etri.sdn.controller.module.devicemanager

Class IndexedEntity

java.lang.Object

etri.sdn.controller.module.devicemanager.IndexedEntity

public class IndexedEntity
extends java.lang.Object

This is a thin wrapper around Entity that allows overriding the behavior of Object.hashCode() and Object.equals(Object) so that the keying behavior in a hash map can be changed dynamically.

Author:

readams

Field Summary

Fields

Modifier and Type	Field and Description
protected Entity	entity
private int	hashCode
protected java.util.EnumSet<IDeviceService.DeviceField>	keyFields

Constructor Summary

Constructors

Constructor and Description
IndexedEntity(java.util.EnumSet<IDeviceService.DeviceField> keyFields, Entity entity) Creates a new IndexedEntity for the given Entity using the provided key fields.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj)
int	hashCode()
boolean	hasNonNullKeys() Checks whether this entity has non-null values in any of its key fields.

Methods inherited from class java.lang.Object

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

Field Detail

keyFields

protected java.util.EnumSet<IDeviceService.DeviceField> keyFields

entity

protected Entity entity

hashCode

private int hashCode

Constructor Detail

IndexedEntity

public IndexedEntity(java.util.EnumSet<IDeviceService.DeviceField> keyFields,
             Entity entity)

Creates a new IndexedEntity for the given Entity using the provided key fields.

Parameters:

keyFields - The key fields that will be used for computing hashCode() and equals(Object)

entity - the entity to wrap

Method Detail

hasNonNullKeys

public boolean hasNonNullKeys()

Checks whether this entity has non-null values in any of its key fields.

Returns:

true if any key fields have a non-null value

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object