Package com.stardog.stark.util

Class ValueWeigher<K>

java.lang.Object

com.stardog.stark.util.ValueWeigher<K>

All Implemented Interfaces:

com.github.benmanes.caffeine.cache.Weigher<K,Value>

public final class ValueWeigher<K>
extends Object
implements com.github.benmanes.caffeine.cache.Weigher<K,Value>

Implementation of the Guava cache Weigher interface which will calculate the weight for a Value based on how much space is takes in memory.

Since:

5.1.1

Version:

5.1.1

Author:

Evren Sirin

Field Summary

Fields

Modifier and Type	Field	Description
static final int	ARRAY_OVERHEAD
static final int	BNODE_OVERHEAD
static final int	CAFFEINE_CACHE_ENTRY_OVERHEAD
static final int	CAL_LITERAL_OVERHEAD
final int	constantOverhead
static final int	ENUM_OVERHEAD
static final int	GUAVA_CACHE_ENTRY_OVERHEAD
static final int	IRI_OVERHEAD
static final int	LANG_LITERAL_OVERHEAD
static final int	LITERAL_OVERHEAD
static final int	OBJECT_OVERHEAD
static final int	REF_OVERHEAD
static final int	STRING_OVERHEAD
static final int	TYPED_LITERAL_OVERHEAD

Constructor Summary

Constructors

Constructor	Description
ValueWeigher(int keyOverhead)

Method Summary

Modifier and Type	Method	Description
int	weigh(K key, Value value)
static int	weightOf(Value value)

Methods inherited from class java.lang.Object

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

Field Details

OBJECT_OVERHEAD

public static final int OBJECT_OVERHEAD

See Also:

• Constant Field Values

ENUM_OVERHEAD

public static final int ENUM_OVERHEAD

See Also:

• Constant Field Values

REF_OVERHEAD

public static final int REF_OVERHEAD

See Also:

• Constant Field Values

ARRAY_OVERHEAD

public static final int ARRAY_OVERHEAD

See Also:

• Constant Field Values

STRING_OVERHEAD

public static final int STRING_OVERHEAD

See Also:

• Constant Field Values

LITERAL_OVERHEAD

public static final int LITERAL_OVERHEAD

See Also:

• Constant Field Values

TYPED_LITERAL_OVERHEAD

public static final int TYPED_LITERAL_OVERHEAD

See Also:

• Constant Field Values

LANG_LITERAL_OVERHEAD

public static final int LANG_LITERAL_OVERHEAD

See Also:

• Constant Field Values

CAL_LITERAL_OVERHEAD

public static final int CAL_LITERAL_OVERHEAD

See Also:

• Constant Field Values

BNODE_OVERHEAD

public static final int BNODE_OVERHEAD

See Also:

• Constant Field Values

IRI_OVERHEAD

public static final int IRI_OVERHEAD

See Also:

• Constant Field Values

CAFFEINE_CACHE_ENTRY_OVERHEAD

public static final int CAFFEINE_CACHE_ENTRY_OVERHEAD

See Also:

• Constant Field Values

GUAVA_CACHE_ENTRY_OVERHEAD

public static final int GUAVA_CACHE_ENTRY_OVERHEAD

See Also:

• Constant Field Values

constantOverhead

public final int constantOverhead

Constructor Details

ValueWeigher

public ValueWeigher(int keyOverhead)

Method Details

weigh

public int weigh(@Nonnull
 K key,
 @Nonnull
 Value value)

Specified by:

weigh in interface com.github.benmanes.caffeine.cache.Weigher<K,Value>

weightOf

public static int weightOf(Value value)