org.apache.solr.kelvin.scorer.EventCollectorScorer.java Source code

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Here is the source code for org.apache.solr.kelvin.scorer.EventCollectorScorer.java

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/* 
Copyright 2013 Giovanni Bricconi
    
   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 org.apache.solr.kelvin.scorer;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Observable;
import java.util.Set;
import java.util.TreeSet;

import org.apache.solr.kelvin.ConfigurableLoader;
import org.apache.solr.kelvin.Measure;
import org.apache.solr.kelvin.Scorer;
import org.apache.solr.kelvin.events.ConditionFailureTestEvent;
import org.apache.solr.kelvin.events.ExceptionTestEvent;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ArrayNode;

public class EventCollectorScorer extends Scorer {

    private Map<Class<?>, List<Object>> collectedEvents = new HashMap<Class<?>, List<Object>>();

    private Set<String> excludeList = new TreeSet<String>();

    private Map<String, Integer> synteticCounters = new HashMap<String, Integer>();

    public void update(Observable o, Object arg) {
        if (excludeList.contains(arg.getClass().getName()))
            return; // do nothing is excluded
        if (arg instanceof ExceptionTestEvent) {
            arg = ((ExceptionTestEvent) arg).getException();
        }
        Class<? extends Object> eventClass = arg.getClass();
        if (!collectedEvents.containsKey(eventClass)) {
            collectedEvents.put(eventClass, new ArrayList<Object>());
        }
        collectedEvents.get(eventClass).add(arg);
        if (arg != null && arg instanceof ConditionFailureTestEvent) {
            String key = ((ConditionFailureTestEvent) arg).getParameters().toString();
            if (!synteticCounters.containsKey(key))
                synteticCounters.put(key, 1);
            else
                synteticCounters.put(key, synteticCounters.get(key) + 1);
        }
    }

    @Override
    public void configure(JsonNode config) throws Exception {
        if (!config.path("excludes").isMissingNode()) {
            ArrayNode excludes = ConfigurableLoader.assureArray(config.path("excludes"));
            for (int i = 0; i < excludes.size(); i++)
                excludeList.add(excludes.get(i).asText());
        } else {
            //defaults
            excludeList.add("org.apache.solr.kelvin.events.ResponseDecodedTestEvent");
            excludeList.add("org.apache.solr.kelvin.events.TestCaseTestEvent");
            //excludeList.add("org.apache.solr.kelvin.events.MissingFieldTestEvent");
            //excludeList.add("org.apache.solr.kelvin.events.MissingResultTestEvent");
        }
    }

    @Override
    public List<Measure> measureReport() {
        ArrayList<Measure> ret = new ArrayList<Measure>();
        for (Entry<Class<?>, List<Object>> entry : collectedEvents.entrySet()) {
            ret.add(new Measure(this.getClass().getName(), entry.getKey().getName(), entry.getValue().size()));
        }
        return ret;
    }

    public String simpleReport() {
        StringBuilder sb = new StringBuilder();
        sb.append("Collected Events =======================================================\n");
        for (Class<?> type : collectedEvents.keySet()) {
            sb.append(type.getName()).append('\n');
            for (Object event : collectedEvents.get(type)) {
                sb.append(event.toString()).append('\n');
            }
        }
        sb.append("End Collected Events ===================================================\n");
        sb.append("Syntetic Counters =======================================================\n");
        List<Entry<String, Integer>> sortedEvents = new ArrayList<Map.Entry<String, Integer>>(
                synteticCounters.entrySet());
        Collections.sort(sortedEvents, new Comparator<Entry<String, Integer>>() {

            public int compare(Entry<String, Integer> o1, Entry<String, Integer> o2) {
                int ret = o1.getValue() - o2.getValue();
                if (ret != 0)
                    return ret;
                return o1.getKey().compareTo(o2.getKey());
            }
        });

        for (Entry<String, Integer> e : sortedEvents) {
            sb.append(e.getKey()).append("\t").append(e.getValue()).append('\n');
        }
        sb.append("End Syntetic Counters =======================================================\n");
        return sb.toString();
    }
}