本文整理了Java中javax.xml.xquery.XQConnection.createExpression()方法的一些代码示例，展示了XQConnection.createExpression()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。XQConnection.createExpression()方法的具体详情如下：
包路径：javax.xml.xquery.XQConnection
类名称：XQConnection
方法名：createExpression

XQConnection.createExpression介绍

[英]Creates a new XQExpression object that can be used to perform execute immediate operations with XQuery expressions. The properties of the connection's default XQStaticContext are copied to the returned XQExpression.
[中]创建一个新的XQExpression对象，可用于使用XQuery表达式执行即时操作。连接的默认属性XQStaticContext将复制到返回的XQExpression。

代码示例

代码示例来源：origin: dsukhoroslov/bagri

public boolean searchSecQuery() throws XQException {
  
  String query = "declare default element namespace \"http://tpox-benchmark.com/security\";\n" +
    "for $sec in fn:collection(\"CLN_Security\")/s:Security\n" +
     "where $sec[SecurityInformation/*/Sector = 'Technology' and PE[. >= xs:decimal('25') and . < xs:decimal('28.0')] and Yield > xs:decimal('0')]\n" +			
    "return	<Security>\n" +	
    "\t{$sec/Symbol}\n" +
    "\t{$sec/Name}\n" +
    "\t{$sec/SecurityType}\n" +
    "\t{$sec/SecurityInformation//Sector}\n" +
    "\t{$sec/PE}\n" +
    "\t{$sec/Yield}\n" +
    "</Security>";
  XQExpression xqe = xqc.createExpression();
  XQResultSequence xqs = xqe.executeQuery(query);
  
  int cnt = 0;
  while (xqs.next()) {
    cnt++;
  }
  System.out.println("Got " + cnt + " results");
  return cnt > 0;
}

代码示例来源：origin: dsukhoroslov/bagri

public boolean searchSecQuery() throws XQException {
  
  String query = "declare default element namespace \"http://tpox-benchmark.com/security\";\n" +
    "for $sec in fn:collection(\"/{http://tpox-benchmark.com/security}Security\")/Security\n" +
     "where $sec[SecurityInformation/*/Sector = 'Technology' and PE[. >= xs:decimal('25') and . < xs:decimal('28.0')] and Yield > xs:decimal('0')]\n" +			
    "return	<Security>\n" +	
    "\t{$sec/Symbol}\n" +
    "\t{$sec/Name}\n" +
    "\t{$sec/SecurityType}\n" +
    "\t{$sec/SecurityInformation//Sector}\n" +
    "\t{$sec/PE}\n" +
    "\t{$sec/Yield}\n" +
    "</Security>";
  XQExpression xqe = xqc.createExpression();
  XQResultSequence xqs = xqe.executeQuery(query);
  
  int cnt = 0;
  while (xqs.next()) {
    cnt++;
  }
  System.out.println("Got " + cnt + " results");
  return cnt > 0;
}

代码示例来源：origin: dsukhoroslov/bagri

@Override
public String queryDocumentByUri(String uri) throws XQException {
  String query = "for $doc in fn:doc(\"" + uri + "\")\n" +
      "return $doc\n";
  XQExpression xqe = xqConn.createExpression();
  XQResultSequence xqs = xqe.executeQuery(query);
  String result = null;
  if (xqs.next()) {
    result = xqs.getItemAsString(null);
  }
  return result;
}

代码示例来源：origin: dsukhoroslov/bagri

public void removeSecCommand(long docId) throws XQException {

    XQExpression xqe = xqc.createExpression();
    xqe.bindLong(new QName("docId"), docId, xqc.createAtomicType(XQItemType.XQBASETYPE_LONG));
    xqe.executeCommand("removeDocument($docId)");
    xqe.close();
  }
/*

代码示例来源：origin: dsukhoroslov/bagri

@Override
public String queryDocumentFromCollection() throws XQException {
  String query = "for $doc in fn:collection()\n" +
      "return $doc\n";
  XQExpression xqe = xqConn.createExpression();
  XQResultSequence xqs = xqe.executeQuery(query);
  String result = null;
  if (xqs.next()) {
    result = xqs.getItemAsString(null);
  }
  return result;
}

代码示例来源：origin: dsukhoroslov/bagri

public void removeSecCommand(long docId) throws XQException {

    XQExpression xqe = xqc.createExpression();
    xqe.bindLong(new QName("docId"), docId, xqc.createAtomicType(XQItemType.XQBASETYPE_LONG));
    xqe.executeCommand("removeDocument($docId)");
    xqe.close();
  }
/*

代码示例来源：origin: dsukhoroslov/bagri

public void storeSecCommand() throws XQException {
  String dName = "..\\..\\etc\\samples\\tpox\\";
  String xml;
  try {
    xml = readTextFile(dName + "security5621.xml");
  } catch (IOException ex) {
    throw new XQException(ex.getMessage());
  }
  
  XQExpression xqe = xqc.createExpression();
  xqe.bindString(new QName("doc"), xml, xqc.createAtomicType(XQItemType.XQBASETYPE_STRING));
  xqe.executeCommand("storeDocument($doc)");
  // todo: get XDMDocument back somehow..
  // XDMDocument doc = (XDMDocument) ...
  xqe.close();
}

代码示例来源：origin: dsukhoroslov/bagri

public void storeSecCommand() throws XQException {
  String dName = "..\\..\\etc\\samples\\tpox\\";
  String xml;
  try {
    xml = readTextFile(dName + "security5621.xml");
  } catch (IOException ex) {
    throw new XQException(ex.getMessage());
  }
  
  XQExpression xqe = xqc.createExpression();
  xqe.bindString(new QName("doc"), xml, xqc.createAtomicType(XQItemType.XQBASETYPE_STRING));
  xqe.executeCommand("storeDocument($doc)");
  // todo: get XDMDocument back somehow..
  // XDMDocument doc = (XDMDocument) ...
  xqe.close();
}

代码示例来源：origin: dsukhoroslov/bagri

@Override
protected int execCommand(String query, Map<String, Parameter> params) throws XQException {
  
  XQExpression xqe = getConnection().createExpression();
  bindParams(params, xqe);
  xqe.executeCommand(query);
  // do next somehow!
  xqe.close();
  return 1;
}

代码示例来源：origin: dsukhoroslov/bagri

props2Context(schemaManager.getEntity().getProperties(), ctx);
props2Context(props, ctx);
XQExpression xqExp = xqConn.createExpression(ctx);
XQResultSequence xqSec = xqExp.executeQuery(query);
result = extractResult(xqSec, props);