private void loadDataHosts(Element root) {
NodeList list = root.getElementsByTagName("dataHost");
for (int i = 0, n = list.getLength(); i < n; ++i) {
Element element = (Element) list.item(i);
String name = element.getAttribute("name");
if (dataHosts.containsKey(name)) {
throw new ConfigException("dataHost name " + name + "duplicated!");
}
int maxCon = Integer.valueOf(element.getAttribute("maxCon"));
int minCon = Integer.valueOf(element.getAttribute("minCon"));
int balance = Integer.valueOf(element.getAttribute("balance"));
String switchTypeStr = element.getAttribute("switchType");
int switchType = switchTypeStr.equals("") ? -1 : Integer.valueOf(switchTypeStr);
String slaveThresholdStr = element.getAttribute("slaveThreshold");
int slaveThreshold = slaveThresholdStr.equals("") ? -1 : Integer.valueOf(slaveThresholdStr);
String writeTypStr = element.getAttribute("writeType");
int writeType =
"".equals(writeTypStr) ? PhysicalDBPool.WRITE_ONLYONE_NODE : Integer.valueOf(writeTypStr);
String dbDriver = element.getAttribute("dbDriver");
String dbType = element.getAttribute("dbType");
String filters = element.getAttribute("filters");
String logTimeStr = element.getAttribute("logTime");
long logTime = "".equals(logTimeStr) ? PhysicalDBPool.LONG_TIME : Long.valueOf(logTimeStr);
String heartbeatSQL = element.getElementsByTagName("heartbeat").item(0).getTextContent();
NodeList connectionInitSqlList = element.getElementsByTagName("connectionInitSql");
String initConSQL = null;
if (connectionInitSqlList.getLength() > 0) {
initConSQL = connectionInitSqlList.item(0).getTextContent();
}
NodeList writeNodes = element.getElementsByTagName("writeHost");
DBHostConfig[] writeDbConfs = new DBHostConfig[writeNodes.getLength()];
Map<Integer, DBHostConfig[]> readHostsMap = new HashMap<Integer, DBHostConfig[]>(2);
for (int w = 0; w < writeDbConfs.length; w++) {
Element writeNode = (Element) writeNodes.item(w);
writeDbConfs[w] =
createDBHostConf(name, writeNode, dbType, dbDriver, maxCon, minCon, filters, logTime);
NodeList readNodes = writeNode.getElementsByTagName("readHost");
if (readNodes.getLength() != 0) {
DBHostConfig[] readDbConfs = new DBHostConfig[readNodes.getLength()];
for (int r = 0; r < readDbConfs.length; r++) {
Element readNode = (Element) readNodes.item(r);
readDbConfs[r] =
createDBHostConf(
name, readNode, dbType, dbDriver, maxCon, minCon, filters, logTime);
}
readHostsMap.put(w, readDbConfs);
}
}
DataHostConfig hostConf =
new DataHostConfig(
name, dbType, dbDriver, writeDbConfs, readHostsMap, switchType, slaveThreshold);
hostConf.setMaxCon(maxCon);
hostConf.setMinCon(minCon);
hostConf.setBalance(balance);
hostConf.setWriteType(writeType);
hostConf.setHearbeatSQL(heartbeatSQL);
hostConf.setConnectionInitSql(initConSQL);
hostConf.setFilters(filters);
hostConf.setLogTime(logTime);
dataHosts.put(hostConf.getName(), hostConf);
}
}
