com.ontimize.util.gis.extension.google
Class CacheElementGoogleTiles

java.lang.Object
  com.ontimize.util.gis.extension.google.CacheElementGoogleTiles

All Implemented Interfaces:

ICacheElement

public class CacheElementGoogleTiles
extends java.lang.Object
implements ICacheElement

Field Summary

protected static java.lang.String	BASE_FOLDER
(package private) java.awt.image.BufferedImage	buffImage
protected java.util.Map<java.lang.String,java.lang.Object>	cachedData
protected java.sql.Connection	conn
static java.lang.String	DATABASE_NAME
static java.lang.String	DATABASE_TYPE
protected java.io.File	directory
static java.lang.String	DIRECTORY_KEY
protected java.lang.String	directoryPath
protected static java.lang.String	FILE_LOCATION
protected java.lang.String	FOLDER
protected static java.lang.String	GEOMETRY
protected boolean	hsqlDB
protected int	insertsCounter
protected static java.lang.String[]	keys
protected boolean	localDiskCacheEnabled
protected int	maxCacheSize
protected static java.lang.String	RASTER
protected com.vividsolutions.jts.io.WKTReader	reader
protected java.lang.Object	sourceId
protected java.lang.StringBuilder	sqlBuilder
protected java.sql.Statement	st
protected static java.lang.String	THE_STRING
protected boolean	useByteArrays
protected com.vividsolutions.jts.io.WKTWriter	writer

Fields inherited from interface com.ontimize.util.gis.client.defaultimplementations.cache.ICacheElement

BYTE_ARRAYS, CACHE_ON_DISK, DEBUG_MESSAGES, FOLDER_NAME, IMAGE_FORMAT, MAX_CACHE_SIZE, MAX_EXPIRATION_PERIOD

Constructor Summary

CacheElementGoogleTiles()

Method Summary

protected boolean	checkRecordExistence(java.lang.String recordKey)
void	clearCache()
void	deleteData(java.lang.Object deletedKeys) Delete the data identified by deletedKeys from the cache
protected void	deleteDatabase()
void	deleteDataFromFilters(java.lang.Object appliedFilters) Delete the data related to the given filters
protected void	deleteFirstRecords(int totalRecordsToDelete)
com.vividsolutions.jts.geom.Geometry	getIntersectedArea(com.vividsolutions.jts.geom.Envelope interestBoundingBox) Gets the area resulting from the intersection of the total cache data area and the interest area.
protected int	getScaleIndex(java.lang.Object appliedFilters)
protected void	insertCacheRecord(java.util.Hashtable recordValues)
java.lang.Object	insertData(java.lang.Object insertedValues, java.lang.Object appliedFilters) Insert new data to the actual cache element
boolean	isAreaInCache(java.lang.Object appliedFilters) Check if the interest area has all its data stored in cache
protected void	loadRecordIntoCache(java.lang.String recordKey)
java.lang.Object	queryData(java.lang.Object appliedFilters) Request data that fits with the applied filters
void	setConfigurationParameters(java.lang.Object parameters) Set the initial configuration parameters.
void	setDataKeys(java.lang.String[] keys) Set the name of the actual data key columns
void	setId(java.lang.Object cacheId)
void	updateData(java.lang.Object updatedKeys, java.lang.Object newValues) Update the data identified by updatedKeys with the values newValues

Methods inherited from class java.lang.Object

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

Field Detail

THE_STRING

protected static final java.lang.String THE_STRING

See Also:

Constant Field Values

GEOMETRY

protected static final java.lang.String GEOMETRY

See Also:

Constant Field Values

FILE_LOCATION

protected static final java.lang.String FILE_LOCATION

See Also:

Constant Field Values

BASE_FOLDER

protected static final java.lang.String BASE_FOLDER

See Also:

Constant Field Values

DATABASE_TYPE

public static java.lang.String DATABASE_TYPE

RASTER

protected static final java.lang.String RASTER

See Also:

Constant Field Values

keys

protected static final java.lang.String[] keys

DIRECTORY_KEY

public static final java.lang.String DIRECTORY_KEY

See Also:

Constant Field Values

DATABASE_NAME

public static java.lang.String DATABASE_NAME

FOLDER

protected java.lang.String FOLDER

hsqlDB

protected boolean hsqlDB

useByteArrays

protected boolean useByteArrays

insertsCounter

protected int insertsCounter

localDiskCacheEnabled

protected boolean localDiskCacheEnabled

maxCacheSize

protected int maxCacheSize

conn

protected java.sql.Connection conn

st

protected java.sql.Statement st

buffImage

java.awt.image.BufferedImage buffImage

directory

protected java.io.File directory

sqlBuilder

protected final java.lang.StringBuilder sqlBuilder

writer

protected final com.vividsolutions.jts.io.WKTWriter writer

reader

protected final com.vividsolutions.jts.io.WKTReader reader

directoryPath

protected java.lang.String directoryPath

sourceId

protected java.lang.Object sourceId

cachedData

protected java.util.Map<java.lang.String,java.lang.Object> cachedData

Constructor Detail

CacheElementGoogleTiles

public CacheElementGoogleTiles()

Method Detail

deleteData

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

Description copied from interface: ICacheElement

Delete the data identified by deletedKeys from the cache

Specified by:

deleteData in interface ICacheElement

Parameters:

deletedKeys - Indentifiers of the data to delete

Throws:

java.lang.Exception

insertData

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

Description copied from interface: ICacheElement

Insert new data to the actual cache element

Specified by:

insertData in interface ICacheElement

Parameters:

insertedValues - Values to save in cache

appliedFilters - Filters applied in the request of the data to insert

Returns:

Inserted data with the local cache identifiers added

Throws:

java.lang.Exception

queryData

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

Description copied from interface: ICacheElement

Request data that fits with the applied filters

Specified by:

queryData in interface ICacheElement

Parameters:

appliedFilters - Filters applied on request

Returns:

Requested data

Throws:

java.lang.Exception

getScaleIndex

protected int getScaleIndex(java.lang.Object appliedFilters)
                     throws java.lang.Exception

Throws:

java.lang.Exception

updateData

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

Description copied from interface: ICacheElement

Update the data identified by updatedKeys with the values newValues

Specified by:

updateData in interface ICacheElement

Parameters:

updatedKeys - Indentifiers of the data to update

newValues - Updated values for the given identifiers

Throws:

java.lang.Exception

getIntersectedArea

public com.vividsolutions.jts.geom.Geometry getIntersectedArea(com.vividsolutions.jts.geom.Envelope interestBoundingBox)

Description copied from interface: ICacheElement

Gets the area resulting from the intersection of the total cache data area and the interest area.

If the interest area is totally on cache the resulting area will be an empty bounding box.

Specified by:

getIntersectedArea in interface ICacheElement

Parameters:

interestBoundingBox - Interest area bounding box

Returns:

Geometry obtained from the intersection

isAreaInCache

public boolean isAreaInCache(java.lang.Object appliedFilters)

Description copied from interface: ICacheElement

Check if the interest area has all its data stored in cache

Specified by:

isAreaInCache in interface ICacheElement

Parameters:

appliedFilters - Request filters

Returns:

If area is totally contained in cache -> true.

setId

public void setId(java.lang.Object cacheId)

Specified by:

setId in interface ICacheElement

setDataKeys

public void setDataKeys(java.lang.String[] keys)

Description copied from interface: ICacheElement

Set the name of the actual data key columns

Specified by:

setDataKeys in interface ICacheElement

Parameters:

keys - String array of the key columns identifiers

deleteDataFromFilters

public void deleteDataFromFilters(java.lang.Object appliedFilters)
                           throws java.lang.Exception

Description copied from interface: ICacheElement

Delete the data related to the given filters

Specified by:

deleteDataFromFilters in interface ICacheElement

Parameters:

appliedFilters - Filters applied on deletion

Throws:

java.lang.Exception

insertCacheRecord

protected void insertCacheRecord(java.util.Hashtable recordValues)

checkRecordExistence

protected boolean checkRecordExistence(java.lang.String recordKey)

loadRecordIntoCache

protected void loadRecordIntoCache(java.lang.String recordKey)

setConfigurationParameters

public void setConfigurationParameters(java.lang.Object parameters)

Description copied from interface: ICacheElement

Set the initial configuration parameters. Usually these will be a Hashtable with the
related data provider definition parameters

Specified by:

setConfigurationParameters in interface ICacheElement

Parameters:

parameters - Cache class configuration parameters

deleteFirstRecords

protected void deleteFirstRecords(int totalRecordsToDelete)

clearCache

public void clearCache()

Specified by:

clearCache in interface ICacheElement

deleteDatabase

protected void deleteDatabase()