public class org.apache.catalina.valves.SemaphoreValve extends org.apache.catalina.valves.ValveBase
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: org.apache.catalina.valves.SemaphoreValve
super_class: org.apache.catalina.valves.ValveBase
{
protected java.util.concurrent.Semaphore semaphore;
descriptor: Ljava/util/concurrent/Semaphore;
flags: (0x0004) ACC_PROTECTED
protected int concurrency;
descriptor: I
flags: (0x0004) ACC_PROTECTED
protected boolean fairness;
descriptor: Z
flags: (0x0004) ACC_PROTECTED
protected boolean block;
descriptor: Z
flags: (0x0004) ACC_PROTECTED
protected boolean interruptible;
descriptor: Z
flags: (0x0004) ACC_PROTECTED
public void <init>();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
iconst_1
invokespecial org.apache.catalina.valves.ValveBase.<init>:(Z)V
1: aload 0
aconst_null
putfield org.apache.catalina.valves.SemaphoreValve.semaphore:Ljava/util/concurrent/Semaphore;
2: aload 0
bipush 10
putfield org.apache.catalina.valves.SemaphoreValve.concurrency:I
3: aload 0
iconst_0
putfield org.apache.catalina.valves.SemaphoreValve.fairness:Z
4: aload 0
iconst_1
putfield org.apache.catalina.valves.SemaphoreValve.block:Z
5: aload 0
iconst_0
putfield org.apache.catalina.valves.SemaphoreValve.interruptible:Z
6: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 7 0 this Lorg/apache/catalina/valves/SemaphoreValve;
public int getConcurrency();
descriptor: ()I
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield org.apache.catalina.valves.SemaphoreValve.concurrency:I
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/apache/catalina/valves/SemaphoreValve;
public void setConcurrency(int);
descriptor: (I)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
iload 1
putfield org.apache.catalina.valves.SemaphoreValve.concurrency:I
return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/apache/catalina/valves/SemaphoreValve;
0 1 1 concurrency I
MethodParameters:
Name Flags
concurrency
public boolean getFairness();
descriptor: ()Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield org.apache.catalina.valves.SemaphoreValve.fairness:Z
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/apache/catalina/valves/SemaphoreValve;
public void setFairness(boolean);
descriptor: (Z)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
iload 1
putfield org.apache.catalina.valves.SemaphoreValve.fairness:Z
return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/apache/catalina/valves/SemaphoreValve;
0 1 1 fairness Z
MethodParameters:
Name Flags
fairness
public boolean getBlock();
descriptor: ()Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield org.apache.catalina.valves.SemaphoreValve.block:Z
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/apache/catalina/valves/SemaphoreValve;
public void setBlock(boolean);
descriptor: (Z)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
iload 1
putfield org.apache.catalina.valves.SemaphoreValve.block:Z
return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/apache/catalina/valves/SemaphoreValve;
0 1 1 block Z
MethodParameters:
Name Flags
block
public boolean getInterruptible();
descriptor: ()Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield org.apache.catalina.valves.SemaphoreValve.interruptible:Z
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/apache/catalina/valves/SemaphoreValve;
public void setInterruptible(boolean);
descriptor: (Z)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
iload 1
putfield org.apache.catalina.valves.SemaphoreValve.interruptible:Z
return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/apache/catalina/valves/SemaphoreValve;
0 1 1 interruptible Z
MethodParameters:
Name Flags
interruptible
protected synchronized void startInternal();
descriptor: ()V
flags: (0x0024) ACC_PROTECTED, ACC_SYNCHRONIZED
Code:
stack=5, locals=1, args_size=1
start local 0 0: aload 0
new java.util.concurrent.Semaphore
dup
aload 0
getfield org.apache.catalina.valves.SemaphoreValve.concurrency:I
aload 0
getfield org.apache.catalina.valves.SemaphoreValve.fairness:Z
invokespecial java.util.concurrent.Semaphore.<init>:(IZ)V
putfield org.apache.catalina.valves.SemaphoreValve.semaphore:Ljava/util/concurrent/Semaphore;
1: aload 0
getstatic org.apache.catalina.LifecycleState.STARTING:Lorg/apache/catalina/LifecycleState;
invokevirtual org.apache.catalina.valves.SemaphoreValve.setState:(Lorg/apache/catalina/LifecycleState;)V
2: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Lorg/apache/catalina/valves/SemaphoreValve;
Exceptions:
throws org.apache.catalina.LifecycleException
protected synchronized void stopInternal();
descriptor: ()V
flags: (0x0024) ACC_PROTECTED, ACC_SYNCHRONIZED
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
getstatic org.apache.catalina.LifecycleState.STOPPING:Lorg/apache/catalina/LifecycleState;
invokevirtual org.apache.catalina.valves.SemaphoreValve.setState:(Lorg/apache/catalina/LifecycleState;)V
1: aload 0
aconst_null
putfield org.apache.catalina.valves.SemaphoreValve.semaphore:Ljava/util/concurrent/Semaphore;
2: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Lorg/apache/catalina/valves/SemaphoreValve;
Exceptions:
throws org.apache.catalina.LifecycleException
public void invoke(org.apache.catalina.connector.Request, org.apache.catalina.connector.Response);
descriptor: (Lorg/apache/catalina/connector/Request;Lorg/apache/catalina/connector/Response;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=5, args_size=3
start local 0 start local 1 start local 2 0: aload 0
aload 1
aload 2
invokevirtual org.apache.catalina.valves.SemaphoreValve.controlConcurrency:(Lorg/apache/catalina/connector/Request;Lorg/apache/catalina/connector/Response;)Z
ifeq 29
1: iconst_1
istore 3
start local 3 2: aload 0
getfield org.apache.catalina.valves.SemaphoreValve.block:Z
ifeq 14
3: aload 0
getfield org.apache.catalina.valves.SemaphoreValve.interruptible:Z
ifeq 12
4: aload 0
getfield org.apache.catalina.valves.SemaphoreValve.semaphore:Ljava/util/concurrent/Semaphore;
invokevirtual java.util.concurrent.Semaphore.acquire:()V
5: goto 20
StackMap locals: org.apache.catalina.valves.SemaphoreValve org.apache.catalina.connector.Request org.apache.catalina.connector.Response int
StackMap stack: java.lang.InterruptedException
6: pop
7: iconst_0
istore 3
8: aload 0
aload 1
aload 2
invokevirtual org.apache.catalina.valves.SemaphoreValve.permitDenied:(Lorg/apache/catalina/connector/Request;Lorg/apache/catalina/connector/Response;)V
9: iload 3
ifeq 11
10: aload 0
getfield org.apache.catalina.valves.SemaphoreValve.semaphore:Ljava/util/concurrent/Semaphore;
invokevirtual java.util.concurrent.Semaphore.release:()V
11: StackMap locals:
StackMap stack:
return
12: StackMap locals:
StackMap stack:
aload 0
getfield org.apache.catalina.valves.SemaphoreValve.semaphore:Ljava/util/concurrent/Semaphore;
invokevirtual java.util.concurrent.Semaphore.acquireUninterruptibly:()V
13: goto 20
14: StackMap locals:
StackMap stack:
aload 0
getfield org.apache.catalina.valves.SemaphoreValve.semaphore:Ljava/util/concurrent/Semaphore;
invokevirtual java.util.concurrent.Semaphore.tryAcquire:()Z
ifne 20
15: iconst_0
istore 3
16: aload 0
aload 1
aload 2
invokevirtual org.apache.catalina.valves.SemaphoreValve.permitDenied:(Lorg/apache/catalina/connector/Request;Lorg/apache/catalina/connector/Response;)V
17: iload 3
ifeq 19
18: aload 0
getfield org.apache.catalina.valves.SemaphoreValve.semaphore:Ljava/util/concurrent/Semaphore;
invokevirtual java.util.concurrent.Semaphore.release:()V
19: StackMap locals:
StackMap stack:
return
20: StackMap locals:
StackMap stack:
aload 0
invokevirtual org.apache.catalina.valves.SemaphoreValve.getNext:()Lorg/apache/catalina/Valve;
aload 1
aload 2
invokeinterface org.apache.catalina.Valve.invoke:(Lorg/apache/catalina/connector/Request;Lorg/apache/catalina/connector/Response;)V
21: goto 26
StackMap locals:
StackMap stack: java.lang.Throwable
22: astore 4
23: iload 3
ifeq 25
24: aload 0
getfield org.apache.catalina.valves.SemaphoreValve.semaphore:Ljava/util/concurrent/Semaphore;
invokevirtual java.util.concurrent.Semaphore.release:()V
25: StackMap locals: java.lang.Throwable
StackMap stack:
aload 4
athrow
26: StackMap locals:
StackMap stack:
iload 3
ifeq 30
27: aload 0
getfield org.apache.catalina.valves.SemaphoreValve.semaphore:Ljava/util/concurrent/Semaphore;
invokevirtual java.util.concurrent.Semaphore.release:()V
end local 3 28: goto 30
29: StackMap locals:
StackMap stack:
aload 0
invokevirtual org.apache.catalina.valves.SemaphoreValve.getNext:()Lorg/apache/catalina/Valve;
aload 1
aload 2
invokeinterface org.apache.catalina.Valve.invoke:(Lorg/apache/catalina/connector/Request;Lorg/apache/catalina/connector/Response;)V
30: StackMap locals:
StackMap stack:
return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 31 0 this Lorg/apache/catalina/valves/SemaphoreValve;
0 31 1 request Lorg/apache/catalina/connector/Request;
0 31 2 response Lorg/apache/catalina/connector/Response;
2 28 3 shouldRelease Z
Exception table:
from to target type
4 5 6 Class java.lang.InterruptedException
2 9 22 any
12 17 22 any
20 22 22 any
Exceptions:
throws java.io.IOException, jakarta.servlet.ServletException
MethodParameters:
Name Flags
request
response
public boolean controlConcurrency(org.apache.catalina.connector.Request, org.apache.catalina.connector.Response);
descriptor: (Lorg/apache/catalina/connector/Request;Lorg/apache/catalina/connector/Response;)Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=3, args_size=3
start local 0 start local 1 start local 2 0: iconst_1
ireturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/apache/catalina/valves/SemaphoreValve;
0 1 1 request Lorg/apache/catalina/connector/Request;
0 1 2 response Lorg/apache/catalina/connector/Response;
MethodParameters:
Name Flags
request
response
public void permitDenied(org.apache.catalina.connector.Request, org.apache.catalina.connector.Response);
descriptor: (Lorg/apache/catalina/connector/Request;Lorg/apache/catalina/connector/Response;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=0, locals=3, args_size=3
start local 0 start local 1 start local 2 0: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/apache/catalina/valves/SemaphoreValve;
0 1 1 request Lorg/apache/catalina/connector/Request;
0 1 2 response Lorg/apache/catalina/connector/Response;
Exceptions:
throws java.io.IOException, jakarta.servlet.ServletException
MethodParameters:
Name Flags
request
response
}
SourceFile: "SemaphoreValve.java"