org.apache.jackrabbit.oak.plugins.observation.filter

Class RelativePathSelector

java.lang.Object

org.apache.jackrabbit.oak.plugins.observation.filter.RelativePathSelector

All Implemented Interfaces:

UniversalFilter.Selector

public class RelativePathSelector
extends java.lang.Object
implements UniversalFilter.Selector

A selector for selecting a node at a relative path from the node selected by an initial selector.

Note: selecting the parent of the root node will return a non existing NodeState instance.

Constructor Summary

Constructors

Constructor and Description
RelativePathSelector(java.lang.String path, UniversalFilter.Selector selector)

Method Summary

Modifier and Type	Method and Description
NodeState	select(UniversalFilter filter, PropertyState before, PropertyState after) Map a property event.
NodeState	select(UniversalFilter filter, java.lang.String name, NodeState before, NodeState after) Map a node event.

Methods inherited from class java.lang.Object

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

Constructor Detail

RelativePathSelector

public RelativePathSelector(java.lang.String path,
                            UniversalFilter.Selector selector)

Parameters:

path - path to select from

selector - selector to base path upon

Method Detail

select

public NodeState select(UniversalFilter filter,
                        PropertyState before,
                        PropertyState after)

Description copied from interface: UniversalFilter.Selector

Map a property event.

Specified by:

select in interface UniversalFilter.Selector

Parameters:

filter - filter instance on which respective call back occurred.

before - before state or null for EventFilter.includeAdd(PropertyState)

after - after state or null for EventFilter.includeDelete(PropertyState)

Returns:

a NodeState instance for basing the filtering criterion (predicate) upon

select

public NodeState select(UniversalFilter filter,
                        java.lang.String name,
                        NodeState before,
                        NodeState after)

Description copied from interface: UniversalFilter.Selector

Map a node event.

Specified by:

select in interface UniversalFilter.Selector

Parameters:

filter - filter instance on which respective call back occurred.

name - name of the child node state

before - before state or null for EventFilter.includeAdd(String, NodeState)

after - after state or null for EventFilter.includeDelete(String, NodeState)

Returns:

a NodeState instance for basing the filtering criterion (predicate) upon