enqueue 到oracle AQ 的 调用方式

 ParameterMap param = new ParameterMap();
 param.addValue("MESSAGE", request);
 param.addValue("QUEUE_NAME", this.destination);


 this.jdbcTemplate.withSqlMap("{CALL GCAL_PKG_ENQUEUE.TEXT_MESSAGE_ENQUEUE(:MESSAGE, :QUEUE_NAME)}", param).call();


jdbcTemplate
{


  public JdbcTemplate withSqlMap(String sql, ParameterMap parameterMap)
  {
    JdbcOperation jdbcOperation = createJdbcOperation(null);
    compileToSqlParameterMap(jdbcOperation, sql, parameterMap);

    return this;
  }


  public Map<String, Object> call()
  {
    if (this.localJdbcOperation.get() == null) {
      throw new DatabaseException("There is no database operation yet.");
    }
    Exception exception = null;
    MetricsTimer metricsTimer = COLLECTOR.startMetricsTimer("call");
    try {
      Map localMap = ((JdbcOperation)this.localJdbcOperation.get()).call(metricsTimer);
      return localMap;
    }
    catch (RuntimeException e)
    {
      exception = e;
      throw e;
    }
    finally {
      metricsTimer.stop(exception);
      this.localJdbcOperation.set(null); } throw localObject;
  }

}


JdbcOperation{


protected Map<String, Object> call(MetricsTimer metricsTimer)
  {
    Map resultMap = new HashMap();

    CallableStatement callableStatement = null;
    try
    {
      metricsTimer.addMetrics("compiledSql", this.compiledSql);

      callableStatement = createCallableStatement(this.compiledSql);
      setCallableParameters(callableStatement, this.compiledValues);
      callableStatement.executeUpdate();

      for (int i = 0; i < this.compiledValues.length; i++) {
        if ((this.compiledValues[i] == null) || (this.compiledValues[i].getInOut() == ParameterData.InOutType.IN)) {
          continue;
        }
        retrieveCallResult(callableStatement, i, resultMap);
      }
    }
    catch (SQLException e)
    {
      String error = new StringBuilder().append("Failed to call SQL ").append(this.compiledSql).append(" with error ").append(e.getMessage()).append(" errorCode ").append(e.getErrorCode()).toString();

      LOGGER.error(error, e);
      throw new DatabaseException(error, e);
    }
    finally {
      closeResources(callableStatement, null);
    }

    return resultMap;
  }



}


create or replace
PACKAGE                                         GCAL_PKG_ENQUEUE AS

  /* TODO enter package declarations (types, exceptions, methods etc) here */

  PROCEDURE TEXT_MESSAGE_ENQUEUE
  (
      P_TEXT_MESSAGE            IN  VARCHAR2,
      P_QUEUE_NAME              IN  VARCHAR2
  );

  PROCEDURE TEXT_ENQUEUE_WITH_PRIORITY
  (
      P_TEXT_MESSAGE            IN  VARCHAR2,
      P_QUEUE_NAME              IN  VARCHAR2,
      P_PRIORITY                IN  NUMBER
  );

  PROCEDURE TEXT_ENQUEUE_WITH_CORRELATION
  (
      P_TEXT_MESSAGE            IN  VARCHAR2,
      P_QUEUE_NAME              IN  VARCHAR2,
      P_PRIORITY                IN  NUMBER,
      P_CORRELATION             IN  NUMBER
  );


END GCAL_PKG_ENQUEUE;


create or replace
PACKAGE BODY                                                       GCAL_PKG_ENQUEUE AS

  PROCEDURE TEXT_MESSAGE_ENQUEUE
  (
      P_TEXT_MESSAGE            IN  VARCHAR2,
      P_QUEUE_NAME              IN  VARCHAR2
  ) AS
    v_defaultPriority  NUMBER;
  BEGIN
    v_defaultPriority := 5;
    TEXT_ENQUEUE_WITH_PRIORITY(P_TEXT_MESSAGE, P_QUEUE_NAME, v_defaultPriority);
  END TEXT_MESSAGE_ENQUEUE;

  PROCEDURE TEXT_ENQUEUE_WITH_PRIORITY
  (
     P_TEXT_MESSAGE            IN  VARCHAR2,
      P_QUEUE_NAME              IN  VARCHAR2,
      P_PRIORITY                IN  NUMBER
  ) AS
  BEGIN
     TEXT_ENQUEUE_WITH_CORRELATION(P_TEXT_MESSAGE, P_QUEUE_NAME, P_PRIORITY, NULL);
  END TEXT_ENQUEUE_WITH_PRIORITY;


  PROCEDURE TEXT_ENQUEUE_WITH_CORRELATION
  (
      P_TEXT_MESSAGE            IN  VARCHAR2,
      P_QUEUE_NAME              IN  VARCHAR2,
      P_PRIORITY                IN  NUMBER,
      P_CORRELATION             IN  NUMBER
  ) AS
    AGENT              SYS.AQ$_AGENT := SYS.AQ$_AGENT(' ', NULL, 0);
    MESSAGE            SYS.AQ$_JMS_TEXT_MESSAGE;
    ENQUEUE_OPTIONS    DBMS_AQ.ENQUEUE_OPTIONS_T;
    MESSAGE_PROPERTIES DBMS_AQ.MESSAGE_PROPERTIES_T;
    MSGID              RAW(16);
    JAVA_EXP           EXCEPTION;
    PRAGMA             EXCEPTION_INIT(JAVA_EXP, -24197);
  BEGIN
    MESSAGE := SYS.AQ$_JMS_TEXT_MESSAGE.CONSTRUCT;
    MESSAGE.SET_TEXT(P_TEXT_MESSAGE);
    MESSAGE.SET_REPLYTO(AGENT);
    MESSAGE.SET_TYPE('JMS_TEXT_MESSAGE');
    MESSAGE.SET_USERID(SYS_CONTEXT('USERENV','SESSION_USER'));
    MESSAGE.SET_APPID(SYS_CONTEXT('USERENV','HOST'));
    MESSAGE_PROPERTIES.PRIORITY := P_PRIORITY;

    IF P_CORRELATION IS NOT NULL THEN
     MESSAGE_PROPERTIES.CORRELATION := P_CORRELATION;
    END IF;
 -- Enqueue this message into AQ queue using DBMS_AQ package
    DBMS_AQ.ENQUEUE(QUEUE_NAME => P_QUEUE_NAME,
                    ENQUEUE_OPTIONS => ENQUEUE_OPTIONS,
                    MESSAGE_PROPERTIES => MESSAGE_PROPERTIES,
                    PAYLOAD => MESSAGE,
                    MSGID => MSGID);
    EXCEPTION
      WHEN JAVA_EXP THEN
        RAISE;
      WHEN OTHERS THEN
        RAISE;
  END TEXT_ENQUEUE_WITH_CORRELATION;

END GCAL_PKG_ENQUEUE;

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