com.bigdata.jini.start.config
Class MaxDataServicesPerHostConstraint

java.lang.Object
  com.bigdata.jini.start.config.MaxServicesPerHostConstraint
      com.bigdata.jini.start.config.MaxDataServicesPerHostConstraint

All Implemented Interfaces:

IServiceConstraint, Serializable

public class MaxDataServicesPerHostConstraint
extends MaxServicesPerHostConstraint

Constraint on the #of IDataServices on the same host.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.bigdata.jini.start.config.MaxServicesPerHostConstraint

log, maxServices

Constructor Summary

MaxDataServicesPerHostConstraint(int maxServices)

Method Summary

boolean

allow(JiniFederation fed) Return true iff a service may be instantiated on this host.

Methods inherited from class com.bigdata.jini.start.config.MaxServicesPerHostConstraint

toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

MaxDataServicesPerHostConstraint

public MaxDataServicesPerHostConstraint(int maxServices)

Parameters:

className -

maxServices -

timeout -

Method Detail

allow

public boolean allow(JiniFederation fed)
              throws Exception

Description copied from interface: IServiceConstraint

Return true iff a service may be instantiated on this host.

Note: Constraints which can be evaluated without the federation reference MUST NOT throw an exception if that reference is null. This allows us to evaluate constraints for boostrap services as well as for ManagedServiceConfigurations

Parameters:

fed - The federation.

Throws:

Exception