Java Doc for JDBCConnectionPool.java in  » Testing » PolePosition-0.20 » com » versant » core » jdbc » conn » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Testing » PolePosition 0.20 » com.versant.core.jdbc.conn   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.versant.core.jdbc.conn.JDBCConnectionPool JDBCConnectionPool final public class JDBCConnectionPool implements Runnable,JdbcConnectionSource,HasMetrics(Code) JDBC connection pool with a PreparedStatement cache for each connection. See Also:   PooledConnection Constructor Summary public   JDBCConnectionPool(JdbcConfig jdbcConfig, LogEventStore pes, Driver jdbcDriver, SqlDriver sqlDriver)      Create the pool. Method Summary public  void addMetrics(List list)      Add all BaseMetric's for this store to the List. public  void check()      Check that we can connect to the database and that the initSQL (if any) works. public  void checkIdleConnections()      Close excess idle connections or create new idle connections if less than minIdle (but do not exceed maxActive in total). public  void closeIdleConnections()      Close all idle connections. public  void closeTimedOutConnections()      Close active connections that have been out of the pool for too long. public  void destroy()      Close all connections and shutdown the pool. public  void fillStatus(PoolStatus s)      Fill s with status info for this pool. public  int getActiveCount()      public  int getConTimeout()      public  Connection getConnection(boolean highPriority, boolean autoCommit)      Allocate a PooledConnection from the pool. public  Properties getConnectionProperties()      Return the connection prop of the pool. public  String getDriverName()      Get the JDBC driver class or null if not known. public  int getIdleCount()      public  String getInitSQL()      public  int getIsolationLevel()      public  Driver getJdbcDriver()      Get the JDBC driver instance. public  int getMaxActive()      public  int getMaxConAge()      public  int getMaxIdle()      public  int getMinIdle()      public  int getPsCacheMax()      public  int getReserved()      public  int getTestInterval()      public  String getURL()      Get our JDBC URL. public  String getValidateSQL()      public  void init()      public  boolean isBlockWhenFull()      public  boolean isClearBatch()      public  boolean isJdbcDisablePsCache()      public  boolean isTestWhenIdle()      public  void returnConnection(Connection con)      public  void returnConnection(PooledConnection con)      Return a PooledConnection to the pool. public  void run()      Perform maintenance operations on the pool at periodic intervals. public  void sampleMetrics(int[][] buf, int pos)      Get values for our metrics. public  void setBlockWhenFull(boolean blockWhenFull)      public  void setClearBatch(boolean clearBatch)      public  void setConTimeout(int conTimeout)      public  void setInitSQL(String initSQL)      public  void setIsolationLevel(int isolationLevel)      If isolationLevel != 0 then the isolation level of newly created Connections is set to this. public  void setJdbcDisablePsCache(boolean jdbcDisablePsCache)      public  void setMaxActive(int maxActive)      public  void setMaxConAge(int maxConAge)      public  void setMaxIdle(int maxIdle)      public  void setMinIdle(int minIdle)      public  void setPsCacheMax(int psCacheMax)      public  void setReserved(int reserved)      public  void setTestInterval(int testInterval)      public  void setTestWhenIdle(boolean on)      public  void setValidateSQL(String validateSQL)      public  void testIdleConnections()      Test 1 idle connection. public  String toString()      Return our name and status. Constructor Detail JDBCConnectionPool public JDBCConnectionPool(JdbcConfig jdbcConfig, LogEventStore pes, Driver jdbcDriver, SqlDriver sqlDriver)(Code) Create the pool. Note that changes to jdbcConfig have no effect on the pool after construction i.e. fields in jdbcConfig are copied not referenced. The sqlDriver parameter is used to customize the pool to workaround bugs and so on in the JDBC driver or database. It can be null. Method Detail addMetrics public void addMetrics(List list)(Code) Add all BaseMetric's for this store to the List. check public void check() throws Exception(Code) Check that we can connect to the database and that the initSQL (if any) works. checkIdleConnections public void checkIdleConnections() throws Exception(Code) Close excess idle connections or create new idle connections if less than minIdle (but do not exceed maxActive in total). closeIdleConnections public void closeIdleConnections()(Code) Close all idle connections. This method closes idleCount connections. If another thread is making new connections at the same time the idle list will not be empty on return. closeTimedOutConnections public void closeTimedOutConnections()(Code) Close active connections that have been out of the pool for too long. This is a NOP if activeTimeout <= 0. destroy public void destroy()(Code) Close all connections and shutdown the pool. fillStatus public void fillStatus(PoolStatus s)(Code) Fill s with status info for this pool. getActiveCount public int getActiveCount()(Code) getConTimeout public int getConTimeout()(Code) getConnection public Connection getConnection(boolean highPriority, boolean autoCommit) throws SQLException(Code) Allocate a PooledConnection from the pool. Parameters:   highPriority - If this is true then reserved high priority Parameters:   autoCommit - Must the connection have autoCommit set? getConnectionProperties public Properties getConnectionProperties()(Code) Return the connection prop of the pool. getDriverName public String getDriverName()(Code) Get the JDBC driver class or null if not known. getIdleCount public int getIdleCount()(Code) getInitSQL public String getInitSQL()(Code) getIsolationLevel public int getIsolationLevel()(Code) getJdbcDriver public Driver getJdbcDriver()(Code) Get the JDBC driver instance. getMaxActive public int getMaxActive()(Code) getMaxConAge public int getMaxConAge()(Code) getMaxIdle public int getMaxIdle()(Code) getMinIdle public int getMinIdle()(Code) getPsCacheMax public int getPsCacheMax()(Code) getReserved public int getReserved()(Code) getTestInterval public int getTestInterval()(Code) getURL public String getURL()(Code) Get our JDBC URL. getValidateSQL public String getValidateSQL()(Code) init public void init()(Code) isBlockWhenFull public boolean isBlockWhenFull()(Code) isClearBatch public boolean isClearBatch()(Code) isJdbcDisablePsCache public boolean isJdbcDisablePsCache()(Code) isTestWhenIdle public boolean isTestWhenIdle()(Code) returnConnection public void returnConnection(Connection con) throws SQLException(Code) returnConnection public void returnConnection(PooledConnection con)(Code) Return a PooledConnection to the pool. This is called by PooledConnection when it is closed. This is a NOP if the connection has been destroyed. See Also:   PooledConnection.close run public void run()(Code) Perform maintenance operations on the pool at periodic intervals. sampleMetrics public void sampleMetrics(int[][] buf, int pos)(Code) Get values for our metrics. setBlockWhenFull public void setBlockWhenFull(boolean blockWhenFull)(Code) setClearBatch public void setClearBatch(boolean clearBatch)(Code) setConTimeout public void setConTimeout(int conTimeout)(Code) setInitSQL public void setInitSQL(String initSQL)(Code) setIsolationLevel public void setIsolationLevel(int isolationLevel)(Code) If isolationLevel != 0 then the isolation level of newly created Connections is set to this. See Also:   Connection.TRANSACTION_READ_COMMITTED See Also:    etc setJdbcDisablePsCache public void setJdbcDisablePsCache(boolean jdbcDisablePsCache)(Code) setMaxActive public void setMaxActive(int maxActive)(Code) setMaxConAge public void setMaxConAge(int maxConAge)(Code) setMaxIdle public void setMaxIdle(int maxIdle)(Code) setMinIdle public void setMinIdle(int minIdle)(Code) setPsCacheMax public void setPsCacheMax(int psCacheMax)(Code) setReserved public void setReserved(int reserved)(Code) setTestInterval public void setTestInterval(int testInterval)(Code) setTestWhenIdle public void setTestWhenIdle(boolean on)(Code) setValidateSQL public void setValidateSQL(String validateSQL)(Code) testIdleConnections public void testIdleConnections()(Code) Test 1 idle connection. If it fails, close it and repeat. toString public String toString()(Code) Return our name and status. 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)