Package mil.nga.geopackage.features.user

Class FeatureCacheTables

java.lang.Object

mil.nga.geopackage.features.user.FeatureCacheTables

public class FeatureCacheTables
extends Object

Feature Row Cache for multiple feature tables in a single GeoPackage

Since:

3.2.0

Author:

osbornb

Constructor Summary

Constructors

Constructor	Description
FeatureCacheTables()	Constructor, created with cache size of FeatureCache.DEFAULT_CACHE_MAX_SIZE
FeatureCacheTables(int maxCacheSize)	Constructor

Method Summary

Modifier and Type	Method	Description
void	clear()	Clear all caches
void	clear(String tableName)	Clear the feature table cache
void	clearAndResize(int maxCacheSize)	Clear and resize all caches and update the max cache size
void	clearAndResize(String tableName, int maxCacheSize)	Clear and resize the feature table cache
FeatureRow	get(String tableName, long featureId)	Get the cached feature row by table name and feature id
FeatureCache	getCache(String tableName)	Get or create a feature row cache for the table name
FeatureCache	getCache(FeatureRow featureRow)	Get or create a feature row cache for the feature row
int	getMaxCacheSize()	Get the max cache size used when creating new feature row caches
int	getMaxSize(String tableName)	Get the cache max size for the table name
int	getSize(String tableName)	Get the current cache size, number of feature rows cached, for the table name
Set<String>	getTables()	Get the feature table names with a feature row cache
FeatureRow	put(FeatureRow featureRow)	Cache the feature row
FeatureRow	remove(String tableName, long featureId)	Remove the cached feature row by id
FeatureRow	remove(FeatureRow featureRow)	Remove the cached feature row
void	resize(int maxCacheSize)	Resize all caches and update the max cache size
void	resize(String tableName, int maxCacheSize)	Resize the feature table cache
void	setMaxCacheSize(int maxCacheSize)	Set the max cache size to use when creating new feature row caches

Methods inherited from class java.lang.Object

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

Constructor Detail

FeatureCacheTables

public FeatureCacheTables()

Constructor, created with cache size of FeatureCache.DEFAULT_CACHE_MAX_SIZE

FeatureCacheTables

public FeatureCacheTables(int maxCacheSize)

Constructor

Parameters:

maxCacheSize - max feature rows to retain in each feature table cache

Method Detail

getMaxCacheSize

public int getMaxCacheSize()

Get the max cache size used when creating new feature row caches

Returns:

max cache size

setMaxCacheSize

public void setMaxCacheSize(int maxCacheSize)

Set the max cache size to use when creating new feature row caches

Parameters:

maxCacheSize - feature row max cache size

getTables

public Set<String> getTables()

Get the feature table names with a feature row cache

Returns:

feature table names

getCache

public FeatureCache getCache(String tableName)

Get or create a feature row cache for the table name

Parameters:

tableName - feature table name

Returns:

feature row cache

getCache

public FeatureCache getCache(FeatureRow featureRow)

Get or create a feature row cache for the feature row

Parameters:

featureRow - feature row

Returns:

feature row cache

getMaxSize

public int getMaxSize(String tableName)

Get the cache max size for the table name

Parameters:

tableName - feature table name

Returns:

max size

getSize

public int getSize(String tableName)

Get the current cache size, number of feature rows cached, for the table name

Parameters:

tableName - feature table name

Returns:

cache size

get

public FeatureRow get(String tableName,
                      long featureId)

Get the cached feature row by table name and feature id

Parameters:

tableName - feature table name

featureId - feature row id

Returns:

feature row or null

put

public FeatureRow put(FeatureRow featureRow)

Cache the feature row

Parameters:

featureRow - feature row

Returns:

previous cached feature row or null

remove

public FeatureRow remove(FeatureRow featureRow)

Remove the cached feature row

Parameters:

featureRow - feature row

Returns:

removed feature row or null

remove

public FeatureRow remove(String tableName,
                         long featureId)

Remove the cached feature row by id

Parameters:

tableName - feature table name

featureId - feature row id

Returns:

removed feature row or null

clear

public void clear(String tableName)

Clear the feature table cache

Parameters:

tableName - feature table name

clear

public void clear()

Clear all caches

resize

public void resize(String tableName,
                   int maxCacheSize)

Resize the feature table cache

Parameters:

tableName - feature table name

maxCacheSize - max cache size

resize

public void resize(int maxCacheSize)

Resize all caches and update the max cache size

Parameters:

maxCacheSize - max cache size

clearAndResize

public void clearAndResize(String tableName,
                           int maxCacheSize)

Clear and resize the feature table cache

Parameters:

tableName - feature table name

maxCacheSize - max cache size

clearAndResize

public void clearAndResize(int maxCacheSize)

Clear and resize all caches and update the max cache size

Parameters:

maxCacheSize - max cache size