com.h2database/h2/1.4.199 : org/h2/util/LazyFuture.class

LazyFuture
http://www.h2database.com: H2 Database Engine
MPL 2.0 or EPL 1.0
Thomas Mueller
public abstract class org.h2.util.LazyFuture<T> implements java.util.concurrent.Future<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.h2.util.LazyFuture
  super_class: java.lang.Object
{
  private static final int S_READY;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 0

  private static final int S_DONE;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 1

  private static final int S_ERROR;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 2

  private static final int S_CANCELED;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 3

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

  private T result;
    descriptor: Ljava/lang/Object;
    flags: (0x0002) ACC_PRIVATE
    Signature: TT;

  private java.lang.Exception error;
    descriptor: Ljava/lang/Exception;
    flags: (0x0002) ACC_PRIVATE

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.h2.util.LazyFuture this
         0: .line 21
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 28
            aload 0 /* this */
            iconst_0
            putfield org.h2.util.LazyFuture.state:I
         2: .line 21
            return
        end local 0 // org.h2.util.LazyFuture this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/h2/util/LazyFuture<TT;>;

  public boolean reset();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.h2.util.LazyFuture this
         0: .line 38
            aload 0 /* this */
            getfield org.h2.util.LazyFuture.state:I
            ifne 2
         1: .line 39
            iconst_0
            ireturn
         2: .line 41
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iconst_0
            putfield org.h2.util.LazyFuture.state:I
         3: .line 42
            aload 0 /* this */
            aconst_null
            putfield org.h2.util.LazyFuture.result:Ljava/lang/Object;
         4: .line 43
            aload 0 /* this */
            aconst_null
            putfield org.h2.util.LazyFuture.error:Ljava/lang/Exception;
         5: .line 44
            iconst_1
            ireturn
        end local 0 // org.h2.util.LazyFuture this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/h2/util/LazyFuture<TT;>;

  protected abstract T run();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.lang.Exception
    Signature: ()TT;

  public boolean cancel(boolean);
    descriptor: (Z)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.h2.util.LazyFuture this
        start local 1 // boolean mayInterruptIfRunning
         0: .line 56
            aload 0 /* this */
            getfield org.h2.util.LazyFuture.state:I
            ifeq 2
         1: .line 57
            iconst_0
            ireturn
         2: .line 59
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iconst_3
            putfield org.h2.util.LazyFuture.state:I
         3: .line 60
            iconst_1
            ireturn
        end local 1 // boolean mayInterruptIfRunning
        end local 0 // org.h2.util.LazyFuture this
      LocalVariableTable:
        Start  End  Slot                   Name  Signature
            0    4     0                   this  Lorg/h2/util/LazyFuture<TT;>;
            0    4     1  mayInterruptIfRunning  Z
    MethodParameters:
                       Name  Flags
      mayInterruptIfRunning  

  public T get();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=1
        start local 0 // org.h2.util.LazyFuture this
         0: .line 65
            aload 0 /* this */
            getfield org.h2.util.LazyFuture.state:I
            tableswitch { // 0 - 3
                    0: 1
                    1: 16
                    2: 17
                    3: 18
              default: 19
          }
         1: .line 68
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual org.h2.util.LazyFuture.run:()Ljava/lang/Object;
            putfield org.h2.util.LazyFuture.result:Ljava/lang/Object;
         2: .line 69
            aload 0 /* this */
            iconst_1
            putfield org.h2.util.LazyFuture.state:I
         3: .line 70
            goto 13
      StackMap locals:
      StackMap stack: java.lang.Exception
         4: astore 1 /* e */
        start local 1 // java.lang.Exception e
         5: .line 71
            aload 0 /* this */
            aload 1 /* e */
            putfield org.h2.util.LazyFuture.error:Ljava/lang/Exception;
         6: .line 72
            aload 1 /* e */
            instanceof java.lang.InterruptedException
            ifeq 8
         7: .line 73
            aload 1 /* e */
            checkcast java.lang.InterruptedException
            athrow
         8: .line 75
      StackMap locals: java.lang.Exception
      StackMap stack:
            new java.util.concurrent.ExecutionException
            dup
            aload 1 /* e */
            invokespecial java.util.concurrent.ExecutionException.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 1 // java.lang.Exception e
         9: .line 76
      StackMap locals: org.h2.util.LazyFuture
      StackMap stack: java.lang.Throwable
            astore 2
        10: .line 77
            aload 0 /* this */
            getfield org.h2.util.LazyFuture.state:I
            iconst_1
            if_icmpeq 12
        11: .line 78
            aload 0 /* this */
            iconst_2
            putfield org.h2.util.LazyFuture.state:I
        12: .line 80
      StackMap locals: org.h2.util.LazyFuture top java.lang.Throwable
      StackMap stack:
            aload 2
            athrow
        13: .line 77
      StackMap locals: org.h2.util.LazyFuture
      StackMap stack:
            aload 0 /* this */
            getfield org.h2.util.LazyFuture.state:I
            iconst_1
            if_icmpeq 15
        14: .line 78
            aload 0 /* this */
            iconst_2
            putfield org.h2.util.LazyFuture.state:I
        15: .line 81
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.h2.util.LazyFuture.result:Ljava/lang/Object;
            areturn
        16: .line 83
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.h2.util.LazyFuture.result:Ljava/lang/Object;
            areturn
        17: .line 85
      StackMap locals:
      StackMap stack:
            new java.util.concurrent.ExecutionException
            dup
            aload 0 /* this */
            getfield org.h2.util.LazyFuture.error:Ljava/lang/Exception;
            invokespecial java.util.concurrent.ExecutionException.<init>:(Ljava/lang/Throwable;)V
            athrow
        18: .line 87
      StackMap locals:
      StackMap stack:
            new java.util.concurrent.CancellationException
            dup
            invokespecial java.util.concurrent.CancellationException.<init>:()V
            athrow
        19: .line 89
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.h2.util.LazyFuture.state:I
            invokestatic java.lang.Integer.toString:(I)Ljava/lang/String;
            invokestatic org.h2.message.DbException.throwInternalError:(Ljava/lang/String;)Ljava/lang/RuntimeException;
            athrow
        end local 0 // org.h2.util.LazyFuture this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   20     0  this  Lorg/h2/util/LazyFuture<TT;>;
            5    9     1     e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           1     3       4  Class java.lang.Exception
           1     9       9  any
    Exceptions:
      throws java.lang.InterruptedException, java.util.concurrent.ExecutionException
    Signature: ()TT;

  public T get(long, java.util.concurrent.TimeUnit);
    descriptor: (JLjava/util/concurrent/TimeUnit;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=4, args_size=3
        start local 0 // org.h2.util.LazyFuture this
        start local 1 // long timeout
        start local 3 // java.util.concurrent.TimeUnit unit
         0: .line 95
            aload 0 /* this */
            invokevirtual org.h2.util.LazyFuture.get:()Ljava/lang/Object;
            areturn
        end local 3 // java.util.concurrent.TimeUnit unit
        end local 1 // long timeout
        end local 0 // org.h2.util.LazyFuture this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0     this  Lorg/h2/util/LazyFuture<TT;>;
            0    1     1  timeout  J
            0    1     3     unit  Ljava/util/concurrent/TimeUnit;
    Exceptions:
      throws java.lang.InterruptedException, java.util.concurrent.ExecutionException
    Signature: (JLjava/util/concurrent/TimeUnit;)TT;
    MethodParameters:
         Name  Flags
      timeout  
      unit     

  public boolean isCancelled();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.h2.util.LazyFuture this
         0: .line 100
            aload 0 /* this */
            getfield org.h2.util.LazyFuture.state:I
            iconst_3
            if_icmpne 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // org.h2.util.LazyFuture this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/h2/util/LazyFuture<TT;>;

  public boolean isDone();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.h2.util.LazyFuture this
         0: .line 105
            aload 0 /* this */
            getfield org.h2.util.LazyFuture.state:I
            ifeq 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // org.h2.util.LazyFuture this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/h2/util/LazyFuture<TT;>;
}
Signature: <T:Ljava/lang/Object;>Ljava/lang/Object;Ljava/util/concurrent/Future<TT;>;
SourceFile: "LazyFuture.java"
/

com.h2database/ h2/ 1.4.199/ org/h2/util/LazyFuture.class
