org.springframework.util

Class ConcurrentReferenceHashMap.Task<T>

java.lang.Object

org.springframework.util.ConcurrentReferenceHashMap.Task<T>

Enclosing class:

ConcurrentReferenceHashMap<K,V>

private abstract class ConcurrentReferenceHashMap.Task<T>
extends java.lang.Object

A task that can be run against a ConcurrentReferenceHashMap.Segment.

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.EnumSet<ConcurrentReferenceHashMap.TaskOption>	options

Constructor Summary

Constructors

Constructor and Description
Task(ConcurrentReferenceHashMap.TaskOption... options)

Method Summary

Modifier and Type	Method and Description
protected T	execute(ConcurrentReferenceHashMap.Reference<K,V> ref, ConcurrentReferenceHashMap.Entry<K,V> entry) Convenience method that can be used for tasks that do not need access to ConcurrentReferenceHashMap.Entries.
protected T	execute(ConcurrentReferenceHashMap.Reference<K,V> ref, ConcurrentReferenceHashMap.Entry<K,V> entry, ConcurrentReferenceHashMap.Entries entries) Execute the task.
boolean	hasOption(ConcurrentReferenceHashMap.TaskOption option)

Methods inherited from class java.lang.Object

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

Field Detail

options

private final java.util.EnumSet<ConcurrentReferenceHashMap.TaskOption> options

Constructor Detail

Task

public Task(ConcurrentReferenceHashMap.TaskOption... options)

Method Detail

hasOption

public boolean hasOption(ConcurrentReferenceHashMap.TaskOption option)

execute

@Nullable
protected T execute(@Nullable
                              ConcurrentReferenceHashMap.Reference<K,V> ref,
                              @Nullable
                              ConcurrentReferenceHashMap.Entry<K,V> entry,
                              @Nullable
                              ConcurrentReferenceHashMap.Entries entries)

Execute the task.

Parameters:

ref - the found reference (or null)

entry - the found entry (or null)

entries - access to the underlying entries

Returns:

the result of the task

See Also:

#execute(Reference, Entry)

execute

@Nullable
protected T execute(@Nullable
                              ConcurrentReferenceHashMap.Reference<K,V> ref,
                              @Nullable
                              ConcurrentReferenceHashMap.Entry<K,V> entry)

Convenience method that can be used for tasks that do not need access to ConcurrentReferenceHashMap.Entries.

Parameters:

ref - the found reference (or null)

entry - the found entry (or null)

Returns:

the result of the task

See Also:

#execute(Reference, Entry, Entries)