https://github.com/spring-projects/spring-framework: Spring Core (Spring IO)
  • Juergen Hoeller 
public class org.springframework.util.ConcurrentLruCache<K, V>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.springframework.util.ConcurrentLruCache
  super_class: java.lang.Object
{
  private final int sizeLimit;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.function.Function<K, V> generator;
    descriptor: Ljava/util/function/Function;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/function/Function<TK;TV;>;

  private final java.util.concurrent.ConcurrentHashMap<K, V> cache;
    descriptor: Ljava/util/concurrent/ConcurrentHashMap;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;

  private final java.util.concurrent.ConcurrentLinkedDeque<K> queue;
    descriptor: Ljava/util/concurrent/ConcurrentLinkedDeque;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/concurrent/ConcurrentLinkedDeque<TK;>;

  private final java.util.concurrent.locks.ReadWriteLock lock;
    descriptor: Ljava/util/concurrent/locks/ReadWriteLock;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

  public void <init>(int, java.util.function.Function<K, V>);
    descriptor: (ILjava/util/function/Function;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.springframework.util.ConcurrentLruCache this
        start local 1 // int sizeLimit
        start local 2 // java.util.function.Function generator
         0: .line 60
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 45
            aload 0 /* this */
            new java.util.concurrent.ConcurrentHashMap
            dup
            invokespecial java.util.concurrent.ConcurrentHashMap.<init>:()V
            putfield org.springframework.util.ConcurrentLruCache.cache:Ljava/util/concurrent/ConcurrentHashMap;
         2: .line 47
            aload 0 /* this */
            new java.util.concurrent.ConcurrentLinkedDeque
            dup
            invokespecial java.util.concurrent.ConcurrentLinkedDeque.<init>:()V
            putfield org.springframework.util.ConcurrentLruCache.queue:Ljava/util/concurrent/ConcurrentLinkedDeque;
         3: .line 49
            aload 0 /* this */
            new java.util.concurrent.locks.ReentrantReadWriteLock
            dup
            invokespecial java.util.concurrent.locks.ReentrantReadWriteLock.<init>:()V
            putfield org.springframework.util.ConcurrentLruCache.lock:Ljava/util/concurrent/locks/ReadWriteLock;
         4: .line 61
            iload 1 /* sizeLimit */
            iflt 5
            iconst_1
            goto 6
      StackMap locals: org.springframework.util.ConcurrentLruCache int java.util.function.Function
      StackMap stack:
         5: iconst_0
      StackMap locals:
      StackMap stack: int
         6: ldc "Cache size limit must not be negative"
            invokestatic org.springframework.util.Assert.isTrue:(ZLjava/lang/String;)V
         7: .line 62
            aload 2 /* generator */
            ldc "Generator function must not be null"
            invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
         8: .line 63
            aload 0 /* this */
            iload 1 /* sizeLimit */
            putfield org.springframework.util.ConcurrentLruCache.sizeLimit:I
         9: .line 64
            aload 0 /* this */
            aload 2 /* generator */
            putfield org.springframework.util.ConcurrentLruCache.generator:Ljava/util/function/Function;
        10: .line 65
            return
        end local 2 // java.util.function.Function generator
        end local 1 // int sizeLimit
        end local 0 // org.springframework.util.ConcurrentLruCache this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   11     0       this  Lorg/springframework/util/ConcurrentLruCache<TK;TV;>;
            0   11     1  sizeLimit  I
            0   11     2  generator  Ljava/util/function/Function<TK;TV;>;
    Signature: (ILjava/util/function/Function<TK;TV;>;)V
    MethodParameters:
           Name  Flags
      sizeLimit  
      generator  

  public V get();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=7, args_size=2
        start local 0 // org.springframework.util.ConcurrentLruCache this
        start local 1 // java.lang.Object key
         0: .line 75
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.sizeLimit:I
            ifne 2
         1: .line 76
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.generator:Ljava/util/function/Function;
            aload 1 /* key */
            invokeinterface java.util.function.Function.apply:(Ljava/lang/Object;)Ljava/lang/Object;
            areturn
         2: .line 79
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.cache:Ljava/util/concurrent/ConcurrentHashMap;
            aload 1 /* key */
            invokevirtual java.util.concurrent.ConcurrentHashMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
            astore 2 /* cached */
        start local 2 // java.lang.Object cached
         3: .line 80
            aload 2 /* cached */
            ifnull 15
         4: .line 81
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.size:I
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.sizeLimit:I
            if_icmpge 6
         5: .line 82
            aload 2 /* cached */
            areturn
         6: .line 84
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.lock:Ljava/util/concurrent/locks/ReadWriteLock;
            invokeinterface java.util.concurrent.locks.ReadWriteLock.readLock:()Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.lock:()V
         7: .line 86
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.queue:Ljava/util/concurrent/ConcurrentLinkedDeque;
            aload 1 /* key */
            invokevirtual java.util.concurrent.ConcurrentLinkedDeque.removeLastOccurrence:(Ljava/lang/Object;)Z
            ifeq 9
         8: .line 87
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.queue:Ljava/util/concurrent/ConcurrentLinkedDeque;
            aload 1 /* key */
            invokevirtual java.util.concurrent.ConcurrentLinkedDeque.offer:(Ljava/lang/Object;)Z
            pop
         9: .line 89
      StackMap locals:
      StackMap stack:
            aload 2 /* cached */
            astore 4
        10: .line 92
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.lock:Ljava/util/concurrent/locks/ReadWriteLock;
            invokeinterface java.util.concurrent.locks.ReadWriteLock.readLock:()Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.unlock:()V
        11: .line 89
            aload 4
            areturn
        12: .line 91
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 3
        13: .line 92
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.lock:Ljava/util/concurrent/locks/ReadWriteLock;
            invokeinterface java.util.concurrent.locks.ReadWriteLock.readLock:()Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.unlock:()V
        14: .line 93
            aload 3
            athrow
        15: .line 96
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.lock:Ljava/util/concurrent/locks/ReadWriteLock;
            invokeinterface java.util.concurrent.locks.ReadWriteLock.writeLock:()Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.lock:()V
        16: .line 99
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.cache:Ljava/util/concurrent/ConcurrentHashMap;
            aload 1 /* key */
            invokevirtual java.util.concurrent.ConcurrentHashMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
            astore 2 /* cached */
        17: .line 100
            aload 2 /* cached */
            ifnull 23
        18: .line 101
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.queue:Ljava/util/concurrent/ConcurrentLinkedDeque;
            aload 1 /* key */
            invokevirtual java.util.concurrent.ConcurrentLinkedDeque.removeLastOccurrence:(Ljava/lang/Object;)Z
            ifeq 20
        19: .line 102
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.queue:Ljava/util/concurrent/ConcurrentLinkedDeque;
            aload 1 /* key */
            invokevirtual java.util.concurrent.ConcurrentLinkedDeque.offer:(Ljava/lang/Object;)Z
            pop
        20: .line 104
      StackMap locals:
      StackMap stack:
            aload 2 /* cached */
            astore 6
        21: .line 120
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.lock:Ljava/util/concurrent/locks/ReadWriteLock;
            invokeinterface java.util.concurrent.locks.ReadWriteLock.writeLock:()Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.unlock:()V
        22: .line 104
            aload 6
            areturn
        23: .line 107
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.generator:Ljava/util/function/Function;
            aload 1 /* key */
            invokeinterface java.util.function.Function.apply:(Ljava/lang/Object;)Ljava/lang/Object;
            astore 3 /* value */
        start local 3 // java.lang.Object value
        24: .line 108
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.size:I
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.sizeLimit:I
            if_icmpne 28
        25: .line 109
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.queue:Ljava/util/concurrent/ConcurrentLinkedDeque;
            invokevirtual java.util.concurrent.ConcurrentLinkedDeque.poll:()Ljava/lang/Object;
            astore 4 /* leastUsed */
        start local 4 // java.lang.Object leastUsed
        26: .line 110
            aload 4 /* leastUsed */
            ifnull 28
        27: .line 111
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.cache:Ljava/util/concurrent/ConcurrentHashMap;
            aload 4 /* leastUsed */
            invokevirtual java.util.concurrent.ConcurrentHashMap.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 4 // java.lang.Object leastUsed
        28: .line 114
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.queue:Ljava/util/concurrent/ConcurrentLinkedDeque;
            aload 1 /* key */
            invokevirtual java.util.concurrent.ConcurrentLinkedDeque.offer:(Ljava/lang/Object;)Z
            pop
        29: .line 115
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.cache:Ljava/util/concurrent/ConcurrentHashMap;
            aload 1 /* key */
            aload 3 /* value */
            invokevirtual java.util.concurrent.ConcurrentHashMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        30: .line 116
            aload 0 /* this */
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.cache:Ljava/util/concurrent/ConcurrentHashMap;
            invokevirtual java.util.concurrent.ConcurrentHashMap.size:()I
            putfield org.springframework.util.ConcurrentLruCache.size:I
        31: .line 117
            aload 3 /* value */
            astore 6
        32: .line 120
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.lock:Ljava/util/concurrent/locks/ReadWriteLock;
            invokeinterface java.util.concurrent.locks.ReadWriteLock.writeLock:()Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.unlock:()V
        33: .line 117
            aload 6
            areturn
        end local 3 // java.lang.Object value
        34: .line 119
      StackMap locals: org.springframework.util.ConcurrentLruCache java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
            astore 5
        35: .line 120
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.lock:Ljava/util/concurrent/locks/ReadWriteLock;
            invokeinterface java.util.concurrent.locks.ReadWriteLock.writeLock:()Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.unlock:()V
        36: .line 121
            aload 5
            athrow
        end local 2 // java.lang.Object cached
        end local 1 // java.lang.Object key
        end local 0 // org.springframework.util.ConcurrentLruCache this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   37     0       this  Lorg/springframework/util/ConcurrentLruCache<TK;TV;>;
            0   37     1        key  TK;
            3   37     2     cached  TV;
           24   34     3      value  TV;
           26   28     4  leastUsed  TK;
      Exception table:
        from    to  target  type
           7    10      12  any
          16    21      34  any
          23    32      34  any
    Signature: (TK;)TV;
    MethodParameters:
      Name  Flags
      key   

  public boolean contains();
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.springframework.util.ConcurrentLruCache this
        start local 1 // java.lang.Object key
         0: .line 131
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.cache:Ljava/util/concurrent/ConcurrentHashMap;
            aload 1 /* key */
            invokevirtual java.util.concurrent.ConcurrentHashMap.containsKey:(Ljava/lang/Object;)Z
            ireturn
        end local 1 // java.lang.Object key
        end local 0 // org.springframework.util.ConcurrentLruCache this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/springframework/util/ConcurrentLruCache<TK;TV;>;
            0    1     1   key  TK;
    Signature: (TK;)Z
    MethodParameters:
      Name  Flags
      key   

  public boolean remove();
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=5, args_size=2
        start local 0 // org.springframework.util.ConcurrentLruCache this
        start local 1 // java.lang.Object key
         0: .line 141
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.lock:Ljava/util/concurrent/locks/ReadWriteLock;
            invokeinterface java.util.concurrent.locks.ReadWriteLock.writeLock:()Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.lock:()V
         1: .line 143
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.cache:Ljava/util/concurrent/ConcurrentHashMap;
            aload 1 /* key */
            invokevirtual java.util.concurrent.ConcurrentHashMap.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            ifnull 2
            iconst_1
            goto 3
      StackMap locals:
      StackMap stack:
         2: iconst_0
      StackMap locals:
      StackMap stack: int
         3: istore 2 /* wasPresent */
        start local 2 // boolean wasPresent
         4: .line 144
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.queue:Ljava/util/concurrent/ConcurrentLinkedDeque;
            aload 1 /* key */
            invokevirtual java.util.concurrent.ConcurrentLinkedDeque.remove:(Ljava/lang/Object;)Z
            pop
         5: .line 145
            aload 0 /* this */
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.cache:Ljava/util/concurrent/ConcurrentHashMap;
            invokevirtual java.util.concurrent.ConcurrentHashMap.size:()I
            putfield org.springframework.util.ConcurrentLruCache.size:I
         6: .line 146
            iload 2 /* wasPresent */
            istore 4
         7: .line 149
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.lock:Ljava/util/concurrent/locks/ReadWriteLock;
            invokeinterface java.util.concurrent.locks.ReadWriteLock.writeLock:()Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.unlock:()V
         8: .line 146
            iload 4
            ireturn
        end local 2 // boolean wasPresent
         9: .line 148
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 3
        10: .line 149
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.lock:Ljava/util/concurrent/locks/ReadWriteLock;
            invokeinterface java.util.concurrent.locks.ReadWriteLock.writeLock:()Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.unlock:()V
        11: .line 150
            aload 3
            athrow
        end local 1 // java.lang.Object key
        end local 0 // org.springframework.util.ConcurrentLruCache this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   12     0        this  Lorg/springframework/util/ConcurrentLruCache<TK;TV;>;
            0   12     1         key  TK;
            4    9     2  wasPresent  Z
      Exception table:
        from    to  target  type
           1     7       9  any
    Signature: (TK;)Z
    MethodParameters:
      Name  Flags
      key   

  public void clear();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.springframework.util.ConcurrentLruCache this
         0: .line 157
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.lock:Ljava/util/concurrent/locks/ReadWriteLock;
            invokeinterface java.util.concurrent.locks.ReadWriteLock.writeLock:()Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.lock:()V
         1: .line 159
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.cache:Ljava/util/concurrent/ConcurrentHashMap;
            invokevirtual java.util.concurrent.ConcurrentHashMap.clear:()V
         2: .line 160
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.queue:Ljava/util/concurrent/ConcurrentLinkedDeque;
            invokevirtual java.util.concurrent.ConcurrentLinkedDeque.clear:()V
         3: .line 161
            aload 0 /* this */
            iconst_0
            putfield org.springframework.util.ConcurrentLruCache.size:I
         4: .line 162
            goto 8
         5: .line 163
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 1
         6: .line 164
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.lock:Ljava/util/concurrent/locks/ReadWriteLock;
            invokeinterface java.util.concurrent.locks.ReadWriteLock.writeLock:()Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.unlock:()V
         7: .line 165
            aload 1
            athrow
         8: .line 164
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.lock:Ljava/util/concurrent/locks/ReadWriteLock;
            invokeinterface java.util.concurrent.locks.ReadWriteLock.writeLock:()Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.unlock:()V
         9: .line 166
            return
        end local 0 // org.springframework.util.ConcurrentLruCache this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   10     0  this  Lorg/springframework/util/ConcurrentLruCache<TK;TV;>;
      Exception table:
        from    to  target  type
           1     5       5  any

  public int size();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.springframework.util.ConcurrentLruCache this
         0: .line 173
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.size:I
            ireturn
        end local 0 // org.springframework.util.ConcurrentLruCache this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/springframework/util/ConcurrentLruCache<TK;TV;>;

  public int sizeLimit();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.springframework.util.ConcurrentLruCache this
         0: .line 182
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentLruCache.sizeLimit:I
            ireturn
        end local 0 // org.springframework.util.ConcurrentLruCache this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/springframework/util/ConcurrentLruCache<TK;TV;>;
}
Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "ConcurrentLruCache.java"