mil.nga.geopackage.features.user

Class FeatureRowCache

java.lang.Object

mil.nga.geopackage.features.user.FeatureCache

public class FeatureRowCache
extends Object

Feature Row Cache for a single feature table

Since:

3.1.1

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_CACHE_SIZE Default max number of feature rows to retain in cache

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
void	clear() Clear the cache
FeatureRow	get(long featureId) Get the cached feature row by feature id
FeatureRow	put(FeatureRow featureRow) Cache the feature row
FeatureRow	remove(FeatureRow featureRow) Remove the cached feature row
FeatureRow	remove(long featureId) Remove the cached feature row by id
void	resize(int maxSize) Resize the cache

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_CACHE_SIZE

public static final int DEFAULT_CACHE_SIZE

Default max number of feature rows to retain in cache

See Also:

Constant Field Values

Constructor Detail

FeatureRowCache

public FeatureRowCache()

Constructor, created with cache size of DEFAULT_CACHE_SIZE

FeatureRowCache

public FeatureRowCache(int size)

Constructor

Parameters:

size - max feature rows to retain in the cache

Method Detail

get

public FeatureRow get(long featureId)

Get the cached feature row by feature id

Parameters:

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(long featureId)

Remove the cached feature row by id

Parameters:

featureId - feature row id

Returns:

removed feature row or null

clear

public void clear()

Clear the cache

resize

public void resize(int maxSize)

Resize the cache

Parameters:

maxSize - max size