br.ufsc.das.policyenforcement
Class PolicyEnforcer

java.lang.Object
  br.ufsc.das.policyenforcement.PolicyEnforcer

public abstract class PolicyEnforcer
extends java.lang.Object

Base class for all tuple space policies.

Constructor Summary

PolicyEnforcer()

Method Summary

boolean	canExecuteCas(int invoker, DepTuple template, DepTuple tuple) Executed in CAS operations to define the access permission
boolean	canExecuteInp(int invoker, DepTuple template) Executed in remove operations (in or inp) to define the access permission
boolean	canExecuteOut(int invoker, DepTuple tuple) Executed in OUT operations to define the access permission
boolean	canExecuteRdp(int invoker, DepTuple template) Executed in read operations (rdp or rd) to define the access permission
java.util.List<DepTuple>	getTuples() Read all tuples from the local space
void	setLayer(PolicyEnforcementLayer layer) Sets the policy enforcer layer

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PolicyEnforcer

public PolicyEnforcer()

Method Detail

setLayer

public void setLayer(PolicyEnforcementLayer layer)

Sets the policy enforcer layer

getTuples

public java.util.List<DepTuple> getTuples()

Read all tuples from the local space

canExecuteOut

public boolean canExecuteOut(int invoker,
                             DepTuple tuple)

Executed in OUT operations to define the access permission

canExecuteRdp

public boolean canExecuteRdp(int invoker,
                             DepTuple template)

Executed in read operations (rdp or rd) to define the access permission

canExecuteInp

public boolean canExecuteInp(int invoker,
                             DepTuple template)

Executed in remove operations (in or inp) to define the access permission

canExecuteCas

public boolean canExecuteCas(int invoker,
                             DepTuple template,
                             DepTuple tuple)

Executed in CAS operations to define the access permission