it.unimi.dsi.Util.format()方法的使用及代码示例

x33g5p2x  于2022-02-01 转载在 其他  
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本文整理了Java中it.unimi.dsi.Util.format()方法的一些代码示例，展示了Util.format()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Util.format()方法的具体详情如下：
包路径：it.unimi.dsi.Util
类名称：Util
方法名：format

Util.format介绍

[英]Formats a number.

This method formats a double separating thousands and printing just two fractional digits.
[中]格式化一个数字。
这种方法格式化一个分隔千位的双精度格式，只打印两个小数位数。

代码示例

代码示例来源：origin: it.unimi.dsi/dsiutils

  1. private String itemsPerTimeInterval(long startCount, final long currentTime, long baseTime) {
  2.   final double secondsPerItem = ((count - startCount) * 1000.0) / (currentTime - baseTime);
  3.   if (speedTimeUnit == TimeUnit.SECONDS || speedTimeUnit == null && secondsPerItem >= 1) return Util.format(secondsPerItem) + " " + itemsName +  "/s";
  4.   if (speedTimeUnit == TimeUnit.MINUTES || speedTimeUnit == null && secondsPerItem * 60 >= 1) return Util.format(secondsPerItem * 60) + " " + itemsName +  "/m";
  5.   if (speedTimeUnit == TimeUnit.HOURS || speedTimeUnit == null && secondsPerItem * 3600 >= 1) return Util.format(secondsPerItem * 3600) + " " + itemsName +  "/h";
  6.   return Util.format(secondsPerItem * 86400) + " " + itemsName +  "/d";
  7. }

代码示例来源：origin: it.unimi.di/mg4j

  1. private static String format( long v, long total ) {
  2.   return v + " (" + Util.formatSize( v / 8 ) + "B, " + Util.format( 100. * v / total ) + "%)\n";
  3. }

代码示例来源：origin: blazegraph/database

  1. /** Formats a size.
  2.  *
  3.  * <P>This method formats a long using suitable unit multipliers (e.g., <samp>K</samp>, <samp>M</samp>, <samp>G</samp>, and <samp>T</samp>)
  4.  * and printing just two fractional digits.
  5.  * @param l a number, representing a size (e.g., memory).
  6.  * @return a string containing a pretty print of the number using unit multipliers.
  7.  */
  8. public static String formatSize( final long l ) {
  9.   if ( l >= 1000000000000L ) return format( l / 1000000000000.0 ) + "T";
  10.   if ( l >= 1000000000L ) return format( l / 1000000000.0 ) + "G";
  11.   if ( l >= 1000000L ) return format( l / 1000000.0 ) + "M";
  12.   if ( l >= 1000L ) return format( l / 1000.0 ) + "K";
  13.   return Long.toString( l );
  14. }

代码示例来源：origin: it.unimi.di/mg4j-big

  1. public void printStats( PrintStream stats ) {
  2.     stats.println( "Number of documents: " + Util.format( numberOfDocuments ) );
  3.     stats.println( "Number of terms: " + Util.format( currentTerm + 1 ) );
  4.     
  5.     stats.println( "Frequencies: " + Util.format( bitsForFrequencies ) + " bits, " + Util.format( bitsForFrequencies / ( currentTerm + 1.0 ) ) + " bits/frequency." );
  6.     stats.println( "Document pointers: " + Util.format( numberOfPostings ) + " (" + Util.format( bitsForPointers ) + " bits, " + Util.format( bitsForPointers / (double)numberOfPostings ) + " bits/pointer).");
  8.     if ( hasCounts ) stats.println( "Counts: " + Util.format( numberOfPostings ) + " (" + Util.format( bitsForCounts ) + " bits, " + Util.format( bitsForCounts/ (double)numberOfPostings ) + " bits/count).");
  9.     if ( hasPositions ) stats.println( "Occurrences: " + Util.format( numberOfOccurrences ) + " (" +  Util.format( bitsForPositions ) + " bits, " + Util.format( bitsForPositions / (double)numberOfOccurrences ) + " bits/occurrence).");
  10.     if ( hasPayloads ) stats.println( "Payloads: " + Util.format( numberOfPostings )  + " (" + Util.format( bitsForPayloads ) + " bits, " + Util.format( bitsForPayloads / (double)numberOfPostings )  + " bits/payload)." );
  11.     if ( hasPositions ) stats.println( "Total: " + Util.format( writtenBits() ) + " bits, " + Util.format( writtenBits() / (double)numberOfOccurrences ) + " bits/occurrence" );
  12.     else stats.println( "Total: " + Util.format( writtenBits() ) + " bits, " + Util.format( writtenBits() / (double)numberOfPostings ) + " bits/posting" );
  13.   }
  14. }

代码示例来源：origin: it.unimi.di/mg4j

  1. public void printStats( PrintStream stats ) {
  2.     stats.println( "Number of documents: " + Util.format( numberOfDocuments ) );
  3.     stats.println( "Number of terms: " + Util.format( currentTerm + 1 ) );
  4.     
  5.     stats.println( "Frequencies: " + Util.format( bitsForFrequencies ) + " bits, " + Util.format( bitsForFrequencies / ( currentTerm + 1.0 ) ) + " bits/frequency." );
  6.     stats.println( "Document pointers: " + Util.format( numberOfPostings ) + " (" + Util.format( bitsForPointers ) + " bits, " + Util.format( bitsForPointers / (double)numberOfPostings ) + " bits/pointer).");
  8.     if ( hasCounts ) stats.println( "Counts: " + Util.format( numberOfPostings ) + " (" + Util.format( bitsForCounts ) + " bits, " + Util.format( bitsForCounts/ (double)numberOfPostings ) + " bits/count).");
  9.     if ( hasPositions ) stats.println( "Occurrences: " + Util.format( numberOfOccurrences ) + " (" +  Util.format( bitsForPositions ) + " bits, " + Util.format( bitsForPositions / (double)numberOfOccurrences ) + " bits/occurrence).");
  10.     if ( hasPayloads ) stats.println( "Payloads: " + Util.format( numberOfPostings )  + " (" + Util.format( bitsForPayloads ) + " bits, " + Util.format( bitsForPayloads / (double)numberOfPostings )  + " bits/payload)." );
  11.     if ( hasPositions ) stats.println( "Total: " + Util.format( writtenBits() ) + " bits, " + Util.format( writtenBits() / (double)numberOfOccurrences ) + " bits/occurrence" );
  12.     else stats.println( "Total: " + Util.format( writtenBits() ) + " bits, " + Util.format( writtenBits() / (double)numberOfPostings ) + " bits/posting" );
  13.   }
  14. }

代码示例来源：origin: it.unimi.dsi/mg4j

  1. public void printStats( PrintStream stats ) {
  2.     stats.println( "Number of documents: " + Util.format( numberOfDocuments ) );
  3.     stats.println( "Number of terms: " + Util.format( currentTerm + 1 ) );
  4.     
  5.     stats.println( "Frequencies: " + Util.format( bitsForFrequencies ) + " bits, " + Util.format( bitsForFrequencies / ( currentTerm + 1.0 ) ) + " bits/frequency." );
  6.     stats.println( "Document pointers: " + Util.format( numberOfPostings ) + " (" + Util.format( bitsForPointers ) + " bits, " + Util.format( bitsForPointers / (double)numberOfPostings ) + " bits/pointer).");
  8.     if ( hasCounts ) stats.println( "Counts: " + Util.format( numberOfPostings ) + " (" + Util.format( bitsForCounts ) + " bits, " + Util.format( bitsForCounts/ (double)numberOfPostings ) + " bits/count).");
  9.     if ( hasPositions ) stats.println( "Occurrences: " + Util.format( numberOfOccurrences ) + " (" +  Util.format( bitsForPositions ) + " bits, " + Util.format( bitsForPositions / (double)numberOfOccurrences ) + " bits/occurrence).");
  10.     if ( hasPayloads ) stats.println( "Payloads: " + Util.format( numberOfPostings )  + " (" + Util.format( bitsForPayloads ) + " bits, " + Util.format( bitsForPayloads / (double)numberOfPostings )  + " bits/payload)." );
  11.     if ( hasPositions ) stats.println( "Total: " + Util.format( writtenBits() ) + " bits, " + Util.format( writtenBits() / (double)numberOfOccurrences ) + " bits/occurrence" );
  12.     else stats.println( "Total: " + Util.format( writtenBits() ) + " bits, " + Util.format( writtenBits() / (double)numberOfPostings ) + " bits/posting" );
  13.   }
  14. }

代码示例来源：origin: it.unimi.dsi/mg4j-big

  1. public void printStats( PrintStream stats ) {
  2.     stats.println( "Number of documents: " + Util.format( numberOfDocuments ) );
  3.     stats.println( "Number of terms: " + Util.format( currentTerm + 1 ) );
  4.     
  5.     stats.println( "Frequencies: " + Util.format( bitsForFrequencies ) + " bits, " + Util.format( bitsForFrequencies / ( currentTerm + 1.0 ) ) + " bits/frequency." );
  6.     stats.println( "Document pointers: " + Util.format( numberOfPostings ) + " (" + Util.format( bitsForPointers ) + " bits, " + Util.format( bitsForPointers / (double)numberOfPostings ) + " bits/pointer).");
  8.     if ( hasCounts ) stats.println( "Counts: " + Util.format( numberOfPostings ) + " (" + Util.format( bitsForCounts ) + " bits, " + Util.format( bitsForCounts/ (double)numberOfPostings ) + " bits/count).");
  9.     if ( hasPositions ) stats.println( "Occurrences: " + Util.format( numberOfOccurrences ) + " (" +  Util.format( bitsForPositions ) + " bits, " + Util.format( bitsForPositions / (double)numberOfOccurrences ) + " bits/occurrence).");
  10.     if ( hasPayloads ) stats.println( "Payloads: " + Util.format( numberOfPostings )  + " (" + Util.format( bitsForPayloads ) + " bits, " + Util.format( bitsForPayloads / (double)numberOfPostings )  + " bits/payload)." );
  11.     if ( hasPositions ) stats.println( "Total: " + Util.format( writtenBits() ) + " bits, " + Util.format( writtenBits() / (double)numberOfOccurrences ) + " bits/occurrence" );
  12.     else stats.println( "Total: " + Util.format( writtenBits() ) + " bits, " + Util.format( writtenBits() / (double)numberOfPostings ) + " bits/posting" );
  13.   }
  14. }

代码示例来源：origin: blazegraph/database

  1. /** Converts the data stored in this progress logger to a string. 
  2.    * 
  3.    * @return the data in this progress logger in a printable form.
  4.    */
  5.   
  6.   public String toString() {
  7.     final long t = stop - start + 1 ;
  8.   
  9.     if ( t <= 0 ) return "Illegal progress logger state";
  11.     return "Elapsed: " + millis2hms( t ) + ( count != 0 ? " [" + Util.format( count ) + " " + itemsName + ", " + Util.format( count / ( t / 1000.0 ) ) + " " + itemsName + "/s]" : "" );
  12.   }
  13. }

代码示例来源：origin: it.unimi.dsi/mg4j-big

  1. /** Converts the data stored in this meter to a string. 
  2.    * 
  3.    * @return the data in this meter in a printable form.
  4.    */
  5.   
  6.   public String toString() {
  7.     final long t = stop - start + 1 ;
  8.   
  9.     if ( t <= 0 ) return "Illegal meter state";
  11.     return "Elapsed: " + millis2hms( t ) + ( count != 0 ? " [" + Util.format( count ) + " " + itemsName + ", " + Util.format( count / ( t / 1000.0 ) ) + " " + itemsName + "/s]" : "" );
  12.   }
  13. }

代码示例来源：origin: it.unimi.dsi/mg4j

  1. /** Converts the data stored in this meter to a string. 
  2.    * 
  3.    * @return the data in this meter in a printable form.
  4.    */
  5.   
  6.   public String toString() {
  7.     final long t = stop - start + 1 ;
  8.   
  9.     if ( t <= 0 ) return "Illegal meter state";
  11.     return "Elapsed: " + millis2hms( t ) + ( count != 0 ? " [" + Util.format( count ) + " " + itemsName + ", " + Util.format( count / ( t / 1000.0 ) ) + " " + itemsName + "/s]" : "" );
  12.   }
  13. }

代码示例来源：origin: com.blazegraph/dsi-utils

  1. /** Converts the data stored in this progress logger to a string. 
  2.    * 
  3.    * @return the data in this progress logger in a printable form.
  4.    */
  5.   
  6.   public String toString() {
  7.     final long t = stop - start + 1 ;
  8.   
  9.     if ( t <= 0 ) return "Illegal progress logger state";
  11.     return "Elapsed: " + millis2hms( t ) + ( count != 0 ? " [" + Util.format( count ) + " " + itemsName + ", " + Util.format( count / ( t / 1000.0 ) ) + " " + itemsName + "/s]" : "" );
  12.   }
  13. }

代码示例来源：origin: it.unimi.dsi/sux4j

  1. /** Closes this store, disposing all associated resources. */
  2. @Override
  3. public void close() throws IOException {
  4.   if (! closed) {
  5.     LOGGER.debug("Wall clock for quicksort: " + Util.format(quickSortWallTime / 1E9) + "s");
  6.     closed = true;
  7.     for(final WritableByteChannel channel: writableByteChannel) channel.close();
  8.     for(final File f: file) f.delete();
  9.   }
  10. }

代码示例来源：origin: it.unimi.dsi/dsiutils

  1. private String timePerItem(long startCount, final long currentTime, long baseTime) {
  2.   final double secondsPerItem = (currentTime - baseTime) / ((count - startCount) * 1000.0);
  3.   if (itemTimeUnit == null && secondsPerItem >= 86400) return Util.format(secondsPerItem / 86400) + " d/" + itemName();
  4.   if (itemTimeUnit == TimeUnit.HOURS || itemTimeUnit == null && secondsPerItem >= 3600) return Util.format(secondsPerItem / 3600) + " h/" + itemName();
  5.   if (itemTimeUnit == TimeUnit.MINUTES || itemTimeUnit == null && secondsPerItem >= 60) return Util.format(secondsPerItem / 60) + " m/" + itemName();
  6.   if (itemTimeUnit == TimeUnit.SECONDS || itemTimeUnit == null && secondsPerItem >= 1) return Util.format(secondsPerItem) + " s/" + itemName();
  7.   if (itemTimeUnit == TimeUnit.MILLISECONDS || itemTimeUnit == null && secondsPerItem >= 1E-3) return Util.format(secondsPerItem * 1E3) + " ms/" + itemName();
  8.   if (itemTimeUnit == TimeUnit.MICROSECONDS || itemTimeUnit == null && secondsPerItem >= 1E-6) return Util.format(secondsPerItem * 1E6) + " \u00b5s/" + itemName();
  9.   return Util.format(secondsPerItem * 1E9) + " ns/" + itemName();
  10. }

代码示例来源：origin: blazegraph/database

  1. private void updateInternal() {
  2.   final long currentTime = System.currentTimeMillis();
  3.   final long millisToEnd = Math.round( ( expectedUpdates - count ) * ( ( currentTime - start ) / ( count + 1.0 ) ) );
  4.   // Formatting is expensive, so we check for actual logging.
  5.   if ( logger.isEnabledFor( priority ) ) 
  6.     logger.log( priority, Util.format( count ) + " " + itemsName + ", " + 
  7.         millis2hms( millis() ) + ", " + Util.format( ( count * 1000.0 ) / ( currentTime - start ) ) + " " + itemsName + 
  8.         "/s"  + ( expectedUpdates > 0 ? "; " + Util.format( ( 100 * count ) / expectedUpdates ) + "% done, " + 
  9.         millis2hms( millisToEnd ) + " to end" : "" ) + freeMemory() + ( info != null ? "; " + info : "" ) );
  10.   lastLog = currentTime;
  11.   return;
  12. }

代码示例来源：origin: com.blazegraph/dsi-utils

  1. private void updateInternal() {
  2.   final long currentTime = System.currentTimeMillis();
  3.   final long millisToEnd = Math.round( ( expectedUpdates - count ) * ( ( currentTime - start ) / ( count + 1.0 ) ) );
  4.   // Formatting is expensive, so we check for actual logging.
  5.   if ( logger.isEnabledFor( priority ) ) 
  6.     logger.log( priority, Util.format( count ) + " " + itemsName + ", " + 
  7.         millis2hms( millis() ) + ", " + Util.format( ( count * 1000.0 ) / ( currentTime - start ) ) + " " + itemsName + 
  8.         "/s"  + ( expectedUpdates > 0 ? "; " + Util.format( ( 100 * count ) / expectedUpdates ) + "% done, " + 
  9.         millis2hms( millisToEnd ) + " to end" : "" ) + freeMemory() + ( info != null ? "; " + info : "" ) );
  10.   lastLog = currentTime;
  11.   return;
  12. }

代码示例来源：origin: it.unimi.dsi/webgraph

  1. protected static void logBatches(final ObjectArrayList<File> batches, final long pairs, final ProgressLogger pl) {
  2.   long length = 0;
  3.   for(final File f : batches) length += f.length();
  4.   pl.logger().info("Created " + batches.size() + " batches using " + Util.format((double)Byte.SIZE * length / pairs) + " bits/arc.");
  5. }

代码示例来源：origin: it.unimi.dsi/dsiutils

  1. @Override
  2.   public String toString() {
  3.     return "[size: " + Util.format(size64()) + " min: " + min + " max: " + max + " \u03BC: " + mean() + " \u03C3: " + sampleStandardDeviation() + " (" + Util.format(100 * sampleRelativeStandardDeviation()) + " %)]";
  4.   }
  5. }

代码示例来源：origin: it.unimi.di/mg4j-big

  1. public enum IndexType {
  2.   /** An old-style, interleaved index. */
  3.   INTERLEAVED,
  4.   /** A high-performance index which stores position separately. */
  5.   HIGH_PERFORMANCE,
  6.   /** A quasi-succinct index. */
  7.   QUASI_SUCCINCT
  8. }

代码示例来源：origin: it.unimi.di/mg4j

  1. public enum IndexType {
  2.   /** An old-style, interleaved index. */
  3.   INTERLEAVED,
  4.   /** A high-performance index which stores position separately. */
  5.   HIGH_PERFORMANCE,
  6.   /** A quasi-succinct index. */
  7.   QUASI_SUCCINCT
  8. }

代码示例来源：origin: it.unimi.dsi/dsiutils

  1. private void updateInternal(final long currentTime) {
  2.   final long millisToEnd = Math.round((expectedUpdates - count) * ((currentTime - startTime) / (count + 1.0)));
  3.   // Formatting is expensive, so we check for actual logging.
  4.   if (logger().isInfoEnabled())
  5.     logger().info(Util.format(count) + " " + itemsName + ", " +
  6.         millis2hms(millis()) + ", " + itemsPerTimeInterval(0, currentTime, startTime) + ", " + timePerItem(0, currentTime, startTime) +
  7.         (displayLocalSpeed ? " [" + itemsPerTimeInterval(lastCount, currentTime, lastLogTime) + ", " + timePerItem(lastCount, currentTime, lastLogTime) + "]" : "") +
  8.         (expectedUpdates > 0 ? "; " + Util.format((100 * count) / expectedUpdates) + "% done, " +
  9.         millis2hms(millisToEnd) + " to end" : "") + freeMemory() + (info != null ? "; " + info : ""));
  10.   lastLogTime = currentTime;
  11.   lastCount = count;
  12.   return;
  13. }

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