org.deegree_impl.model.feature
Class Feature_Impl

java.lang.Object
  org.deegree_impl.model.feature.Feature_Impl

All Implemented Interfaces:

Feature, java.io.Serializable

Direct Known Subclasses:

FeatureCollection_Impl, SI_LocationInstance_Impl

public class Feature_Impl

extends java.lang.Object

implements Feature, java.io.Serializable

Features are, according to the Abstract Specification, digital representations of real world entities. Feature Identity thus refers to mechanisms to identify such representations: not to identify the real world entities that are the subject of a representation. Thus two different representations of a real world entity (say the Mississippi River) will be two different features with distinct identities. Real world identification systems, such as title numbers, while possibly forming a sound basis for an implementation of a feature identity mechanism, are not of themselves such a mechanism.

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Version:

$Revision: 1.17 $ $Date: 2004/04/06 08:17:18 $

Author:

Andreas Poth, Markus Schneider

See Also:

Serialized Form

Field Summary

protected GM_Envelope	envelope
protected FeatureType	featureType
protected java.util.ArrayList	geoProps
protected java.lang.String	id
protected java.util.HashMap	properties
protected java.lang.Object[]	propRef

Constructor Summary

protected	Feature_Impl(java.lang.String id, FeatureType featureType, FeatureProperty[] properties) initializes a feature with its id its FeatureType and an array of properties.
(package private)	Feature_Impl(java.lang.String id, FeatureType featureType, java.lang.Object[] properties) initializes a feature with its id its FeatureType and an array of properties.

Method Summary

GM_Object	getDefaultGeometryProperty() Returns the default geometry of the Feature.
GM_Envelope	getEnvelope() returns the envelope / boundingbox of the feature
FeatureType	getFeatureType() returns the FeatureType of this Feature
GM_Object[]	getGeometryProperties() returns all geometry properties of the feature.
java.lang.String	getId() returns the id of the Feature. the id has to be a name space that must be unique for each feature. use the adress of the datasource in addition to a number for example .
java.lang.Object[]	getProperties() returns the properties of the feature as array of Objects
java.lang.Object	getProperty(int index) returns the property of the feature that matches the submitted index
java.lang.Object	getProperty(java.lang.String name) returns the property of the feature that matches the submitted name TODO --> throw ModelException
void	setProperty(FeatureProperty property) the value for the submitted property.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

id

protected java.lang.String id

featureType

protected FeatureType featureType

geoProps

protected java.util.ArrayList geoProps

properties

protected java.util.HashMap properties

propRef

protected java.lang.Object[] propRef

envelope

protected GM_Envelope envelope

Constructor Detail

Feature_Impl

Feature_Impl(java.lang.String id,
             FeatureType featureType,
             java.lang.Object[] properties)

initializes a feature with its id its FeatureType and an array of properties. It is assumed that the properties are in the same order then the property definition within the FeatureType.

Feature_Impl

protected Feature_Impl(java.lang.String id,
                       FeatureType featureType,
                       FeatureProperty[] properties)

initializes a feature with its id its FeatureType and an array of properties. It is assumed that the properties are in the same order then the property definition within the FeatureType.

Method Detail

getId

public java.lang.String getId()

returns the id of the Feature. the id has to be a name space that must be unique for each feature. use the adress of the datasource in addition to a number for example .

Specified by:

getId in interface Feature

getFeatureType

public FeatureType getFeatureType()

returns the FeatureType of this Feature

Specified by:

getFeatureType in interface Feature

getProperties

public java.lang.Object[] getProperties()

returns the properties of the feature as array of Objects

Specified by:

getProperties in interface Feature

getProperty

public java.lang.Object getProperty(java.lang.String name)

returns the property of the feature that matches the submitted name TODO --> throw ModelException

Specified by:

getProperty in interface Feature

getProperty

public java.lang.Object getProperty(int index)

returns the property of the feature that matches the submitted index

Specified by:

getProperty in interface Feature

getGeometryProperties

public GM_Object[] getGeometryProperties()

returns all geometry properties of the feature. If no geometry could be found an GM_Object[] with zero length will be returned.

Specified by:

getGeometryProperties in interface Feature

getDefaultGeometryProperty

public GM_Object getDefaultGeometryProperty()

Returns the default geometry of the Feature. If there are no geometry properties at all, or the default geometry is null (which is possible when using ESRI-Shapefiles), null is returned.

Specified by:

getDefaultGeometryProperty in interface Feature

Returns:

default geometry or null, if the Feature has none

setProperty

public void setProperty(FeatureProperty property)

the value for the submitted property. if no property with the submitted name exists the property will be added

Specified by:

setProperty in interface Feature

getEnvelope

public GM_Envelope getEnvelope()

returns the envelope / boundingbox of the feature

Specified by:

getEnvelope in interface Feature

Returns:

toString

public java.lang.String toString()