Serialized Form

Package java.util.concurrent

Class java.util.concurrent.ArrayBlockingQueue

class ArrayBlockingQueue extends AbstractQueue<E> implements Serializable

serialVersionUID:

-817911632652898426L

Serialization Methods

readObject

private void readObject(ObjectInputStream s)
                 throws IOException,
ClassNotFoundException

Reconstitutes this queue from a stream (that is, deserializes it).

Parameters:

s - the stream

Throws:

ClassNotFoundException - if the class of a serialized object could not be found

InvalidObjectException - if invariants are violated

IOException - if an I/O error occurs

Serialized Fields

count

int count

Number of elements in the queue

items

Object[] items

The queued items

lock

ReentrantLock lock

Main lock guarding all access

notEmpty

Condition notEmpty

Condition for waiting takes

notFull

Condition notFull

Condition for waiting puts

putIndex

int putIndex

items index for next put, offer, or add

takeIndex

int takeIndex

items index for next take, poll, peek or remove

Exception Class java.util.concurrent.BrokenBarrierException

class BrokenBarrierException extends Exception implements Serializable

serialVersionUID:

7117394618823254244L

Exception Class java.util.concurrent.CancellationException

class CancellationException extends IllegalStateException implements Serializable

serialVersionUID:

-9202173006928992231L

Exception Class java.util.concurrent.CompletionException

class CompletionException extends RuntimeException implements Serializable

serialVersionUID:

7830266012832686185L

Class java.util.concurrent.ConcurrentHashMap

class ConcurrentHashMap extends AbstractMap<K,V> implements Serializable

serialVersionUID:

7249069246763182397L

Serialization Methods

readObject

private void readObject(ObjectInputStream s)
                 throws IOException,
ClassNotFoundException

Reconstitutes this map from a stream (that is, deserializes it).

Parameters:

s - the stream

Throws:

ClassNotFoundException - if the class of a serialized object could not be found

IOException - if an I/O error occurs

writeObject

private void writeObject(ObjectOutputStream s)
                  throws IOException

Saves this map to a stream (that is, serializes it).

Serial Data:

the serialized fields, followed by the key (Object) and value (Object) for each key-value mapping, followed by a null pair. The key-value mappings are emitted in no particular order.

Parameters:

s - the stream

Throws:

IOException - if an I/O error occurs

Serialization Overview

Serialized pseudo-fields, provided only for jdk7 compatibility.

Serialized Fields

segmentMask

int segmentMask

Mask value for indexing into segments. The upper bits of a key's hash code are used to choose the segment.

segmentShift

int segmentShift

Shift value for indexing within segments.

segments

java.util.concurrent.ConcurrentHashMap.Segment[] segments

The segments, each of which is a specialized hash table.

Class java.util.concurrent.ConcurrentHashMap.KeySetView

class KeySetView extends java.util.concurrent.ConcurrentHashMap.CollectionView<K,V,K> implements Serializable

serialVersionUID:

7249069246763182397L

Serialized Fields

value

V value

Class java.util.concurrent.ConcurrentLinkedDeque

class ConcurrentLinkedDeque extends AbstractCollection<E> implements Serializable

serialVersionUID:

876323262645176354L

Serialization Methods

readObject

private void readObject(ObjectInputStream s)
                 throws IOException,
ClassNotFoundException

Reconstitutes this deque from a stream (that is, deserializes it).

Parameters:

s - the stream

Throws:

ClassNotFoundException - if the class of a serialized object could not be found

IOException - if an I/O error occurs

writeObject

private void writeObject(ObjectOutputStream s)
                  throws IOException

Saves this deque to a stream (that is, serializes it).

Serial Data:

All of the elements (each an E) in the proper order, followed by a null

Parameters:

s - the stream

Throws:

IOException - if an I/O error occurs

Class java.util.concurrent.ConcurrentLinkedQueue

class ConcurrentLinkedQueue extends AbstractQueue<E> implements Serializable

serialVersionUID:

196745693267521676L

Serialization Methods

readObject

private void readObject(ObjectInputStream s)
                 throws IOException,
ClassNotFoundException

Reconstitutes this queue from a stream (that is, deserializes it).

Parameters:

s - the stream

Throws:

ClassNotFoundException - if the class of a serialized object could not be found

IOException - if an I/O error occurs

writeObject

private void writeObject(ObjectOutputStream s)
                  throws IOException

Saves this queue to a stream (that is, serializes it).

Serial Data:

All of the elements (each an E) in the proper order, followed by a null

Parameters:

s - the stream

Throws:

IOException - if an I/O error occurs

Class java.util.concurrent.ConcurrentSkipListMap

class ConcurrentSkipListMap extends AbstractMap<K,V> implements Serializable

serialVersionUID:

-8627078645895051609L

Serialization Methods

readObject

private void readObject(ObjectInputStream s)
                 throws IOException,
ClassNotFoundException

Reconstitutes this map from a stream (that is, deserializes it).

Parameters:

s - the stream

Throws:

ClassNotFoundException - if the class of a serialized object could not be found

IOException - if an I/O error occurs

writeObject

private void writeObject(ObjectOutputStream s)
                  throws IOException

Saves this map to a stream (that is, serializes it).

Serial Data:

The key (Object) and value (Object) for each key-value mapping represented by the map, followed by null. The key-value mappings are emitted in key-order (as determined by the Comparator, or by the keys' natural ordering if no Comparator).

Parameters:

s - the stream

Throws:

IOException - if an I/O error occurs

Serialized Fields

comparator

Comparator<? super K> comparator

The comparator used to maintain order in this map, or null if using natural ordering. (Non-private to simplify access in nested classes.)

Class java.util.concurrent.ConcurrentSkipListMap.SubMap

class SubMap extends AbstractMap<K,V> implements Serializable

serialVersionUID:

-7647078645895051609L

Serialized Fields

hi

K hi

upper bound key, or null if to end

hiInclusive

boolean hiInclusive

inclusion flag for hi

isDescending

boolean isDescending

direction

lo

K lo

lower bound key, or null if from start

loInclusive

boolean loInclusive

inclusion flag for lo

m

ConcurrentSkipListMap<K,V> m

Underlying map

Class java.util.concurrent.ConcurrentSkipListSet

class ConcurrentSkipListSet extends AbstractSet<E> implements Serializable

serialVersionUID:

-2479143111061671589L

Serialized Fields

m

ConcurrentNavigableMap<E,Object> m

The underlying map. Uses Boolean.TRUE as value for each element. This field is declared final for the sake of thread safety, which entails some ugliness in clone().

Class java.util.concurrent.CopyOnWriteArrayList

class CopyOnWriteArrayList extends Object implements Serializable

serialVersionUID:

8673264195747942595L

Serialization Methods

readObject

private void readObject(ObjectInputStream s)
                 throws IOException,
ClassNotFoundException

Reconstitutes this list from a stream (that is, deserializes it).

Parameters:

s - the stream

Throws:

ClassNotFoundException - if the class of a serialized object could not be found

IOException - if an I/O error occurs

writeObject

private void writeObject(ObjectOutputStream s)
                  throws IOException

Saves this list to a stream (that is, serializes it).

Serial Data:

The length of the array backing the list is emitted (int), followed by all of its elements (each an Object) in the proper order.

Parameters:

s - the stream

Throws:

IOException - if an I/O error occurs

Class java.util.concurrent.CopyOnWriteArraySet

class CopyOnWriteArraySet extends AbstractSet<E> implements Serializable

serialVersionUID:

5457747651344034263L

Serialized Fields

al

CopyOnWriteArrayList<E> al

Class java.util.concurrent.CountedCompleter

class CountedCompleter extends ForkJoinTask<T> implements Serializable

serialVersionUID:

5232453752276485070L

Serialized Fields

completer

CountedCompleter<?> completer

This task's completer, or null if none

pending

int pending

The number of pending tasks until completion

Exception Class java.util.concurrent.ExecutionException

class ExecutionException extends Exception implements Serializable

serialVersionUID:

7830266012832686185L

Class java.util.concurrent.ForkJoinTask

class ForkJoinTask extends Object implements Serializable

serialVersionUID:

-7721805057305804111L

Serialization Methods

readObject

private void readObject(ObjectInputStream s)
                 throws IOException,
ClassNotFoundException

Reconstitutes this task from a stream (that is, deserializes it).

Parameters:

s - the stream

Throws:

ClassNotFoundException - if the class of a serialized object could not be found

IOException - if an I/O error occurs

writeObject

private void writeObject(ObjectOutputStream s)
                  throws IOException

Saves this task to a stream (that is, serializes it).

Serial Data:

the current run status and the exception thrown during execution, or null if none

Parameters:

s - the stream

Throws:

IOException - if an I/O error occurs

Serialized Fields

status

int status

Class java.util.concurrent.LinkedBlockingDeque

class LinkedBlockingDeque extends AbstractQueue<E> implements Serializable

serialVersionUID:

-387911632671998426L

Serialization Methods

readObject

private void readObject(ObjectInputStream s)
                 throws IOException,
ClassNotFoundException

Reconstitutes this deque from a stream (that is, deserializes it).

Parameters:

s - the stream

Throws:

ClassNotFoundException - if the class of a serialized object could not be found

IOException - if an I/O error occurs

writeObject

private void writeObject(ObjectOutputStream s)
                  throws IOException

Saves this deque to a stream (that is, serializes it).

Serial Data:

The capacity (int), followed by elements (each an Object) in the proper order, followed by a null

Parameters:

s - the stream

Throws:

IOException - if an I/O error occurs

Serialized Fields

capacity

int capacity

Maximum number of items in the deque

lock

ReentrantLock lock

Main lock guarding all access

notEmpty

Condition notEmpty

Condition for waiting takes

notFull

Condition notFull

Condition for waiting puts

Class java.util.concurrent.LinkedBlockingQueue

class LinkedBlockingQueue extends AbstractQueue<E> implements Serializable

serialVersionUID:

-6903933977591709194L

Serialization Methods

readObject

private void readObject(ObjectInputStream s)
                 throws IOException,
ClassNotFoundException

Reconstitutes this queue from a stream (that is, deserializes it).

Parameters:

s - the stream

Throws:

ClassNotFoundException - if the class of a serialized object could not be found

IOException - if an I/O error occurs

writeObject

private void writeObject(ObjectOutputStream s)
                  throws IOException

Saves this queue to a stream (that is, serializes it).

Serial Data:

The capacity is emitted (int), followed by all of its elements (each an Object) in the proper order, followed by a null

Parameters:

s - the stream

Throws:

IOException - if an I/O error occurs

Serialized Fields

capacity

int capacity

The capacity bound, or Integer.MAX_VALUE if none

count

AtomicInteger count

Current number of elements

notEmpty

Condition notEmpty

Wait queue for waiting takes

notFull

Condition notFull

Wait queue for waiting puts

putLock

ReentrantLock putLock

Lock held by put, offer, etc

takeLock

ReentrantLock takeLock

Lock held by take, poll, etc

Class java.util.concurrent.LinkedTransferQueue

class LinkedTransferQueue extends AbstractQueue<E> implements Serializable

serialVersionUID:

-3223113410248163686L

Serialization Methods

readObject

private void readObject(ObjectInputStream s)
                 throws IOException,
ClassNotFoundException

Reconstitutes this queue from a stream (that is, deserializes it).

Parameters:

s - the stream

Throws:

ClassNotFoundException - if the class of a serialized object could not be found

IOException - if an I/O error occurs

writeObject

private void writeObject(ObjectOutputStream s)
                  throws IOException

Saves this queue to a stream (that is, serializes it).

Serial Data:

All of the elements (each an E) in the proper order, followed by a null

Parameters:

s - the stream

Throws:

IOException - if an I/O error occurs

Class java.util.concurrent.PriorityBlockingQueue

class PriorityBlockingQueue extends AbstractQueue<E> implements Serializable

serialVersionUID:

5595510919245408276L

Serialization Methods

readObject

private void readObject(ObjectInputStream s)
                 throws IOException,
ClassNotFoundException

Reconstitutes this queue from a stream (that is, deserializes it).

Parameters:

s - the stream

Throws:

ClassNotFoundException - if the class of a serialized object could not be found

IOException - if an I/O error occurs

writeObject

private void writeObject(ObjectOutputStream s)
                  throws IOException

Saves this queue to a stream (that is, serializes it). For compatibility with previous version of this class, elements are first copied to a java.util.PriorityQueue, which is then serialized.

Parameters:

s - the stream

Throws:

IOException - if an I/O error occurs

Serialized Fields

lock

ReentrantLock lock

Lock used for all public operations.

notEmpty

Condition notEmpty

Condition for blocking when empty.

q

PriorityQueue<E> q

A plain PriorityQueue used only for serialization, to maintain compatibility with previous versions of this class. Non-null only during serialization/deserialization.

Class java.util.concurrent.RecursiveAction

class RecursiveAction extends ForkJoinTask<Void> implements Serializable

serialVersionUID:

5232453952276485070L

Class java.util.concurrent.RecursiveTask

class RecursiveTask extends ForkJoinTask<V> implements Serializable

serialVersionUID:

5232453952276485270L

Serialized Fields

result

V result

The result of the computation.

Exception Class java.util.concurrent.RejectedExecutionException

class RejectedExecutionException extends RuntimeException implements Serializable

serialVersionUID:

-375805702767069545L

Class java.util.concurrent.Semaphore

class Semaphore extends Object implements Serializable

serialVersionUID:

-3222578661600680210L

Serialized Fields

sync

java.util.concurrent.Semaphore.Sync sync

All mechanics via AbstractQueuedSynchronizer subclass

Class java.util.concurrent.SynchronousQueue

class SynchronousQueue extends AbstractQueue<E> implements Serializable

serialVersionUID:

-3223113410248163686L

Serialization Methods

readObject

private void readObject(ObjectInputStream s)
                 throws IOException,
ClassNotFoundException

Reconstitutes this queue from a stream (that is, deserializes it).

Parameters:

s - the stream

Throws:

ClassNotFoundException - if the class of a serialized object could not be found

IOException - if an I/O error occurs

writeObject

private void writeObject(ObjectOutputStream s)
                  throws IOException

Saves this queue to a stream (that is, serializes it).

Parameters:

s - the stream

Throws:

IOException - if an I/O error occurs

Serialized Fields

qlock

ReentrantLock qlock

waitingConsumers

java.util.concurrent.SynchronousQueue.WaitQueue waitingConsumers

waitingProducers

java.util.concurrent.SynchronousQueue.WaitQueue waitingProducers

Class java.util.concurrent.ThreadLocalRandom

class ThreadLocalRandom extends Random implements Serializable

serialVersionUID:

-5851777807851030925L

Serialization Methods

readResolve

private Object readResolve()

Returns the current thread's ThreadLocalRandom.

writeObject

private void writeObject(ObjectOutputStream s)
                  throws IOException

Saves the ThreadLocalRandom to a stream (that is, serializes it).

Parameters:

s - the stream

Throws:

IOException - if an I/O error occurs

Serialized Fields

initialized

boolean initialized

always true

rnd

long rnd

seed for random computations

Exception Class java.util.concurrent.TimeoutException

class TimeoutException extends Exception implements Serializable

serialVersionUID:

1900926677490660714L

Package java.util.concurrent.atomic

Class java.util.concurrent.atomic.AtomicBoolean

class AtomicBoolean extends Object implements Serializable

serialVersionUID:

4654671469794556979L

Serialized Fields

value

int value

Class java.util.concurrent.atomic.AtomicInteger

class AtomicInteger extends Number implements Serializable

serialVersionUID:

6214790243416807050L

Serialized Fields

value

int value

Class java.util.concurrent.atomic.AtomicIntegerArray

class AtomicIntegerArray extends Object implements Serializable

serialVersionUID:

2862133569453604235L

Serialized Fields

array

int[] array

Class java.util.concurrent.atomic.AtomicLong

class AtomicLong extends Number implements Serializable

serialVersionUID:

1927816293512124184L

Serialized Fields

value

long value

Class java.util.concurrent.atomic.AtomicLongArray

class AtomicLongArray extends Object implements Serializable

serialVersionUID:

-2308431214976778248L

Serialized Fields

array

long[] array

Class java.util.concurrent.atomic.AtomicReference

class AtomicReference extends Object implements Serializable

serialVersionUID:

-1848883965231344442L

Serialized Fields

value

V value

Class java.util.concurrent.atomic.AtomicReferenceArray

class AtomicReferenceArray extends Object implements Serializable

serialVersionUID:

-6209656149925076980L

Serialization Methods

readObject

private void readObject(ObjectInputStream s)
                 throws IOException,
ClassNotFoundException

Reconstitutes the instance from a stream (that is, deserializes it).

Parameters:

s - the stream

Throws:

ClassNotFoundException - if the class of a serialized object could not be found

IOException - if an I/O error occurs

Serialized Fields

array

Object[] array

Class java.util.concurrent.atomic.DoubleAccumulator

class DoubleAccumulator extends java.util.concurrent.atomic.Striped64 implements Serializable

serialVersionUID:

7249069246863182397L

Serialization Methods

readObject

private void readObject(ObjectInputStream s)
                 throws InvalidObjectException

Parameters:

s - the stream

Throws:

InvalidObjectException - always

writeReplace

private Object writeReplace()

Returns a SerializationProxy representing the state of this instance.

Serialized Fields

function

DoubleBinaryOperator function

identity

long identity

Class java.util.concurrent.atomic.DoubleAccumulator.SerializationProxy

class SerializationProxy extends Object implements Serializable

serialVersionUID:

7249069246863182397L

Serialization Methods

readResolve

private Object readResolve()

Returns a DoubleAccumulator object with initial state held by this proxy.

Serialized Fields

function

DoubleBinaryOperator function

The function used for updates.

identity

long identity

The identity value, represented as a long, as converted by Double.doubleToRawLongBits(double). The original identity can be recovered using Double.longBitsToDouble(long).

value

double value

The current value returned by get().

Class java.util.concurrent.atomic.DoubleAdder

class DoubleAdder extends java.util.concurrent.atomic.Striped64 implements Serializable

serialVersionUID:

7249069246863182397L

Serialization Methods

readObject

private void readObject(ObjectInputStream s)
                 throws InvalidObjectException

Parameters:

s - the stream

Throws:

InvalidObjectException - always

writeReplace

private Object writeReplace()

Returns a SerializationProxy representing the state of this instance.

Class java.util.concurrent.atomic.DoubleAdder.SerializationProxy

class SerializationProxy extends Object implements Serializable

serialVersionUID:

7249069246863182397L

Serialization Methods

readResolve

private Object readResolve()

Returns a DoubleAdder object with initial state held by this proxy.

Serialized Fields

value

double value

The current value returned by sum().

Class java.util.concurrent.atomic.LongAccumulator

class LongAccumulator extends java.util.concurrent.atomic.Striped64 implements Serializable

serialVersionUID:

7249069246863182397L

Serialization Methods

readObject

private void readObject(ObjectInputStream s)
                 throws InvalidObjectException

Parameters:

s - the stream

Throws:

InvalidObjectException - always

writeReplace

private Object writeReplace()

Returns a SerializationProxy representing the state of this instance.

Serialized Fields

function

LongBinaryOperator function

identity

long identity

Class java.util.concurrent.atomic.LongAccumulator.SerializationProxy

class SerializationProxy extends Object implements Serializable

serialVersionUID:

7249069246863182397L

Serialization Methods

readResolve

private Object readResolve()

Returns a LongAccumulator object with initial state held by this proxy.

Serialized Fields

function

LongBinaryOperator function

The function used for updates.

identity

long identity

The identity value.

value

long value

The current value returned by get().

Class java.util.concurrent.atomic.LongAdder

class LongAdder extends java.util.concurrent.atomic.Striped64 implements Serializable

serialVersionUID:

7249069246863182397L

Serialization Methods

readObject

private void readObject(ObjectInputStream s)
                 throws InvalidObjectException

Parameters:

s - the stream

Throws:

InvalidObjectException - always

writeReplace

private Object writeReplace()

Returns a SerializationProxy representing the state of this instance.

Class java.util.concurrent.atomic.LongAdder.SerializationProxy

class SerializationProxy extends Object implements Serializable

serialVersionUID:

7249069246863182397L

Serialization Methods

readResolve

private Object readResolve()

Returns a LongAdder object with initial state held by this proxy.

Serialized Fields

value

long value

The current value returned by sum().

Package java.util.concurrent.locks

Class java.util.concurrent.locks.AbstractOwnableSynchronizer

class AbstractOwnableSynchronizer extends Object implements Serializable

serialVersionUID:

3737899427754241961L

Class java.util.concurrent.locks.AbstractQueuedLongSynchronizer

class AbstractQueuedLongSynchronizer extends AbstractOwnableSynchronizer implements Serializable

serialVersionUID:

7373984972572414692L

Serialized Fields

state

long state

The synchronization state.

Class java.util.concurrent.locks.AbstractQueuedLongSynchronizer.ConditionObject

class ConditionObject extends Object implements Serializable

serialVersionUID:

1173984872572414699L

Class java.util.concurrent.locks.AbstractQueuedSynchronizer

class AbstractQueuedSynchronizer extends AbstractOwnableSynchronizer implements Serializable

serialVersionUID:

7373984972572414691L

Serialized Fields

state

int state

The synchronization state.

Class java.util.concurrent.locks.AbstractQueuedSynchronizer.ConditionObject

class ConditionObject extends Object implements Serializable

serialVersionUID:

1173984872572414699L

Class java.util.concurrent.locks.ReentrantLock

class ReentrantLock extends Object implements Serializable

serialVersionUID:

7373984872572414699L

Serialized Fields

sync

java.util.concurrent.locks.ReentrantLock.Sync sync

Synchronizer providing all implementation mechanics

Class java.util.concurrent.locks.ReentrantReadWriteLock

class ReentrantReadWriteLock extends Object implements Serializable

serialVersionUID:

-6992448646407690164L

Serialized Fields

readerLock

ReentrantReadWriteLock.ReadLock readerLock

Inner class providing readlock

sync

java.util.concurrent.locks.ReentrantReadWriteLock.Sync sync

Performs all synchronization mechanics

writerLock

ReentrantReadWriteLock.WriteLock writerLock

Inner class providing writelock

Class java.util.concurrent.locks.ReentrantReadWriteLock.ReadLock

class ReadLock extends Object implements Serializable

serialVersionUID:

-5992448646407690164L

Serialized Fields

sync

java.util.concurrent.locks.ReentrantReadWriteLock.Sync sync

Class java.util.concurrent.locks.ReentrantReadWriteLock.WriteLock

class WriteLock extends Object implements Serializable

serialVersionUID:

-4992448646407690164L

Serialized Fields

sync

java.util.concurrent.locks.ReentrantReadWriteLock.Sync sync

Class java.util.concurrent.locks.StampedLock

class StampedLock extends Object implements Serializable

serialVersionUID:

-6001602636862214147L

Serialization Methods

readObject

private void readObject(ObjectInputStream s)
                 throws IOException,
ClassNotFoundException

Throws:

IOException

ClassNotFoundException