public class org.apache.activemq.util.LockFile extends java.lang.Object
{
private static final boolean DISABLE_FILE_LOCK;
private final java.io.File file;
private long lastModified;
private java.nio.channels.FileLock lock;
private java.io.RandomAccessFile randomAccessLockFile;
private int lockCounter;
private final boolean deleteOnUnlock;
private volatile boolean locked;
private java.lang.String lockSystemPropertyName;
private static final org.slf4j.Logger LOG;
public void <init>(java.io.File, boolean)
{
org.apache.activemq.util.LockFile v;
java.io.File v;
boolean v;
v := @this: org.apache.activemq.util.LockFile;
v := @parameter: java.io.File;
v := @parameter: boolean;
specialinvoke v.<java.lang.Object: void <init>()>();
v.<org.apache.activemq.util.LockFile: java.lang.String lockSystemPropertyName> = "";
v.<org.apache.activemq.util.LockFile: java.io.File file> = v;
v.<org.apache.activemq.util.LockFile: boolean deleteOnUnlock> = v;
return;
}
public synchronized void lock() throws java.io.IOException
{
java.io.RandomAccessFile v, v, v, v, v;
java.nio.channels.OverlappingFileLockException v;
java.util.Date v, v;
java.nio.channels.FileLock v, v, v, v, v;
boolean v;
org.apache.activemq.util.LockFile v;
java.lang.Throwable v, v, v, v;
long v, v, v, v;
int v, v, v;
java.lang.String v, v, v, v, v, v, v, v, v, v, v, v, v, v;
java.util.Properties v, v;
java.io.IOException v, v, v, v;
java.io.File v, v, v, v, v, v, v;
java.nio.channels.FileChannel v, v, v;
v := @this: org.apache.activemq.util.LockFile;
v = <org.apache.activemq.util.LockFile: boolean DISABLE_FILE_LOCK>;
if v == 0 goto label;
return;
label:
v = v.<org.apache.activemq.util.LockFile: int lockCounter>;
if v <= 0 goto label;
return;
label:
v = v.<org.apache.activemq.util.LockFile: java.io.File file>;
v = virtualinvoke v.<java.io.File: java.io.File getParentFile()>();
staticinvoke <org.apache.activemq.util.IOHelper: void mkdirs(java.io.File)>(v);
entermonitor class "Lorg/apache/activemq/util/LockFile;";
label:
v = specialinvoke v.<org.apache.activemq.util.LockFile: java.lang.String getVmLockKey()>();
v.<org.apache.activemq.util.LockFile: java.lang.String lockSystemPropertyName> = v;
v = v.<org.apache.activemq.util.LockFile: java.lang.String lockSystemPropertyName>;
v = staticinvoke <java.lang.System: java.lang.String getProperty(java.lang.String)>(v);
if v == null goto label;
v = new java.io.IOException;
v = v.<org.apache.activemq.util.LockFile: java.io.File file>;
v = v.<org.apache.activemq.util.LockFile: java.lang.String lockSystemPropertyName>;
v = staticinvoke <java.lang.System: java.lang.String getProperty(java.lang.String)>(v);
v = dynamicinvoke "makeConcatWithConstants" <java.lang.String (java.io.File,java.lang.String)>(v, v) <java.lang.invoke.StringConcatFactory: java.lang.invoke.CallSite makeConcatWithConstants(java.lang.invoke.MethodHandles$Lookup,java.lang.String,java.lang.invoke.MethodType,java.lang.String,java.lang.Object[])>("File \'\u0001\' could not be locked as lock is already held for this jvm. Value: \u0001");
specialinvoke v.<java.io.IOException: void <init>(java.lang.String)>(v);
throw v;
label:
v = v.<org.apache.activemq.util.LockFile: java.lang.String lockSystemPropertyName>;
v = new java.util.Date;
specialinvoke v.<java.util.Date: void <init>()>();
v = virtualinvoke v.<java.util.Date: java.lang.String toString()>();
staticinvoke <java.lang.System: java.lang.String setProperty(java.lang.String,java.lang.String)>(v, v);
exitmonitor class "Lorg/apache/activemq/util/LockFile;";
label:
goto label;
label:
v := @caughtexception;
exitmonitor class "Lorg/apache/activemq/util/LockFile;";
throw v;
label:
v = v.<org.apache.activemq.util.LockFile: java.nio.channels.FileLock lock>;
if v != null goto label;
v = new java.io.RandomAccessFile;
v = v.<org.apache.activemq.util.LockFile: java.io.File file>;
specialinvoke v.<java.io.RandomAccessFile: void <init>(java.io.File,java.lang.String)>(v, "rw");
v.<org.apache.activemq.util.LockFile: java.io.RandomAccessFile randomAccessLockFile> = v;
v = null;
label:
v = v.<org.apache.activemq.util.LockFile: java.io.RandomAccessFile randomAccessLockFile>;
v = virtualinvoke v.<java.io.RandomAccessFile: java.nio.channels.FileChannel getChannel()>();
v = v.<org.apache.activemq.util.LockFile: java.io.RandomAccessFile randomAccessLockFile>;
v = virtualinvoke v.<java.io.RandomAccessFile: java.nio.channels.FileChannel getChannel()>();
v = virtualinvoke v.<java.nio.channels.FileChannel: long size()>();
v = staticinvoke <java.lang.Math: long max(long,long)>(1L, v);
v = virtualinvoke v.<java.nio.channels.FileChannel: java.nio.channels.FileLock tryLock(long,long,boolean)>(0L, v, 0);
v.<org.apache.activemq.util.LockFile: java.nio.channels.FileLock lock> = v;
label:
goto label;
label:
v := @caughtexception;
v = v.<org.apache.activemq.util.LockFile: java.io.File file>;
v = dynamicinvoke "makeConcatWithConstants" <java.lang.String (java.io.File)>(v) <java.lang.invoke.StringConcatFactory: java.lang.invoke.CallSite makeConcatWithConstants(java.lang.invoke.MethodHandles$Lookup,java.lang.String,java.lang.invoke.MethodType,java.lang.String,java.lang.Object[])>("File \'\u0001\' could not be locked.");
v = staticinvoke <org.apache.activemq.util.IOExceptionSupport: java.io.IOException create(java.lang.String,java.lang.Exception)>(v, v);
goto label;
label:
v := @caughtexception;
v = v;
label:
v = v.<org.apache.activemq.util.LockFile: java.nio.channels.FileLock lock>;
if v == null goto label;
v = v.<org.apache.activemq.util.LockFile: java.io.RandomAccessFile randomAccessLockFile>;
v = staticinvoke <java.lang.System: long currentTimeMillis()>();
virtualinvoke v.<java.io.RandomAccessFile: void writeLong(long)>(v);
v = v.<org.apache.activemq.util.LockFile: java.io.RandomAccessFile randomAccessLockFile>;
v = virtualinvoke v.<java.io.RandomAccessFile: java.nio.channels.FileChannel getChannel()>();
virtualinvoke v.<java.nio.channels.FileChannel: void force(boolean)>(1);
v = v.<org.apache.activemq.util.LockFile: java.io.File file>;
v = virtualinvoke v.<java.io.File: long lastModified()>();
v.<org.apache.activemq.util.LockFile: long lastModified> = v;
v = v.<org.apache.activemq.util.LockFile: int lockCounter>;
v = v + 1;
v.<org.apache.activemq.util.LockFile: int lockCounter> = v;
v = v.<org.apache.activemq.util.LockFile: java.lang.String lockSystemPropertyName>;
v = new java.util.Date;
specialinvoke v.<java.util.Date: void <init>()>();
v = virtualinvoke v.<java.util.Date: java.lang.String toString()>();
staticinvoke <java.lang.System: java.lang.String setProperty(java.lang.String,java.lang.String)>(v, v);
v.<org.apache.activemq.util.LockFile: boolean locked> = 1;
goto label;
label:
specialinvoke v.<org.apache.activemq.util.LockFile: void closeReadFile()>();
if v == null goto label;
throw v;
label:
v = new java.io.IOException;
v = v.<org.apache.activemq.util.LockFile: java.io.File file>;
v = dynamicinvoke "makeConcatWithConstants" <java.lang.String (java.io.File)>(v) <java.lang.invoke.StringConcatFactory: java.lang.invoke.CallSite makeConcatWithConstants(java.lang.invoke.MethodHandles$Lookup,java.lang.String,java.lang.invoke.MethodType,java.lang.String,java.lang.Object[])>("File \'\u0001\' could not be locked.");
specialinvoke v.<java.io.IOException: void <init>(java.lang.String)>(v);
throw v;
label:
entermonitor class "Lorg/apache/activemq/util/LockFile;";
label:
v = v.<org.apache.activemq.util.LockFile: java.nio.channels.FileLock lock>;
if v != null goto label;
v = staticinvoke <java.lang.System: java.util.Properties getProperties()>();
v = v.<org.apache.activemq.util.LockFile: java.lang.String lockSystemPropertyName>;
virtualinvoke v.<java.util.Properties: java.lang.Object remove(java.lang.Object)>(v);
label:
exitmonitor class "Lorg/apache/activemq/util/LockFile;";
label:
goto label;
label:
v := @caughtexception;
exitmonitor class "Lorg/apache/activemq/util/LockFile;";
throw v;
label:
v := @caughtexception;
entermonitor class "Lorg/apache/activemq/util/LockFile;";
label:
v = v.<org.apache.activemq.util.LockFile: java.nio.channels.FileLock lock>;
if v != null goto label;
v = staticinvoke <java.lang.System: java.util.Properties getProperties()>();
v = v.<org.apache.activemq.util.LockFile: java.lang.String lockSystemPropertyName>;
virtualinvoke v.<java.util.Properties: java.lang.Object remove(java.lang.Object)>(v);
label:
exitmonitor class "Lorg/apache/activemq/util/LockFile;";
label:
goto label;
label:
v := @caughtexception;
exitmonitor class "Lorg/apache/activemq/util/LockFile;";
throw v;
label:
throw v;
label:
return;
catch java.lang.Throwable from label to label with label;
catch java.nio.channels.OverlappingFileLockException from label to label with label;
catch java.io.IOException from label to label with label;
catch java.lang.Throwable from label to label with label;
catch java.lang.Throwable from label to label with label;
catch java.lang.Throwable from label to label with label;
}
public synchronized void unlock()
{
java.lang.Throwable v;
java.nio.channels.FileLock v, v;
int v, v, v;
java.lang.String v, v, v, v;
boolean v, v, v;
java.util.Properties v, v;
org.apache.activemq.util.LockFile v;
java.io.File v;
v := @this: org.apache.activemq.util.LockFile;
v = <org.apache.activemq.util.LockFile: boolean DISABLE_FILE_LOCK>;
if v == 0 goto label;
return;
label:
v = v.<org.apache.activemq.util.LockFile: int lockCounter>;
v = v - 1;
v.<org.apache.activemq.util.LockFile: int lockCounter> = v;
v = v.<org.apache.activemq.util.LockFile: int lockCounter>;
if v == 0 goto label;
return;
label:
v = v.<org.apache.activemq.util.LockFile: java.nio.channels.FileLock lock>;
if v == null goto label;
label:
v = v.<org.apache.activemq.util.LockFile: java.nio.channels.FileLock lock>;
virtualinvoke v.<java.nio.channels.FileLock: void release()>();
label:
v = v.<org.apache.activemq.util.LockFile: java.lang.String lockSystemPropertyName>;
if v == null goto label;
v = staticinvoke <java.lang.System: java.util.Properties getProperties()>();
v = v.<org.apache.activemq.util.LockFile: java.lang.String lockSystemPropertyName>;
virtualinvoke v.<java.util.Properties: java.lang.Object remove(java.lang.Object)>(v);
label:
v.<org.apache.activemq.util.LockFile: java.nio.channels.FileLock lock> = null;
goto label;
label:
v := @caughtexception;
v = v.<org.apache.activemq.util.LockFile: java.lang.String lockSystemPropertyName>;
if v == null goto label;
v = staticinvoke <java.lang.System: java.util.Properties getProperties()>();
v = v.<org.apache.activemq.util.LockFile: java.lang.String lockSystemPropertyName>;
virtualinvoke v.<java.util.Properties: java.lang.Object remove(java.lang.Object)>(v);
label:
v.<org.apache.activemq.util.LockFile: java.nio.channels.FileLock lock> = null;
label:
specialinvoke v.<org.apache.activemq.util.LockFile: void closeReadFile()>();
v = v.<org.apache.activemq.util.LockFile: boolean locked>;
if v == 0 goto label;
v = v.<org.apache.activemq.util.LockFile: boolean deleteOnUnlock>;
if v == 0 goto label;
v = v.<org.apache.activemq.util.LockFile: java.io.File file>;
virtualinvoke v.<java.io.File: boolean delete()>();
label:
return;
catch java.lang.Throwable from label to label with label;
}
private java.lang.String getVmLockKey() throws java.io.IOException
{
org.apache.activemq.util.LockFile v;
java.lang.Class v;
java.lang.String v, v, v;
java.io.File v;
v := @this: org.apache.activemq.util.LockFile;
v = virtualinvoke v.<java.lang.Object: java.lang.Class getClass()>();
v = virtualinvoke v.<java.lang.Class: java.lang.String getName()>();
v = v.<org.apache.activemq.util.LockFile: java.io.File file>;
v = virtualinvoke v.<java.io.File: java.lang.String getCanonicalPath()>();
v = dynamicinvoke "makeConcatWithConstants" <java.lang.String (java.lang.String,java.lang.String)>(v, v) <java.lang.invoke.StringConcatFactory: java.lang.invoke.CallSite makeConcatWithConstants(java.lang.invoke.MethodHandles$Lookup,java.lang.String,java.lang.invoke.MethodType,java.lang.String,java.lang.Object[])>("\u.lock.\u0001");
return v;
}
private void closeReadFile()
{
java.lang.Throwable v;
java.io.RandomAccessFile v, v;
org.apache.activemq.util.LockFile v;
v := @this: org.apache.activemq.util.LockFile;
v = v.<org.apache.activemq.util.LockFile: java.io.RandomAccessFile randomAccessLockFile>;
if v == null goto label;
label:
v = v.<org.apache.activemq.util.LockFile: java.io.RandomAccessFile randomAccessLockFile>;
virtualinvoke v.<java.io.RandomAccessFile: void close()>();
label:
goto label;
label:
v := @caughtexception;
label:
v.<org.apache.activemq.util.LockFile: java.io.RandomAccessFile randomAccessLockFile> = null;
label:
return;
catch java.lang.Throwable from label to label with label;
}
private boolean hasBeenModified()
{
java.util.Date v, v;
long v, v, v, v;
byte v;
java.lang.String v, v, v, v, v;
boolean v, v;
org.slf4j.Logger v, v;
org.apache.activemq.util.LockFile v;
java.io.File v, v, v, v;
v := @this: org.apache.activemq.util.LockFile;
v = 0;
v = new java.io.File;
v = v.<org.apache.activemq.util.LockFile: java.io.File file>;
v = virtualinvoke v.<java.io.File: java.lang.String getAbsolutePath()>();
specialinvoke v.<java.io.File: void <init>(java.lang.String)>(v);
v = virtualinvoke v.<java.io.File: boolean exists()>();
if v == 0 goto label;
v = virtualinvoke v.<java.io.File: long lastModified()>();
v = v.<org.apache.activemq.util.LockFile: long lastModified>;
v = v cmp v;
if v == 0 goto label;
v = <org.apache.activemq.util.LockFile: org.slf4j.Logger LOG>;
v = v.<org.apache.activemq.util.LockFile: java.io.File file>;
v = virtualinvoke v.<java.io.File: java.lang.String getAbsolutePath()>();
v = new java.util.Date;
v = v.<org.apache.activemq.util.LockFile: long lastModified>;
specialinvoke v.<java.util.Date: void <init>(long)>(v);
v = new java.util.Date;
v = virtualinvoke v.<java.io.File: long lastModified()>();
specialinvoke v.<java.util.Date: void <init>(long)>(v);
v = dynamicinvoke "makeConcatWithConstants" <java.lang.String (java.lang.String,java.util.Date,java.util.Date)>(v, v, v) <java.lang.invoke.StringConcatFactory: java.lang.invoke.CallSite makeConcatWithConstants(java.lang.invoke.MethodHandles$Lookup,java.lang.String,java.lang.invoke.MethodType,java.lang.String,java.lang.Object[])>("Lock file \u, locked at \u, has been modified at \u0001");
interfaceinvoke v.<org.slf4j.Logger: void info(java.lang.String)>(v);
v = 1;
goto label;
label:
v = <org.apache.activemq.util.LockFile: org.slf4j.Logger LOG>;
v = v.<org.apache.activemq.util.LockFile: java.io.File file>;
v = virtualinvoke v.<java.io.File: java.lang.String getAbsolutePath()>();
v = dynamicinvoke "makeConcatWithConstants" <java.lang.String (java.lang.String)>(v) <java.lang.invoke.StringConcatFactory: java.lang.invoke.CallSite makeConcatWithConstants(java.lang.invoke.MethodHandles$Lookup,java.lang.String,java.lang.invoke.MethodType,java.lang.String,java.lang.Object[])>("Lock file \u, does not exist");
interfaceinvoke v.<org.slf4j.Logger: void info(java.lang.String)>(v);
v = 1;
label:
return v;
}
public boolean keepAlive()
{
org.apache.activemq.util.LockFile v;
java.nio.channels.FileLock v, v;
boolean v, v, v, v, v;
v := @this: org.apache.activemq.util.LockFile;
v = v.<org.apache.activemq.util.LockFile: boolean locked>;
if v == 0 goto label;
v = v.<org.apache.activemq.util.LockFile: java.nio.channels.FileLock lock>;
if v == null goto label;
v = v.<org.apache.activemq.util.LockFile: java.nio.channels.FileLock lock>;
v = virtualinvoke v.<java.nio.channels.FileLock: boolean isValid()>();
if v == 0 goto label;
v = specialinvoke v.<org.apache.activemq.util.LockFile: boolean hasBeenModified()>();
if v != 0 goto label;
v = 1;
goto label;
label:
v = 0;
label:
v.<org.apache.activemq.util.LockFile: boolean locked> = v;
v = v.<org.apache.activemq.util.LockFile: boolean locked>;
return v;
}
static void <clinit>()
{
org.slf4j.Logger v;
boolean v;
v = staticinvoke <java.lang.Boolean: boolean getBoolean(java.lang.String)>("java.nio.channels.FileLock.broken");
<org.apache.activemq.util.LockFile: boolean DISABLE_FILE_LOCK> = v;
v = staticinvoke <org.slf4j.LoggerFactory: org.slf4j.Logger getLogger(java.lang.Class)>(class "Lorg/apache/activemq/util/LockFile;");
<org.apache.activemq.util.LockFile: org.slf4j.Logger LOG> = v;
return;
}
}