mil.nga.geopackage.features.user

Class FeatureRowCacheManager

java.lang.Object

mil.nga.geopackage.features.user.FeatureCacheTables

public class FeatureRowCacheManager
extends Object

Manages a cache of feature rows per feature table

Since:

3.1.1

Constructor Summary

Constructors

Constructor and Description
FeatureRowCacheManager() Constructor, created with cache size of FeatureRowCache.DEFAULT_CACHE_SIZE
FeatureRowCacheManager(int cacheSize) Constructor

Method Summary

Modifier and Type	Method and Description
void	clear() Clear all caches
void	clear(String tableName) Clear the feature table cache
FeatureRow	get(String tableName, long featureId) Get the cached feature row by table name and feature id
FeatureRowCache	getCache(FeatureRow featureRow) Get or create a feature row cache for the feature row
FeatureRowCache	getCache(String tableName) Get or create a feature row cache for the table name
int	getCacheSize() Get the cache size used when creating new feature row caches
FeatureRow	put(FeatureRow featureRow) Cache the feature row
FeatureRow	remove(FeatureRow featureRow) Remove the cached feature row
FeatureRow	remove(String tableName, long featureId) Remove the cached feature row by id
void	resize(int maxSize) Resize all caches and update the cache size
void	resize(String tableName, int maxSize) Resize the feature table cache
void	setCacheSize(int cacheSize) Set the 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

FeatureRowCacheManager

public FeatureRowCacheManager()

Constructor, created with cache size of FeatureRowCache.DEFAULT_CACHE_SIZE

FeatureRowCacheManager

public FeatureRowCacheManager(int cacheSize)

Constructor

Parameters:

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

Method Detail

getCacheSize

public int getCacheSize()

Get the cache size used when creating new feature row caches

Returns:

cache size

setCacheSize

public void setCacheSize(int cacheSize)

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

Parameters:

cacheSize - feature row cache size

getCache

public FeatureRowCache 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 FeatureRowCache getCache(FeatureRow featureRow)

Get or create a feature row cache for the feature row

Parameters:

featureRow - feature row

Returns:

feature row cache

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 maxSize)

Resize the feature table cache

Parameters:

tableName - feature table name

maxSize - max size

resize

public void resize(int maxSize)

Resize all caches and update the cache size

Parameters:

maxSize - max size