GigaSpaces XAP 10.0.1 API

com.sun.jini.landlord
Interface LeasePeriodPolicy

All Known Implementing Classes:
FixedLeasePeriodPolicy, SystemTimeFixedLeasePeriodPolicy

public interface LeasePeriodPolicy

Interface for objects that define what policy to use when calculating lease grants and renewals.

Since:
2.0
Author:
Sun Microsystems, Inc.

Nested Class Summary
static class LeasePeriodPolicy.Result
          Simple class that holds a pair of times, the new expiration and duration for a lease.
 
Method Summary
 LeasePeriodPolicy.Result grant(LeasedResource resource, long requestedDuration)
          Calculate the initial expiration and duration for a new lease.
 LeasePeriodPolicy.Result renew(LeasedResource resource, long requestedDuration)
          Calculate the expiration and duration for an existing lease that is being renewed.
 

Method Detail

grant

LeasePeriodPolicy.Result grant(LeasedResource resource,
                               long requestedDuration)
                               throws LeaseDeniedException
Calculate the initial expiration and duration for a new lease.

Parameters:
resource - the server side representation of the new lease that needs an initial expiration and duration
requestedDuration - the initial duration the requester of the resources would like. May be Lease.ANY
Returns:
A Result that holds both the expiration and duration.
Throws:
LeaseDeniedException - if the grant request is denied.
IllegalArgumentException - if the requested duration is not Lease.ANY and is negative.

renew

LeasePeriodPolicy.Result renew(LeasedResource resource,
                               long requestedDuration)
                               throws LeaseDeniedException
Calculate the expiration and duration for an existing lease that is being renewed.

Parameters:
resource - the server side representation of the lease that is being renewed
requestedDuration - the duration the client is requesting. May be Lease.ANY.
Returns:
A Result that holds both the expiration and duration.
Throws:
LeaseDeniedException - if the renewal request is denied.
IllegalArgumentException - if the requested duration is not Lease.ANY and is negative.

GigaSpaces XAP 10.0.1 API

Copyright © GigaSpaces.