Interface SQLServices

All Known Implementing Classes:
ServerChannel

public interface SQLServices
Services for executing SQL statements and database procedures.
 
Property Description Type Default
jdbc.«name».appname Description of the connection pool String none
jdbc.«name».driver Fully qualified name of the JDBC driver class String none
jdbc.«name».max.idle Maximum number of idle connections in the pool Integer max.total
jdbc.«name».max.idle.time Maximum idle time before a connection is evicted (minutes) Integer 0 (forever)
jdbc.«name».max.total Maximum number of connections in the pool Integer 8
jdbc.«name».max.wait.time Maximum time to wait for a free connection (milliseconds) Integer 0 (forever)
jdbc.«name».min.idle Minimum number of idle connections in the pool Integer 0
jdbc.«name».password Password of the connecting database user String none
jdbc.«name».redirect Name of real connection pool properties String none
jdbc.«name».test.query SQL statement used to test a connection String none
jdbc.«name».uri JDBC connection URI String required
jdbc.«name».user Name of the connecting database user String none
  • Method Summary

    Modifier and Type
    Method
    Description
    <T> T
    executeSQL(SQLExecutor<T> executor)
    Allocates a connection from the default pool and executes the supplied SQL executor.
    <T> T
    executeSQL(String poolName, SQLExecutor<T> executor)
    Allocates a connection from the specified pool and then executes the supplied SQL executor.
  • Method Details

    • executeSQL

      <T> T executeSQL(SQLExecutor<T> executor) throws SQLException, Exception
      Allocates a connection from the default pool and executes the supplied SQL executor.

      This convenience method produces the same result as the following invocation:

      executeSQL("default", executor);
      Type Parameters:
      T - the type of the value returned by the executor.
      Parameters:
      executor - an SQL statement executor.
      Returns:
      the value returned by the executor.
      Throws:
      NullPointerException - if executor is null.
      SQLException - if an SQL error occurs.
      Exception - if another error occurs.
    • executeSQL

      <T> T executeSQL(String poolName, SQLExecutor<T> executor) throws SQLException, Exception
      Allocates a connection from the specified pool and then executes the supplied SQL executor. If the SQL executor returns normally, the connection is committed. If the SQL executor throws an exception, the connection is rollback. In any event, the connection is returned to the pool.
      Type Parameters:
      T - the type of the value returned by the executor.
      Parameters:
      poolName - the name of the connection pool.
      executor - an SQL statement executor.
      Returns:
      the value returned by the executor.
      Throws:
      NullPointerException - if an argument is null.
      SQLException - if an SQL error occurs.
      Exception - if another error occurs.