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Breakdown.java
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201 lines (142 loc) · 4.61 KB
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package com.stackimpact.agent.model;
import java.util.Map;
import java.util.HashMap;
import java.util.List;
import java.util.ArrayList;
import java.util.Iterator;
public class Breakdown {
public final static String TYPE_CALLGRAPH = "callgraph";
public final static String TYPE_CALLSITE = "callsite";
public final static String TYPE_ERROR = "error";
public String type;
public String name;
public Map<String,String> metadata = new HashMap<String,String>();
public double measurement = 0;
public long numSamples = 0;
public Map<String,Breakdown> children = new HashMap<String,Breakdown>();
public Breakdown(String type, String name) {
this.type = type;
this.name = name;
}
public Map toMap() {
List childrenList = new ArrayList();
for (Breakdown child : children.values()) {
childrenList.add(child.toMap());
}
Map breakdownMap = new HashMap();
breakdownMap.put("type", type);
breakdownMap.put("name", name);
breakdownMap.put("metadata", metadata);
breakdownMap.put("measurement", measurement);
breakdownMap.put("num_samples", numSamples);
breakdownMap.put("children", childrenList);
return breakdownMap;
}
public void addMetadata(String key, String value) {
metadata.put(key, value);
}
public String getMetadata(String key) {
return metadata.get(key);
}
public Breakdown findChild(String name) {
return children.get(name);
}
public Breakdown findOrAddChild(String type, String name) {
Breakdown child = findChild(name);
if (child == null) {
child = new Breakdown(type, name);
addChild(child);
}
return child;
}
public void addChild(Breakdown child) {
children.put(child.name, child);
}
public void removeChild(String name) {
children.remove(name);
}
public void filter(int fromLevel, double min, double max) {
filterLevel(1, fromLevel, min, max);
}
public void filterLevel(int currentLevel, int fromLevel, double min, double max) {
Iterator<Map.Entry<String,Breakdown>> iter = children.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry<String,Breakdown> entry = iter.next();
Breakdown child = entry.getValue();
if (currentLevel >= fromLevel &&
(child.measurement < min || child.measurement > max)) {
iter.remove();
}
else {
child.filterLevel(currentLevel + 1, fromLevel, min, max);
}
}
}
public int depth() {
int max = 0;
for (Breakdown child : children.values()) {
int d = child.depth();
if (d > max) {
max = d;
}
}
return max + 1;
}
public void increment(double value, long count) {
measurement += value;
numSamples += count;
}
public void propagate() {
for (Breakdown child : children.values()) {
child.propagate();
measurement += child.measurement;
numSamples += child.numSamples;
}
}
public void normalize(double factor) {
measurement = measurement / factor;
numSamples = Math.round(Math.ceil(numSamples / factor));
for (Breakdown child : children.values()) {
child.normalize(factor);
}
}
public void round() {
measurement = Math.rint(measurement);
for (Breakdown child : children.values()) {
child.floor();
}
}
public void floor() {
measurement = Math.floor(measurement);
for (Breakdown child : children.values()) {
child.floor();
}
}
public void evaluatePercent(long totalSamples) {
if (totalSamples > 0) {
measurement = ((double)numSamples / totalSamples) * 100;
}
for (Breakdown child : children.values()) {
child.evaluatePercent(totalSamples);
}
}
public String dump() {
return dumpLevel(0);
}
public String dumpLevel(int level) {
StringBuilder out = new StringBuilder();
for (int i = 0; i < level; i++) {
out.append(" ");
}
out.append(name);
out.append(" - ");
out.append(measurement);
out.append(" (");
out.append(numSamples);
out.append(")\n");
for (Breakdown child : children.values()) {
out.append(child.dumpLevel(level + 1));
}
return out.toString();
}
}