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java.lang.Objectnet.sf.log4jdbc.ConnectionSpy
Wraps a JDBC Connection and reports method calls, returns and exceptions.
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| Field Summary |
| Fields inherited from interface java.sql.Connection |
TRANSACTION_NONE, TRANSACTION_READ_COMMITTED, TRANSACTION_READ_UNCOMMITTED, TRANSACTION_REPEATABLE_READ, TRANSACTION_SERIALIZABLE |
| Constructor Summary | |
ConnectionSpy(Connection realConnection)
Create a new ConnectionSpy that wraps a given Connection. |
|
ConnectionSpy(Connection realConnection,
net.sf.log4jdbc.RdbmsSpecifics rdbmsSpecifics)
Create a new ConnectionSpy that wraps a given Connection. |
|
| Method Summary | |
void |
clearWarnings()
Clears all warnings reported for this Connection object. |
void |
close()
Releases this Connection object'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 this Connection object. |
Statement |
createStatement()
Creates a Statement object for sending
SQL statements to the database. |
Statement |
createStatement(int resultSetType,
int resultSetConcurrency)
Creates a Statement object that will generate
ResultSet objects with the given type and concurrency. |
Statement |
createStatement(int resultSetType,
int resultSetConcurrency,
int resultSetHoldability)
Creates a Statement object that will generate
ResultSet objects with the given type, concurrency,
and holdability. |
boolean |
getAutoCommit()
Retrieves the current auto-commit mode for this Connection
object. |
String |
getCatalog()
Retrieves this Connection object's current catalog name. |
String |
getClassType()
Get the type of class being spied upon. |
int |
getConnectionNumber()
Get the connection number. |
int |
getHoldability()
Retrieves the current holdability of ResultSet objects
created using this Connection object. |
DatabaseMetaData |
getMetaData()
Retrieves a DatabaseMetaData object that contains
metadata about the database to which this
Connection object represents a connection. |
int |
getTransactionIsolation()
Retrieves this Connection object's current
transaction isolation level. |
Map |
getTypeMap()
Retrieves the Map object associated with this
Connection object. |
SQLWarning |
getWarnings()
Retrieves the first warning reported by calls on this Connection object. |
boolean |
isClosed()
Retrieves whether this Connection object has been
closed. |
boolean |
isReadOnly()
Retrieves whether this Connection
object is in read-only mode. |
String |
nativeSQL(String sql)
Converts the given SQL statement into the system's native SQL grammar. |
CallableStatement |
prepareCall(String sql)
Creates a CallableStatement object for calling
database stored procedures. |
CallableStatement |
prepareCall(String sql,
int resultSetType,
int resultSetConcurrency)
Creates a CallableStatement object that will generate
ResultSet objects with the given type and concurrency. |
CallableStatement |
prepareCall(String sql,
int resultSetType,
int resultSetConcurrency,
int resultSetHoldability)
Creates a CallableStatement object that will generate
ResultSet objects with the given type and concurrency. |
PreparedStatement |
prepareStatement(String sql)
Creates a PreparedStatement object for sending
parameterized SQL statements to the database. |
PreparedStatement |
prepareStatement(String sql,
int autoGeneratedKeys)
Creates a default PreparedStatement object that has
the capability to retrieve auto-generated keys. |
PreparedStatement |
prepareStatement(String sql,
int[] columnIndexes)
Creates a default PreparedStatement object capable
of returning the auto-generated keys designated by the given array. |
PreparedStatement |
prepareStatement(String sql,
int resultSetType,
int resultSetConcurrency)
Creates a PreparedStatement object that will generate
ResultSet objects with the given type and concurrency. |
PreparedStatement |
prepareStatement(String sql,
int resultSetType,
int resultSetConcurrency,
int resultSetHoldability)
Creates a PreparedStatement object that will generate
ResultSet objects with the given type, concurrency,
and holdability. |
PreparedStatement |
prepareStatement(String sql,
String[] columnNames)
Creates a default PreparedStatement object capable
of returning the auto-generated keys designated by the given array. |
void |
releaseSavepoint(Savepoint savepoint)
Removes the given Savepoint object from the current
transaction. |
protected void |
reportAllReturns(String methodCall,
String returnValue)
|
protected void |
reportException(String methodCall,
SQLException exception)
|
protected void |
reportException(String methodCall,
SQLException exception,
String sql)
|
void |
rollback()
Undoes all changes made in the current transaction and releases any database locks currently held by this Connection object. |
void |
rollback(Savepoint savepoint)
Undoes all changes made after the given Savepoint object
was set. |
void |
setAutoCommit(boolean autoCommit)
Sets this connection's auto-commit mode to the given state. |
void |
setCatalog(String catalog)
Sets the given catalog name in order to select a subspace of this Connection object's database
in which to work. |
void |
setHoldability(int holdability)
Changes the holdability of ResultSet objects
created using this Connection object to the given
holdability. |
void |
setReadOnly(boolean readOnly)
Puts this connection in read-only mode as a hint to the driver to enable database optimizations. |
Savepoint |
setSavepoint()
Creates an unnamed savepoint in the current transaction and returns the new Savepoint object that represents it. |
Savepoint |
setSavepoint(String name)
Creates a savepoint with the given name in the current transaction and returns the new Savepoint object that represents it. |
void |
setTransactionIsolation(int level)
Attempts to change the transaction isolation level for this Connection object to the one given. |
void |
setTypeMap(Map map)
Installs the given TypeMap object as the type map for
this Connection object. |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
public ConnectionSpy(Connection realConnection)
realConnection - "real" Connection that this ConnectionSpy wraps.
public ConnectionSpy(Connection realConnection,
net.sf.log4jdbc.RdbmsSpecifics rdbmsSpecifics)
realConnection - "real" Connection that this ConnectionSpy wraps.rdbmsSpecifics - the RdbmsSpecifics object for formatting logging appropriate for the Rdbms used.| Method Detail |
public int getConnectionNumber()
Spy
getConnectionNumber in interface Spypublic String getClassType()
Spy
getClassType in interface Spy
protected void reportException(String methodCall,
SQLException exception,
String sql)
protected void reportException(String methodCall,
SQLException exception)
protected void reportAllReturns(String methodCall,
String returnValue)
public boolean isClosed()
throws SQLException
ConnectionConnection object has been
closed. A connection is closed if the method close
has been called on it or if certain fatal errors have occurred.
This method is guaranteed to return true only when
it is called after the method Connection.close has
been called.
This method generally cannot be called to determine whether a connection to a database is valid or invalid. A typical client can determine that a connection is invalid by catching any exceptions that might be thrown when an operation is attempted.
isClosed in interface ConnectionSQLException
true if this Connection object
is closed; false if it is still open
public SQLWarning getWarnings()
throws SQLException
ConnectionConnection object. If there is more than one
warning, subsequent warnings will be chained to the first one
and can be retrieved by calling the method
SQLWarning.getNextWarning on the warning
that was retrieved previously.
This method may not be
called on a closed connection; doing so will cause an
SQLException to be thrown.
Note: Subsequent warnings will be chained to this SQLWarning.
getWarnings in interface ConnectionSQLException
SQLWarning object or null
if there are noneSQLWarning
public Savepoint setSavepoint()
throws SQLException
ConnectionSavepoint object that represents it.
setSavepoint in interface ConnectionSQLException
Savepoint objectSavepoint
public void releaseSavepoint(Savepoint savepoint)
throws SQLException
ConnectionSavepoint object from the current
transaction. Any reference to the savepoint after it have been removed
will cause an SQLException to be thrown.
releaseSavepoint in interface ConnectionSQLExceptionsavepoint - the Savepoint object to be removed
public void rollback(Savepoint savepoint)
throws SQLException
ConnectionSavepoint object
was set.
This method should be used only when auto-commit has been disabled.
rollback in interface ConnectionSQLExceptionsavepoint - the Savepoint object to roll back toSavepoint,
Connection.rollback()
public DatabaseMetaData getMetaData()
throws SQLException
ConnectionDatabaseMetaData object that contains
metadata about the database to which this
Connection object represents a connection.
The metadata includes information about the database's
tables, its supported SQL grammar, its stored
procedures, the capabilities of this connection, and so on.
getMetaData in interface ConnectionSQLException
DatabaseMetaData object for this
Connection object
public void clearWarnings()
throws SQLException
ConnectionConnection object.
After a call to this method, the method getWarnings
returns null until a new warning is
reported for this Connection object.
clearWarnings in interface ConnectionSQLException
public Statement createStatement()
throws SQLException
ConnectionStatement 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 may be more efficient to use a
PreparedStatement object.
Result sets created using the returned Statement
object will by default be type TYPE_FORWARD_ONLY
and have a concurrency level of CONCUR_READ_ONLY.
createStatement in interface ConnectionSQLException
Statement object
public Statement createStatement(int resultSetType,
int resultSetConcurrency)
throws SQLException
ConnectionStatement 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 concurrency to be overridden.
createStatement in interface ConnectionSQLExceptionresultSetType - a result set type; one of
ResultSet.TYPE_FORWARD_ONLY,
ResultSet.TYPE_SCROLL_INSENSITIVE, or
ResultSet.TYPE_SCROLL_SENSITIVEresultSetConcurrency - a concurrency type; one of
ResultSet.CONCUR_READ_ONLY or
ResultSet.CONCUR_UPDATABLE
Statement object that will generate
ResultSet objects with the given type and
concurrency
public Statement createStatement(int resultSetType,
int resultSetConcurrency,
int resultSetHoldability)
throws SQLException
ConnectionStatement 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.
createStatement in interface ConnectionSQLExceptionresultSetType - one of the following ResultSet
constants:
ResultSet.TYPE_FORWARD_ONLY,
ResultSet.TYPE_SCROLL_INSENSITIVE, or
ResultSet.TYPE_SCROLL_SENSITIVEresultSetConcurrency - one of the following ResultSet
constants:
ResultSet.CONCUR_READ_ONLY or
ResultSet.CONCUR_UPDATABLEresultSetHoldability - one of the following ResultSet
constants:
ResultSet.HOLD_CURSORS_OVER_COMMIT or
ResultSet.CLOSE_CURSORS_AT_COMMIT
Statement object that will generate
ResultSet objects with the given type,
concurrency, and holdabilityResultSet
public void setReadOnly(boolean readOnly)
throws SQLException
ConnectionNote: This method cannot be called during a transaction.
setReadOnly in interface ConnectionSQLExceptionreadOnly - true enables read-only mode;
false disables it
public PreparedStatement prepareStatement(String sql)
throws SQLException
ConnectionPreparedStatement 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
object is executed. This has no direct effect on users; however, it does
affect which methods throw certain SQLException objects.
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.
prepareStatement in interface ConnectionSQLExceptionsql - an SQL statement that may contain one or more '?' IN
parameter placeholders
PreparedStatement object containing the
pre-compiled SQL statement
public PreparedStatement prepareStatement(String sql,
int autoGeneratedKeys)
throws SQLException
ConnectionPreparedStatement 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.
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.
prepareStatement in interface ConnectionSQLExceptionsql - an SQL statement that may contain one or more '?' IN
parameter placeholdersautoGeneratedKeys - a flag indicating whether auto-generated keys
should be returned; one of
Statement.RETURN_GENERATED_KEYS or
Statement.NO_GENERATED_KEYS
PreparedStatement object, containing the
pre-compiled SQL statement, that will have the capability of
returning auto-generated keys
public PreparedStatement prepareStatement(String sql,
int resultSetType,
int resultSetConcurrency)
throws SQLException
ConnectionPreparedStatement 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 concurrency to be overridden.
prepareStatement in interface ConnectionSQLExceptionsql - a String object that is the SQL statement to
be sent to the database; may contain one or more ? IN
parametersresultSetType - a result set type; one of
ResultSet.TYPE_FORWARD_ONLY,
ResultSet.TYPE_SCROLL_INSENSITIVE, or
ResultSet.TYPE_SCROLL_SENSITIVEresultSetConcurrency - a concurrency type; one of
ResultSet.CONCUR_READ_ONLY or
ResultSet.CONCUR_UPDATABLE
ResultSet
objects with the given type and concurrency
public PreparedStatement prepareStatement(String sql,
int resultSetType,
int resultSetConcurrency,
int resultSetHoldability)
throws SQLException
ConnectionPreparedStatement 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.
prepareStatement in interface ConnectionSQLExceptionsql - a String object that is the SQL statement to
be sent to the database; may contain one or more ? IN
parametersresultSetType - one of the following ResultSet
constants:
ResultSet.TYPE_FORWARD_ONLY,
ResultSet.TYPE_SCROLL_INSENSITIVE, or
ResultSet.TYPE_SCROLL_SENSITIVEresultSetConcurrency - one of the following ResultSet
constants:
ResultSet.CONCUR_READ_ONLY or
ResultSet.CONCUR_UPDATABLEresultSetHoldability - one of the following ResultSet
constants:
ResultSet.HOLD_CURSORS_OVER_COMMIT or
ResultSet.CLOSE_CURSORS_AT_COMMIT
PreparedStatement object, containing the
pre-compiled SQL statement, that will generate
ResultSet objects with the given type,
concurrency, and holdabilityResultSet
public PreparedStatement prepareStatement(String sql,
int[] columnIndexes)
throws SQLException
ConnectionPreparedStatement 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. This array is ignored if the SQL
statement is not an INSERT statement.
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.
prepareStatement in interface ConnectionSQLExceptionsql - an SQL statement that may contain one or more '?' IN
parameter placeholderscolumnIndexes - an array of column indexes indicating the columns
that should be returned from the inserted row or rows
PreparedStatement object, containing the
pre-compiled statement, that is capable of returning the
auto-generated keys designated by the given array of column
indexes
public Savepoint setSavepoint(String name)
throws SQLException
ConnectionSavepoint object that represents it.
setSavepoint in interface ConnectionSQLExceptionname - a String containing the name of the savepoint
Savepoint objectSavepoint
public PreparedStatement prepareStatement(String sql,
String[] columnNames)
throws SQLException
ConnectionPreparedStatement 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.
This array is ignored if the SQL
statement is not an INSERT statement.
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.
prepareStatement in interface ConnectionSQLExceptionsql - an SQL statement that may contain one or more '?' IN
parameter placeholderscolumnNames - an array of column names indicating the columns
that should be returned from the inserted row or rows
PreparedStatement object, containing the
pre-compiled statement, that is capable of returning the
auto-generated keys designated by the given array of column
names
public boolean isReadOnly()
throws SQLException
ConnectionConnection
object is in read-only mode.
isReadOnly in interface ConnectionSQLException
true if this Connection object
is read-only; false otherwise
public void setHoldability(int holdability)
throws SQLException
ConnectionResultSet objects
created using this Connection object to the given
holdability.
setHoldability in interface ConnectionSQLExceptionholdability - a ResultSet holdability constant; one of
ResultSet.HOLD_CURSORS_OVER_COMMIT or
ResultSet.CLOSE_CURSORS_AT_COMMITConnection.getHoldability(),
ResultSet
public CallableStatement prepareCall(String sql)
throws SQLException
ConnectionCallableStatement 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
object will by default be type TYPE_FORWARD_ONLY
and have a concurrency level of CONCUR_READ_ONLY.
prepareCall in interface ConnectionSQLExceptionsql - an SQL statement that may contain one or more '?'
parameter placeholders. Typically this statement is a JDBC
function call escape string.
CallableStatement object containing the
pre-compiled SQL statement
public CallableStatement prepareCall(String sql,
int resultSetType,
int resultSetConcurrency)
throws SQLException
ConnectionCallableStatement 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 concurrency to be overridden.
prepareCall in interface ConnectionSQLExceptionsql - a String object that is the SQL statement to
be sent to the database; may contain on or more ? parametersresultSetType - a result set type; one of
ResultSet.TYPE_FORWARD_ONLY,
ResultSet.TYPE_SCROLL_INSENSITIVE, or
ResultSet.TYPE_SCROLL_SENSITIVEresultSetConcurrency - a concurrency type; one of
ResultSet.CONCUR_READ_ONLY or
ResultSet.CONCUR_UPDATABLE
CallableStatement object containing the
pre-compiled SQL statement that will produce ResultSet
objects with the given type and concurrency
public CallableStatement prepareCall(String sql,
int resultSetType,
int resultSetConcurrency,
int resultSetHoldability)
throws SQLException
ConnectionCallableStatement 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, result set concurrency type and holdability to be overridden.
prepareCall in interface ConnectionSQLExceptionsql - a String object that is the SQL statement to
be sent to the database; may contain on or more ? parametersresultSetType - one of the following ResultSet
constants:
ResultSet.TYPE_FORWARD_ONLY,
ResultSet.TYPE_SCROLL_INSENSITIVE, or
ResultSet.TYPE_SCROLL_SENSITIVEresultSetConcurrency - one of the following ResultSet
constants:
ResultSet.CONCUR_READ_ONLY or
ResultSet.CONCUR_UPDATABLEresultSetHoldability - one of the following ResultSet
constants:
ResultSet.HOLD_CURSORS_OVER_COMMIT or
ResultSet.CLOSE_CURSORS_AT_COMMIT
CallableStatement object, containing the
pre-compiled SQL statement, that will generate
ResultSet objects with the given type,
concurrency, and holdabilityResultSet
public void setCatalog(String catalog)
throws SQLException
ConnectionConnection object's database
in which to work.
If the driver does not support catalogs, it will silently ignore this request.
setCatalog in interface ConnectionSQLExceptioncatalog - the name of a catalog (subspace in this
Connection object's database) in which to workConnection.getCatalog()
public String nativeSQL(String sql)
throws SQLException
Connection
nativeSQL in interface ConnectionSQLExceptionsql - an SQL statement that may contain one or more '?'
parameter placeholders
public Map getTypeMap()
throws SQLException
ConnectionMap object associated with this
Connection object.
Unless the application has added an entry, the type map returned
will be empty.
getTypeMap in interface ConnectionSQLException
java.util.Map object associated
with this Connection objectConnection.setTypeMap(java.util.Map)
public void setAutoCommit(boolean autoCommit)
throws SQLException
Connectioncommit 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 object,
the statement completes when the last row of the
ResultSet object has been retrieved or the
ResultSet object 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.
NOTE: If this method is called during a transaction, the transaction is committed.
setAutoCommit in interface ConnectionSQLExceptionautoCommit - true to enable auto-commit mode;
false to disable itConnection.getAutoCommit()
public String getCatalog()
throws SQLException
ConnectionConnection object's current catalog name.
getCatalog in interface ConnectionSQLException
null if there is noneConnection.setCatalog(java.lang.String)
public void setTypeMap(Map map)
throws SQLException
ConnectionTypeMap object as the type map for
this Connection object. The type map will be used for the
custom mapping of SQL structured types and distinct types.
setTypeMap in interface ConnectionSQLExceptionmap - the java.util.Map object to install
as the replacement for this Connection
object's default type mapConnection.getTypeMap()
public void setTransactionIsolation(int level)
throws SQLException
ConnectionConnection object to the one given.
The constants defined in the interface Connection
are the possible transaction isolation levels.
Note: If this method is called during a transaction, the result is implementation-defined.
setTransactionIsolation in interface ConnectionSQLExceptionlevel - one of the following Connection constants:
Connection.TRANSACTION_READ_UNCOMMITTED,
Connection.TRANSACTION_READ_COMMITTED,
Connection.TRANSACTION_REPEATABLE_READ, or
Connection.TRANSACTION_SERIALIZABLE.
(Note that Connection.TRANSACTION_NONE cannot be used
because it specifies that transactions are not supported.)DatabaseMetaData.supportsTransactionIsolationLevel(int),
Connection.getTransactionIsolation()
public boolean getAutoCommit()
throws SQLException
ConnectionConnection
object.
getAutoCommit in interface ConnectionSQLException
Connection object's
auto-commit modeConnection.setAutoCommit(boolean)
public int getHoldability()
throws SQLException
ConnectionResultSet objects
created using this Connection object.
getHoldability in interface ConnectionSQLException
ResultSet.HOLD_CURSORS_OVER_COMMIT or
ResultSet.CLOSE_CURSORS_AT_COMMITConnection.setHoldability(int),
ResultSet
public int getTransactionIsolation()
throws SQLException
ConnectionConnection object's current
transaction isolation level.
getTransactionIsolation in interface ConnectionSQLException
Connection.TRANSACTION_READ_UNCOMMITTED,
Connection.TRANSACTION_READ_COMMITTED,
Connection.TRANSACTION_REPEATABLE_READ,
Connection.TRANSACTION_SERIALIZABLE, or
Connection.TRANSACTION_NONE.Connection.setTransactionIsolation(int)
public void commit()
throws SQLException
ConnectionConnection object.
This method should be
used only when auto-commit mode has been disabled.
commit in interface ConnectionSQLExceptionConnection.setAutoCommit(boolean)
public void rollback()
throws SQLException
ConnectionConnection object. This method should be
used only when auto-commit mode has been disabled.
rollback in interface ConnectionSQLExceptionConnection.setAutoCommit(boolean)
public void close()
throws SQLException
ConnectionConnection object's database and JDBC resources
immediately instead of waiting for them to be automatically released.
Calling the method close on a Connection
object that is already closed is a no-op.
Note: A Connection object is automatically
closed when it is garbage collected. Certain fatal errors also
close a Connection object.
close in interface ConnectionSQLException
|
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