| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.memory; |
| |
| import java.util.List; |
| |
| class Stats { |
| |
| private static final int INTERVAL = 2000; |
| |
| private long startTime = System.currentTimeMillis(); |
| private long lastProgressDump = startTime; |
| private int pagesProduced; |
| |
| private int totalPagesProduced; |
| |
| private int step; |
| private int stepCount; |
| |
| private List samples = new java.util.LinkedList(); |
| |
| public void checkStats() { |
| long now = System.currentTimeMillis(); |
| if (now > lastProgressDump + INTERVAL) { |
| dumpStats(); |
| reset(); |
| } |
| } |
| |
| public void notifyPagesProduced(int count) { |
| pagesProduced += count; |
| totalPagesProduced += count; |
| } |
| |
| public void reset() { |
| pagesProduced = 0; |
| lastProgressDump = System.currentTimeMillis(); |
| } |
| |
| public void dumpStats() { |
| long duration = System.currentTimeMillis() - lastProgressDump; |
| |
| if (stepCount != 0) { |
| int progress = 100 * step / stepCount; |
| System.out.println("Progress: " + progress + "%, " + (stepCount - step) + " left"); |
| } |
| |
| long ppm = 60000 * pagesProduced / duration; |
| System.out.println("Speed: " + ppm + "ppm"); |
| samples.add(new Sample((int)ppm)); |
| } |
| |
| public void dumpFinalStats() { |
| long duration = System.currentTimeMillis() - startTime; |
| System.out.println("Final statistics"); |
| System.out.println("Pages produced: " + totalPagesProduced); |
| long ppm = 60000 * totalPagesProduced / duration; |
| System.out.println("Average speed: " + ppm + "ppm"); |
| } |
| |
| public String getGoogleChartURL() { |
| StringBuffer sb = new StringBuffer("http://chart.apis.google.com/chart?"); |
| //http://chart.apis.google.com/chart?cht=ls&chd=t:60,40&chs=250x100&chl=Hello|World |
| sb.append("cht=ls"); |
| sb.append("&chd=t:"); |
| boolean first = true; |
| int maxY = 0; |
| for (Object sample1 : samples) { |
| Sample sample = (Sample) sample1; |
| if (first) { |
| first = false; |
| } else { |
| sb.append(','); |
| } |
| sb.append(sample.ppm); |
| maxY = Math.max(maxY, sample.ppm); |
| } |
| int ceilY = ((maxY / 1000) + 1) * 1000; |
| sb.append("&chs=1000x300"); //image size |
| sb.append("&chds=0,").append(ceilY); //data scale |
| sb.append("&chg=0,20"); //scale steps |
| sb.append("&chxt=y"); |
| sb.append("&chxl=0:|0|" + ceilY); |
| return sb.toString(); |
| } |
| |
| private static class Sample { |
| |
| private int ppm; |
| |
| public Sample(int ppm) { |
| this.ppm = ppm; |
| } |
| } |
| |
| public void progress(int step, int stepCount) { |
| this.step = step; |
| this.stepCount = stepCount; |
| |
| } |
| |
| } |