org.apache.neethi

Class AbstractPolicyOperator

java.lang.Object

org.apache.neethi.AbstractPolicyOperator

All Implemented Interfaces:

PolicyComponent, PolicyOperator

Direct Known Subclasses:

All, ExactlyOne

public abstract class AbstractPolicyOperator
extends java.lang.Object
implements PolicyOperator

AbstractPolicyOperator provides an implementation of few functions of PolicyOperator interface that other PolicyOperators can use.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.List<PolicyComponent>	policyComponents

Constructor Summary

Constructors

Constructor and Description
AbstractPolicyOperator()
AbstractPolicyOperator(PolicyOperator parent)

Method Summary

Modifier and Type	Method and Description
void	addPolicyComponent(PolicyComponent component) Add a PolicyComponent to the PolicyOperator.
void	addPolicyComponents(java.util.List<? extends PolicyComponent> components)
private static PolicyComponent	computeResultantComponent(java.util.List<PolicyComponent> normalizedInnerComponets, short componentType)
boolean	equal(PolicyComponent policyComponent) Returns true if the argument is equal to self.
private static ExactlyOne	getCrossProduct(ExactlyOne exactlyOne1, ExactlyOne exactlyOne2)
PolicyComponent	getFirstPolicyComponent()
java.util.List<PolicyComponent>	getPolicyComponents() Returns a List of PolicyComponents which this PolicyOperator contains.
boolean	isEmpty() Returns true if the PolicyOperator doesn't contain any PolicyComponents.
protected static Policy	normalize(Policy policy, PolicyRegistry reg, boolean deep)
private static PolicyComponent	normalizeOperator(Policy policy, PolicyOperator operator, PolicyRegistry reg, boolean deep)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.neethi.PolicyComponent

getType, serialize

Field Detail

policyComponents

protected java.util.List<PolicyComponent> policyComponents

Constructor Detail

AbstractPolicyOperator

public AbstractPolicyOperator()

AbstractPolicyOperator

public AbstractPolicyOperator(PolicyOperator parent)

Method Detail

addPolicyComponent

public void addPolicyComponent(PolicyComponent component)

Description copied from interface: PolicyOperator

Add a PolicyComponent to the PolicyOperator.

Specified by:

addPolicyComponent in interface PolicyOperator

addPolicyComponents

public void addPolicyComponents(java.util.List<? extends PolicyComponent> components)

getPolicyComponents

public java.util.List<PolicyComponent> getPolicyComponents()

Description copied from interface: PolicyOperator

Returns a List of PolicyComponents which this PolicyOperator contains.

Specified by:

getPolicyComponents in interface PolicyOperator

Returns:

the List of PolicyComponents that this PolicyOperator contains.

getFirstPolicyComponent

public PolicyComponent getFirstPolicyComponent()

isEmpty

public boolean isEmpty()

Description copied from interface: PolicyOperator

Returns true if the PolicyOperator doesn't contain any PolicyComponents.

Specified by:

isEmpty in interface PolicyOperator

Returns:

true if this PolicyOperator doesn't contain any PolicyComponenets

equal

public boolean equal(PolicyComponent policyComponent)

Description copied from interface: PolicyComponent

Returns true if the argument is equal to self.

Specified by:

equal in interface PolicyComponent

Parameters:

policyComponent - the PolicyComponent to check whether self is logically equal or not

Returns:

true if the argument is equal to self.

normalize

protected static Policy normalize(Policy policy,
                                  PolicyRegistry reg,
                                  boolean deep)

normalizeOperator

private static PolicyComponent normalizeOperator(Policy policy,
                                                 PolicyOperator operator,
                                                 PolicyRegistry reg,
                                                 boolean deep)

computeResultantComponent

private static PolicyComponent computeResultantComponent(java.util.List<PolicyComponent> normalizedInnerComponets,
                                                         short componentType)

getCrossProduct

private static ExactlyOne getCrossProduct(ExactlyOne exactlyOne1,
                                          ExactlyOne exactlyOne2)