error occurs or this method is called on a closed connection

java.sql.SQLFeatureNotSupportedException - if the JDBC driver does not support this method

Since:

1.4

checkAutoGeneratedKeysSupport

protected void checkAutoGeneratedKeysSupport()
                                      throws java.sql.SQLException

Helper method to check support of autoGeneratedKeys

Throws:

java.sql.SQLException - If the feature is not supported, or if an error occurred retrieving the server version.

prepareStatement

protected java.sql.PreparedStatement prepareStatement(java.lang.String sql,
                                                      int resultSetType,
                                                      int resultSetConcurrency,
                                                      int resultSetHoldability,
                                                      boolean metaData,
                                                      boolean generatedKeys)
                                               throws java.sql.SQLException

Throws:

java.sql.SQLException

prepareCall

public java.sql.CallableStatement prepareCall(java.lang.String sql,
                                              int resultSetType,
                                              int resultSetConcurrency)
                                       throws java.sql.SQLException

Creates a CallableStatement object that will generate ResultSet objects with the given type and concurrency. This method is the same as the prepareCall method above, but it allows the default result set type and result set concurrency type to be overridden.

Specified by:

prepareCall in interface java.sql.Connection

Parameters:

resultSetType - a result set type; see ResultSet.TYPE_XXX

resultSetConcurrency - a concurrency type; see ResultSet.CONCUR_XXX

Returns:

a new CallableStatement object containing the pre-compiled SQL statement

Throws:

java.sql.SQLException - if a database access error occurs

Since:

1.2

See Also:

What Is in the JDBC 2.0 API

prepareCall

public java.sql.CallableStatement prepareCall(java.lang.String sql,
                                              int resultSetType,
                                              int resultSetConcurrency,
                                              int resultSetHoldability)
                                       throws java.sql.SQLException

Specified by:

prepareCall in interface java.sql.Connection

Throws:

java.sql.SQLException

getTypeMap

public java.util.Map getTypeMap()
                         throws java.sql.SQLException

Gets the type map object associated with this connection. Unless the application has added an entry to the type map, the map returned will be empty.

Specified by:

getTypeMap in interface java.sql.Connection

Returns:

the java.util.Map object associated with this Connection object

Throws:

java.sql.SQLException

Since:

1.2

See Also:

What Is in the JDBC 2.0 API

setTypeMap

public void setTypeMap(java.util.Map map)
                throws java.sql.SQLException

Installs the given type map as the type map for this connection. The type map will be used for the custom mapping of SQL structured types and distinct types.

Specified by:

setTypeMap in interface java.sql.Connection

Parameters:

map - the java.util.Map object to install as the replacement for this Connection object's default type map

Throws:

java.sql.SQLException

Since:

1.2

See Also:

What Is in the JDBC 2.0 API

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 name)
                                throws java.sql.SQLException

Specified by:

setSavepoint 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

releaseSavepoint

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

Specified by:

releaseSavepoint in interface java.sql.Connection

Throws:

java.sql.SQLException

setFirebirdSavepoint

@Deprecated
public FirebirdSavepoint setFirebirdSavepoint()
                                                    throws java.sql.SQLException

Deprecated. This method will be removed in Jaybird 2.3, use Connection.setSavepoint()

Creates an unnamed savepoint in the current transaction and returns the new Savepoint object that represents it.

Specified by:

setFirebirdSavepoint in interface FirebirdConnection

Returns:

the new Savepoint object

Throws:

java.sql.SQLException - if a database access error occurs or this Connection object is currently in auto-commit mode

See Also:

Savepoint

setFirebirdSavepoint

@Deprecated
public FirebirdSavepoint setFirebirdSavepoint(java.lang.String name)
                                                    throws java.sql.SQLException

Deprecated. This method will be removed in Jaybird 2.3, use Connection.setSavepoint()

Creates a savepoint with the given name in the current transaction and returns the new Savepoint object that represents it.

Specified by:

setFirebirdSavepoint in interface FirebirdConnection

Parameters:

name - a String containing the name of the savepoint

Returns:

the new Savepoint object

Throws:

java.sql.SQLException - if a database access error occurs or this Connection object is currently in auto-commit mode

See Also:

Savepoint

rollback

@Deprecated
public void rollback(FirebirdSavepoint savepoint)
                           throws java.sql.SQLException

Deprecated. This method will be removed in Jaybird 2.3, use Connection.rollback(Savepoint)

Undoes all changes made after the given Savepoint object was set.

This method should be used only when auto-commit has been disabled.

Specified by:

rollback in interface FirebirdConnection

Parameters:

savepoint - the Savepoint object to roll back to

Throws:

java.sql.SQLException - if a database access error occurs, the Savepoint object is no longer valid, or this Connection object is currently in auto-commit mode

See Also:

Savepoint, rollback()

releaseSavepoint

@Deprecated
public void releaseSavepoint(FirebirdSavepoint savepoint)
                                   throws java.sql.SQLException

Deprecated. This method will be removed in Jaybird 2.3, use Connection.releaseSavepoint(Savepoint)

Removes the given Savepoint object from the current transaction. Any reference to the savepoint after it have been removed will cause an SQLException to be thrown.

Specified by:

releaseSavepoint in interface FirebirdConnection

Parameters:

savepoint - the Savepoint object to be removed

Throws:

java.sql.SQLException - if a database access error occurs or the given Savepoint object is not a valid savepoint in the current transaction

invalidateSavepoints

protected void invalidateSavepoints()

Invalidate all savepoints.

getLocalTransaction

public FirebirdLocalTransaction getLocalTransaction()

Returns a FBLocalTransaction instance that enables a component to demarcate resource manager local transactions on this connection.

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

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

inTransaction

public boolean inTransaction()
                      throws java.sql.SQLException

Check if this connection is currently involved in a transaction

Throws:

java.sql.SQLException

getIscEncoding

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

Get the encoding that is being used for this connection.

Specified by:

getIscEncoding in interface FirebirdConnection

Returns:

The name of the encoding used

Throws:

java.sql.SQLException

addWarning

protected void addWarning(java.sql.SQLWarning warning)

getGDSHelper

public org.firebirdsql.gds.impl.GDSHelper getGDSHelper()
                                                throws GDSException

Throws:

GDSException

getSynchronizationObject

public final java.lang.Object getSynchronizationObject()

Description copied from interface: Synchronizable

Get synchronization object.

Specified by:

getSynchronizationObject in interface Synchronizable

Returns:

object, cannot be null.

isUseFirebirdAutoCommit

public boolean isUseFirebirdAutoCommit()

Specified by:

isUseFirebirdAutoCommit in interface FirebirdConnection

Returns:

true if this connection is configured to use isc_tpb_autocommit when in auto commit.

finalize

protected void finalize()
                 throws java.lang.Throwable

Overrides:

finalize in class java.lang.Object

Throws:

java.lang.Throwable