/**
* 解析每一个rule
*
* @param rulesItr
* @return
*/
@SuppressWarnings("unchecked")
private Map<String, DBRule> getRuleList(Iterator rulesItr, LogicTabMatrix aVtabMatrix) {
Map<String, DBRule> rules = new HashMap<String, DBRule>();
while (rulesItr.hasNext()) {
Element ruleEle = (Element) rulesItr.next();
String id = validAndTrim(ruleEle.attributeValue("id"), "必须指定Rule的id");
DBRule rule = new DBRule();
String exp = trim(ruleEle.elementText("expression"));
rule.setExpression(exp);
String primaryKey = trim(ruleEle.elementText("primaryKey"));
rule.setPrimaryKey(primaryKey);
String primaryKeyExp = trim(ruleEle.elementText("primaryKeyExp"));
rule.setPrimaryKeyExp(primaryKeyExp);
String parameters = trim(ruleEle.elementText("parameters"));
rule.setParameters(parameters);
String readPoolStr = ruleEle.elementText("readPools");
String writePoolStr = ruleEle.elementText("writePools");
if (readPoolStr == null
|| writePoolStr == null
|| readPoolStr.trim().equals("")
|| writePoolStr.trim().equals("")) {
throw new TDLRunTimeException(
"readPool和writePool必须同时指名" + "readPool可以和writePool同名，但writePool不能为多个，也不能为虚拟池");
}
String[] readPools = readPoolStr.trim().split(",");
String[] writePools = writePoolStr.trim().split(",");
rule.setReadPool(readPools);
rule.setWritePool(writePools);
Element subTableRuleElement = ruleEle.element("tableRule");
if (subTableRuleElement != null) {
TabRule tabRule = getTabRule(subTableRuleElement);
tabRule.setPrimaryKey(primaryKey);
rule.setDBSubTabRule(tabRule);
log.debug("id:" + id + "的DBRule有subTableRule,因此使用subTableRule");
}
// add by shenxun 现在的逻辑是直接替换subRuleEle,以后不会再
// 使用globalRule这个项目了，它只在载入的时候临时起作用
else {
TabRule tabRule = aVtabMatrix.getGlobalTableRule();
if (tabRule != null) {
tabRule.setPrimaryKey(primaryKey);
}
rule.setDBSubTabRule(tabRule);
log.debug("id:" + id + "的DBRule没有subTableRule,因此使用globalTableRule");
}
rules.put(id, rule);
}
return rules;
}
/**
* 获取表规则。
*
* @param ele
* @return
*/
private TabRule getTabRule(Element ele) {
TabRule tabRule = new TabRule();
String parameters = trim(ele.elementText("parameters"));
tabRule.setParameter(parameters);
String expression = trim(ele.elementText("expression"));
tabRule.setExpFunction(expression);
String type = trim(ele.elementText("type"));
if (type != null && !type.equals("")) {
tabRule.setTableType(TableRuleType.valueOf(type.toUpperCase()));
}
String padding = trim(ele.elementText("padding"));
tabRule.setPadding(padding);
String width = trim(ele.elementText("width"));
tabRule.setWidth(width);
tabRule.setDefaultTable(trim(ele.elementText("defaultTableRange")));
String offset = ele.elementText("offset");
if (offset != null && !offset.trim().equals("")) {
tabRule.setOffset(Integer.valueOf(offset.trim()).intValue());
}
return tabRule;
}
