Interface ConnectionPool

    • Method Detail

      • preCreateConnections

        default java.util.concurrent.CompletableFuture<java.lang.Void> preCreateConnections​(int connectionCount)
        Optionally pre-create up to connectionCount connections so they are immediately ready for use.
        Parameters:
        connectionCount - the number of connections to pre-start.
      • isActive

        boolean isActive​(Connection connection)
        Parameters:
        connection - the connection to test
        Returns:
        whether the given connection is currently in use
      • isEmpty

        boolean isEmpty()
        Returns:
        whether this ConnectionPool has no open connections
      • isClosed

        boolean isClosed()
        Returns:
        whether this ConnectionPool has been closed
        See Also:
        close()
      • acquire

        Connection acquire()

        Returns an idle connection, if available, or schedules the opening of a new connection and returns null.

        Returns:
        an available connection, or null
      • release

        boolean release​(Connection connection)

        Returns the given connection, previously obtained via acquire(), back to this ConnectionPool.

        Parameters:
        connection - the connection to release
        Returns:
        true if the connection has been released, false if the connection should be closed
      • remove

        boolean remove​(Connection connection)

        Removes the given connection from this ConnectionPool.

        Parameters:
        connection - the connection to remove
        Returns:
        true if the connection was removed from this ConnectionPool
      • close

        void close()
        Closes this ConnectionPool.
        Specified by:
        close in interface java.lang.AutoCloseable
        Specified by:
        close in interface java.io.Closeable
        See Also:
        isClosed()