com.ontimize.util.gis.client.defaultimplementations
Class DefaultGisCacheManager

java.lang.Object
  com.ontimize.util.gis.client.defaultimplementations.DefaultGisCacheManager

All Implemented Interfaces:

IGisCacheManager

public class DefaultGisCacheManager
extends java.lang.Object
implements IGisCacheManager

Cache manager default implementation

Field Summary

protected IGisClientManager	clientManager
protected java.util.Hashtable<java.lang.Object,ICacheElement>	dataLayers
protected java.util.Hashtable<java.lang.String,java.lang.Object>	initParams

Constructor Summary

DefaultGisCacheManager()

Method Summary

void	clearDataCache() Clears the cache
void	deleteData(java.lang.Object layerId, java.lang.Object deletedKeys, java.lang.Object appliedFilters) Delete the data identified by deletedKeys from the data provider dataProviderId
com.vividsolutions.jts.geom.Geometry	getIntersectedArea(java.lang.Object layerId, com.vividsolutions.jts.geom.Envelope interestBoundingBox) Gets the area resulting from the intersection of a bounding box with the cached area
protected java.util.Hashtable<java.lang.String,java.lang.Object>	getKeyFromValues(java.lang.Object layerId, java.lang.Object appliedFilters) Gets the internal cache manager identifier for the given layer identifier and applied filters
void	initCache(java.util.Hashtable<java.lang.String,java.lang.Object> parameters) Init the gis cache manager with the given parameters
java.lang.Object	insertData(java.lang.Object layerId, java.lang.Object insertedValues, java.lang.Object appliedFilters) Insert the given data insertedValues into the data provider indentified by dataProviderId
boolean	isDataInCache(java.lang.Object layerId, java.lang.Object appliedFilters) Check if the data according to the given filters is stored in cache
java.lang.Object	queryData(java.lang.Object layerId, java.lang.Object appliedFilters) Request the data related to the filters appliedFilters for the data provider dataProviderId
void	setGisClientManager(IGisClientManager clientManager) Set the gis client manager
void	updateData(java.lang.Object layerId, java.lang.Object updatedKeys, java.lang.Object newValues) Update the data identified by updatedKeys with the values newValues for the data provider dataProviderId

Methods inherited from class java.lang.Object

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

Field Detail

dataLayers

protected java.util.Hashtable<java.lang.Object,ICacheElement> dataLayers

clientManager

protected IGisClientManager clientManager

initParams

protected java.util.Hashtable<java.lang.String,java.lang.Object> initParams

Constructor Detail

DefaultGisCacheManager

public DefaultGisCacheManager()

Method Detail

clearDataCache

public void clearDataCache()

Description copied from interface: IGisCacheManager

Clears the cache

Specified by:

clearDataCache in interface IGisCacheManager

deleteData

public void deleteData(java.lang.Object layerId,
                       java.lang.Object deletedKeys,
                       java.lang.Object appliedFilters)
                throws java.lang.Exception

Description copied from interface: IGisCacheManager

Delete the data identified by deletedKeys from the data provider dataProviderId

Specified by:

deleteData in interface IGisCacheManager

Parameters:

layerId - Layer identifier

deletedKeys - Identifiers of the values to delete

appliedFilters - Previous query applied filters

Throws:

java.lang.Exception

insertData

public java.lang.Object insertData(java.lang.Object layerId,
                                   java.lang.Object insertedValues,
                                   java.lang.Object appliedFilters)
                            throws java.lang.Exception

Description copied from interface: IGisCacheManager

Insert the given data insertedValues into the data provider indentified by dataProviderId

Specified by:

insertData in interface IGisCacheManager

Parameters:

layerId - Layer identifier

insertedValues - New values to insert

appliedFilters - Previous query applied filters

Throws:

java.lang.Exception

queryData

public java.lang.Object queryData(java.lang.Object layerId,
                                  java.lang.Object appliedFilters)
                           throws java.lang.Exception

Description copied from interface: IGisCacheManager

Request the data related to the filters appliedFilters for the data provider dataProviderId

Specified by:

queryData in interface IGisCacheManager

Parameters:

layerId - Layer identifier

appliedFilters - Previous query applied filters

Returns:

requested layer data

Throws:

java.lang.Exception

updateData

public void updateData(java.lang.Object layerId,
                       java.lang.Object updatedKeys,
                       java.lang.Object newValues)
                throws java.lang.Exception

Description copied from interface: IGisCacheManager

Update the data identified by updatedKeys with the values newValues for the data provider dataProviderId

Specified by:

updateData in interface IGisCacheManager

Parameters:

layerId - Layer identifier

updatedKeys - Identifiers of the values to update

newValues - Values to update

Throws:

java.lang.Exception

initCache

public void initCache(java.util.Hashtable<java.lang.String,java.lang.Object> parameters)

Description copied from interface: IGisCacheManager

Init the gis cache manager with the given parameters

Specified by:

initCache in interface IGisCacheManager

Parameters:

parameters - Gis cache manager configuration parameters

isDataInCache

public boolean isDataInCache(java.lang.Object layerId,
                             java.lang.Object appliedFilters)

Description copied from interface: IGisCacheManager

Check if the data according to the given filters is stored in cache

Specified by:

isDataInCache in interface IGisCacheManager

Parameters:

layerId - Layer identifier

appliedFilters - Applied filters on data request

Returns:

Confirmation of data existence

getIntersectedArea

public com.vividsolutions.jts.geom.Geometry getIntersectedArea(java.lang.Object layerId,
                                                               com.vividsolutions.jts.geom.Envelope interestBoundingBox)

Description copied from interface: IGisCacheManager

Gets the area resulting from the intersection of a bounding box with the cached area

Specified by:

getIntersectedArea in interface IGisCacheManager

Parameters:

layerId - Layer identifier

interestBoundingBox - Area of interest

Returns:

Intersected area

getKeyFromValues

protected java.util.Hashtable<java.lang.String,java.lang.Object> getKeyFromValues(java.lang.Object layerId,
                                                                                  java.lang.Object appliedFilters)

Gets the internal cache manager identifier for the given layer identifier and applied filters

Parameters:

layerId - Layer identifier

appliedFilters - Current request applied filters

Returns:

key of the requested data layer

setGisClientManager

public void setGisClientManager(IGisClientManager clientManager)

Description copied from interface: IGisCacheManager

Set the gis client manager

Specified by:

setGisClientManager in interface IGisCacheManager

Parameters:

clientManager - Gis Client Manager