本文整理了Java中javax.xml.xquery.XQPreparedExpression.getAllExternalVariables()方法的一些代码示例，展示了XQPreparedExpression.getAllExternalVariables()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。XQPreparedExpression.getAllExternalVariables()方法的具体详情如下：
包路径：javax.xml.xquery.XQPreparedExpression
类名称：XQPreparedExpression
方法名：getAllExternalVariables

XQPreparedExpression.getAllExternalVariables介绍

[英]Retrieves all the external variables defined in the prolog of the prepared expression.
[中]检索在准备好的表达式的序言中定义的所有外部变量。

代码示例

代码示例来源：origin: spring-projects/spring-integration-extensions

XQConnection conn = getConnection();
XQPreparedExpression expression = conn.prepareExpression(xQuery);
QName[] extParameters = expression.getAllExternalVariables();
if(extParameters != null && extParameters.length > 0) {
  xQueryParameters = new ArrayList<String>();

代码示例来源：origin: dsukhoroslov/bagri

@ManagedOperation(description="Parse XQuery. Return array of parameter names, if any")
@ManagedOperationParameters({
  @ManagedOperationParameter(name = "query", description = "A query request provided in XQuery syntax"),
  @ManagedOperationParameter(name = "props", description = "Query processing properties")})
public String[] parseQuery(String query, Properties props) {
  XQPreparedExpression xqpExp = null;
  try {
    XQStaticContext ctx = xqConn.getStaticContext();
    props2Context(schemaManager.getEntity().getProperties(), ctx);
    props2Context(props, ctx);
    xqpExp = xqConn.prepareExpression(query, ctx);
    QName[] vars = xqpExp.getAllExternalVariables();
    String[] result = null;
    if (vars != null) {
      result = new String[vars.length];
      for (int i=0; i < vars.length; i++) {
        result[i] = vars[i].toString();
      }
    }
    xqpExp.close();
    return result;
  } catch (XQException ex) {
    logger.error("parseQuery.error", ex); 
    throw new RuntimeException(ex.getMessage());
  } 
}