Package org.aspectj.org.eclipse.jdt.internal.compiler.util

Class HashtableOfObject

java.lang.Object

org.aspectj.org.eclipse.jdt.internal.compiler.util.HashtableOfObject

public final class HashtableOfObject
extends Object

Hashtable of {char[] --> Object }

Field Summary

Fields

Modifier and Type	Field	Description
int	elementSize
char[][]	keyTable
static final int	MAX_ARRAY_SIZE	Max array size accepted by JVM
Object[]	valueTable

Constructor Summary

Constructors

Constructor	Description
HashtableOfObject()
HashtableOfObject(int size)

Method Summary

Modifier and Type	Method	Description
static int	calculateNewSize(int currentSize)	Tries to double the number of given elements but returns MAX_ARRAY_SIZE - 2 in case new value would overflow
void	clear()
boolean	containsKey(char[] key)
Object	get(char[] key)
Object	put(char[] key, Object value)
void	putUnsafely(char[] key, Object value)	Put a value at the index of the given using the local hash code computation.
int	size()
int	storageSize()
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

MAX_ARRAY_SIZE

public static final int MAX_ARRAY_SIZE

Max array size accepted by JVM

See Also:

• Constant Field Values

keyTable

public char[][] keyTable

valueTable

public Object[] valueTable

elementSize

public int elementSize

Constructor Details

HashtableOfObject

public HashtableOfObject()

HashtableOfObject

public HashtableOfObject(int size)

Parameters:

size - preferred table size

Throws:

NegativeArraySizeException - if size is negative

OutOfMemoryError - if size exceeds MAX_ARRAY_SIZE

Method Details

clear

public void clear()

containsKey

public boolean containsKey(char[] key)

get

public Object get(char[] key)

put

public Object put(char[] key,
 Object value)

putUnsafely

public void putUnsafely(char[] key,
 Object value)

Put a value at the index of the given using the local hash code computation.

Note that this is an unsafe put as there's no prior verification whether the given key already exists in the table or not.

Parameters:

key - The key of the table entry

value - The value of the table entry

calculateNewSize

public static int calculateNewSize(int currentSize)

Tries to double the number of given elements but returns MAX_ARRAY_SIZE - 2 in case new value would overflow

Returns:

new map size that fits to JVM limits or throws an error

storageSize

public int storageSize()

size

public int size()

toString

public String toString()

Overrides:

toString in class Object