de.uni_hildesheim.sse.monitoring.runtime.utils

Class HashMap.Entry<K,V>

java.lang.Object

de.uni_hildesheim.sse.monitoring.runtime.utils.HashMap.Entry<K,V>

Type Parameters:

K - the key type

V - the value type

Enclosing class:

HashMap<K,V>

public static class HashMap.Entry<K,V>
extends java.lang.Object

Implements a bucket entry.

Since:

1.00

Version:

1.00

Author:

from SUN/ORACLE

Field Summary

Fields

Modifier and Type	Field and Description
private int	hash Stores the hash value.
private K	key Stores the key.
private HashMap.Entry<K,V>	next Stores the next entry.
private V	value Stores the value.

Constructor Summary

Constructors

Constructor and Description
Entry(int hash, K key, V value, HashMap.Entry<K,V> next) Creates new entry.

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object object) Checks for equality with object.
K	getKey() Returns the key.
V	getValue() Returns the value.
int	hashCode() Returns the hash code for this instance.
(package private) void	recordAccess(HashMap<K,V> map) This method is invoked whenever the value in an entry is overwritten by an invocation of put(k,v) for a key k that's already in the HashMap.
(package private) void	recordRemoval(HashMap<K,V> map) This method is invoked whenever the entry is removed from the table.
V	setValue(V newValue) Changes the value.
java.lang.String	toString() Returns a textual representation of this instance.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

key

private final K key

Stores the key.

value

private V value

Stores the value.

next

private HashMap.Entry<K,V> next

Stores the next entry.

hash

private final int hash

Stores the hash value.

Constructor Detail

Entry

Entry(int hash,
      K key,
      V value,
      HashMap.Entry<K,V> next)

Creates new entry.

Parameters:

hash - the hash value

key - the key

value - the value

next - the next entry

Method Detail

getKey

public final K getKey()

Returns the key.

Returns:

the key

Since:

1.00

getValue

public final V getValue()

Returns the value.

Returns:

the value

Since:

1.00

setValue

public final V setValue(V newValue)

Changes the value.

Parameters:

newValue - the new value

Returns:

the old value

Since:

1.00

equals

public final boolean equals(java.lang.Object object)

Checks for equality with object.

Overrides:

equals in class java.lang.Object

Parameters:

object - the object to check for

Returns:

true if object is equal to this, false else

hashCode

public final int hashCode()

Returns the hash code for this instance.

Overrides:

hashCode in class java.lang.Object

Returns:

the hash code

toString

public final java.lang.String toString()

Returns a textual representation of this instance.

Overrides:

toString in class java.lang.Object

Returns:

the textual representation

recordAccess

void recordAccess(HashMap<K,V> map)

This method is invoked whenever the value in an entry is overwritten by an invocation of put(k,v) for a key k that's already in the HashMap.

Parameters:

map - the hash map

recordRemoval

void recordRemoval(HashMap<K,V> map)

This method is invoked whenever the entry is removed from the table.

Parameters:

map - the hash map