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Java表达式测试

这次测试的表达式工具包含

效率排名 表达式引擎
1 qlExpress
2 apacheJexl
3 aviator
4 groovy
5 scriptEngine

测试方法

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public static final String expression = "(a+(b-c)*d/e) > 123";//

public static void main(String[] args) {

int times = 100000;
Map<String,Object> paraMap = new HashMap<>();
paraMap.put("a",122);
paraMap.put("b",100);
paraMap.put("c",93);
paraMap.put("d",3);
paraMap.put("e",7);

System.out.println("aviator cost " + aviatorKest(expression,paraMap,times));
System.out.println("scriptEngine cost " + scriptEngineKest(expression,paraMap,times));
System.out.println("qlExpress cost " + qlExpressKest(expression,paraMap,times));
System.out.println("groovy cost " + groovykest(expression,paraMap,times));
System.out.println("apacheJexl cost " + jexlKest(expression,paraMap,times));

}

/**
* https://www.yuque.com/boyan-avfmj/aviatorscript/fycwgt
* @param expression
* @param paraMap
* @param times
* @return
*/
public static long aviatorKest(String expression, Map<String,Object> paraMap, int times){

long start = System.currentTimeMillis();

AviatorEvaluatorInstance aviatorEvaluatorInstance = AviatorEvaluator.getInstance();

Expression compile = aviatorEvaluatorInstance.compile(expression, true);

for (int i = 0 ;i<times;i++){

Boolean ret = (Boolean)compile.execute(paraMap);

if(!ret){
System.err.println("aviatorKest return error");
}
}

return System.currentTimeMillis()-start;
}

public static long scriptEngineKest(String expression, Map<String,Object> paraMap, int times){

ScriptContext context = new SimpleScriptContext();

for (Map.Entry<String ,Object> entry : paraMap.entrySet()){
context.setAttribute(entry.getKey(),entry.getValue(),ENGINE_SCOPE);
}

long start = System.currentTimeMillis();

ScriptEngineManager factory = new ScriptEngineManager();
// scriptEngine is thread safe
ScriptEngine scriptEngine = factory.getEngineByName("JavaScript");

for (int i = 0 ;i<times;i++){

try {
Boolean res = (Boolean)scriptEngine.eval(expression,context);
if(!res){
System.err.println("aviatorKest return error");
}
}catch (Exception e){
e.printStackTrace();
}
}
return System.currentTimeMillis()-start;
}

/**
*
* https://github.com/alibaba/QLExpress
*
* @param expression
* @param paraMap
* @param times
* @return
*/
public static long qlExpressKest(String expression, Map<String,Object> paraMap, int times){

long start = System.currentTimeMillis();

ExpressRunner runner = new ExpressRunner();

DefaultContext<String, Object> context = new DefaultContext<>();
for (Map.Entry<String ,Object> entry : paraMap.entrySet()){
context.put(entry.getKey(),entry.getValue());
}

for (int i = 0 ;i<times;i++){

try {
Boolean ret = (Boolean)runner.execute(expression, context, null, true, false);

if(!ret){
System.err.println("aviatorKest return error");
}
} catch (Exception e) {
e.printStackTrace();
}
}

return System.currentTimeMillis()-start;
}

public static long groovykest(String expression, Map<String,Object> paraMap, int times){

long start = System.currentTimeMillis();

GroovyShell groovyShell = new GroovyShell();
Script script = groovyShell.parse(expression,"test");

for (int i = 0 ;i<times;i++) {
script.getBinding().getVariables().putAll(paraMap);
Boolean ret = (Boolean)script.run();
if(!ret){
System.err.println("aviatorKest return error");
}
}

return System.currentTimeMillis()-start;
}

//https://commons.apache.org/proper/commons-jexl/
public static long jexlKest(String expression, Map<String,Object> paraMap, int times){
long start = System.currentTimeMillis();

// Create a JexlEngine (could reuse one instead)
JexlEngine jexl = new JexlEngine();

// Create a context and add data
JexlContext jc = new MapContext();
for (Map.Entry<String ,Object> entry : paraMap.entrySet()){
jc.set(entry.getKey(),entry.getValue());
}

// Create an expression object
org.apache.commons.jexl2.Expression e = jexl.createExpression(expression);

for (int i = 0 ;i<times;i++) {

// Now evaluate the expression, getting the result
Boolean ret = (Boolean)e.evaluate(jc);
if (!ret) {
System.err.println("aviatorKest return error");
}
}

return System.currentTimeMillis()-start;
}