com.github.woozoo73.ht.callback.StatisticsRecorder.java Source code

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Here is the source code for com.github.woozoo73.ht.callback.StatisticsRecorder.java

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/*
 * Copyright 2013 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.github.woozoo73.ht.callback;

import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.reflect.MethodSignature;

import com.github.woozoo73.ht.Invocation;
import com.github.woozoo73.ht.stats.Record;

public class StatisticsRecorder implements InvocationCallback {

    private static Map<Method, Record> recordMap = new HashMap<Method, Record>();

    public static Map<Method, Record> getRecordMap() {
        return recordMap;
    }

    @Override
    public void before(Invocation invocation) {
    }

    @Override
    public void after(Invocation invocation) {
        if (invocation == null) {
            return;
        }

        JoinPoint joinPoint = invocation.getJoinPoint();
        if (joinPoint == null) {
            return;
        }

        Signature signature = joinPoint.getSignature();
        if (signature == null) {
            return;
        }

        if (!(signature instanceof MethodSignature)) {
            return;
        }

        MethodSignature methodSignature = (MethodSignature) signature;
        Method method = methodSignature.getMethod();

        record(method, invocation);
    }

    public static String prettyPrint() {
        StringBuilder builder = new StringBuilder();
        builder.append("Statistics Records").append("\n");
        builder.append("------------------------------").append("\n");
        Set<Method> methods = recordMap.keySet();
        for (Method method : methods) {
            Record record = recordMap.get(method);
            builder.append(method.toString()).append(" : ");
            builder.append(record.prettyPrint()).append("\n");
        }
        builder.append("------------------------------").append("\n");

        return builder.toString();
    }

    protected void record(Method method, Invocation invocation) {
        Record record = recordMap.get(method);
        if (record == null) {
            record = new Record();
            recordMap.put(method, record);
        }

        record.record(invocation);
    }

}