de.uni_hildesheim.sse.monitoring.runtime.utils

Class CleaningLongHashMap.MapElement<V>

java.lang.Object

de.uni_hildesheim.sse.monitoring.runtime.utils.AbstractLongHashMap.MapElement

de.uni_hildesheim.sse.monitoring.runtime.utils.LongHashMap.MapElement<V>

de.uni_hildesheim.sse.monitoring.runtime.utils.CleaningLongHashMap.MapElement<V>

Type Parameters:

V - the element type

Enclosing class:

CleaningLongHashMap<T>

public static class CleaningLongHashMap.MapElement<V>
extends LongHashMap.MapElement<V>

Refines the map element by a counter for duplicate entries.

Since:

1.00

Version:

1.00

Author:

Holger Eichelberger

Field Summary

Fields

Modifier and Type	Field and Description
private int	count Stores the counter.

Constructor Summary

Constructors

Constructor and Description
MapElement(long key, V value) Constructor of a map element.

Method Summary

Modifier and Type	Method and Description
protected java.lang.Object	atInsert(java.lang.Object value) Called at insertion of this map element when an element of the same key was inserted before.
protected boolean	beforeRemove() Perform a check before finally removing this element.
int	getCount() Returns how often the key was inserted.

Methods inherited from class de.uni_hildesheim.sse.monitoring.runtime.utils.LongHashMap.MapElement

getValue, setValue

Methods inherited from class de.uni_hildesheim.sse.monitoring.runtime.utils.AbstractLongHashMap.MapElement

getKey, getNext, setNext

Methods inherited from class java.lang.Object

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

Field Detail

count

private int count

Stores the counter. Values more than 1 indicate duplicates.

Constructor Detail

MapElement

MapElement(long key,
           V value)

Constructor of a map element.

Parameters:

key - the hash key of the element

value - the value to be stored

Method Detail

getCount

public int getCount()

Returns how often the key was inserted.

Returns:

the number of insertions

Since:

1.00

beforeRemove

protected boolean beforeRemove()

Perform a check before finally removing this element. [extension point]

Overrides:

beforeRemove in class LongHashMap.MapElement<V>

Returns:

true if it really should be removed, false if removal should not be carried out

Since:

1.00

atInsert

protected java.lang.Object atInsert(java.lang.Object value)

Called at insertion of this map element when an element of the same key was inserted before. Here the counter is incremented and a warning is emitted in case that the previous value is not the same as the inserted value. [extension point]

Overrides:

atInsert in class LongHashMap.MapElement<V>

Parameters:

value - the new value

Returns:

the old value

Since:

1.00