https://logging.apache.org/log4j/2.x/log4j-api/: The Apache Log4j API (The Apache Software Foundation)
  • Ralph Goers (Nextiva)
  • Gary Gregory (Rocket Software)
  • Scott Deboy
  • Remko Popma
  • Nick Williams
  • Matt Sicker (CloudBees)
  • Bruce Brouwer
  • Mikael Ståldal (Spotify)
  • Carter Kozak 
public class org.apache.logging.log4j.CloseableThreadContext$Instance implements java.lang.AutoCloseable
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.logging.log4j.CloseableThreadContext$Instance
  super_class: java.lang.Object
{
  private int pushCount;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  private final java.util.Map<java.lang.String, java.lang.String> originalValues;
    descriptor: Ljava/util/Map;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.CloseableThreadContext$Instance this
         0: .line 108
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 105
            aload 0 /* this */
            iconst_0
            putfield org.apache.logging.log4j.CloseableThreadContext$Instance.pushCount:I
         2: .line 106
            aload 0 /* this */
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            putfield org.apache.logging.log4j.CloseableThreadContext$Instance.originalValues:Ljava/util/Map;
         3: .line 109
            return
        end local 0 // org.apache.logging.log4j.CloseableThreadContext$Instance this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/apache/logging/log4j/CloseableThreadContext$Instance;

  public org.apache.logging.log4j.CloseableThreadContext$Instance push(java.lang.String);
    descriptor: (Ljava/lang/String;)Lorg/apache/logging/log4j/CloseableThreadContext$Instance;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.logging.log4j.CloseableThreadContext$Instance this
        start local 1 // java.lang.String message
         0: .line 119
            aload 1 /* message */
            invokestatic org.apache.logging.log4j.ThreadContext.push:(Ljava/lang/String;)V
         1: .line 120
            aload 0 /* this */
            dup
            getfield org.apache.logging.log4j.CloseableThreadContext$Instance.pushCount:I
            iconst_1
            iadd
            putfield org.apache.logging.log4j.CloseableThreadContext$Instance.pushCount:I
         2: .line 121
            aload 0 /* this */
            areturn
        end local 1 // java.lang.String message
        end local 0 // org.apache.logging.log4j.CloseableThreadContext$Instance this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    3     0     this  Lorg/apache/logging/log4j/CloseableThreadContext$Instance;
            0    3     1  message  Ljava/lang/String;
    MethodParameters:
         Name  Flags
      message  final

  public org.apache.logging.log4j.CloseableThreadContext$Instance push(java.lang.String, java.lang.Object[]);
    descriptor: (Ljava/lang/String;[Ljava/lang/Object;)Lorg/apache/logging/log4j/CloseableThreadContext$Instance;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.apache.logging.log4j.CloseableThreadContext$Instance this
        start local 1 // java.lang.String message
        start local 2 // java.lang.Object[] args
         0: .line 133
            aload 1 /* message */
            aload 2 /* args */
            invokestatic org.apache.logging.log4j.ThreadContext.push:(Ljava/lang/String;[Ljava/lang/Object;)V
         1: .line 134
            aload 0 /* this */
            dup
            getfield org.apache.logging.log4j.CloseableThreadContext$Instance.pushCount:I
            iconst_1
            iadd
            putfield org.apache.logging.log4j.CloseableThreadContext$Instance.pushCount:I
         2: .line 135
            aload 0 /* this */
            areturn
        end local 2 // java.lang.Object[] args
        end local 1 // java.lang.String message
        end local 0 // org.apache.logging.log4j.CloseableThreadContext$Instance this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    3     0     this  Lorg/apache/logging/log4j/CloseableThreadContext$Instance;
            0    3     1  message  Ljava/lang/String;
            0    3     2     args  [Ljava/lang/Object;
    MethodParameters:
         Name  Flags
      message  final
      args     final

  public org.apache.logging.log4j.CloseableThreadContext$Instance put(java.lang.String, java.lang.String);
    descriptor: (Ljava/lang/String;Ljava/lang/String;)Lorg/apache/logging/log4j/CloseableThreadContext$Instance;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.apache.logging.log4j.CloseableThreadContext$Instance this
        start local 1 // java.lang.String key
        start local 2 // java.lang.String value
         0: .line 149
            aload 0 /* this */
            getfield org.apache.logging.log4j.CloseableThreadContext$Instance.originalValues:Ljava/util/Map;
            aload 1 /* key */
            invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
            ifne 2
         1: .line 150
            aload 0 /* this */
            getfield org.apache.logging.log4j.CloseableThreadContext$Instance.originalValues:Ljava/util/Map;
            aload 1 /* key */
            aload 1 /* key */
            invokestatic org.apache.logging.log4j.ThreadContext.get:(Ljava/lang/String;)Ljava/lang/String;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         2: .line 152
      StackMap locals:
      StackMap stack:
            aload 1 /* key */
            aload 2 /* value */
            invokestatic org.apache.logging.log4j.ThreadContext.put:(Ljava/lang/String;Ljava/lang/String;)V
         3: .line 153
            aload 0 /* this */
            areturn
        end local 2 // java.lang.String value
        end local 1 // java.lang.String key
        end local 0 // org.apache.logging.log4j.CloseableThreadContext$Instance this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0   this  Lorg/apache/logging/log4j/CloseableThreadContext$Instance;
            0    4     1    key  Ljava/lang/String;
            0    4     2  value  Ljava/lang/String;
    MethodParameters:
       Name  Flags
      key    final
      value  final

  public org.apache.logging.log4j.CloseableThreadContext$Instance putAll(java.util.Map<java.lang.String, java.lang.String>);
    descriptor: (Ljava/util/Map;)Lorg/apache/logging/log4j/CloseableThreadContext$Instance;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=5, args_size=2
        start local 0 // org.apache.logging.log4j.CloseableThreadContext$Instance this
        start local 1 // java.util.Map values
         0: .line 166
            invokestatic org.apache.logging.log4j.ThreadContext.getContext:()Ljava/util/Map;
            astore 2 /* currentValues */
        start local 2 // java.util.Map currentValues
         1: .line 167
            aload 1 /* values */
            invokestatic org.apache.logging.log4j.ThreadContext.putAll:(Ljava/util/Map;)V
         2: .line 168
            aload 1 /* values */
            invokeinterface java.util.Map.keySet:()Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 4
            goto 6
      StackMap locals: org.apache.logging.log4j.CloseableThreadContext$Instance java.util.Map java.util.Map top java.util.Iterator
      StackMap stack:
         3: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 3 /* key */
        start local 3 // java.lang.String key
         4: .line 169
            aload 0 /* this */
            getfield org.apache.logging.log4j.CloseableThreadContext$Instance.originalValues:Ljava/util/Map;
            aload 3 /* key */
            invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
            ifne 6
         5: .line 170
            aload 0 /* this */
            getfield org.apache.logging.log4j.CloseableThreadContext$Instance.originalValues:Ljava/util/Map;
            aload 3 /* key */
            aload 2 /* currentValues */
            aload 3 /* key */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.String
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 3 // java.lang.String key
         6: .line 168
      StackMap locals:
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 3
         7: .line 173
            aload 0 /* this */
            areturn
        end local 2 // java.util.Map currentValues
        end local 1 // java.util.Map values
        end local 0 // org.apache.logging.log4j.CloseableThreadContext$Instance this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    8     0           this  Lorg/apache/logging/log4j/CloseableThreadContext$Instance;
            0    8     1         values  Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;
            1    8     2  currentValues  Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;
            4    6     3            key  Ljava/lang/String;
    Signature: (Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;)Lorg/apache/logging/log4j/CloseableThreadContext$Instance;
    MethodParameters:
        Name  Flags
      values  final

  public org.apache.logging.log4j.CloseableThreadContext$Instance pushAll(java.util.List<java.lang.String>);
    descriptor: (Ljava/util/List;)Lorg/apache/logging/log4j/CloseableThreadContext$Instance;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=2
        start local 0 // org.apache.logging.log4j.CloseableThreadContext$Instance this
        start local 1 // java.util.List messages
         0: .line 185
            aload 1 /* messages */
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 3
            goto 3
      StackMap locals: org.apache.logging.log4j.CloseableThreadContext$Instance java.util.List top java.util.Iterator
      StackMap stack:
         1: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 2 /* message */
        start local 2 // java.lang.String message
         2: .line 186
            aload 0 /* this */
            aload 2 /* message */
            invokevirtual org.apache.logging.log4j.CloseableThreadContext$Instance.push:(Ljava/lang/String;)Lorg/apache/logging/log4j/CloseableThreadContext$Instance;
            pop
        end local 2 // java.lang.String message
         3: .line 185
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 1
         4: .line 188
            aload 0 /* this */
            areturn
        end local 1 // java.util.List messages
        end local 0 // org.apache.logging.log4j.CloseableThreadContext$Instance this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    5     0      this  Lorg/apache/logging/log4j/CloseableThreadContext$Instance;
            0    5     1  messages  Ljava/util/List<Ljava/lang/String;>;
            2    3     2   message  Ljava/lang/String;
    Signature: (Ljava/util/List<Ljava/lang/String;>;)Lorg/apache/logging/log4j/CloseableThreadContext$Instance;
    MethodParameters:
          Name  Flags
      messages  final

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.CloseableThreadContext$Instance this
         0: .line 202
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.CloseableThreadContext$Instance.closeStack:()V
         1: .line 203
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.CloseableThreadContext$Instance.closeMap:()V
         2: .line 204
            return
        end local 0 // org.apache.logging.log4j.CloseableThreadContext$Instance this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/logging/log4j/CloseableThreadContext$Instance;

  private void closeMap();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=5, args_size=1
        start local 0 // org.apache.logging.log4j.CloseableThreadContext$Instance this
         0: .line 207
            aload 0 /* this */
            getfield org.apache.logging.log4j.CloseableThreadContext$Instance.originalValues:Ljava/util/Map;
            invokeinterface java.util.Map.entrySet:()Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 1 /* it */
        start local 1 // java.util.Iterator it
         1: goto 10
         2: .line 208
      StackMap locals: java.util.Iterator
      StackMap stack:
            aload 1 /* it */
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.util.Map$Entry
            astore 2 /* entry */
        start local 2 // java.util.Map$Entry entry
         3: .line 209
            aload 2 /* entry */
            invokeinterface java.util.Map$Entry.getKey:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 3 /* key */
        start local 3 // java.lang.String key
         4: .line 210
            aload 2 /* entry */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 4 /* originalValue */
        start local 4 // java.lang.String originalValue
         5: .line 211
            aload 4 /* originalValue */
            ifnonnull 8
         6: .line 212
            aload 3 /* key */
            invokestatic org.apache.logging.log4j.ThreadContext.remove:(Ljava/lang/String;)V
         7: .line 213
            goto 9
         8: .line 214
      StackMap locals: java.util.Map$Entry java.lang.String java.lang.String
      StackMap stack:
            aload 3 /* key */
            aload 4 /* originalValue */
            invokestatic org.apache.logging.log4j.ThreadContext.put:(Ljava/lang/String;Ljava/lang/String;)V
         9: .line 216
      StackMap locals:
      StackMap stack:
            aload 1 /* it */
            invokeinterface java.util.Iterator.remove:()V
        end local 4 // java.lang.String originalValue
        end local 3 // java.lang.String key
        end local 2 // java.util.Map$Entry entry
        10: .line 207
      StackMap locals:
      StackMap stack:
            aload 1 /* it */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
        end local 1 // java.util.Iterator it
        11: .line 218
            return
        end local 0 // org.apache.logging.log4j.CloseableThreadContext$Instance this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   12     0           this  Lorg/apache/logging/log4j/CloseableThreadContext$Instance;
            1   11     1             it  Ljava/util/Iterator<Ljava/util/Map$Entry<Ljava/lang/String;Ljava/lang/String;>;>;
            3   10     2          entry  Ljava/util/Map$Entry<Ljava/lang/String;Ljava/lang/String;>;
            4   10     3            key  Ljava/lang/String;
            5   10     4  originalValue  Ljava/lang/String;

  private void closeStack();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.apache.logging.log4j.CloseableThreadContext$Instance this
         0: .line 221
            iconst_0
            istore 1 /* i */
        start local 1 // int i
         1: goto 4
         2: .line 222
      StackMap locals: int
      StackMap stack:
            invokestatic org.apache.logging.log4j.ThreadContext.pop:()Ljava/lang/String;
            pop
         3: .line 221
            iinc 1 /* i */ 1
      StackMap locals:
      StackMap stack:
         4: iload 1 /* i */
            aload 0 /* this */
            getfield org.apache.logging.log4j.CloseableThreadContext$Instance.pushCount:I
            if_icmplt 2
        end local 1 // int i
         5: .line 224
            aload 0 /* this */
            iconst_0
            putfield org.apache.logging.log4j.CloseableThreadContext$Instance.pushCount:I
         6: .line 225
            return
        end local 0 // org.apache.logging.log4j.CloseableThreadContext$Instance this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lorg/apache/logging/log4j/CloseableThreadContext$Instance;
            1    5     1     i  I
}
SourceFile: "CloseableThreadContext.java"
NestHost: org.apache.logging.log4j.CloseableThreadContext
InnerClasses:
  public abstract Entry = java.util.Map$Entry of java.util.Map
  public Instance = org.apache.logging.log4j.CloseableThreadContext$Instance of org.apache.logging.log4j.CloseableThreadContext