crabapples
/
Sentinel
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Renamed to MetricsReader

This commit is contained in:
Shalti 2018-08-28 16:17:51 +03:00 committed by 李豪
parent ac8698ed9f
commit dc0a7086b5
2 changed files with 16 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
sentinel-core/src/main/java/com/alibaba/csp/sentinel/node/metric/MetricSearcher.java
View File

@ -20,7 +20,6 @@ import java.io.EOFException;
import java.io.File;
import java.io.FileInputStream;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import com.alibaba.csp.sentinel.config.SentinelConfig;
@ -35,7 +34,7 @@ import com.alibaba.csp.sentinel.config.SentinelConfig;
public class MetricSearcher {
private static final Charset defaultCharset = Charset.forName(SentinelConfig.charset());
private final ExtractedMetricSearcher extractedMetricSearcher;
private final MetricsReader metricsReader;
private String baseDir;
private String baseFileName;
@ -70,7 +69,7 @@ public class MetricSearcher {
this.baseDir += File.separator;
}
this.baseFileName = baseFileName;
extractedMetricSearcher = new ExtractedMetricSearcher(charset);
metricsReader = new MetricsReader(charset);
}
/**
@ -100,7 +99,7 @@ public class MetricSearcher {
MetricWriter.formIndexFileName(fileName), offsetInIndex);
offsetInIndex = 0;
if (offset != -1) {
return readMetrics(fileNames, i, offset, recommendLines);
return metricsReader.readMetrics(fileNames, i, offset, recommendLines);
}
}
return null;
@ -135,7 +134,7 @@ public class MetricSearcher {
fileName + MetricWriter.METRIC_FILE_INDEX_SUFFIX, offsetInIndex);
offsetInIndex = 0;
if (offset != -1) {
return extractedMetricSearcher.readMetricsByEndTime(fileNames, i, offset, endTimeMs, identity);
return metricsReader.readMetricsByEndTime(fileNames, i, offset, endTimeMs, identity);
}
}
return null;
@ -191,16 +190,6 @@ public class MetricSearcher {
}
}
private List<MetricNode> readMetrics(List<String> fileNames, int pos,
long offset, int recommendLines) throws Exception {
List<MetricNode> list = new ArrayList<MetricNode>(recommendLines);
extractedMetricSearcher.readMetricsInOneFile(list, fileNames.get(pos++), offset, recommendLines);
while (list.size() < recommendLines && pos < fileNames.size()) {
extractedMetricSearcher.readMetricsInOneFile(list, fileNames.get(pos++), 0, recommendLines);
}
return list;
}
private long findOffset(long beginTime, String metricFileName,
String idxFileName, long offsetInIndex) throws Exception {
lastPosition.metricFileName = null;

14
sentinel-core/src/main/java/com/alibaba/csp/sentinel/node/metric/ExtractedMetricSearcher.java → sentinel-core/src/main/java/com/alibaba/csp/sentinel/node/metric/MetricsReader.java
View File

@ -7,14 +7,14 @@ import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
class ExtractedMetricSearcher {
class MetricsReader {
/**
* avoid OOM in any case
*/
private static final int maxLinesReturn = 100000;
private Charset charset;
public ExtractedMetricSearcher(Charset charset) {
public MetricsReader(Charset charset) {
this.charset = charset;
}
@ -104,4 +104,14 @@ class ExtractedMetricSearcher {
}
return list;
}
List<MetricNode> readMetrics(List<String> fileNames, int pos,
long offset, int recommendLines) throws Exception {
List<MetricNode> list = new ArrayList<MetricNode>(recommendLines);
readMetricsInOneFile(list, fileNames.get(pos++), offset, recommendLines);
while (list.size() < recommendLines && pos < fileNames.size()) {
readMetricsInOneFile(list, fileNames.get(pos++), 0, recommendLines);
}
return list;
}
}