Java Doc for ThreadedPostgreSQLEpsgFactory.java in  » GIS » GeoTools-2.4.1 » org » geotools » referencing » factory » epsg » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » GeoTools 2.4.1 » org.geotools.referencing.factory.epsg 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.geotools.referencing.factory.epsg.ThreadedEpsgFactory
   org.geotools.referencing.factory.epsg.ThreadedPostgreSQLEpsgFactory

ThreadedPostgreSQLEpsgFactory
public class ThreadedPostgreSQLEpsgFactory extends ThreadedEpsgFactory (Code)
Connection to the EPSG database in PostgreSQL database engine using JDBC. The EPSG database can be downloaded from http://www.epsg.org. It should have been imported into a PostgreSQL database, which doesn't need to be on the local machine.

Connection parameters

The preferred way to specify connection parameters is through the JNDI interface. However, this datasource provides the following alternative as a convenience: if a file is found in current directory or in the user's home directory, then the following properties are fetch. Note that the default value may change in a future version if a public server become available.

Property Type Description Geotools Default
serverName String PostgreSQL database server host name localhost
databaseName String PostgreSQL database name EPSG
schema String The schema for the EPSG tables
portNumber int TCP port which the PostgreSQL database server is listening on 5432
user String User used to make database connections GeoTools
password String Password used to make database connections GeoTools

The database version is given in the of the . The postgreSQL database should be read only.

Just having this class accessible in the classpath, together with the registration in the META-INF/services/ directory, is suffisient to get a working EPSG authority factory backed by this database. Vendors can create a copy of this class, modify it and bundle it with their own distribution if they want to connect their users to an other database.
since:
   2.4
version:
   $Id: ThreadedPostgreSQLEpsgFactory.java 27848 2007-11-12 13:10:32Z desruisseaux $
author:
   Didier Richard
author:
   Martin Desruisseaux



Field Summary
final public static  StringCONFIGURATION_FILE
     The user configuration file.

Constructor Summary
public  ThreadedPostgreSQLEpsgFactory()
     Creates a new instance of this factory.
public  ThreadedPostgreSQLEpsgFactory(Hints hints)
     Creates a new instance of this factory with the specified hints.

Method Summary
protected  AbstractAuthorityFactorycreateBackingStore(Hints hints)
     Returns the backing-store factory for PostgreSQL syntax.
Parameters:
  hints - A map of hints, including the low-level factories to use for CRS creation.
protected  DataSourcecreateDataSource()
     Returns a data source for the PostgreSQL database.

Field Detail
CONFIGURATION_FILE
final public static String CONFIGURATION_FILE(Code)
The user configuration file. This class search first for the first file found in the following directories:
  • The current directory
  • The user's home directory




Constructor Detail
ThreadedPostgreSQLEpsgFactory
public ThreadedPostgreSQLEpsgFactory()(Code)
Creates a new instance of this factory.



ThreadedPostgreSQLEpsgFactory
public ThreadedPostgreSQLEpsgFactory(Hints hints)(Code)
Creates a new instance of this factory with the specified hints. The priority is set to a lower value than the 's one in order to give the priority to any "official" database installed locally by the user, when available.




Method Detail
createBackingStore
protected AbstractAuthorityFactory createBackingStore(Hints hints) throws SQLException(Code)
Returns the backing-store factory for PostgreSQL syntax.
Parameters:
  hints - A map of hints, including the low-level factories to use for CRS creation. The EPSG factory using PostgreSQL syntax.
throws:
  SQLException - if connection to the database failed.



createDataSource
protected DataSource createDataSource() throws SQLException(Code)
Returns a data source for the PostgreSQL database.



Fields inherited from org.geotools.referencing.factory.epsg.ThreadedEpsgFactory
final public static String DATASOURCE_NAME(Code)(Java Doc)
final static int PRIORITY(Code)(Java Doc)

Methods inherited from org.geotools.referencing.factory.epsg.ThreadedEpsgFactory
protected boolean canDisposeBackingStore(AbstractAuthorityFactory backingStore)(Code)(Java Doc)
protected AbstractAuthorityFactory createBackingStore(Hints hints) throws SQLException(Code)(Java Doc)
protected AbstractAuthorityFactory createBackingStore() throws FactoryException(Code)(Java Doc)
protected DataSource createDataSource() throws SQLException(Code)(Java Doc)
public Citation getAuthority()(Code)(Java Doc)
final public synchronized DataSource getDataSource() throws SQLException(Code)(Java Doc)
public static void main(String[] args)(Code)(Java Doc)
public synchronized void onDeregistration(ServiceRegistry registry, Class category)(Code)(Java Doc)
public synchronized void onRegistration(ServiceRegistry registry, Class category)(Code)(Java Doc)
public synchronized void setDataSource(DataSource datasource) throws SQLException(Code)(Java Doc)

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