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com.alogic.metrics.impl.DefaultMeasures Maven / Gradle / Ivy
package com.alogic.metrics.impl;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.lang3.StringUtils;
import com.alogic.metrics.Measures;
import com.alogic.metrics.Value;
import com.alogic.metrics.Fragment.Method;
/**
* 量度的缺省实现
*
* @author duanyy
*
* @since 1.6.6.13
*
*
*/
public class DefaultMeasures implements Measures{
/**
* 量度值
*/
protected Map values = new HashMap(5);
@Override
public String toString(){
StringBuffer buf = new StringBuffer();
Value[] vals = values();
for (Value v:vals){
buf.append(v).append(";");
}
return buf.toString();
}
@Override
public void toJson(Map json) {
if (json != null){
Value[] vals = values();
List list = new ArrayList(vals.length);
for (Value v:vals){
Map map = new HashMap();
v.toJson(map);
list.add(map);
}
json.put("meas", list);
}
}
@SuppressWarnings("unchecked")
@Override
public void fromJson(Map json) {
if (json != null){
Object meas = json.get("meas");
if (meas != null && meas instanceof List){
List list = (List)meas;
for (Object o:list){
if (o instanceof Map){
Map map = (Map)o;
Value value = newValue(map);
String key = value.key();
if (StringUtils.isNotEmpty(key)){
values.put(key, value);
}
}
}
}
}
}
@Override
public String getValue(String varName, Object context, String defaultValue) {
Value found = values.get(varName);
if (found == null){
return defaultValue;
}
return found.value().toString();
}
@Override
public String getRawValue(String varName, Object context, String dftValue) {
return getValue(varName,context,dftValue);
}
@Override
public Object getContext(String varName) {
return this;
}
@Override
public Measures set(String key, String value) {
Value v = newValue(key,value,Method.lst);
values.put(key, v);
return this;
}
@Override
public Measures set(String key, long value, Method m) {
Value v = newValue(key,value,m);
values.put(key, v);
return this;
}
@Override
public Measures set(String key, long value) {
return set(key,value,Method.sum);
}
@Override
public Measures set(String key, double value, Method m) {
Value v = newValue(key,value,m);
values.put(key, v);
return this;
}
@Override
public Measures set(String key, double value) {
return set(key,value,Method.sum);
}
@Override
public long getAsLong(String key, long dftValue) {
Value found = values.get(key);
return found == null ? dftValue:found.asLong(dftValue);
}
@Override
public String getAsString(String key, String dftValue) {
Value found = values.get(key);
return found == null ? dftValue:found.asString(dftValue);
}
@Override
public double getAsDouble(String key, double dftValue) {
Value found = values.get(key);
return found == null ? dftValue:found.asDouble(dftValue);
}
@Override
public Measures incr(Measures other) {
Value[] vals = other.values();
for (Value val:vals){
String key = val.key();
Value found = values.get(key);
if (found == null){
Value added = newValue(key,val.value(),val.method());
values.put(key, added);
}else{
found.incr(val);
}
}
return this;
}
@Override
public Method getMethod(String key) {
Value found = values.get(key);
return found == null ? Method.lst:found.method();
}
@Override
public boolean exist(String key) {
return values.containsKey(key);
}
protected Value newValue(String key,Object value,Method m){
return new DefaultValue(key,value,m);
}
protected Value newValue(Map json){
return new DefaultValue(json);
}
@Override
public Value[] values() {
return values.values().toArray(new Value[values.size()]);
}
}
