Java tutorial
/** * BSD-style license; for more info see http://pmd.sourceforge.net/license.html */ package net.sourceforge.pmd.benchmark; import java.io.PrintStream; import java.text.MessageFormat; import java.util.ArrayList; import java.util.Collections; import java.util.List; import java.util.Map; import java.util.Set; import org.apache.commons.lang3.StringUtils; import net.sourceforge.pmd.PMD; /** * * */ @Deprecated public class TextReport implements BenchmarkReport { private static final int TIME_COLUMN = 48; private static final int NAME_COLUMN_WIDTH = 50; private static final int VALUE_COLUMN_WIDTH = 8; @Override public void generate(Set<RuleDuration> stressResults, PrintStream stream) { stream.println("========================================================="); stream.println("Rule\t\t\t\t\t\tTime in ms"); stream.println("========================================================="); for (RuleDuration result : stressResults) { StringBuilder buffer = new StringBuilder(result.rule.getName()); while (buffer.length() < TIME_COLUMN) { buffer.append(' '); } buffer.append(result.time); stream.println(stream.toString()); } stream.println("========================================================="); } public void report(Map<String, BenchmarkResult> benchmarksByName) { generate(benchmarksByName, System.out); } @Override public void generate(Map<String, BenchmarkResult> benchmarksByName, PrintStream stream) { List<BenchmarkResult> results = new ArrayList<>(benchmarksByName.values()); long[] totalTime = new long[Benchmark.TotalPMD.index + 1]; long[] totalCount = new long[Benchmark.TotalPMD.index + 1]; for (BenchmarkResult benchmarkResult : results) { totalTime[benchmarkResult.type.index] += benchmarkResult.getTime(); totalCount[benchmarkResult.type.index] += benchmarkResult.getCount(); if (benchmarkResult.type.index < Benchmark.MeasuredTotal.index) { totalTime[Benchmark.MeasuredTotal.index] += benchmarkResult.getTime(); } } results.add(new BenchmarkResult(Benchmark.RuleTotal, totalTime[Benchmark.RuleTotal.index], 0)); results.add(new BenchmarkResult(Benchmark.RuleChainTotal, totalTime[Benchmark.RuleChainTotal.index], 0)); results.add(new BenchmarkResult(Benchmark.MeasuredTotal, totalTime[Benchmark.MeasuredTotal.index], 0)); results.add(new BenchmarkResult(Benchmark.NonMeasuredTotal, totalTime[Benchmark.TotalPMD.index] - totalTime[Benchmark.MeasuredTotal.index], 0)); Collections.sort(results); StringBuilderCR buf = new StringBuilderCR(PMD.EOL); boolean writeRuleHeader = true; boolean writeRuleChainRuleHeader = true; long ruleCount = 0; long ruleChainCount = 0; for (BenchmarkResult benchmarkResult : results) { StringBuilder buf2 = new StringBuilder(benchmarkResult.name); buf2.append(':'); while (buf2.length() <= NAME_COLUMN_WIDTH) { buf2.append(' '); } String result = MessageFormat.format("{0,number,0.000}", Double.valueOf(benchmarkResult.getTime() / 1000000000.0)); buf2.append(StringUtils.leftPad(result, VALUE_COLUMN_WIDTH)); if (benchmarkResult.type.index <= Benchmark.RuleChainRule.index) { buf2.append(StringUtils.leftPad( MessageFormat.format("{0,number,###,###,###,###,###}", benchmarkResult.getCount()), 20)); } switch (benchmarkResult.type) { case Rule: if (writeRuleHeader) { writeRuleHeader = false; buf.appendLn(); buf.appendLn("---------------------------------<<< Rules >>>---------------------------------"); buf.appendLn("Rule name Time (secs) # of Evaluations"); buf.appendLn(); } ruleCount++; break; case RuleChainRule: if (writeRuleChainRuleHeader) { writeRuleChainRuleHeader = false; buf.appendLn(); buf.appendLn("----------------------------<<< RuleChain Rules >>>----------------------------"); buf.appendLn("Rule name Time (secs) # of Visits"); buf.appendLn(); } ruleChainCount++; break; case CollectFiles: buf.appendLn(); buf.appendLn("--------------------------------<<< Summary >>>--------------------------------"); buf.appendLn("Segment Time (secs)"); buf.appendLn(); break; case MeasuredTotal: String s = MessageFormat.format("{0,number,###,###,###,###,###}", ruleCount); String t = MessageFormat.format("{0,number,0.000}", ruleCount == 0 ? 0 : total(totalTime, Benchmark.Rule, ruleCount)); buf.appendLn("Rule Average (", s, " rules):", StringUtils.leftPad(t, 37 - s.length())); s = MessageFormat.format("{0,number,###,###,###,###,###}", ruleChainCount); t = MessageFormat.format("{0,number,0.000}", ruleChainCount == 0 ? 0 : total(totalTime, Benchmark.RuleChainRule, ruleChainCount)); buf.appendLn("RuleChain Average (", s, " rules):", StringUtils.leftPad(t, 32 - s.length())); buf.appendLn(); buf.appendLn("-----------------------------<<< Final Summary >>>-----------------------------"); buf.appendLn("Total Time (secs)"); buf.appendLn(); break; default: // Do nothing break; } buf.appendLn(buf2.toString()); } stream.print(buf.toString()); } /** * * @param timeTotals * long[] * @param index * Benchmark * @param count * long * @return double */ private static double total(long[] timeTotals, Benchmark index, long count) { return timeTotals[index.index] / 1000000000.0d / count; } }