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java.lang.Objectautohit.vm.VMObject
This is a lock-able, set-able object. Field item holds the actual data.
EPG - Initial - 8may03
Constructor Summary | |
VMObject()
Default Constructor. |
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VMObject(java.lang.Object o)
Creator Constructor. |
Method Summary | |
void |
free()
Cancel all locks |
java.lang.Object |
get()
Get the object |
void |
lock()
The calling thread will try to lock it. |
void |
set(java.lang.Object o)
Set the object |
boolean |
test()
Test if I can access it |
void |
unlock()
Knock the spinlock down one. |
void |
waitingLock()
Get the object. |
java.lang.Object |
waitingRead()
Get the object. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public VMObject()
public VMObject(java.lang.Object o)
o
- the objectMethod Detail |
public void lock() throws VMException
VMException
- if it is already locked.public boolean test()
public void unlock() throws VMException
VMException
- if it locked by something else.public void free() throws VMException
VMException
- if it locked by something else.public void set(java.lang.Object o) throws VMException
VMException
- if it locked by something else.public java.lang.Object get() throws VMException
VMException
- if it locked by something else.public java.lang.Object waitingRead()
VMException
- if it locked by something else.public void waitingLock()
VMException
- if it locked by something else.
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