Java Doc for StandardXADataSource.java in  » Database-JDBC-Connection-Pool » xapool » org » enhydra » jdbc » standard » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database JDBC Connection Pool » xapool » org.enhydra.jdbc.standard   Source Cross Reference   Class Diagram   Java Document (Java Doc)   org.enhydra.jdbc.standard.StandardDataSource    org.enhydra.jdbc.standard.StandardConnectionPoolDataSource       org.enhydra.jdbc.standard.StandardXADataSource All known Subclasses:   org.enhydra.jdbc.instantdb.IdbXADataSource,  org.enhydra.jdbc.informix.InformixXADataSource,  org.enhydra.jdbc.sybase.SybaseXADataSource,  org.enhydra.jdbc.oracle.OracleXADataSource, StandardXADataSource public class StandardXADataSource extends StandardConnectionPoolDataSource implements XADataSource(Code) Data source for creating StandardXAConnections. Field Summary final public static  long DEFAULT_DEADLOCKMAXWAIT      final public static  int DEFAULT_DEADLOCKRETRYWAIT      final public static  int DEFAULT_MAX_CON      final public static  int DEFAULT_MIN_CON      public  int connectionCount       Hashtable deadConnections      public  long deadLockMaxWait      public  long deadLockRetryWait       Vector freeConnections      public  int maxCon      public  int minCon      public transient  TransactionManager transactionManager       Hashtable xidConnections      Constructor Summary public   StandardXADataSource()      Method Summary synchronized  long checkTimeouts(long curTime)      Invoked by the timer thread to check all transactions for timeouts. public  void closeFreeConnection()      synchronized  void connectionClosed()      Called when an XA connection gets closed. public  void dump()      public synchronized  void freeConnection(Xid id, boolean placeAtStart)      Frees a connection to make it eligible for reuse. public  int getAllConnections()      synchronized  StandardXAStatefulConnection getConnection(Xid xid, boolean mustFind)      Returns the connection associated with a given XID. public  int getConnectionCount()      public  long getDeadLockMaxWait()      public  long getDeadLockRetryWait()      synchronized  StandardXAStatefulConnection getFreeConnection()      Returns a connection from the free list, removing it in the process. public  int getMaxCon()      public  int getMinCon()      public  Object getObjectInstance(Object refObj, Name name, Context nameCtx, Hashtable env)      public  Reference getReference()      public  TransactionManager getTransactionManager()      public  XAConnection getXAConnection()      Creates an XA connection using the default username and password. public synchronized  XAConnection getXAConnection(String user, String password)      Creates an XA connection using the supplied username and password. public  Hashtable getXidConnections()      public  int getXidCount()      Returns the number of connections that are either prepared or heuristically completed. public synchronized  void processToWait()       Xid[] recover()      Constructs a list of all prepared connections' xids. public  void setDeadLockMaxWait(long deadLock)      public  void setDeadLockRetryWait(long deadLockRetryWait)      public  void setDriverName(String driverName)      public  void setMaxCon(int max)      public  void setMinCon(int min)      public  void setPassword(String password)      public  void setTransactionManager(TransactionManager tm)      public  void setTransactionManagerName(String tmName)      public  void setUrl(String url)      public  void setUser(String user)      public  String toString()      Field Detail DEFAULT_DEADLOCKMAXWAIT final public static long DEFAULT_DEADLOCKMAXWAIT(Code) DEFAULT_DEADLOCKRETRYWAIT final public static int DEFAULT_DEADLOCKRETRYWAIT(Code) DEFAULT_MAX_CON final public static int DEFAULT_MAX_CON(Code) DEFAULT_MIN_CON final public static int DEFAULT_MIN_CON(Code) connectionCount public int connectionCount(Code) deadConnections Hashtable deadConnections(Code) deadLockMaxWait public long deadLockMaxWait(Code) deadLockRetryWait public long deadLockRetryWait(Code) freeConnections Vector freeConnections(Code) maxCon public int maxCon(Code) minCon public int minCon(Code) transactionManager public transient TransactionManager transactionManager(Code) xidConnections Hashtable xidConnections(Code) Constructor Detail StandardXADataSource public StandardXADataSource()(Code) Constructor Method Detail checkTimeouts synchronized long checkTimeouts(long curTime) throws SQLException(Code) Invoked by the timer thread to check all transactions for timeouts. Returns the time of the next timeout event after current timeouts have expired. closeFreeConnection public void closeFreeConnection()(Code) connectionClosed synchronized void connectionClosed() throws SQLException(Code) Called when an XA connection gets closed. When they have all been closed then any remaining physical connections are also closed. dump public void dump()(Code) freeConnection public synchronized void freeConnection(Xid id, boolean placeAtStart)(Code) Frees a connection to make it eligible for reuse. The free list is normally a last in, first out list (LIFO). This is efficient. However, timed out connections are nice to hang onto for error reporting, so they can be placed at the start. This is less efficient, but hopefully is a rare occurence. Here, no need to verify the number of connections, we remove an object from the xidConnections to put it in th freeConnections getAllConnections public int getAllConnections()(Code) getConnection synchronized StandardXAStatefulConnection getConnection(Xid xid, boolean mustFind) throws XAException(Code) Returns the connection associated with a given XID. is reached, the Xid is found or an exception is thrown. getConnectionCount public int getConnectionCount()(Code) getDeadLockMaxWait public long getDeadLockMaxWait()(Code) getDeadLockRetryWait public long getDeadLockRetryWait()(Code) getFreeConnection synchronized StandardXAStatefulConnection getFreeConnection() throws SQLException(Code) Returns a connection from the free list, removing it in the process. If none area available then a new connection is created. getMaxCon public int getMaxCon()(Code) getMinCon public int getMinCon()(Code) getObjectInstance public Object getObjectInstance(Object refObj, Name name, Context nameCtx, Hashtable env) throws Exception(Code) getReference public Reference getReference() throws NamingException(Code) getTransactionManager public TransactionManager getTransactionManager()(Code) getXAConnection public XAConnection getXAConnection() throws SQLException(Code) Creates an XA connection using the default username and password. getXAConnection public synchronized XAConnection getXAConnection(String user, String password) throws SQLException(Code) Creates an XA connection using the supplied username and password. getXidConnections public Hashtable getXidConnections()(Code) getXidCount public int getXidCount()(Code) Returns the number of connections that are either prepared or heuristically completed. processToWait public synchronized void processToWait() throws Exception(Code) recover Xid[] recover()(Code) Constructs a list of all prepared connections' xids. setDeadLockMaxWait public void setDeadLockMaxWait(long deadLock)(Code) setDeadLockRetryWait public void setDeadLockRetryWait(long deadLockRetryWait)(Code) setDriverName public void setDriverName(String driverName) throws SQLException(Code) setMaxCon public void setMaxCon(int max)(Code) setMinCon public void setMinCon(int min)(Code) setPassword public void setPassword(String password)(Code) setTransactionManager public void setTransactionManager(TransactionManager tm)(Code) setTransactionManagerName public void setTransactionManagerName(String tmName)(Code) setUrl public void setUrl(String url)(Code) setUser public void setUser(String user)(Code) toString public String toString()(Code) Fields inherited from org.enhydra.jdbc.standard.StandardConnectionPoolDataSource final public static int DEFAULT_PREPAREDSTMTCACHESIZE(Code)(Java Doc) int preparedStmtCacheSize(Code)(Java Doc) Methods inherited from org.enhydra.jdbc.standard.StandardConnectionPoolDataSource public Hashtable getMasterPrepStmtCache()(Code)(Java Doc) public PooledConnection getPooledConnection() throws SQLException(Code)(Java Doc) public synchronized PooledConnection getPooledConnection(String user, String password) throws SQLException(Code)(Java Doc) public int getPreparedStmtCacheSize()(Code)(Java Doc) public void setPreparedStmtCacheSize(int value)(Code)(Java Doc) public String toString()(Code)(Java Doc) Fields inherited from org.enhydra.jdbc.standard.StandardDataSource transient Driver driver(Code)(Java Doc) String driverName(Code)(Java Doc) String url(Code)(Java Doc) Methods inherited from org.enhydra.jdbc.standard.StandardDataSource public boolean equals(Object obj)(Code)(Java Doc) public synchronized Connection getConnection() throws SQLException(Code)(Java Doc) public synchronized Connection getConnection(String u, String p) throws SQLException(Code)(Java Doc) public String getDriverName()(Code)(Java Doc) public Object getObjectInstance(Object refObj, Name name, Context nameCtx, Hashtable env) throws Exception(Code)(Java Doc) public Reference getReference() throws NamingException(Code)(Java Doc) public int getTransactionIsolation()(Code)(Java Doc) public String getUrl()(Code)(Java Doc) public int hashCode()(Code)(Java Doc) public void setDriverName(String driverName) throws SQLException(Code)(Java Doc) public void setTransactionIsolation(int level)(Code)(Java Doc) public void setUrl(String url)(Code)(Java Doc) public String toString()(Code)(Java Doc)