Extended states:
- STATE_RELEASED -- The resource is not "used". A resource is only used if a thread has invoked useResource and has not yet invoked a matching releaseResource. For useexclusive mode the ApplicationPool should not transition a resource to released state until the last referencing thread has released that resource.
- STATE_REFERENCED -- The resource is not referenced. The resource has a positive ref count. This state actually tracks with RELEASED (a released resource is always unreferenced and a referenced resource is always not released) but the state is used by a different subsystem (useexclusive). I think we could polish this by combining the two. The historical reason for the two is simply that the two states evolved from different implementations -- REFERENCED has always been a ResourcePool state while RELEASED was only promoted to a ResourcePool state recently.
After checkout the following states are expected:
- useexclusive=true. STATE_REFERENCED
- useexclusive=false. STATE_REFERENCED | STATE_AVAILABLE.
After checkin the following states are expected:
- Reserved checkin (useexclusive=false). STATE_RELEASED
- Shared checkin (useexclusive=true). STATE_AVAILABLE | STATE_RELEASED
- useexclusive=true. n-1st referencing thread release - STATE_AVAILABLE | STATE_REFERENCED
- useexclusive=true. nth referencing thread release - STATE_AVAILABLE | STATE_RELEASED
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
STATE_NEW
public static final byte STATE_NEW
-
- See Also:
- Constant Field Values
STATE_AVAILABLE
public static final byte STATE_AVAILABLE
-
- See Also:
- Constant Field Values
STATE_INVALID
public static final byte STATE_INVALID
-
- See Also:
- Constant Field Values
STATE_DESTROYED
public static final byte STATE_DESTROYED
-
- See Also:
- Constant Field Values
STATE_RELEASED
public static final byte STATE_RELEASED
-
- See Also:
- Constant Field Values
STATE_REFERENCED
public static final byte STATE_REFERENCED
-
- See Also:
- Constant Field Values
STATE_SUSPENDED
public static final byte STATE_SUSPENDED
-
- See Also:
- Constant Field Values
STATE_BASE_FILTER
public static final byte STATE_BASE_FILTER
-
- See Also:
- Constant Field Values
ResourceInfo
public ResourceInfo(java.lang.Object resource)
getRefObject
public final java.lang.Object getRefObject()
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