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IceGrid::Session
Overview
interface Session extends ::Glacier2::Session
A session object is used by IceGrid clients to allocate and release objects. Client sessions are either created with the Registry object or the registry client ::Glacier2::SessionManager object.
See Also
Operation Index
- keepAlive
- Keep the session alive.
- allocateObjectById
- Allocate an object.
- allocateObjectByType
- Allocate an object with the given type.
- releaseObject
- Release an object.
- setAllocationTimeout
- Set the allocation timeout.
Operations
void keepAlive()
Keep the session alive. Clients should call this operation regularly to prevent the server from reaping the session.
See Also
Object* allocateObjectById(::Ice::Identity id) throws ObjectNotRegisteredException, AllocationException
Allocate an object. Depending on the allocation timeout, this operation might hang until the object is available or until the timeout is reached.
Parameters
- id
- The identity of the object to allocate.
Return Value
The proxy of the allocated object.
Exceptions
- ObjectNotRegisteredException
- Raised if the object with the given identity is not registered with the registry.
- AllocationException
- Raised if the object can't be allocated.
See Also
Object* allocateObjectByType(string type) throws AllocationException
Allocate an object with the given type. Depending on the allocation timeout, this operation can block until an object becomes available or until the timeout is reached.
Parameters
- type
- The type of the object.
Return Value
The proxy of the allocated object.
Exceptions
- ObjectNotRegisteredException
- Raised if no objects with the given type can be allocated.
- AllocationException
- Raised if the object could not be allocated.
See Also
void releaseObject(::Ice::Identity id) throws ObjectNotRegisteredException, AllocationException
Release an object.
Parameters
- id
- The identity of the object to release.
Exceptions
- ObjectNotRegisteredException
- Raised if the object with the given identity is not registered with the registry.
- AllocationException
- Raised if the given object can't be released. This might happen if the object isn't allocatable or isn't allocated by the session.
See Also
void setAllocationTimeout(int timeout)
Set the allocation timeout. If no objects are available for an allocation request, the request will hang for the duration of this timeout.
Parameters
- timeout
- The timeout in milliseconds.
See Also
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