Package mil.nga.geopackage.features

Class FeatureCoreGenerator

java.lang.Object

mil.nga.geopackage.features.FeatureCoreGenerator

Direct Known Subclasses:

OAPIFeatureCoreGenerator

public abstract class FeatureCoreGenerator
extends Object

Feature Generator

Author:

osbornb

Field Summary

Fields

Modifier and Type	Field	Description
protected BoundingBox	boundingBox	Features bounding box
protected Projection	boundingBoxProjection	Bounding Box projection
protected Map<String,FeatureColumn>	columns	Table columns
protected static Projection	EPSG_WGS84	EPSG WGS84
protected GeometryColumns	geometryColumns	Table Geometry Columns
protected GeoPackageCore	geoPackage	GeoPackage
protected GeoPackageProgress	progress	GeoPackage progress
protected Projection	projection	Features projection
protected SpatialReferenceSystem	srs	Spatial Reference System
protected String	tableName	Table Name
protected int	transactionLimit	Number of rows to save in a single transaction

Constructor Summary

Constructors

Constructor	Description
FeatureCoreGenerator(GeoPackageCore geoPackage, String tableName)	Constructor

Method Summary

Modifier and Type	Method	Description
protected abstract void	addColumn(FeatureColumn featureColumn)	Add a new column
protected void	addProjection(Projections projections, String authority, String code)	Add a projection
protected FeatureColumn	createColumn(String name, Object value)	Create a feature column
protected void	createFeature(Geometry geometry, Map<String,Object> properties)	Create the feature
protected GeoPackageGeometryData	createGeometryData(Geometry geometry)	Create the geometry data
protected Projection	createProjection(String authority, String code)	Create a projection
void	createSrs()	Create the Spatial Reference System
protected void	createTable(Map<String,Object> properties)	Create the feature table
abstract int	generateFeatures()	Generate the features
BoundingBox	getBoundingBox()	Get bounding box
Projection	getBoundingBoxProjection()	Get the bounding box projection
protected FeatureColumn	getColumn(String column, Object value)	Get the column, create if needed
Map<String,FeatureColumn>	getColumns()	Get the columns
GeometryColumns	getGeometryColumns()	Get the geometry columns
GeoPackageCore	getGeoPackage()	Get the GeoPackage
GeoPackageProgress	getProgress()	Get the progress
Projection	getProjection()	Get the projection
SpatialReferenceSystem	getSrs()	Get the Spatial Reference System
protected Projection	getSrsProjection()	Get the projection for creating the Spatial Reference System
String	getTableName()	Get the table name
int	getTransactionLimit()	Get the single transaction limit
static GeoPackageDataType	getType(Object value)	Get the type for the object value
static Object	getValue(Object value, GeoPackageDataType type)	Get the value for the object value with the data type
protected Object	getValue(String column, Object value)	Get the column value
protected void	initializeTable()	Initialize after the feature table is created
boolean	isActive()	Determine if the feature generator should remain active
protected abstract void	saveFeature(Geometry geometry, Map<String,Object> values)	Save the feature
void	setBoundingBox(BoundingBox boundingBox)	Set the bounding box
void	setBoundingBoxProjection(Projection boundingBoxProjection)	Set the bounding box projection
void	setProgress(GeoPackageProgress progress)	Set the progress
void	setProjection(Projection projection)	Set the projection
void	setTransactionLimit(int transactionLimit)	Set the single transaction limit

Methods inherited from class java.lang.Object

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

Field Detail

EPSG_WGS84

protected static final Projection EPSG_WGS84

EPSG WGS84

geoPackage

protected final GeoPackageCore geoPackage

GeoPackage

tableName

protected final String tableName

Table Name

boundingBox

protected BoundingBox boundingBox

Features bounding box

boundingBoxProjection

protected Projection boundingBoxProjection

Bounding Box projection

projection

protected Projection projection

Features projection

transactionLimit

protected int transactionLimit

Number of rows to save in a single transaction

progress

protected GeoPackageProgress progress

GeoPackage progress

geometryColumns

protected GeometryColumns geometryColumns

Table Geometry Columns

columns

protected Map<String,FeatureColumn> columns

Table columns

srs

protected SpatialReferenceSystem srs

Spatial Reference System

Constructor Detail

FeatureCoreGenerator

public FeatureCoreGenerator(GeoPackageCore geoPackage,
                            String tableName)

Constructor

Parameters:

geoPackage - GeoPackage

tableName - table name

Method Detail

getGeoPackage

public GeoPackageCore getGeoPackage()

Get the GeoPackage

Returns:

GeoPackage

getTableName

public String getTableName()

Get the table name

Returns:

table name

getBoundingBox

public BoundingBox getBoundingBox()

Get bounding box

Returns:

bounding box

setBoundingBox

public void setBoundingBox(BoundingBox boundingBox)

Set the bounding box

Parameters:

boundingBox - bounding box

getBoundingBoxProjection

public Projection getBoundingBoxProjection()

Get the bounding box projection

Returns:

bounding box projection

setBoundingBoxProjection

public void setBoundingBoxProjection(Projection boundingBoxProjection)

Set the bounding box projection

Parameters:

boundingBoxProjection - bounding box projection

getProjection

public Projection getProjection()

Get the projection

Returns:

projection

setProjection

public void setProjection(Projection projection)

Set the projection

Parameters:

projection - projection

getTransactionLimit

public int getTransactionLimit()

Get the single transaction limit

Returns:

transaction limit

setTransactionLimit

public void setTransactionLimit(int transactionLimit)

Set the single transaction limit

Parameters:

transactionLimit - transaction limit

getProgress

public GeoPackageProgress getProgress()

Get the progress

Returns:

progress

setProgress

public void setProgress(GeoPackageProgress progress)

Set the progress

Parameters:

progress - progress

isActive

public boolean isActive()

Determine if the feature generator should remain active

Returns:

true if active

getGeometryColumns

public GeometryColumns getGeometryColumns()

Get the geometry columns

Returns:

geometry columns

getColumns

public Map<String,FeatureColumn> getColumns()

Get the columns

Returns:

columns

getSrs

public SpatialReferenceSystem getSrs()

Get the Spatial Reference System

Returns:

srs

generateFeatures

public abstract int generateFeatures()
                              throws SQLException

Generate the features

Returns:

generated count

Throws:

SQLException - upon error

addColumn

protected abstract void addColumn(FeatureColumn featureColumn)

Add a new column

Parameters:

featureColumn - feature column

initializeTable

protected void initializeTable()

Initialize after the feature table is created

saveFeature

protected abstract void saveFeature(Geometry geometry,
                                    Map<String,Object> values)

Save the feature

Parameters:

geometry - geometry

values - column to value mapping

createFeature

protected void createFeature(Geometry geometry,
                             Map<String,Object> properties)
                      throws SQLException

Create the feature

Parameters:

geometry - geometry

properties - properties

Throws:

SQLException - upon error

createSrs

public void createSrs()
               throws SQLException

Create the Spatial Reference System

Throws:

SQLException - upon error

getSrsProjection

protected Projection getSrsProjection()

Get the projection for creating the Spatial Reference System

Returns:

projection

createTable

protected void createTable(Map<String,Object> properties)
                    throws SQLException

Create the feature table

Parameters:

properties - properties

Throws:

SQLException - upon error

getValue

protected Object getValue(String column,
                          Object value)

Get the column value

Parameters:

column - column name

value - value

Returns:

column value

getColumn

protected FeatureColumn getColumn(String column,
                                  Object value)

Get the column, create if needed

Parameters:

column - column name

value - value

Returns:

feature column

createColumn

protected FeatureColumn createColumn(String name,
                                     Object value)

Create a feature column

Parameters:

name - column name

value - value

Returns:

feature column

createGeometryData

protected GeoPackageGeometryData createGeometryData(Geometry geometry)

Create the geometry data

Parameters:

geometry - geometry

Returns:

geometry data

getType

public static GeoPackageDataType getType(Object value)

Get the type for the object value

Parameters:

value - value

Returns:

data type

getValue

public static Object getValue(Object value,
                              GeoPackageDataType type)

Get the value for the object value with the data type

Parameters:

value - value

type - data type

Returns:

default value

addProjection

protected void addProjection(Projections projections,
                             String authority,
                             String code)

Add a projection

Parameters:

projections - projections

authority - authority

code - code

createProjection

protected Projection createProjection(String authority,
                                      String code)

Create a projection

Parameters:

authority - authority

code - code

Returns:

projection