Package org.ow2.authzforce.core.pdp.impl.policy

Class PolicyVersions<P>

java.lang.Object

org.ow2.authzforce.core.pdp.impl.policy.PolicyVersions<P>

Type Parameters:

P - policy type (or any other type of data corresponding to a specific policy version)

All Implemented Interfaces:

Iterable<Map.Entry<org.ow2.authzforce.core.pdp.api.policy.PolicyVersion,P>>

public final class PolicyVersions<P>
extends Object
implements Iterable<Map.Entry<org.ow2.authzforce.core.pdp.api.policy.PolicyVersion,P>>

Policy versions sorted from the latest version to the oldest.

The choice to have the latest version in first position is motivated by §5.10 of XACML core spec: "In the case that more than one matching version can be obtained, then the most recent one SHOULD be used."

Version:

$Id: $

Constructor Summary

Constructors

Constructor	Description
PolicyVersions(Map<org.ow2.authzforce.core.pdp.api.policy.PolicyVersion,P> versions)	Creates instance

Method Summary

Modifier and Type	Method	Description
P	get(org.ow2.authzforce.core.pdp.api.policy.PolicyVersion version)	Get policy in a specific version
Map.Entry<org.ow2.authzforce.core.pdp.api.policy.PolicyVersion,P>	getLatest(Optional<org.ow2.authzforce.core.pdp.api.policy.PolicyVersionPatterns> PolicyVersionPatterns)	Get the latest policy version matching specific version patterns
Iterator<Map.Entry<org.ow2.authzforce.core.pdp.api.policy.PolicyVersion,P>>	iterator()
NavigableSet<org.ow2.authzforce.core.pdp.api.policy.PolicyVersion>	latestToOldestSet()	Get versions from latest to oldest
com.google.common.collect.UnmodifiableIterator<Map.Entry<org.ow2.authzforce.core.pdp.api.policy.PolicyVersion,P>>	oldestToLatestIterator()	Get iterator over versions from oldest to latest
int	size()	Get number of versions

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

PolicyVersions

public PolicyVersions(Map<org.ow2.authzforce.core.pdp.api.policy.PolicyVersion,P> versions)

Creates instance

Parameters:

versions - policy versions

Method Detail

get

public P get(org.ow2.authzforce.core.pdp.api.policy.PolicyVersion version)

Get policy in a specific version

Parameters:

version - policy version

Returns:

policy

getLatest

public Map.Entry<org.ow2.authzforce.core.pdp.api.policy.PolicyVersion,P> getLatest(Optional<org.ow2.authzforce.core.pdp.api.policy.PolicyVersionPatterns> PolicyVersionPatterns)

Get the latest policy version matching specific version patterns

Parameters:

PolicyVersionPatterns - version patterns

Returns:

latest version; null if none matched

iterator

public Iterator<Map.Entry<org.ow2.authzforce.core.pdp.api.policy.PolicyVersion,P>> iterator()

Specified by:

iterator in interface Iterable<P>

size

public int size()

Get number of versions

Returns:

number of policy versions

oldestToLatestIterator

public com.google.common.collect.UnmodifiableIterator<Map.Entry<org.ow2.authzforce.core.pdp.api.policy.PolicyVersion,P>> oldestToLatestIterator()

Get iterator over versions from oldest to latest

Returns:

unmodifiable iterator over versions from oldest to latest

latestToOldestSet

public NavigableSet<org.ow2.authzforce.core.pdp.api.policy.PolicyVersion> latestToOldestSet()

Get versions from latest to oldest

Returns:

versions from latest to oldest