jif.lang
Class JoinPolicy

java.lang.Object
  jif.lang.AbstractPolicy
      jif.lang.JoinPolicy

All Implemented Interfaces:

Policy

Direct Known Subclasses:

JoinConfPolicy, JoinIntegPolicy

public abstract class JoinPolicy
extends AbstractPolicy
implements Policy

Abstract class representing the join of policies. All the policies should be of the same kind, either all IntegPolicies or all ConfPolicies.

Field Summary

Fields inherited from class jif.lang.AbstractPolicy

labelUtil

Method Summary

boolean	equals(java.lang.Object o)
int	hashCode()
java.util.Set	joinComponents()
boolean	relabelsTo(Policy pol, java.util.Set s) Does this policy relabel to policy p? If this method returns true, then all delegations that this result depend upon (i.e., DelegationPairs) should be added to the set s.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

joinComponents

public java.util.Set joinComponents()

relabelsTo

public boolean relabelsTo(Policy pol,
                          java.util.Set s)

Description copied from interface: Policy

Does this policy relabel to policy p? If this method returns true, then all delegations that this result depend upon (i.e., DelegationPairs) should be added to the set s. If this method returns false, then the set is not altered at all.

Specified by:

relabelsTo in interface Policy

Returns:

equals

public boolean equals(java.lang.Object o)

Specified by:

equals in class AbstractPolicy

hashCode

public final int hashCode()

Specified by:

hashCode in class AbstractPolicy

toString

public final java.lang.String toString()

Overrides:

toString in class java.lang.Object