org.deegree.feature.persistence.cache
Class BBoxPropertiesCache

java.lang.Object
  org.deegree.feature.persistence.cache.BBoxPropertiesCache

All Implemented Interfaces:

BBoxCache

public class BBoxPropertiesCache
extends Object
implements BBoxCache

BBoxCache based on a Java properties file.

Version:

$Revision$

Author:

Markus Schneider, last edited by: $Author: mschneider $

See Also:

BBoxCache

Constructor Summary

BBoxPropertiesCache(File propsFile)
Creates a new BBoxPropertiesCache instance.

Method Summary

boolean	contains(QName ftName) Returns true, if the the specified feature type is known to the cache.
Envelope	get(QName ftName) Returns the cached envelope for features of the specified type.
void	persist() Ensures that the cache is persisted.
void	set(QName ftName, Envelope bbox) Updates the envelope for the specified type.

Methods inherited from class java.lang.Object

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

Constructor Detail

BBoxPropertiesCache

public BBoxPropertiesCache(File propsFile)
                    throws IOException

Creates a new BBoxPropertiesCache instance.

Parameters:

propsFile - properties file, must not be null

Throws:

IOException

Method Detail

get

public Envelope get(QName ftName)

Description copied from interface: BBoxCache

Returns the cached envelope for features of the specified type.

Specified by:

get in interface BBoxCache

Parameters:

ftName - name of the feature type, must not be null

Returns:

the envelope (using the storage CRS), or null, if the feature type does not have an envelope (no geometry properties or no instances)

contains

public boolean contains(QName ftName)

Description copied from interface: BBoxCache

Returns true, if the the specified feature type is known to the cache.

Specified by:

contains in interface BBoxCache

Parameters:

ftName - name of the feature type, must not be null

Returns:

true, if the feature type is known, false otherwise

set

public void set(QName ftName,
                Envelope bbox)

Description copied from interface: BBoxCache

Updates the envelope for the specified type.

Specified by:

set in interface BBoxCache

Parameters:

ftName - name of the feature type, must not be null

bbox - new envelope (using the storage CRS), or null, if the feature type does not have an envelope (no geometry properties or no instances)

persist

public void persist()
             throws IOException

Description copied from interface: BBoxCache

Ensures that the cache is persisted.

Specified by:

persist in interface BBoxCache

Throws:

IOException