org.eclipse.jgit/org.eclipse.jgit/5.5.0.201909110433-r : org/eclipse/jgit/util/SimpleLruCache.class

SimpleLruCache
http://www.eclipse.org/jgit//org.eclipse.jgit: Repository access and algorithms (Eclipse JGit Project)
Eclipse Distribution License (New BSD License)
Andrey Loskutov
Christian Halstrick
Dave Borowitz
David Pursehouse
Gunnar Wagenknecht
Jonathan Nieder
Jonathan Tan
Matthias Sohn
Sasa Zivkov
Terry Parker
Thomas Wolf
public class org.eclipse.jgit.util.SimpleLruCache<K, V>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.eclipse.jgit.util.SimpleLruCache
  super_class: java.lang.Object
{
  private java.util.concurrent.locks.Lock lock;
    descriptor: Ljava/util/concurrent/locks/Lock;
    flags: (0x0002) ACC_PRIVATE

  private java.util.Map<K, org.eclipse.jgit.util.SimpleLruCache$Entry<K, V>> map;
    descriptor: Ljava/util/Map;
    flags: (0x0002) ACC_PRIVATE
    Signature: Ljava/util/Map<TK;Lorg/eclipse/jgit/util/SimpleLruCache$Entry<TK;TV;>;>;

  private volatile int maximumSize;
    descriptor: I
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

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

  private volatile long time;
    descriptor: J
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  private static void checkPurgeFactor(float);
    descriptor: (F)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=7, locals=1, args_size=1
        start local 0 // float purgeFactor
         0: .line 113
            fload 0 /* purgeFactor */
            fconst_0
            fcmpg
            ifle 1
            fload 0 /* purgeFactor */
            fconst_1
            fcmpl
            iflt 6
         1: .line 114
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
         2: .line 115
            invokestatic org.eclipse.jgit.internal.JGitText.get:()Lorg/eclipse/jgit/internal/JGitText;
            getfield org.eclipse.jgit.internal.JGitText.invalidPurgeFactor:Ljava/lang/String;
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
         3: .line 116
            fload 0 /* purgeFactor */
            invokestatic java.lang.Float.valueOf:(F)Ljava/lang/Float;
            aastore
         4: .line 115
            invokestatic java.text.MessageFormat.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
         5: .line 114
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 118
      StackMap locals:
      StackMap stack:
            return
        end local 0 // float purgeFactor
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    7     0  purgeFactor  F
    MethodParameters:
             Name  Flags
      purgeFactor  

  private static int purgeSize(int, float);
    descriptor: (IF)I
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // int maxSize
        start local 1 // float purgeFactor
         0: .line 121
            fconst_1
            fload 1 /* purgeFactor */
            fsub
            iload 0 /* maxSize */
            i2f
            fmul
            f2i
            ireturn
        end local 1 // float purgeFactor
        end local 0 // int maxSize
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    1     0      maxSize  I
            0    1     1  purgeFactor  F
    MethodParameters:
             Name  Flags
      maxSize      
      purgeFactor  

  public void <init>(int, float);
    descriptor: (IF)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.eclipse.jgit.util.SimpleLruCache this
        start local 1 // int maxSize
        start local 2 // float purgeFactor
         0: .line 138
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 101
            aload 0 /* this */
            new java.util.concurrent.locks.ReentrantLock
            dup
            invokespecial java.util.concurrent.locks.ReentrantLock.<init>:()V
            putfield org.eclipse.jgit.util.SimpleLruCache.lock:Ljava/util/concurrent/locks/Lock;
         2: .line 103
            aload 0 /* this */
            new java.util.concurrent.ConcurrentHashMap
            dup
            invokespecial java.util.concurrent.ConcurrentHashMap.<init>:()V
            putfield org.eclipse.jgit.util.SimpleLruCache.map:Ljava/util/Map;
         3: .line 110
            aload 0 /* this */
            lconst_0
            putfield org.eclipse.jgit.util.SimpleLruCache.time:J
         4: .line 139
            fload 2 /* purgeFactor */
            invokestatic org.eclipse.jgit.util.SimpleLruCache.checkPurgeFactor:(F)V
         5: .line 140
            aload 0 /* this */
            iload 1 /* maxSize */
            putfield org.eclipse.jgit.util.SimpleLruCache.maximumSize:I
         6: .line 141
            aload 0 /* this */
            iload 1 /* maxSize */
            fload 2 /* purgeFactor */
            invokestatic org.eclipse.jgit.util.SimpleLruCache.purgeSize:(IF)I
            putfield org.eclipse.jgit.util.SimpleLruCache.purgeSize:I
         7: .line 142
            return
        end local 2 // float purgeFactor
        end local 1 // int maxSize
        end local 0 // org.eclipse.jgit.util.SimpleLruCache this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    8     0         this  Lorg/eclipse/jgit/util/SimpleLruCache<TK;TV;>;
            0    8     1      maxSize  I
            0    8     2  purgeFactor  F
    MethodParameters:
             Name  Flags
      maxSize      
      purgeFactor  

  public V get();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // org.eclipse.jgit.util.SimpleLruCache this
        start local 1 // java.lang.Object key
         0: .line 164
            aload 0 /* this */
            getfield org.eclipse.jgit.util.SimpleLruCache.map:Ljava/util/Map;
            aload 1 /* key */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.eclipse.jgit.util.SimpleLruCache$Entry
            astore 2 /* entry */
        start local 2 // org.eclipse.jgit.util.SimpleLruCache$Entry entry
         1: .line 165
            aload 2 /* entry */
            ifnull 4
         2: .line 166
            aload 2 /* entry */
            aload 0 /* this */
            invokevirtual org.eclipse.jgit.util.SimpleLruCache.tick:()J
            putfield org.eclipse.jgit.util.SimpleLruCache$Entry.lastAccessed:J
         3: .line 167
            aload 2 /* entry */
            getfield org.eclipse.jgit.util.SimpleLruCache$Entry.value:Ljava/lang/Object;
            areturn
         4: .line 169
      StackMap locals: org.eclipse.jgit.util.SimpleLruCache$Entry
      StackMap stack:
            aconst_null
            areturn
        end local 2 // org.eclipse.jgit.util.SimpleLruCache$Entry entry
        end local 1 // java.lang.Object key
        end local 0 // org.eclipse.jgit.util.SimpleLruCache this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    5     0   this  Lorg/eclipse/jgit/util/SimpleLruCache<TK;TV;>;
            0    5     1    key  Ljava/lang/Object;
            1    5     2  entry  Lorg/eclipse/jgit/util/SimpleLruCache$Entry<TK;TV;>;
    Signature: (Ljava/lang/Object;)TV;
    MethodParameters:
      Name  Flags
      key   

  public V put(K, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=8, locals=3, args_size=3
        start local 0 // org.eclipse.jgit.util.SimpleLruCache this
        start local 1 // java.lang.Object key
        start local 2 // java.lang.Object value
         0: .line 191
            aload 0 /* this */
            getfield org.eclipse.jgit.util.SimpleLruCache.map:Ljava/util/Map;
            aload 1 /* key */
            new org.eclipse.jgit.util.SimpleLruCache$Entry
            dup
            aload 1 /* key */
            aload 2 /* value */
            aload 0 /* this */
            invokevirtual org.eclipse.jgit.util.SimpleLruCache.tick:()J
            invokespecial org.eclipse.jgit.util.SimpleLruCache$Entry.<init>:(Ljava/lang/Object;Ljava/lang/Object;J)V
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         1: .line 192
            aload 0 /* this */
            getfield org.eclipse.jgit.util.SimpleLruCache.map:Ljava/util/Map;
            invokeinterface java.util.Map.size:()I
            aload 0 /* this */
            getfield org.eclipse.jgit.util.SimpleLruCache.maximumSize:I
            if_icmple 3
         2: .line 193
            aload 0 /* this */
            invokevirtual org.eclipse.jgit.util.SimpleLruCache.purge:()V
         3: .line 195
      StackMap locals:
      StackMap stack:
            aload 2 /* value */
            areturn
        end local 2 // java.lang.Object value
        end local 1 // java.lang.Object key
        end local 0 // org.eclipse.jgit.util.SimpleLruCache this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0   this  Lorg/eclipse/jgit/util/SimpleLruCache<TK;TV;>;
            0    4     1    key  TK;
            0    4     2  value  TV;
    Signature: (TK;TV;)TV;
    RuntimeInvisibleParameterAnnotations: 
      0:
        org.eclipse.jgit.annotations.NonNull()
      1:
        org.eclipse.jgit.annotations.NonNull()
    MethodParameters:
       Name  Flags
      key    
      value  

  private long tick();
    descriptor: ()J
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // org.eclipse.jgit.util.SimpleLruCache this
         0: .line 200
            aload 0 /* this */
            dup
            getfield org.eclipse.jgit.util.SimpleLruCache.time:J
            lconst_1
            ladd
            dup2_x1
            putfield org.eclipse.jgit.util.SimpleLruCache.time:J
            lreturn
        end local 0 // org.eclipse.jgit.util.SimpleLruCache this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/eclipse/jgit/util/SimpleLruCache<TK;TV;>;

  public int size();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.eclipse.jgit.util.SimpleLruCache this
         0: .line 209
            aload 0 /* this */
            getfield org.eclipse.jgit.util.SimpleLruCache.map:Ljava/util/Map;
            invokeinterface java.util.Map.size:()I
            ireturn
        end local 0 // org.eclipse.jgit.util.SimpleLruCache this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/eclipse/jgit/util/SimpleLruCache<TK;TV;>;

  public void configure(int, float);
    descriptor: (IF)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // org.eclipse.jgit.util.SimpleLruCache this
        start local 1 // int maxSize
        start local 2 // float purgeFactor
         0: .line 226
            aload 0 /* this */
            getfield org.eclipse.jgit.util.SimpleLruCache.lock:Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.lock:()V
         1: .line 228
            fload 2 /* purgeFactor */
            invokestatic org.eclipse.jgit.util.SimpleLruCache.checkPurgeFactor:(F)V
         2: .line 229
            aload 0 /* this */
            iload 1 /* maxSize */
            putfield org.eclipse.jgit.util.SimpleLruCache.maximumSize:I
         3: .line 230
            aload 0 /* this */
            iload 1 /* maxSize */
            fload 2 /* purgeFactor */
            invokestatic org.eclipse.jgit.util.SimpleLruCache.purgeSize:(IF)I
            putfield org.eclipse.jgit.util.SimpleLruCache.purgeSize:I
         4: .line 231
            aload 0 /* this */
            getfield org.eclipse.jgit.util.SimpleLruCache.map:Ljava/util/Map;
            invokeinterface java.util.Map.size:()I
            aload 0 /* this */
            getfield org.eclipse.jgit.util.SimpleLruCache.maximumSize:I
            if_icmplt 10
         5: .line 232
            aload 0 /* this */
            invokevirtual org.eclipse.jgit.util.SimpleLruCache.purge:()V
         6: .line 234
            goto 10
      StackMap locals:
      StackMap stack: java.lang.Throwable
         7: astore 3
         8: .line 235
            aload 0 /* this */
            getfield org.eclipse.jgit.util.SimpleLruCache.lock:Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.unlock:()V
         9: .line 236
            aload 3
            athrow
        10: .line 235
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.eclipse.jgit.util.SimpleLruCache.lock:Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.unlock:()V
        11: .line 237
            return
        end local 2 // float purgeFactor
        end local 1 // int maxSize
        end local 0 // org.eclipse.jgit.util.SimpleLruCache this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   12     0         this  Lorg/eclipse/jgit/util/SimpleLruCache<TK;TV;>;
            0   12     1      maxSize  I
            0   12     2  purgeFactor  F
      Exception table:
        from    to  target  type
           1     7       7  any
    MethodParameters:
             Name  Flags
      maxSize      
      purgeFactor  

  private void purge();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=5, args_size=1
        start local 0 // org.eclipse.jgit.util.SimpleLruCache this
         0: .line 241
            aload 0 /* this */
            getfield org.eclipse.jgit.util.SimpleLruCache.lock:Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.tryLock:()Z
            ifeq 21
         1: .line 243
            new java.util.ArrayList
            dup
            aload 0 /* this */
            getfield org.eclipse.jgit.util.SimpleLruCache.map:Ljava/util/Map;
            invokeinterface java.util.Map.values:()Ljava/util/Collection;
            invokespecial java.util.ArrayList.<init>:(Ljava/util/Collection;)V
            astore 1 /* entriesToPurge */
        start local 1 // java.util.List entriesToPurge
         2: .line 246
            aload 1 /* entriesToPurge */
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 3
            goto 5
      StackMap locals: org.eclipse.jgit.util.SimpleLruCache java.util.List top java.util.Iterator
      StackMap stack:
         3: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.eclipse.jgit.util.SimpleLruCache$Entry
            astore 2 /* e */
        start local 2 // org.eclipse.jgit.util.SimpleLruCache$Entry e
         4: .line 247
            aload 2 /* e */
            invokevirtual org.eclipse.jgit.util.SimpleLruCache$Entry.copyAccessTime:()V
        end local 2 // org.eclipse.jgit.util.SimpleLruCache$Entry e
         5: .line 246
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 3
         6: .line 249
            aload 1 /* entriesToPurge */
         7: .line 250
            invokedynamic applyAsLong()Ljava/util/function/ToLongFunction;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)J
                  org/eclipse/jgit/util/SimpleLruCache.lambda$0(Lorg/eclipse/jgit/util/SimpleLruCache$Entry;)J (6)
                  (Lorg/eclipse/jgit/util/SimpleLruCache$Entry;)J
            invokestatic java.util.Comparator.comparingLong:(Ljava/util/function/ToLongFunction;)Ljava/util/Comparator;
         8: .line 249
            invokestatic java.util.Collections.sort:(Ljava/util/List;Ljava/util/Comparator;)V
         9: .line 251
            aload 0 /* this */
            getfield org.eclipse.jgit.util.SimpleLruCache.purgeSize:I
            istore 2 /* index */
        start local 2 // int index
        10: goto 13
        11: .line 253
      StackMap locals: org.eclipse.jgit.util.SimpleLruCache java.util.List int
      StackMap stack:
            aload 0 /* this */
            getfield org.eclipse.jgit.util.SimpleLruCache.map:Ljava/util/Map;
            aload 1 /* entriesToPurge */
            iload 2 /* index */
            invokeinterface java.util.List.get:(I)Ljava/lang/Object;
            checkcast org.eclipse.jgit.util.SimpleLruCache$Entry
            getfield org.eclipse.jgit.util.SimpleLruCache$Entry.key:Ljava/lang/Object;
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
        12: .line 252
            iinc 2 /* index */ 1
        13: .line 251
      StackMap locals:
      StackMap stack:
            iload 2 /* index */
            aload 1 /* entriesToPurge */
        14: .line 252
            invokeinterface java.util.List.size:()I
        15: .line 251
            if_icmplt 11
        end local 2 // int index
        end local 1 // java.util.List entriesToPurge
        16: .line 255
            goto 20
      StackMap locals: org.eclipse.jgit.util.SimpleLruCache
      StackMap stack: java.lang.Throwable
        17: astore 4
        18: .line 256
            aload 0 /* this */
            getfield org.eclipse.jgit.util.SimpleLruCache.lock:Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.unlock:()V
        19: .line 257
            aload 4
            athrow
        20: .line 256
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.eclipse.jgit.util.SimpleLruCache.lock:Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.unlock:()V
        21: .line 259
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.eclipse.jgit.util.SimpleLruCache this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   22     0            this  Lorg/eclipse/jgit/util/SimpleLruCache<TK;TV;>;
            2   16     1  entriesToPurge  Ljava/util/List<Lorg/eclipse/jgit/util/SimpleLruCache$Entry;>;
            4    5     2               e  Lorg/eclipse/jgit/util/SimpleLruCache$Entry;
           10   16     2           index  I
      Exception table:
        from    to  target  type
           1    17      17  any

  private static long lambda$0(org.eclipse.jgit.util.SimpleLruCache$Entry);
    descriptor: (Lorg/eclipse/jgit/util/SimpleLruCache$Entry;)J
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.eclipse.jgit.util.SimpleLruCache$Entry o
         0: .line 250
            aload 0 /* o */
            getfield org.eclipse.jgit.util.SimpleLruCache$Entry.lastAccessedSorting:J
            lneg
            lreturn
        end local 0 // org.eclipse.jgit.util.SimpleLruCache$Entry o
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0     o  Lorg/eclipse/jgit/util/SimpleLruCache$Entry;
}
Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "SimpleLruCache.java"
NestMembers:
  org.eclipse.jgit.util.SimpleLruCache$Entry
InnerClasses:
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles
  private Entry = org.eclipse.jgit.util.SimpleLruCache$Entry of org.eclipse.jgit.util.SimpleLruCache
/

org.eclipse.jgit/ org.eclipse.jgit/ 5.5.0.201909110433-r/ org/eclipse/jgit/util/SimpleLruCache.class
