public abstract class java.nio.channels.Selector implements java.io.Closeable
minor version: 0
major version: 59
flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
this_class: java.nio.channels.Selector
super_class: java.lang.Object
{
static final boolean $assertionsDisabled;
descriptor: Z
flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=1, locals=0, args_size=0
0: ldc Ljava/nio/channels/Selector;
invokevirtual java.lang.Class.desiredAssertionStatus:()Z
ifne 1
iconst_1
goto 2
StackMap locals:
StackMap stack:
1: iconst_0
StackMap locals:
StackMap stack: int
2: putstatic java.nio.channels.Selector.$assertionsDisabled:Z
return
LocalVariableTable:
Start End Slot Name Signature
protected void <init>();
descriptor: ()V
flags: (0x0004) ACC_PROTECTED
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
invokespecial java.lang.Object.<init>:()V
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/nio/channels/Selector;
public static java.nio.channels.Selector open();
descriptor: ()Ljava/nio/channels/Selector;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=1, locals=0, args_size=0
0: invokestatic java.nio.channels.spi.SelectorProvider.provider:()Ljava/nio/channels/spi/SelectorProvider;
invokevirtual java.nio.channels.spi.SelectorProvider.openSelector:()Ljava/nio/channels/spi/AbstractSelector;
areturn
LocalVariableTable:
Start End Slot Name Signature
Exceptions:
throws java.io.IOException
public abstract boolean isOpen();
descriptor: ()Z
flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
public abstract java.nio.channels.spi.SelectorProvider provider();
descriptor: ()Ljava/nio/channels/spi/SelectorProvider;
flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
public abstract java.util.Set<java.nio.channels.SelectionKey> keys();
descriptor: ()Ljava/util/Set;
flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
Signature: ()Ljava/util/Set<Ljava/nio/channels/SelectionKey;>;
public abstract java.util.Set<java.nio.channels.SelectionKey> selectedKeys();
descriptor: ()Ljava/util/Set;
flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
Signature: ()Ljava/util/Set<Ljava/nio/channels/SelectionKey;>;
public abstract int selectNow();
descriptor: ()I
flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
Exceptions:
throws java.io.IOException
public abstract int select(long);
descriptor: (J)I
flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
timeout
public abstract int select();
descriptor: ()I
flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
Exceptions:
throws java.io.IOException
public int select(java.util.function.Consumer<java.nio.channels.SelectionKey>, );
descriptor: (Ljava/util/function/Consumer;J)I
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=4, args_size=3
start local 0 start local 1 start local 2 0: lload 2
lconst_0
lcmp
ifge 2
1: new java.lang.IllegalArgumentException
dup
ldc "Negative timeout"
invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
athrow
2: StackMap locals:
StackMap stack:
aload 0
aload 1
invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;)Ljava/lang/Object;
checkcast java.util.function.Consumer
lload 2
invokevirtual java.nio.channels.Selector.doSelect:(Ljava/util/function/Consumer;J)I
ireturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Ljava/nio/channels/Selector;
0 3 1 action Ljava/util/function/Consumer<Ljava/nio/channels/SelectionKey;>;
0 3 2 timeout J
Exceptions:
throws java.io.IOException
Signature: (Ljava/util/function/Consumer<Ljava/nio/channels/SelectionKey;>;J)I
MethodParameters:
Name Flags
action
timeout
public int select(java.util.function.Consumer<java.nio.channels.SelectionKey>);
descriptor: (Ljava/util/function/Consumer;)I
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=2, args_size=2
start local 0 start local 1 0: aload 0
aload 1
lconst_0
invokevirtual java.nio.channels.Selector.select:(Ljava/util/function/Consumer;J)I
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/nio/channels/Selector;
0 1 1 action Ljava/util/function/Consumer<Ljava/nio/channels/SelectionKey;>;
Exceptions:
throws java.io.IOException
Signature: (Ljava/util/function/Consumer<Ljava/nio/channels/SelectionKey;>;)I
MethodParameters:
Name Flags
action
public int selectNow(java.util.function.Consumer<java.nio.channels.SelectionKey>);
descriptor: (Ljava/util/function/Consumer;)I
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=2, args_size=2
start local 0 start local 1 0: aload 0
aload 1
invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;)Ljava/lang/Object;
checkcast java.util.function.Consumer
ldc -1
invokevirtual java.nio.channels.Selector.doSelect:(Ljava/util/function/Consumer;J)I
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/nio/channels/Selector;
0 1 1 action Ljava/util/function/Consumer<Ljava/nio/channels/SelectionKey;>;
Exceptions:
throws java.io.IOException
Signature: (Ljava/util/function/Consumer<Ljava/nio/channels/SelectionKey;>;)I
MethodParameters:
Name Flags
action
private int doSelect(java.util.function.Consumer<java.nio.channels.SelectionKey>, );
descriptor: (Ljava/util/function/Consumer;J)I
flags: (0x0002) ACC_PRIVATE
Code:
stack=4, locals=9, args_size=3
start local 0 start local 1 start local 2 0: aload 0
dup
astore 4
monitorenter
1: aload 0
invokevirtual java.nio.channels.Selector.selectedKeys:()Ljava/util/Set;
astore 5
start local 5 2: aload 5
dup
astore 6
monitorenter
3: aload 5
invokeinterface java.util.Set.clear:()V
4: lload 2
lconst_0
lcmp
ifge 7
5: aload 0
invokevirtual java.nio.channels.Selector.selectNow:()I
istore 7
start local 7 6: goto 8
end local 7 7: StackMap locals: java.nio.channels.Selector java.util.Set java.util.Set
StackMap stack:
aload 0
lload 2
invokevirtual java.nio.channels.Selector.select:(J)I
istore 7
start local 7 8: StackMap locals: int
StackMap stack:
aload 5
invokestatic java.util.Set.copyOf:(Ljava/util/Collection;)Ljava/util/Set;
astore 8
start local 8 9: getstatic java.nio.channels.Selector.$assertionsDisabled:Z
ifne 10
aload 8
invokeinterface java.util.Set.size:()I
iload 7
if_icmpeq 10
new java.lang.AssertionError
dup
invokespecial java.lang.AssertionError.<init>:()V
athrow
10: StackMap locals: java.util.Set
StackMap stack:
aload 5
invokeinterface java.util.Set.clear:()V
11: aload 8
aload 0
aload 1
invokedynamic accept(Ljava/nio/channels/Selector;Ljava/util/function/Consumer;)Ljava/util/function/Consumer;
Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$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;)V
java/nio/channels/Selector.lambda$0(Ljava/util/function/Consumer;Ljava/nio/channels/SelectionKey;)V (7)
(Ljava/nio/channels/SelectionKey;)V
invokeinterface java.util.Set.forEach:(Ljava/util/function/Consumer;)V
12: iload 7
aload 6
monitorexit
13: aload 4
monitorexit
14: ireturn
end local 8 end local 7 15: StackMap locals: java.nio.channels.Selector java.util.function.Consumer long java.nio.channels.Selector java.util.Set java.util.Set
StackMap stack: java.lang.Throwable
aload 6
monitorexit
16: athrow
end local 5 17: StackMap locals: java.nio.channels.Selector java.util.function.Consumer long java.nio.channels.Selector
StackMap stack: java.lang.Throwable
aload 4
monitorexit
18: athrow
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 19 0 this Ljava/nio/channels/Selector;
0 19 1 action Ljava/util/function/Consumer<Ljava/nio/channels/SelectionKey;>;
0 19 2 timeout J
2 17 5 selectedKeys Ljava/util/Set<Ljava/nio/channels/SelectionKey;>;
6 7 7 numKeySelected I
8 15 7 numKeySelected I
9 15 8 keysToConsume Ljava/util/Set<Ljava/nio/channels/SelectionKey;>;
Exception table:
from to target type
3 13 15 any
15 16 15 any
1 14 17 any
15 18 17 any
Exceptions:
throws java.io.IOException
Signature: (Ljava/util/function/Consumer<Ljava/nio/channels/SelectionKey;>;J)I
MethodParameters:
Name Flags
action
timeout
public abstract java.nio.channels.Selector wakeup();
descriptor: ()Ljava/nio/channels/Selector;
flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
public abstract void close();
descriptor: ()V
flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
Exceptions:
throws java.io.IOException
private void lambda$0(java.util.function.Consumer, java.nio.channels.SelectionKey);
descriptor: (Ljava/util/function/Consumer;Ljava/nio/channels/SelectionKey;)V
flags: (0x1002) ACC_PRIVATE, ACC_SYNTHETIC
Code:
stack=2, locals=3, args_size=3
start local 0 start local 2 0: aload 1
aload 2
invokeinterface java.util.function.Consumer.accept:(Ljava/lang/Object;)V
1: aload 0
invokevirtual java.nio.channels.Selector.isOpen:()Z
ifne 3
2: new java.nio.channels.ClosedSelectorException
dup
invokespecial java.nio.channels.ClosedSelectorException.<init>:()V
athrow
3: StackMap locals:
StackMap stack:
return
end local 2 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Ljava/nio/channels/Selector;
0 4 2 k Ljava/nio/channels/SelectionKey;
}
SourceFile: "Selector.java"
InnerClasses:
public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles