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- /*
- * 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.Iterator;
- 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;
- Iterator iter = samples.iterator();
- while (iter.hasNext()) {
- Sample sample = (Sample)iter.next();
- 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;
-
- }
-
- }
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