Package org.geotools.api.filter.identity

Interface Identifier

Type Parameters:

T - The type of the identifier itself.

O - The type of objects to be identified.

All Known Subinterfaces:

FeatureId, GmlObjectId, ObjectId, RecordId, ResourceId

All Known Implementing Classes:

FeatureIdImpl, FeatureIdVersionedImpl, GmlObjectIdImpl, ResourceIdImpl

public interface Identifier

An object identifier.

This class is an abstract base for identifiers. Some known identifiers are:

• FeatureId
• GMLObjectId
• RecordId

Author:

Jody Garnett (Refractions Research), Justin Deoliveira (The Open Planning Project)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)	Identifier is a data object, equals is based just on getID()
Object	getID()	Returns the identifier itself.
int	hashCode()	Identifier is a data object, hashCode is based just on getID()
boolean	matches(Object object)	Determines if the id of an object matches the value of the identifier.
String	toString()	Returns a string representation of the identifier.

Method Detail

getID

Object getID()

Returns the identifier itself.

matches

boolean matches(Object object)

Determines if the id of an object matches the value of the identifier.

Parameters:

object - The object to perform the test against.

Returns:

true if a match, otherwise false.

equals

boolean equals(Object obj)

Identifier is a data object, equals is based just on getID()

Overrides:

equals in class Object

Returns:

true if obj is an Identifier with the same getID()

hashCode

int hashCode()

Identifier is a data object, hashCode is based just on getID()

Overrides:

hashCode in class Object

Returns:

hashCode based on getID()

toString

String toString()

Returns a string representation of the identifier.

Overrides:

toString in class Object

Returns:

getID().toString()