jif.lang

Class ReaderPolicy

java.lang.Object

jif.lang.AbstractPolicy

jif.lang.ReaderPolicy

All Implemented Interfaces:

ConfPolicy, Policy

public class ReaderPolicy
extends AbstractPolicy
implements ConfPolicy

Field Summary

Fields inherited from class jif.lang.AbstractPolicy

labelUtil

Constructor Summary

Constructors

Constructor and Description
ReaderPolicy(LabelUtil labelUtil, Principal owner, Principal reader)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
int	hashCode()
ConfPolicy	join(ConfPolicy p)
ConfPolicy	join(ConfPolicy p, boolean simplify)
ConfPolicy	join(ConfPolicy p, java.util.Set<jif.lang.PrincipalUtil.DelegationPair> s) Return the join of this policy and p.
ConfPolicy	join(ConfPolicy p, java.util.Set<jif.lang.PrincipalUtil.DelegationPair> s, boolean simplify)
ConfPolicy	meet(ConfPolicy p)
ConfPolicy	meet(ConfPolicy p, boolean simplify)
ConfPolicy	meet(ConfPolicy p, java.util.Set<jif.lang.PrincipalUtil.DelegationPair> s)
ConfPolicy	meet(ConfPolicy p, java.util.Set<jif.lang.PrincipalUtil.DelegationPair> s, boolean simplify)
Principal	owner()
Principal	reader()
boolean	relabelsTo(Policy p, java.util.Set<jif.lang.PrincipalUtil.DelegationPair> 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

Constructor Detail

ReaderPolicy

public ReaderPolicy(LabelUtil labelUtil,
                    Principal owner,
                    Principal reader)

Method Detail

owner

public Principal owner()

reader

public Principal reader()

relabelsTo

public boolean relabelsTo(Policy p,
                          java.util.Set<jif.lang.PrincipalUtil.DelegationPair> 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:

hashCode

public int hashCode()

Specified by:

hashCode in class AbstractPolicy

equals

public boolean equals(java.lang.Object o)

Specified by:

equals in class AbstractPolicy

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

join

public ConfPolicy join(ConfPolicy p,
                       java.util.Set<jif.lang.PrincipalUtil.DelegationPair> s)

Description copied from interface: ConfPolicy

Return the join of this policy and p. The set s contains all delegations (i.e., DelegationPairs) that this join result depends upon.

Specified by:

join in interface ConfPolicy

meet

public ConfPolicy meet(ConfPolicy p,
                       java.util.Set<jif.lang.PrincipalUtil.DelegationPair> s)

Specified by:

meet in interface ConfPolicy

join

public ConfPolicy join(ConfPolicy p)

Specified by:

join in interface ConfPolicy

meet

public ConfPolicy meet(ConfPolicy p)

Specified by:

meet in interface ConfPolicy

join

public ConfPolicy join(ConfPolicy p,
                       boolean simplify)

Specified by:

join in interface ConfPolicy

meet

public ConfPolicy meet(ConfPolicy p,
                       boolean simplify)

Specified by:

meet in interface ConfPolicy

join

public ConfPolicy join(ConfPolicy p,
                       java.util.Set<jif.lang.PrincipalUtil.DelegationPair> s,
                       boolean simplify)

Specified by:

join in interface ConfPolicy

meet

public ConfPolicy meet(ConfPolicy p,
                       java.util.Set<jif.lang.PrincipalUtil.DelegationPair> s,
                       boolean simplify)

Specified by:

meet in interface ConfPolicy