http://www.h2database.com: H2 Database Engine
  • Thomas Mueller 
public class org.h2.engine.QueryStatisticsData
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.h2.engine.QueryStatisticsData
  super_class: java.lang.Object
{
  private static final java.util.Comparator<org.h2.engine.QueryStatisticsData$QueryEntry> QUERY_ENTRY_COMPARATOR;
    descriptor: Ljava/util/Comparator;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    Signature: Ljava/util/Comparator<Lorg/h2/engine/QueryStatisticsData$QueryEntry;>;

  private final java.util.HashMap<java.lang.String, org.h2.engine.QueryStatisticsData$QueryEntry> map;
    descriptor: Ljava/util/HashMap;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/HashMap<Ljava/lang/String;Lorg/h2/engine/QueryStatisticsData$QueryEntry;>;

  private int maxQueryEntries;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 23
            new org.h2.engine.QueryStatisticsData$1
            dup
            invokespecial org.h2.engine.QueryStatisticsData$1.<init>:()V
         1: .line 22
            putstatic org.h2.engine.QueryStatisticsData.QUERY_ENTRY_COMPARATOR:Ljava/util/Comparator;
         2: .line 28
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.h2.engine.QueryStatisticsData this
        start local 1 // int maxQueryEntries
         0: .line 35
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 30
            aload 0 /* this */
         2: .line 31
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            putfield org.h2.engine.QueryStatisticsData.map:Ljava/util/HashMap;
         3: .line 36
            aload 0 /* this */
            iload 1 /* maxQueryEntries */
            putfield org.h2.engine.QueryStatisticsData.maxQueryEntries:I
         4: .line 37
            return
        end local 1 // int maxQueryEntries
        end local 0 // org.h2.engine.QueryStatisticsData this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    5     0             this  Lorg/h2/engine/QueryStatisticsData;
            0    5     1  maxQueryEntries  I
    MethodParameters:
                 Name  Flags
      maxQueryEntries  

  public synchronized void setMaxQueryEntries(int);
    descriptor: (I)V
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.h2.engine.QueryStatisticsData this
        start local 1 // int maxQueryEntries
         0: .line 40
            aload 0 /* this */
            iload 1 /* maxQueryEntries */
            putfield org.h2.engine.QueryStatisticsData.maxQueryEntries:I
         1: .line 41
            return
        end local 1 // int maxQueryEntries
        end local 0 // org.h2.engine.QueryStatisticsData this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    2     0             this  Lorg/h2/engine/QueryStatisticsData;
            0    2     1  maxQueryEntries  I
    MethodParameters:
                 Name  Flags
      maxQueryEntries  

  public synchronized java.util.List<org.h2.engine.QueryStatisticsData$QueryEntry> getQueries();
    descriptor: ()Ljava/util/List;
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // org.h2.engine.QueryStatisticsData this
         0: .line 46
            new java.util.ArrayList
            dup
            aload 0 /* this */
            getfield org.h2.engine.QueryStatisticsData.map:Ljava/util/HashMap;
            invokevirtual java.util.HashMap.values:()Ljava/util/Collection;
            invokespecial java.util.ArrayList.<init>:(Ljava/util/Collection;)V
            astore 1 /* list */
        start local 1 // java.util.ArrayList list
         1: .line 48
            aload 1 /* list */
            getstatic org.h2.engine.QueryStatisticsData.QUERY_ENTRY_COMPARATOR:Ljava/util/Comparator;
            invokestatic java.util.Collections.sort:(Ljava/util/List;Ljava/util/Comparator;)V
         2: .line 49
            aload 1 /* list */
            iconst_0
            aload 1 /* list */
            invokevirtual java.util.ArrayList.size:()I
            aload 0 /* this */
            getfield org.h2.engine.QueryStatisticsData.maxQueryEntries:I
            invokestatic java.lang.Math.min:(II)I
            invokevirtual java.util.ArrayList.subList:(II)Ljava/util/List;
            areturn
        end local 1 // java.util.ArrayList list
        end local 0 // org.h2.engine.QueryStatisticsData this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/h2/engine/QueryStatisticsData;
            1    3     1  list  Ljava/util/ArrayList<Lorg/h2/engine/QueryStatisticsData$QueryEntry;>;
    Signature: ()Ljava/util/List<Lorg/h2/engine/QueryStatisticsData$QueryEntry;>;

  public synchronized void update(java.lang.String, long, int);
    descriptor: (Ljava/lang/String;JI)V
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=6, locals=10, args_size=4
        start local 0 // org.h2.engine.QueryStatisticsData this
        start local 1 // java.lang.String sqlStatement
        start local 2 // long executionTimeNanos
        start local 4 // int rowCount
         0: .line 62
            aload 0 /* this */
            getfield org.h2.engine.QueryStatisticsData.map:Ljava/util/HashMap;
            aload 1 /* sqlStatement */
            invokevirtual java.util.HashMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.h2.engine.QueryStatisticsData$QueryEntry
            astore 5 /* entry */
        start local 5 // org.h2.engine.QueryStatisticsData$QueryEntry entry
         1: .line 63
            aload 5 /* entry */
            ifnonnull 4
         2: .line 64
            new org.h2.engine.QueryStatisticsData$QueryEntry
            dup
            aload 1 /* sqlStatement */
            invokespecial org.h2.engine.QueryStatisticsData$QueryEntry.<init>:(Ljava/lang/String;)V
            astore 5 /* entry */
         3: .line 65
            aload 0 /* this */
            getfield org.h2.engine.QueryStatisticsData.map:Ljava/util/HashMap;
            aload 1 /* sqlStatement */
            aload 5 /* entry */
            invokevirtual java.util.HashMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         4: .line 67
      StackMap locals: org.h2.engine.QueryStatisticsData$QueryEntry
      StackMap stack:
            aload 5 /* entry */
            lload 2 /* executionTimeNanos */
            iload 4 /* rowCount */
            invokevirtual org.h2.engine.QueryStatisticsData$QueryEntry.update:(JI)V
         5: .line 71
            aload 0 /* this */
            getfield org.h2.engine.QueryStatisticsData.map:Ljava/util/HashMap;
            invokevirtual java.util.HashMap.size:()I
            i2f
            aload 0 /* this */
            getfield org.h2.engine.QueryStatisticsData.maxQueryEntries:I
            i2f
            ldc 1.5
            fmul
            fcmpl
            ifle 17
         6: .line 73
            new java.util.ArrayList
            dup
            aload 0 /* this */
            getfield org.h2.engine.QueryStatisticsData.map:Ljava/util/HashMap;
            invokevirtual java.util.HashMap.values:()Ljava/util/Collection;
            invokespecial java.util.ArrayList.<init>:(Ljava/util/Collection;)V
            astore 6 /* list */
        start local 6 // java.util.ArrayList list
         7: .line 74
            aload 6 /* list */
            getstatic org.h2.engine.QueryStatisticsData.QUERY_ENTRY_COMPARATOR:Ljava/util/Comparator;
            invokestatic java.util.Collections.sort:(Ljava/util/List;Ljava/util/Comparator;)V
         8: .line 77
            new java.util.HashSet
            dup
            aload 6 /* list */
            iconst_0
            aload 6 /* list */
            invokevirtual java.util.ArrayList.size:()I
            iconst_3
            idiv
            invokevirtual java.util.ArrayList.subList:(II)Ljava/util/List;
            invokespecial java.util.HashSet.<init>:(Ljava/util/Collection;)V
         9: .line 76
            astore 7 /* oldestSet */
        start local 7 // java.util.HashSet oldestSet
        10: .line 81
            aload 0 /* this */
            getfield org.h2.engine.QueryStatisticsData.map:Ljava/util/HashMap;
            invokevirtual java.util.HashMap.entrySet:()Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
        11: .line 80
            astore 8 /* it */
        start local 8 // java.util.Iterator it
        12: .line 81
            goto 16
        13: .line 82
      StackMap locals: java.util.ArrayList java.util.HashSet java.util.Iterator
      StackMap stack:
            aload 8 /* it */
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.util.Map$Entry
            astore 9 /* mapEntry */
        start local 9 // java.util.Map$Entry mapEntry
        14: .line 83
            aload 7 /* oldestSet */
            aload 9 /* mapEntry */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            invokevirtual java.util.HashSet.contains:(Ljava/lang/Object;)Z
            ifeq 16
        15: .line 84
            aload 8 /* it */
            invokeinterface java.util.Iterator.remove:()V
        end local 9 // java.util.Map$Entry mapEntry
        16: .line 81
      StackMap locals:
      StackMap stack:
            aload 8 /* it */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 13
        end local 8 // java.util.Iterator it
        end local 7 // java.util.HashSet oldestSet
        end local 6 // java.util.ArrayList list
        17: .line 88
      StackMap locals:
      StackMap stack:
            return
        end local 5 // org.h2.engine.QueryStatisticsData$QueryEntry entry
        end local 4 // int rowCount
        end local 2 // long executionTimeNanos
        end local 1 // java.lang.String sqlStatement
        end local 0 // org.h2.engine.QueryStatisticsData this
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0   18     0                this  Lorg/h2/engine/QueryStatisticsData;
            0   18     1        sqlStatement  Ljava/lang/String;
            0   18     2  executionTimeNanos  J
            0   18     4            rowCount  I
            1   18     5               entry  Lorg/h2/engine/QueryStatisticsData$QueryEntry;
            7   17     6                list  Ljava/util/ArrayList<Lorg/h2/engine/QueryStatisticsData$QueryEntry;>;
           10   17     7           oldestSet  Ljava/util/HashSet<Lorg/h2/engine/QueryStatisticsData$QueryEntry;>;
           12   17     8                  it  Ljava/util/Iterator<Ljava/util/Map$Entry<Ljava/lang/String;Lorg/h2/engine/QueryStatisticsData$QueryEntry;>;>;
           14   16     9            mapEntry  Ljava/util/Map$Entry<Ljava/lang/String;Lorg/h2/engine/QueryStatisticsData$QueryEntry;>;
    MethodParameters:
                    Name  Flags
      sqlStatement        
      executionTimeNanos  
      rowCount            
}
SourceFile: "QueryStatisticsData.java"
NestMembers:
  org.h2.engine.QueryStatisticsData$1  org.h2.engine.QueryStatisticsData$QueryEntry
InnerClasses:
  public abstract Entry = java.util.Map$Entry of java.util.Map
  org.h2.engine.QueryStatisticsData$1
  public final QueryEntry = org.h2.engine.QueryStatisticsData$QueryEntry of org.h2.engine.QueryStatisticsData