com.opensymphony.oscache.base.algorithm
Class AbstractConcurrentReadCache.Entry
java.lang.Object
com.opensymphony.oscache.base.algorithm.AbstractConcurrentReadCache.Entry
- All Implemented Interfaces:
- Map.Entry
- Enclosing class:
- AbstractConcurrentReadCache
- protected static class AbstractConcurrentReadCache.Entry
- extends Object
- implements Map.Entry
AbstractConcurrentReadCache collision list entry.
next
protected final AbstractConcurrentReadCache.Entry next
key
protected final Object key
hash
protected final int hash
value
protected volatile Object value
getKey
public Object getKey()
- Specified by:
getKey
in interface Map.Entry
setValue
public Object setValue(Object value)
- Set the value of this entry.
Note: In an entrySet or
entrySet.iterator), unless the set or iterator is used under
synchronization of the table as a whole (or you can otherwise
guarantee lack of concurrent modification), setValue
is not strictly guaranteed to actually replace the value field
obtained via the get operation of the underlying hash
table in multithreaded applications. If iterator-wide
synchronization is not used, and any other concurrent
put or remove operations occur, sometimes
even to other entries, then this change is not
guaranteed to be reflected in the hash table. (It might, or it
might not. There are no assurances either way.)
- Specified by:
setValue
in interface Map.Entry
- Parameters:
value
- the new value.
- Returns:
- the previous value, or null if entry has been detectably
removed.
- Throws:
NullPointerException
- if the value is null
.
getValue
public Object getValue()
- Get the value.
Note: In an entrySet or entrySet.iterator,
unless the set or iterator is used under synchronization of the
table as a whole (or you can otherwise guarantee lack of
concurrent modification), getValue might
return null, reflecting the fact that the entry has been
concurrently removed. However, there are no assurances that
concurrent removals will be reflected using this method.
- Specified by:
getValue
in interface Map.Entry
- Returns:
- the current value, or null if the entry has been
detectably removed.
equals
public boolean equals(Object o)
- Specified by:
equals
in interface Map.Entry
hashCode
public int hashCode()
- Specified by:
hashCode
in interface Map.Entry
toString
public String toString()
clone
protected Object clone()