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Java Source Code / Java Documentation » Database DBMS » db derby 10.2 » org.apache.derby.impl.drda   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.derby.impl.drda.Database All known Subclasses:   org.apache.derby.impl.drda.XADatabase, Database class Database (Code) Database stores information about the current database It is used so that a session may have more than one database Field Summary protected  boolean RDBUPDRM_sent      protected  int accessCount       String attrString      protected  int byteOrder      protected  int ccsidDBC      protected  String ccsidDBCEncoding      protected  int ccsidMBC      protected  String ccsidMBCEncoding      protected  int ccsidSBC      protected  String ccsidSBCEncoding      protected  byte[] crrtkn      protected  String dbName      protected  String decryptedPassword      protected  String decryptedUserId       DRDAStatement defaultStatement       boolean forXA      protected  String password      protected  byte[] passwordSubstitute      protected  boolean rdbAllowUpdates      protected  byte[] secTokenIn      protected  byte[] secTokenOut      protected  int securityMechanism      protected  boolean sendTRGDFTRT      protected  String shortDbName      protected  String typDefNam      protected  String userId      Constructor Summary   Database(String dbName)      Method Summary  String appendAttrString(Properties p)      protected  String buildRuntimeInfo(String indent, LocalizedResource localLangUtil)      protected  void close()      protected  void commit()      final  EngineConnection getConnection()      protected  DRDAStatement getCurrentStatement()      protected  DRDAStatement getDRDAStatement(Pkgnamcsn pkgnamcsn)      protected  DRDAStatement getDefaultStatement()      protected  DRDAStatement getDefaultStatement(Pkgnamcsn pkgnamcsn)      final  int getPrepareIsolation()       void makeConnection(Properties p)       void makeDummyConnection()      This makes a dummy connection to the database in order to boot and/or create this last one. protected  DRDAStatement newDRDAStatement(Pkgnamcsn pkgnamcsn)      Get a new DRDA statement and store it in the stmtTable if stortStmt is true. protected  void removeStatement(DRDAStatement stmt)      public  void reset()      This method resets the state of this Database object so that it can be re-used. Note: currently this method resets the variables related to security mechanisms that have been investigated as needing a reset. protected  void rollback()      final  void setConnection(EngineConnection conn)      protected  void setCurrentStatement(DRDAStatement stmt)      final  void setDrdaID(String drdaID)      final  void setPrepareIsolation(int level)      Set the internal isolation level to use for preparing statements. protected  void storeStatement(DRDAStatement stmt)      Field Detail RDBUPDRM_sent protected boolean RDBUPDRM_sent(Code) accessCount protected int accessCount(Code) attrString String attrString(Code) byteOrder protected int byteOrder(Code) ccsidDBC protected int ccsidDBC(Code) ccsidDBCEncoding protected String ccsidDBCEncoding(Code) ccsidMBC protected int ccsidMBC(Code) ccsidMBCEncoding protected String ccsidMBCEncoding(Code) ccsidSBC protected int ccsidSBC(Code) ccsidSBCEncoding protected String ccsidSBCEncoding(Code) crrtkn protected byte[] crrtkn(Code) dbName protected String dbName(Code) decryptedPassword protected String decryptedPassword(Code) decryptedUserId protected String decryptedUserId(Code) defaultStatement DRDAStatement defaultStatement(Code) forXA boolean forXA(Code) password protected String password(Code) passwordSubstitute protected byte[] passwordSubstitute(Code) rdbAllowUpdates protected boolean rdbAllowUpdates(Code) secTokenIn protected byte[] secTokenIn(Code) secTokenOut protected byte[] secTokenOut(Code) securityMechanism protected int securityMechanism(Code) sendTRGDFTRT protected boolean sendTRGDFTRT(Code) shortDbName protected String shortDbName(Code) typDefNam protected String typDefNam(Code) userId protected String userId(Code) Constructor Detail Database Database(String dbName)(Code) Database constructor Parameters:   dbName - database name Method Detail appendAttrString String appendAttrString(Properties p)(Code) buildRuntimeInfo protected String buildRuntimeInfo(String indent, LocalizedResource localLangUtil)(Code) close protected void close() throws SQLException(Code) Close the connection and clean up the statement table throws:   SQLException - on conn.close() error to be handled in DRDAConnThread. commit protected void commit() throws SQLException(Code) getConnection final EngineConnection getConnection()(Code) Get the connection connection getCurrentStatement protected DRDAStatement getCurrentStatement()(Code) Get current DRDA statement DRDAStatement exception:   SQLException - getDRDAStatement protected DRDAStatement getDRDAStatement(Pkgnamcsn pkgnamcsn)(Code) Get DRDA statement based on pkgnamcsn Parameters:   pkgnamcsn - - key to access statement DRDAStatement getDefaultStatement protected DRDAStatement getDefaultStatement()(Code) Get default statement for use in EXCIMM DRDAStatement getDefaultStatement protected DRDAStatement getDefaultStatement(Pkgnamcsn pkgnamcsn)(Code) Get default statement for use in EXCIMM with specified pkgnamcsn The pkgnamcsn has the encoded isolation level Parameters:   pkgnamcsn - package/ section # for statement DRDAStatement getPrepareIsolation final int getPrepareIsolation() throws SQLException(Code) makeConnection void makeConnection(Properties p) throws SQLException(Code) Make a new connection using the database name and set the connection in the database Parameters:   p - Properties for connection attributes to pass to connect makeDummyConnection void makeDummyConnection()(Code) This makes a dummy connection to the database in order to boot and/or create this last one. If database cannot be found or authentication does not succeed, this will throw a SQLException which we catch and do nothing. We don't pass a userid and password here as we don't need to for the purpose of this method - main goal is to cause the database to be booted via a dummy connection. newDRDAStatement protected DRDAStatement newDRDAStatement(Pkgnamcsn pkgnamcsn) throws SQLException(Code) Get a new DRDA statement and store it in the stmtTable if stortStmt is true. If possible recycle an existing statement. When the server gets a new statement with a previously used pkgnamcsn, it means that client-side statement associated with this pkgnamcsn has been closed. In this case, server can re-use the DRDAStatement by doing the following: 1) Retrieve the old DRDAStatement associated with this pkgnamcsn and close it. 2) Reset the DRDAStatement state for re-use. Parameters:   pkgnamcsn - Package name and section DRDAStatement removeStatement protected void removeStatement(DRDAStatement stmt) throws SQLException(Code) reset public void reset()(Code) This method resets the state of this Database object so that it can be re-used. Note: currently this method resets the variables related to security mechanisms that have been investigated as needing a reset. TODO: Investigate what all variables in this class need to be reset when this database object is re-used on a connection pooling or transaction pooling. see DRDAConnThread.parseACCSEC (CodePoint.RDBNAM) where database object is re-used on a connection reset. rollback protected void rollback() throws SQLException(Code) setConnection final void setConnection(EngineConnection conn) throws SQLException(Code) Set connection and create the SQL statement for the default statement Parameters:   conn - Connection exception:   SQLException - setCurrentStatement protected void setCurrentStatement(DRDAStatement stmt)(Code) Make statement the current statement Parameters:   stmt - setDrdaID final void setDrdaID(String drdaID)(Code) setPrepareIsolation final void setPrepareIsolation(int level) throws SQLException(Code) Set the internal isolation level to use for preparing statements. Subsequent prepares will use this isoalation level Parameters:   level - internal isolation level throws:   SQLException - See Also:   EngineConnection.setPrepareIsolation storeStatement protected void storeStatement(DRDAStatement stmt) throws SQLException(Code) Store DRDA prepared statement Parameters:   stmt - DRDA prepared statement Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)