http://metrics.dropwizard.io/metrics-core: Metrics is a Java library which gives you unparalleled insight into what your code does in production. Metrics provides a powerful toolkit of ways to measure the behavior of critical components in your production environment.
  • Coda Hale
  • Ryan Tenney
  • Artem Prigoda 
public class com.codahale.metrics.UniformSnapshot extends com.codahale.metrics.Snapshot
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.codahale.metrics.UniformSnapshot
  super_class: com.codahale.metrics.Snapshot
{
  private final long[] values;
    descriptor: [J
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(java.util.Collection<java.lang.Long>);
    descriptor: (Ljava/util/Collection;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=2
        start local 0 // com.codahale.metrics.UniformSnapshot this
        start local 1 // java.util.Collection values
         0: .line 24
            aload 0 /* this */
            invokespecial com.codahale.metrics.Snapshot.<init>:()V
         1: .line 25
            aload 1 /* values */
            invokeinterface java.util.Collection.toArray:()[Ljava/lang/Object;
            astore 2 /* copy */
        start local 2 // java.lang.Object[] copy
         2: .line 26
            aload 0 /* this */
            aload 2 /* copy */
            arraylength
            newarray 11
            putfield com.codahale.metrics.UniformSnapshot.values:[J
         3: .line 27
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         4: goto 7
         5: .line 28
      StackMap locals: com.codahale.metrics.UniformSnapshot java.util.Collection java.lang.Object[] int
      StackMap stack:
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            iload 3 /* i */
            aload 2 /* copy */
            iload 3 /* i */
            aaload
            checkcast java.lang.Long
            invokevirtual java.lang.Long.longValue:()J
            lastore
         6: .line 27
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
         7: iload 3 /* i */
            aload 2 /* copy */
            arraylength
            if_icmplt 5
        end local 3 // int i
         8: .line 30
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            invokestatic java.util.Arrays.sort:([J)V
         9: .line 31
            return
        end local 2 // java.lang.Object[] copy
        end local 1 // java.util.Collection values
        end local 0 // com.codahale.metrics.UniformSnapshot this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   10     0    this  Lcom/codahale/metrics/UniformSnapshot;
            0   10     1  values  Ljava/util/Collection<Ljava/lang/Long;>;
            2   10     2    copy  [Ljava/lang/Object;
            4    8     3       i  I
    Signature: (Ljava/util/Collection<Ljava/lang/Long;>;)V
    MethodParameters:
        Name  Flags
      values  

  public void <init>(long[]);
    descriptor: ([J)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // com.codahale.metrics.UniformSnapshot this
        start local 1 // long[] values
         0: .line 38
            aload 0 /* this */
            invokespecial com.codahale.metrics.Snapshot.<init>:()V
         1: .line 39
            aload 0 /* this */
            aload 1 /* values */
            aload 1 /* values */
            arraylength
            invokestatic java.util.Arrays.copyOf:([JI)[J
            putfield com.codahale.metrics.UniformSnapshot.values:[J
         2: .line 40
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            invokestatic java.util.Arrays.sort:([J)V
         3: .line 41
            return
        end local 1 // long[] values
        end local 0 // com.codahale.metrics.UniformSnapshot this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0    this  Lcom/codahale/metrics/UniformSnapshot;
            0    4     1  values  [J
    MethodParameters:
        Name  Flags
      values  

  public double getValue(double);
    descriptor: (D)D
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=8, locals=10, args_size=2
        start local 0 // com.codahale.metrics.UniformSnapshot this
        start local 1 // double quantile
         0: .line 51
            dload 1 /* quantile */
            dconst_0
            dcmpg
            iflt 1
            dload 1 /* quantile */
            dconst_1
            dcmpl
            ifgt 1
            dload 1 /* quantile */
            invokestatic java.lang.Double.isNaN:(D)Z
            ifeq 2
         1: .line 52
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            dload 1 /* quantile */
            invokestatic java.lang.String.valueOf:(D)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " is not in [0..1]"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 55
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            arraylength
            ifne 4
         3: .line 56
            dconst_0
            dreturn
         4: .line 59
      StackMap locals:
      StackMap stack:
            dload 1 /* quantile */
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            arraylength
            iconst_1
            iadd
            i2d
            dmul
            dstore 3 /* pos */
        start local 3 // double pos
         5: .line 60
            dload 3 /* pos */
            d2i
            istore 5 /* index */
        start local 5 // int index
         6: .line 62
            iload 5 /* index */
            iconst_1
            if_icmpge 8
         7: .line 63
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            iconst_0
            laload
            l2d
            dreturn
         8: .line 66
      StackMap locals: double int
      StackMap stack:
            iload 5 /* index */
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            arraylength
            if_icmplt 10
         9: .line 67
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            arraylength
            iconst_1
            isub
            laload
            l2d
            dreturn
        10: .line 70
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            iload 5 /* index */
            iconst_1
            isub
            laload
            l2d
            dstore 6 /* lower */
        start local 6 // double lower
        11: .line 71
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            iload 5 /* index */
            laload
            l2d
            dstore 8 /* upper */
        start local 8 // double upper
        12: .line 72
            dload 6 /* lower */
            dload 3 /* pos */
            dload 3 /* pos */
            invokestatic java.lang.Math.floor:(D)D
            dsub
            dload 8 /* upper */
            dload 6 /* lower */
            dsub
            dmul
            dadd
            dreturn
        end local 8 // double upper
        end local 6 // double lower
        end local 5 // int index
        end local 3 // double pos
        end local 1 // double quantile
        end local 0 // com.codahale.metrics.UniformSnapshot this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   13     0      this  Lcom/codahale/metrics/UniformSnapshot;
            0   13     1  quantile  D
            5   13     3       pos  D
            6   13     5     index  I
           11   13     6     lower  D
           12   13     8     upper  D
    MethodParameters:
          Name  Flags
      quantile  

  public int size();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.codahale.metrics.UniformSnapshot this
         0: .line 82
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            arraylength
            ireturn
        end local 0 // com.codahale.metrics.UniformSnapshot this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/codahale/metrics/UniformSnapshot;

  public long[] getValues();
    descriptor: ()[J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.codahale.metrics.UniformSnapshot this
         0: .line 92
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            arraylength
            invokestatic java.util.Arrays.copyOf:([JI)[J
            areturn
        end local 0 // com.codahale.metrics.UniformSnapshot this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/codahale/metrics/UniformSnapshot;

  public long getMax();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // com.codahale.metrics.UniformSnapshot this
         0: .line 102
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            arraylength
            ifne 2
         1: .line 103
            lconst_0
            lreturn
         2: .line 105
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            arraylength
            iconst_1
            isub
            laload
            lreturn
        end local 0 // com.codahale.metrics.UniformSnapshot this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lcom/codahale/metrics/UniformSnapshot;

  public long getMin();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.codahale.metrics.UniformSnapshot this
         0: .line 115
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            arraylength
            ifne 2
         1: .line 116
            lconst_0
            lreturn
         2: .line 118
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            iconst_0
            laload
            lreturn
        end local 0 // com.codahale.metrics.UniformSnapshot this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lcom/codahale/metrics/UniformSnapshot;

  public double getMean();
    descriptor: ()D
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=8, args_size=1
        start local 0 // com.codahale.metrics.UniformSnapshot this
         0: .line 128
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            arraylength
            ifne 2
         1: .line 129
            dconst_0
            dreturn
         2: .line 132
      StackMap locals:
      StackMap stack:
            dconst_0
            dstore 1 /* sum */
        start local 1 // double sum
         3: .line 133
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            dup
            astore 7
            arraylength
            istore 6
            iconst_0
            istore 5
            goto 7
      StackMap locals: com.codahale.metrics.UniformSnapshot double top top int int long[]
      StackMap stack:
         4: aload 7
            iload 5
            laload
            lstore 3 /* value */
        start local 3 // long value
         5: .line 134
            dload 1 /* sum */
            lload 3 /* value */
            l2d
            dadd
            dstore 1 /* sum */
        end local 3 // long value
         6: .line 133
            iinc 5 1
      StackMap locals:
      StackMap stack:
         7: iload 5
            iload 6
            if_icmplt 4
         8: .line 136
            dload 1 /* sum */
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            arraylength
            i2d
            ddiv
            dreturn
        end local 1 // double sum
        end local 0 // com.codahale.metrics.UniformSnapshot this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    9     0   this  Lcom/codahale/metrics/UniformSnapshot;
            3    9     1    sum  D
            5    6     3  value  J

  public double getStdDev();
    descriptor: ()D
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=12, args_size=1
        start local 0 // com.codahale.metrics.UniformSnapshot this
         0: .line 148
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            arraylength
            iconst_1
            if_icmpgt 2
         1: .line 149
            dconst_0
            dreturn
         2: .line 152
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual com.codahale.metrics.UniformSnapshot.getMean:()D
            dstore 1 /* mean */
        start local 1 // double mean
         3: .line 153
            dconst_0
            dstore 3 /* sum */
        start local 3 // double sum
         4: .line 155
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            dup
            astore 9
            arraylength
            istore 8
            iconst_0
            istore 7
            goto 9
      StackMap locals: com.codahale.metrics.UniformSnapshot double double top top int int long[]
      StackMap stack:
         5: aload 9
            iload 7
            laload
            lstore 5 /* value */
        start local 5 // long value
         6: .line 156
            lload 5 /* value */
            l2d
            dload 1 /* mean */
            dsub
            dstore 10 /* diff */
        start local 10 // double diff
         7: .line 157
            dload 3 /* sum */
            dload 10 /* diff */
            dload 10 /* diff */
            dmul
            dadd
            dstore 3 /* sum */
        end local 10 // double diff
        end local 5 // long value
         8: .line 155
            iinc 7 1
      StackMap locals:
      StackMap stack:
         9: iload 7
            iload 8
            if_icmplt 5
        10: .line 160
            dload 3 /* sum */
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            arraylength
            iconst_1
            isub
            i2d
            ddiv
            dstore 5 /* variance */
        start local 5 // double variance
        11: .line 161
            dload 5 /* variance */
            invokestatic java.lang.Math.sqrt:(D)D
            dreturn
        end local 5 // double variance
        end local 3 // double sum
        end local 1 // double mean
        end local 0 // com.codahale.metrics.UniformSnapshot this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   12     0      this  Lcom/codahale/metrics/UniformSnapshot;
            3   12     1      mean  D
            4   12     3       sum  D
            6    8     5     value  J
            7    8    10      diff  D
           11   12     5  variance  D

  public void dump(java.io.OutputStream);
    descriptor: (Ljava/io/OutputStream;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=7, locals=10, args_size=2
        start local 0 // com.codahale.metrics.UniformSnapshot this
        start local 1 // java.io.OutputStream output
         0: .line 171
            aconst_null
            astore 2
            aconst_null
            astore 3
         1: new java.io.PrintWriter
            dup
            new java.io.OutputStreamWriter
            dup
            aload 1 /* output */
            getstatic java.nio.charset.StandardCharsets.UTF_8:Ljava/nio/charset/Charset;
            invokespecial java.io.OutputStreamWriter.<init>:(Ljava/io/OutputStream;Ljava/nio/charset/Charset;)V
            invokespecial java.io.PrintWriter.<init>:(Ljava/io/Writer;)V
            astore 4 /* out */
        start local 4 // java.io.PrintWriter out
         2: .line 172
            aload 0 /* this */
            getfield com.codahale.metrics.UniformSnapshot.values:[J
            dup
            astore 9
            arraylength
            istore 8
            iconst_0
            istore 7
            goto 6
      StackMap locals: com.codahale.metrics.UniformSnapshot java.io.OutputStream java.lang.Throwable java.lang.Throwable java.io.PrintWriter top top int int long[]
      StackMap stack:
         3: aload 9
            iload 7
            laload
            lstore 5 /* value */
        start local 5 // long value
         4: .line 173
            aload 4 /* out */
            ldc "%d%n"
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            lload 5 /* value */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            aastore
            invokevirtual java.io.PrintWriter.printf:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/io/PrintWriter;
            pop
        end local 5 // long value
         5: .line 172
            iinc 7 1
      StackMap locals:
      StackMap stack:
         6: iload 7
            iload 8
            if_icmplt 3
         7: .line 175
            aload 4 /* out */
            ifnull 13
            aload 4 /* out */
            invokevirtual java.io.PrintWriter.close:()V
            goto 13
      StackMap locals: com.codahale.metrics.UniformSnapshot java.io.OutputStream java.lang.Throwable java.lang.Throwable java.io.PrintWriter
      StackMap stack: java.lang.Throwable
         8: astore 2
            aload 4 /* out */
            ifnull 9
            aload 4 /* out */
            invokevirtual java.io.PrintWriter.close:()V
        end local 4 // java.io.PrintWriter out
      StackMap locals:
      StackMap stack:
         9: aload 2
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
        10: astore 3
            aload 2
            ifnonnull 11
            aload 3
            astore 2
            goto 12
      StackMap locals:
      StackMap stack:
        11: aload 2
            aload 3
            if_acmpeq 12
            aload 2
            aload 3
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        12: aload 2
            athrow
        13: .line 176
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.io.OutputStream output
        end local 0 // com.codahale.metrics.UniformSnapshot this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   14     0    this  Lcom/codahale/metrics/UniformSnapshot;
            0   14     1  output  Ljava/io/OutputStream;
            2    9     4     out  Ljava/io/PrintWriter;
            4    5     5   value  J
      Exception table:
        from    to  target  type
           2     7       8  any
           1    10      10  any
    MethodParameters:
        Name  Flags
      output  
}
SourceFile: "UniformSnapshot.java"