public void saveContext() throws Exception {
if (this.insId <= 0L) GDB.getInstance().addXORMObjWithNewId(this);
else {
GDB.getInstance().updateXORMObjToDB(Long.valueOf(this.insId), this);
}
StringBuilder sb = new StringBuilder();
BizFlowInsManager.getInstance().updateCxtIdx(this, true, sb);
this.bDirty = false;
}
public static BizFlowInsContext loadContext(long cxtid) throws Exception {
BizFlowInsContext bfi =
(BizFlowInsContext)
GDB.getInstance().getXORMObjByPkId(BizFlowInsContext.class, Long.valueOf(cxtid));
bfi.bDirty = false;
return bfi;
}
public static void renderXormFile(
HttpServletRequest req,
HttpServletResponse resp,
Class xormc,
String xormprop,
long pkid,
String filename,
boolean showpic,
Date lastmodify)
throws ClassNotFoundException, Exception {
filename = filename.replace(" ", "");
if (!showpic)
resp.addHeader(
"Content-Disposition",
"attachment; filename=" + new String(filename.getBytes(), "iso8859-1"));
if (lastmodify != null) {
resp.setDateHeader("Last-Modified", lastmodify.getTime());
}
if (req != null) {
long l = req.getDateHeader("If-Modified-Since");
if (l > 0) {
if (lastmodify != null
&& lastmodify.getTime() / 1000 <= l / 1000) { // 由于文件系统的最后修改时间精确到秒,所以需要去除毫秒以便于计算
resp.setStatus(304); // not modify
return;
}
}
}
GDB g = GDB.getInstance();
long filelen = g.getXORMFileContLength(xormc, xormprop, pkid);
if (filelen < 0) return;
resp.setContentLength((int) filelen);
resp.setContentType(Mime.getContentType(filename));
ServletOutputStream os = resp.getOutputStream();
GDB.getInstance().loadXORMFileContToOutputStream(xormc, xormprop, pkid, os);
os.flush();
}
/**
* 根据XORM定义和对应的文件属性列,输出文件内容.
*
* @param resp
* @param filename
* @param xorm_c
* @param xorm_prop
* @param xorm_pk
*/
public static void renderFile(
HttpServletResponse resp, String filename, Class xorm_c, String xorm_prop, long xorm_pk)
throws Exception {
InputStream is = null;
try {
is = GDB.getInstance().getXORMFileStreamByPkId(xorm_c, xorm_prop, xorm_pk);
if (is == null) return;
renderFile(resp, filename, is);
} finally {
if (is != null) is.close();
}
}
public void saveNodeId2InsMap() throws Exception {
GDB.getInstance()
.updateXORMObjToDBWithHasColNames(
Long.valueOf(this.insId), this, new String[] {"NodeInsMap"});
}