org.hawkular.inventory.api.model

Class AbstractElement

java.lang.Object

org.hawkular.inventory.api.model.AbstractElement

Direct Known Subclasses:

Entity, Relationship

public abstract class AbstractElement
extends Object

A common super class of both entities and relationships.

Since:

0.0.1

Author:

Lukas Krejci

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AbstractElement.Blueprint

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<String,Object>	properties

Method Summary

Modifier and Type	Method and Description
abstract <R,P> R	accept(ElementVisitor<R,P> visitor, P parameter) Accepts the provided visitor.
boolean	equals(Object o)
String	getId()
CanonicalPath	getPath()
Map<String,Object>	getProperties()
int	hashCode()
static SegmentType	segmentTypeFromType(Class<?> cl) Returns the same result as SegmentType.fromElementType(Class) but provides a much better performance.
static Class<? extends AbstractElement>	toElementClass(SegmentType elementType) This should be used only in extreme cases where SegmentType is not possible.

Methods inherited from class java.lang.Object

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

Field Detail

properties

protected final Map<String,Object> properties

Method Detail

toElementClass

public static Class<? extends AbstractElement> toElementClass(SegmentType elementType)

This should be used only in extreme cases where SegmentType is not possible.

Parameters:

elementType - the type of the element

Returns:

the class representing the element type

segmentTypeFromType

public static SegmentType segmentTypeFromType(Class<?> cl)

Returns the same result as SegmentType.fromElementType(Class) but provides a much better performance.

Parameters:

cl - the type to to map to a SegmentType

Returns:

the SegmentType corresponding to the given cl

Throws:

IllegalStateException - if there is no SegmentType corresponding to the given cl

accept

public abstract <R,P> R accept(ElementVisitor<R,P> visitor,
                               P parameter)

Accepts the provided visitor.

Type Parameters:

R - the return type

P - the type of the parameter

Parameters:

visitor - the visitor to visit this entity

parameter - the parameter to pass on to the visitor

Returns:

the return value provided by the visitor

getPath

public CanonicalPath getPath()

Returns:

canonical path to the element

getId

public String getId()

Returns:

the id of the element.

getProperties

public Map<String,Object> getProperties()

Returns:

a map of arbitrary properties of this entity.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object