org.geotools.filter.identity

Class FeatureIdVersionedImpl

Object

FeatureIdImpl

FeatureIdVersionedImpl

All Implemented Interfaces:

FeatureId, Identifier

Direct Known Subclasses:

ResourceIdImpl

public class FeatureIdVersionedImpl
extends FeatureIdImpl

Implementation of FeatureId

This class is mutable under one condition only; during a commit a datastore can update the internal fid to reflect the real identify assigned by the database or wfs.

Since:

2.5

Author:

Justin Deoliveira, The Open Planning Project

Field Summary

Fields

Modifier and Type	Field and Description
protected String	featureVersion
protected String	previousRid

Fields inherited from class FeatureIdImpl

fid, origionalFid

Fields inherited from interface FeatureId

VERSION_SEPARATOR

Constructor Summary

Constructors

Constructor and Description
FeatureIdVersionedImpl(String fid, String version)
FeatureIdVersionedImpl(String fid, String version, String previousRid)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj) Identifier is a data object, equals is based just on getID()
boolean	equalsExact(FeatureId id) Check if the provided FeatureId is an exact match (including any optional version information).
boolean	equalsFID(FeatureId id) Checks if the provided FeatureId reflects the same feature.
String	getFeatureVersion() Version identifier for the feature instance, may be null
String	getPreviousRid() previousRid attribute may be used, in implementations that support versioning, to report the previous identifier of a resource.
String	getRid() id of the resource that shall be selected by the predicate.
int	hashCode() Identifier is a data object, hashCode is based just on getID()
String	toString() Returns a string representation of the identifier.

Methods inherited from class FeatureIdImpl

getID, matches, matches, setID

Methods inherited from class Object

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

Field Detail

featureVersion

protected String featureVersion

previousRid

protected String previousRid

Constructor Detail

FeatureIdVersionedImpl

public FeatureIdVersionedImpl(String fid,
                              String version)

FeatureIdVersionedImpl

public FeatureIdVersionedImpl(String fid,
                              String version,
                              String previousRid)

Method Detail

toString

public String toString()

Description copied from interface: Identifier

Returns a string representation of the identifier.

Specified by:

toString in interface Identifier

Overrides:

toString in class FeatureIdImpl

Returns:

getID().toString()

equals

public boolean equals(Object obj)

Description copied from interface: Identifier

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

Specified by:

equals in interface Identifier

Overrides:

equals in class FeatureIdImpl

Returns:

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

hashCode

public int hashCode()

Description copied from interface: Identifier

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

Specified by:

hashCode in interface Identifier

Overrides:

hashCode in class FeatureIdImpl

Returns:

hashCode based on getID()

equalsExact

public boolean equalsExact(FeatureId id)

Description copied from interface: FeatureId

Check if the provided FeatureId is an exact match (including any optional version information).

Specified by:

equalsExact in interface FeatureId

Overrides:

equalsExact in class FeatureIdImpl

Returns:

true if this is an exact match (including any optional version information)

equalsFID

public boolean equalsFID(FeatureId id)

Description copied from interface: FeatureId

Checks if the provided FeatureId reflects the same feature.

This comparison does not compare any optional version information.

Specified by:

equalsFID in interface FeatureId

Overrides:

equalsFID in class FeatureIdImpl

Returns:

true if both identifiers describe the same feature (does not compare version information).

getRid

public String getRid()

Description copied from interface: FeatureId

id of the resource that shall be selected by the predicate.

Equals to FeatureId.getID() if no feature version is provided, or getID() + "@" + getFeatureVersion() if getFeatureVersion() != null

If an implementation that references this International Standard supports versioning, the rid shall be a system generated hash containing a logical resource identifier and a version number. The specific details of the hash are implementation dependant and shall be opaque to a client

If versioning is not supported, the same value than FeatureId.getID() shall be returned.

Specified by:

getRid in interface FeatureId

Overrides:

getRid in class FeatureIdImpl

Returns:

Resource identifier made up of FID (combined with FeatureVersion if available)

getPreviousRid

public String getPreviousRid()

Description copied from interface: FeatureId

previousRid attribute may be used, in implementations that support versioning, to report the previous identifier of a resource.

Specified by:

getPreviousRid in interface FeatureId

Overrides:

getPreviousRid in class FeatureIdImpl

Returns:

Previous rid if available; or null

getFeatureVersion

public String getFeatureVersion()

Description copied from interface: FeatureId

Version identifier for the feature instance, may be null

Specified by:

getFeatureVersion in interface FeatureId

Overrides:

getFeatureVersion in class FeatureIdImpl

Returns:

Optional version information; null if not available

See Also:

FeatureId.getID(), FeatureId.getRid()