com.yahoo.elide.core

Class ResourceLineage

java.lang.Object

com.yahoo.elide.core.ResourceLineage

public class ResourceLineage
extends Object

Represents the path in an object relationship graph starting at an object accessible from the root of the URL path and ending (exclusive) at this object. These lineage paths are used for both security checks and audit logging.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ResourceLineage.LineagePath A node in the lineage that includes the resource and the link to the next node.

Constructor Summary

Constructors

Constructor and Description
ResourceLineage() Empty lineage for objects rooted in the URL.
ResourceLineage(ResourceLineage sharedLineage, PersistentResource next, String relationship) Extends a lineage with a new resource.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object input)
List<String>	getKeys() Gets keys.
PersistentResource	getParent() Returns the immediate parent resource if one exists.
List<PersistentResource>	getRecord(String name) Gets record.
List<ResourceLineage.LineagePath>	getResourcePath()
int	hashCode()

Methods inherited from class java.lang.Object

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

Constructor Detail

ResourceLineage

public ResourceLineage()

Empty lineage for objects rooted in the URL.

ResourceLineage

public ResourceLineage(ResourceLineage sharedLineage,
                       PersistentResource next,
                       String relationship)

Extends a lineage with a new resource.

Parameters:

sharedLineage - the shared lineage

next - the next

relationship - The relationship name that links the lineage with the next element.

Method Detail

getRecord

public List<PersistentResource> getRecord(String name)

Gets record.

Parameters:

name - the name

Returns:

the record

getParent

public PersistentResource getParent()

Returns the immediate parent resource if one exists.

Returns:

the parent or null if there is no parent.

getKeys

public List<String> getKeys()

Gets keys.

Returns:

the keys

getResourcePath

public List<ResourceLineage.LineagePath> getResourcePath()

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object input)

Overrides:

equals in class Object