Apache Derby Client JDBC Driver 10.17.1.0 · org.apache.derby.client.net.NetConnection

Modifier and Type	Field and Description
private final boolean	closeStatementsOnClose
private boolean	connectionNull
pack-priv byte[]	crrtkn_
protected int	currXACallInfoOffset_
private transient char[]	deferredResetPassword_
private String	extnam_
private List<Xid>	indoubtTransactions_
private PreparedStatement	isValidStmt Prepared statement that is used each time isValid() is called on this connection.
private static final MessageUtil	msgutil
protected NetAgent	netAgent_
private final ClientPooledConnection	pooledConnection_
private ByteBuffer	prddta_
private transient byte[]	publicKey_
private int	securityMechanism_
private transient byte[]	sourceSeed_
protected int	targetAgent_
protected int	targetCmnappc_
protected int	targetCmntcpip_
private transient byte[]	targetPublicKey_
protected int	targetRdb_
protected int	targetRsyncmgr_
private int	targetSecmec_
pack-priv int	targetSecmgr_
private transient byte[]	targetSeed_
pack-priv String	targetSrvclsnm_
pack-priv String	targetSrvrlslv_
protected int	targetSyncptmgr_
protected int	targetUnicodemgr_
protected int	targetXamgr_
protected NetXAResource	xares_

Access	Constructor and Description
pack-priv	NetConnection(LogWriter logWriter, int driverManagerLoginTimeout, String serverName, int portNumber, String databaseName, Properties properties)
pack-priv	NetConnection(LogWriter logWriter, String user, String password, BasicClientDataSource dataSource, int rmId, boolean isXAConn)
pack-priv	NetConnection(LogWriter LogWriter object associated with this connection logWriter, String user id for this connection user, String password for this connection password, BasicClientDataSource The DataSource object passed from the PooledConnection object from which this constructor was called dataSource, int The Resource manager ID for XA Connections rmId, boolean true if this is a XA connection isXAConn, ClientPooledConnection The ClientPooledConnection object from which this NetConnection constructor was called. This is used to pass StatementEvents back to the pooledConnection object cpc) This constructor is called from the ClientPooledConnection object to enable the NetConnection to pass `this` on to the associated prepared statement object thus enabling the prepared statement object to in turn raise the statement events to the ClientPooledConnection object

Method Summary

Modifier and Type	Method and Description
protected boolean	Returns: if this connection can be closed when it has uncommitted operations, `true`; otherwise, `false` allowCloseInUOW_() Implements abstract org.apache.derby.client.am.ClientConnection.allowCloseInUOW_. Check if the connection can be closed when there are uncommitted operations.
protected boolean	allowLocalCommitRollback_() Implements abstract org.apache.derby.client.am.ClientConnection.allowLocalCommitRollback_.
private void	checkDatabaseName()
private void	checkPasswordLength(String password)
private void	checkSecmgrForSecmecSupport(int securityMechanism)
private void	checkUser(String user)
private void	checkUserLength(String user)
private void	checkUserPassword(String user, String password)
public synchronized void	close() Overrides org.apache.derby.client.am.ClientConnection.close. Implements java.sql.Connection.close. Close the connection and release its resources.
private void	completeReset(boolean isDeferredReset)
protected void	constructCrrtkn()
private void	constructExtnam()
private void	constructPrddta()
public Array	createArrayOf(String the SQL name of the type the elements of the array map to. The typeName is a database-specific name which may be the name of a built-in type, a user-defined type or a standard SQL type supported by this database. This is the value returned by `Array.getBaseTypeName` typeName, Object[] the elements that populate the returned object elements) Implements java.sql.Connection.createArrayOf. Factory method for creating Array objects.
public NClob	createNClob() Implements java.sql.Connection.createNClob. Constructs an object that implements the `NClob` interface.
public SQLXML	createSQLXML() Implements java.sql.Connection.createSQLXML. Constructs an object that implements the `SQLXML` interface.
public Struct	createStruct(String the SQL type name of the SQL structured type that this `Struct` object maps to. The typeName is the name of a user-defined type that has been defined for this database. It is the value returned by `Struct.getSQLTypeName`. typeName, Object[] the attributes that populate the returned object attributes) Implements java.sql.Connection.createStruct. Factory method for creating Struct objects.
protected boolean	doCloseStatementsOnClose_() Implements abstract org.apache.derby.client.am.ClientConnection.doCloseStatementsOnClose_.
private byte[]	encryptedPasswordForEUSRIDPWD(String password)
private byte[]	encryptedPasswordForUSRENCPWD(String password)
private byte[]	encryptedUseridForEUSRIDPWD()
private char[]	flipBits(char[] array)
private void	flowConnect(String password, int securityMechanism)
private void	flowEUSRIDDTAconnect()
private void	flowEUSRIDPWDconnect(String password)
private void	flowEUSRPWDDTAconnect(String password)
private void	flowKeyExchange(int securityMechanism, byte[] publicKey)
private boolean	flowReconnect(String password, int securityMechanism)
private void	flowSecurityCheckAndAccessRdb(int securityMechanism, String user, String password, byte[] encryptedUserid, byte[] encryptedPassword)
private void	flowSeedExchange(int securityMechanism, byte[] sourceSeed)
private void	flowServerAttributes()
private void	flowServerAttributesAndKeyExchange(int securityMechanism, byte[] publicKey)
private void	flowSimpleConnect()
private void	flowUSRENCPWDconnect(String password)
private void	flowUSRIDONLconnect()
private void	flowUSRIDPWDconnect(String password)
private void	flowUSRSSBPWDconnect(String password) The User ID and Strong Password Substitute mechanism (USRSSBPWD) authenticates the user like the user ID and password mechanism, but the password does not flow.
public int	getAGENT()
public String	Returns: a `null String` value getClientInfo(String a `String` value name) Implements java.sql.Connection.getClientInfo. `getClientInfo` always returns a `null String` since Derby doesn't support ClientInfoProperties.
public Properties	Returns: an empty `Properties` object. getClientInfo() Implements java.sql.Connection.getClientInfo. `getClientInfo` always returns an empty `Properties` object since Derby doesn't support ClientInfoProperties.
public int	getCMNTCPIP()
private String	getDeferredResetPassword()
public EncryptionManager	getEncryptionManager()
pack-priv Xid[]	getIndoubtTransactionIds()
public InputStream	getInputStream()
public OutputStream	getOutputStream()
public String	getProductID()
public int	getRDB()
public int	getRSYNCMGR()
public int	getSECMGR()
public int	getSecurityMechanism()
public int	getSQLAM()
public int	getSYNCPTMGR()
public byte[]	getTargetPublicKey()
public int	getXAMGR()
private void	handleLoginTimeout(Throwable original) Handle socket timeouts during connection attempts
private void	initialize(String password, BasicClientDataSource dataSource, boolean isXAConn)
private void	initializeClientSeed()
private void	initializePublicKeyForEncryption()
public final boolean	Returns: Returns the connectionNull. isConnectionNull()
protected boolean	isGlobalPending_() Implements abstract org.apache.derby.client.am.ClientConnection.isGlobalPending_.
public boolean	Returns: open isOpen() Returns if a transaction is in process
public boolean	Returns: true if the connection is valid, false otherwise isValid(int The time in seconds to wait for the database operation used to validate the connection to complete. If the timeout period expires before the operation completes, this method returns false. A value of 0 indicates a timeout is not applied to the database operation. timeout) Implements java.sql.Connection.isValid. Checks if the connection has not been closed and is still valid.
public boolean	Returns: true if this implements the interface or directly or indirectly wraps an object that does. isWrapperFor(Class<?> a Class defining an interface. interfaces) Implements java.sql.Wrapper.isWrapperFor. Returns false unless `interfaces` is implemented
private SqlException	mapSecchkcd(int secchkcd)
protected void	markClosed_() Implements abstract org.apache.derby.client.am.ClientConnection.markClosed_.
protected Agent	newAgent_(LogWriter logWriter, int loginTimeout, String serverName, int portNumber, int clientSSLMode) Implements abstract org.apache.derby.client.am.ClientConnection.newAgent_.
protected ClientCallableStatement	newCallableStatement_(String sql, int type, int concurrency, int holdability) Implements abstract org.apache.derby.client.am.ClientConnection.newCallableStatement_.
protected ClientDatabaseMetaData	newDatabaseMetaData_() Implements abstract org.apache.derby.client.am.ClientConnection.newDatabaseMetaData_.
protected ClientPreparedStatement	newPositionedUpdatePreparedStatement_(String sql, Section section) Implements abstract org.apache.derby.client.am.ClientConnection.newPositionedUpdatePreparedStatement_.
protected ClientPreparedStatement	newPreparedStatement_(String sql, int type, int concurrency, int holdability, int autoGeneratedKeys, String[] columnNames, int[] columnIndexes) Implements abstract org.apache.derby.client.am.ClientConnection.newPreparedStatement_.
public SectionManager	newSectionManager(Agent agent) Implements abstract org.apache.derby.client.am.ClientConnection.newSectionManager.
protected ClientStatement	newStatement_(int type, int concurrency, int holdability) Implements abstract org.apache.derby.client.am.ClientConnection.newStatement_.
private byte[]	passwordSubstituteForUSRSSBPWD(String password)
pack-priv void	rdbAccessed(int svrcod, String prdid, boolean crrtknReceived, byte[] crrtkn)
private void	readAllConnectCommandsChained(int securityMechanism)
public void	readCommitSubstitute_() Implements abstract org.apache.derby.client.am.ClientConnection.readCommitSubstitute_.
pack-priv void	readDeferredReset()
public void	readLocalCommit_() Implements abstract org.apache.derby.client.am.ClientConnection.readLocalCommit_.
public void	readLocalRollback_() Implements abstract org.apache.derby.client.am.ClientConnection.readLocalRollback_.
public void	readLocalXACommit_() Implements abstract org.apache.derby.client.am.ClientConnection.readLocalXACommit_.
public void	readLocalXARollback_() Implements abstract org.apache.derby.client.am.ClientConnection.readLocalXARollback_.
public void	readLocalXAStart_() Implements abstract org.apache.derby.client.am.ClientConnection.readLocalXAStart_.
private void	readSecurityCheckAndAccessRdb()
private void	readServerAttributesAndKeyExchange(int securityMechanism)
public void	readTransactionStart() Overrides org.apache.derby.client.am.ClientConnection.readTransactionStart.
protected void	readXACommit_() Implements abstract org.apache.derby.client.am.ClientConnection.readXACommit_. Invokes readCommit on NetXAConnection
protected void	readXARollback_() Implements abstract org.apache.derby.client.am.ClientConnection.readXARollback_. Invokes writeRollback on NetXAConnection
protected void	reset_(LogWriter logWriter) Implements abstract org.apache.derby.client.am.ClientConnection.reset_.
protected void	resetCallableStatement_(ClientCallableStatement cs, String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) Implements abstract org.apache.derby.client.am.ClientConnection.resetCallableStatement_.
private void	resetNetConnection(LogWriter logWriter)
protected void	resetPreparedStatement_(ClientPreparedStatement ps, String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability, int autoGeneratedKeys, String[] columnNames, int[] columnIndexes) Implements abstract org.apache.derby.client.am.ClientConnection.resetPreparedStatement_.
protected void	resetStatement_(ClientStatement statement, int type, int concurrency, int holdability) Implements abstract org.apache.derby.client.am.ClientConnection.resetStatement_.
pack-priv void	securityCheckComplete(int svrcod, int secchkcd)
public final boolean	serverSupportLongRDBNAM()
protected final boolean	serverSupportsEXTDTAAbort()
public final boolean	serverSupportsLayerBStreaming()
protected final boolean	Returns: `true` if LOB locators are supported. serverSupportsLocators() Implements abstract org.apache.derby.client.am.ClientConnection.serverSupportsLocators. Checks whether the server supports locators for large objects.
pack-priv final boolean	Returns: true if QRYCLSIMP is fully supported serverSupportsQryclsimp() Check whether the server has full support for the QRYCLSIMP parameter in OPNQRY.
protected final boolean	serverSupportsTimestampNanoseconds() Implements abstract org.apache.derby.client.am.ClientConnection.serverSupportsTimestampNanoseconds. Return true if the server supports nanoseconds in timestamps
protected final boolean	Returns: true if UDTs are supported serverSupportsUDTs() Check whether the server supports UDTs
protected final boolean	Returns: true if the server supports the UTF-8 Ccsid Manager serverSupportsUtf8Ccsid() Check whether the server supports the UTF-8 Ccsid Manager
pack-priv void	setAccessSecurityData(int secchkcd, int desiredSecmec, int[] secmecList, boolean sectknReceived, byte[] sectkn)
public void	setClientInfo(String a property key `String` name, String a property value `String` value) Implements java.sql.Connection.setClientInfo. `setClientInfo` will always throw a `SQLClientInfoException` since Derby does not support any properties.
public void	setClientInfo(Properties a `Properties` object with the properties to set. properties) Implements java.sql.Connection.setClientInfo. `setClientInfo` will throw a `SQLClientInfoException` unless the `properties` parameter is empty, since Derby does not support any properties.
public void	setConnectionNull(boolean The connectionNull to set. connectionNull)
private void	setDeferredResetPassword(String password)
public void	setIndoubtTransactions(List<Xid> indoubtTransactions)
public void	setInputStream(InputStream inputStream)
public void	setOutputStream(OutputStream outputStream)
pack-priv void	setServerAttributeData(String srvclsnm, String srvrlslv)
protected final boolean	Returns: true session data caching is supported supportsSessionDataCaching() Implements abstract org.apache.derby.client.am.ClientConnection.supportsSessionDataCaching. Check whether the server supports session data caching
public <T> T	Returns: an object that implements the interface unwrap(Class<T> a Class defining an interface interfaces) Implements java.sql.Wrapper.unwrap. Returns `this` if this class implements the interface
public boolean	willAutoCommitGenerateFlow() Overrides org.apache.derby.client.am.ClientConnection.willAutoCommitGenerateFlow.
private void	writeAllConnectCommandsChained(int securityMechanism, String user, String password)
public void	writeCommitSubstitute_() Implements abstract org.apache.derby.client.am.ClientConnection.writeCommitSubstitute_.
pack-priv void	writeDeferredReset()
public void	writeLocalCommit_() Implements abstract org.apache.derby.client.am.ClientConnection.writeLocalCommit_.
public void	writeLocalRollback_() Implements abstract org.apache.derby.client.am.ClientConnection.writeLocalRollback_.
public void	writeLocalXACommit_() Implements abstract org.apache.derby.client.am.ClientConnection.writeLocalXACommit_.
public void	writeLocalXARollback_() Implements abstract org.apache.derby.client.am.ClientConnection.writeLocalXARollback_.
public void	writeLocalXAStart_() Implements abstract org.apache.derby.client.am.ClientConnection.writeLocalXAStart_.
private void	writeSecurityCheckAndAccessRdb(int securityMechanism, String user, String password, byte[] encryptedUserid, byte[] encryptedPassword)
private void	writeServerAttributesAndKeyExchange(int securityMechanism, byte[] publicKey)
public void	writeTransactionStart(ClientStatement statement) Overrides org.apache.derby.client.am.ClientConnection.writeTransactionStart.
protected void	writeXACommit_() Implements abstract org.apache.derby.client.am.ClientConnection.writeXACommit_. Invokes write commit on NetXAConnection
protected void	writeXARollback_() Implements abstract org.apache.derby.client.am.ClientConnection.writeXARollback_. Invokes writeRollback on NetXAConnection
protected void	writeXATransactionStart(ClientStatement statement) Implements abstract org.apache.derby.client.am.ClientConnection.writeXATransactionStart.

Inherited from org.apache.derby.client.am.ClientConnection:: abort beginAborting checkForClosedConnection clearWarnings closeResources commit completeAbnormalUnitOfWork completeAbnormalUnitOfWork completeChainBreakingDisconnect completeConnect completeInitialPiggyBackIsolation completeInitialPiggyBackSchema completeLocalCommit completeLocalRollback completePiggyBackIsolation completePiggyBackSchema completeReset completeSqlca createBlob createClob createStatement createStatement createStatement finalize flowAutoCommit flowRollback getAutoCommit getCatalog getCurrentSchemaName getHoldability getMetaData getNetworkTimeout getSchema getServerVersion getTransactionID getTransactionIsolation getTransactionIsolationX getTypeMap getWarnings getXAState isAborting isClosed isClosedX isPhysicalConnClosed isReadOnly isXAConnection lightReset nativeSQL prepareCall prepareCall prepareCall prepareStatement prepareStatement prepareStatement prepareStatement prepareStatement prepareStatement releaseSavepoint reset resetConnection resetPrepareCall resetPrepareStatement resetStatement rollback rollback setAutoCommit setCatalog setHoldability setNetworkTimeout setReadOnly setSavepoint setSavepoint setSchema setTransactionIsolation setTypeMap setXAState transactionInProgress

public Class NetConnection

Field Summary

Constructor Summary

Method Summary