package com.taobao.top.analysis.statistics.map;
import java.util.Iterator;
import java.util.List;
import com.taobao.top.analysis.node.job.JobTask;
import com.taobao.top.analysis.statistics.data.InnerKey;
import com.taobao.top.analysis.statistics.data.ObjectColumn;
import com.taobao.top.analysis.statistics.data.ReportEntry;
import com.taobao.top.analysis.util.AnalysisConstants;
import com.taobao.top.analysis.util.ReportUtil;
/**
*
* @author zhudi
* 默认的mapper实现
*
*/
public class DefaultMapper extends AbstractMapper {
/**
*
*/
private static final long serialVersionUID = 697288673757584978L;
@Override
protected String generateKey(ReportEntry entry, String[] contents, JobTask jobtask) {
StringBuilder key = new StringBuilder();
Iterator<ObjectColumn> subkeys = null;
if (entry.getSubKeys() != null)
subkeys = entry.getSubKeys().iterator();
for (int c : entry.getKeys()) {
// 全局统计，没有key
if (c == AnalysisConstants.GLOBAL_KEY)
return AnalysisConstants.GLOBAL_KEY_STR;
if (c == AnalysisConstants.Object_KEY)
{
ObjectColumn oc = subkeys.next();
if (oc == null)
throw new java.lang.RuntimeException(new StringBuilder(entry.getName()).append(" objectColumn not exist!").toString());
String column = contents[oc.getcIndex() - 1];
return ReportUtil.getValueFromJosnObj(column,oc.getSubKeyName());
}
if (c > contents.length) {
if (!threshold.sholdBlock()) {
StringBuilder sb = new StringBuilder();
sb.append("Entry :").append(entry.getId()).append(", job : ")
.append(jobtask.getJobName()).append(", entry:").append(entry.getName()).append(", index:")
.append(c).append("\r record: ").append(contents.length).append(", content[");
for(String s : contents) {
sb.append(s).append(",");
}
sb.append("]");
logger.error(sb.toString());
}
return null;
}
key.append(innerKeyReplace(c, contents[c - 1], jobtask.getStatisticsRule().getInnerKeyPool())).append(
AnalysisConstants.SPLIT_KEY);
}
return key.toString();
}
private static String innerKeyReplace(int key,String value,List<InnerKey> innerKeyPool)
{
String result = value;
if (innerKeyPool == null || (innerKeyPool != null && innerKeyPool.size() == 0))
return result;
for(InnerKey ik : innerKeyPool)
{
if (ik.getKey() == key)
{
if (ik.getInnerKeys().get(value) != null)
result = ik.getInnerKeys().get(value);
break;
}
}
return result;
}
@Override
protected Object generateValue(ReportEntry entry,
Object[] contents, JobTask jobtask) {
return entry.getCalculator().calculator(contents);
}
}