Serialized Form

Package messif.algorithms

Class messif.algorithms.Algorithm extends java.lang.Object implements Serializable

serialVersionUID: 1L

Serialization Methods

readObject

private void readObject(java.io.ObjectInputStream in)
                 throws java.io.IOException,
                        java.lang.ClassNotFoundException

Deserialization method. Initialize the method class executor, because it is not serialized

Throws:

java.io.IOException - if there was an error reading from the input stream

java.lang.ClassNotFoundException - if there was an error resolving classes from the input stream

Serialized Fields

algorithmName

java.lang.String algorithmName

The name of this algorithm

Class messif.algorithms.AlgorithmMethodException extends java.lang.Exception implements Serializable

serialVersionUID: 1L

Class messif.algorithms.DistAlgReplyMessage extends ReplyMessage implements Serializable

serialVersionUID: 1L

Serialized Fields

operation

AbstractOperation operation

Operation processed by the algorithm

Class messif.algorithms.DistAlgRequestMessage extends Message implements Serializable

serialVersionUID: 1L

Serialized Fields

operation

AbstractOperation operation

Message extension

Class messif.algorithms.DistributedAlgorithm extends Algorithm implements Serializable

serialVersionUID: 5L

Serialized Fields

messageDisp

MessageDispatcher messageDisp

Message dispatcher for this distributed algorithm

Package messif.algorithms.impl

Class messif.algorithms.impl.ParallelSequentialScan extends Algorithm implements Serializable

serialVersionUID: 1L

Serialized Fields

buckets

LocalBucket[] buckets

Instances of bucket where all the objects are stored

insertBucket

int insertBucket

Index of the bucket that receives next inserted object

Class messif.algorithms.impl.SequentialScan extends Algorithm implements Serializable

serialVersionUID: 1L

Serialized Fields

bucket

LocalBucket bucket

One instance of bucket where all objects are stored

pivots

AbstractObjectList<E extends AbstractObject> pivots

A list of fixed pivots used for filtering

pivotDistsValidIfGiven

boolean pivotDistsValidIfGiven

Flag controlling the usage of PrecomputedDistancesFixedArrayFilter -- whether distances are set or appended (see the constructor below for details)

Package messif.buckets

Class messif.buckets.BucketDispatcher extends java.lang.Object implements Serializable

serialVersionUID: 2L

Serialized Fields

buckets

java.util.Map<K,V> buckets

The buckets maintained by this dispatcher organized in hashtable with bucket IDs as keys

maxBuckets

int maxBuckets

Maximal number of buckets maintained by this dispatcher

nextBucketID

java.util.concurrent.atomic.AtomicInteger nextBucketID

Automatic bucket ID generator

bucketCapacity

long bucketCapacity

Default bucket hard capacity for newly created buckets

bucketSoftCapacity

long bucketSoftCapacity

Default bucket soft capacity for newly created buckets

bucketLowOccupation

long bucketLowOccupation

Default bucket hard low-occupation for newly created buckets

bucketOccupationAsBytes

boolean bucketOccupationAsBytes

Default flag whether to store occupation & capacity in bytes (true) or number of objects (false) for newly created buckets

defaultBucketClass

java.lang.Class<T> defaultBucketClass

Default class for newly created buckets

defaultBucketClassParams

java.util.Map<K,V> defaultBucketClassParams

Default parameters for newly created buckets with default bucket class

autoPivotChooserClass

java.lang.Class<T> autoPivotChooserClass

The class of pivot chooser that is automatically created for newly created buckets

autoPivotChooserInstance

AbstractPivotChooser autoPivotChooserInstance

The pivot chooser instance that chooses pivots for all the buckets in this dispatcher

createdPivotChoosers

java.util.Map<K,V> createdPivotChoosers

The hash table of pivot choosers that are assigned to buckets of this dispatcher

Class messif.buckets.BucketErrorCode extends ErrorCode implements Serializable

serialVersionUID: 1L

Class messif.buckets.BucketStorageException extends java.lang.Exception implements Serializable

serialVersionUID: 1L

Serialized Fields

errorCode

BucketErrorCode errorCode

Bucket error code associated with this exception

Class messif.buckets.CapacityFullException extends BucketStorageException implements Serializable

serialVersionUID: 1L

Class messif.buckets.DuplicateObjectException extends BucketStorageException implements Serializable

serialVersionUID: 1L

Class messif.buckets.FilterRejectException extends BucketStorageException implements Serializable

serialVersionUID: 1L

Class messif.buckets.LocalBucket extends Bucket implements Serializable

serialVersionUID: 2L

Serialized Fields

bucketID

int bucketID

Unique identifier of this bucket

capacity

long capacity

The maximal (hard) capacity of this bucket

softCapacity

long softCapacity

The soft capacity of this bucket

lowOccupation

long lowOccupation

The minimal (hard) capacity of this bucket

occupationAsBytes

boolean occupationAsBytes

Flag if the occupation is stored as bytes or object count

occupation

long occupation

Actual bucket occupation in either bytes or object count (see occupationAsBytes flag)

beforeAddFilters

BucketFilterBeforeAdd[] beforeAddFilters

List of registered "before add" filters

afterAddFilters

BucketFilterAfterAdd[] afterAddFilters

List of registered "after add" filters

beforeRemoveFilters

BucketFilterBeforeRemove[] beforeRemoveFilters

List of registered "before remove" filters

afterRemoveFilters

BucketFilterAfterRemove[] afterRemoveFilters

List of registered "after remove" filters

Class messif.buckets.OccupationLowException extends BucketStorageException implements Serializable

serialVersionUID: 1L

Class messif.buckets.OrderedLocalBucket extends LocalBucket implements Serializable

serialVersionUID: 934001L

Class messif.buckets.StorageFailureException extends BucketStorageException implements Serializable

serialVersionUID: 1L

Package messif.buckets.impl

Class messif.buckets.impl.AlgorithmStorageBucket extends LocalBucket implements Serializable

serialVersionUID: -792888618241233159L

Serialized Fields

algorithm

Algorithm algorithm

Encapsulated algorithm

objectCount

int objectCount

Stored object count

Class messif.buckets.impl.DiskBlockBucket extends LocalBucket implements Serializable

serialVersionUID: 1L

Serialized Fields

objects

ModifiableIndex<T> objects

Object storage

Class messif.buckets.impl.DiskBlockObjectKeyBucket extends OrderedLocalBucket<AbstractObjectKey> implements Serializable

serialVersionUID: 1L

Serialized Fields

objects

ModifiableOrderedIndex<C,T> objects

Object storage

Class messif.buckets.impl.DiskBlockObjectKeyMemoryBucket extends OrderedLocalBucket<AbstractObjectKey> implements Serializable

serialVersionUID: 1L

Serialized Fields

objects

ModifiableOrderedIndex<C,T> objects

Object storage

Class messif.buckets.impl.MemoryStorageBucket extends LocalBucket implements Serializable

serialVersionUID: 4L

Serialized Fields

objects

ModifiableIndex<T> objects

Object storage

Class messif.buckets.impl.MemoryStorageIDBucket extends OrderedLocalBucket<UniqueID> implements Serializable

serialVersionUID: 1L

Serialized Fields

objects

ModifiableOrderedIndex<C,T> objects

Object storage with object-id index

Class messif.buckets.impl.MemoryStorageLocatorBucket extends OrderedLocalBucket<java.lang.String> implements Serializable

serialVersionUID: 1L

Serialized Fields

objects

ModifiableOrderedIndex<C,T> objects

Object storage with object-id index

Class messif.buckets.impl.MemoryStorageNoDupsBucket extends OrderedLocalBucket<LocalAbstractObject> implements Serializable

serialVersionUID: 1L

Serialized Fields

objects

ModifiableOrderedIndex<C,T> objects

Object storage with object-id index

Class messif.buckets.impl.MemoryStorageObjectKeyBucket extends OrderedLocalBucket<AbstractObjectKey> implements Serializable

serialVersionUID: 1L

Serialized Fields

objects

ModifiableOrderedIndex<C,T> objects

Object storage with object-id index

Class messif.buckets.impl.VirtualStorageBucket extends OrderedLocalBucket<C> implements Serializable

serialVersionUID: 1L

Serialized Fields

index

ModifiableOrderedIndex<C,T> index

Internal index with encapsulated storage

Package messif.buckets.index

Package messif.buckets.index.impl

Class messif.buckets.index.impl.AddressStorageIndex extends AbstractArrayIndex<K,T> implements Serializable

serialVersionUID: 2L

Serialized Fields

storage

Storage<T> storage

Storage associated with this index

index

Address<T>[] index

Index of addresses into the storage

comparator

IndexComparator<K,O> comparator

Comparator imposing natural order of this index

Class messif.buckets.index.impl.IntStorageIndex extends AbstractArrayIndex<K,T> implements Serializable

serialVersionUID: 2L

Serialized Fields

storage

IntStorage<T> storage

Storage associated with this index

index

int[] index

Index of addresses into the storage

comparator

IndexComparator<K,O> comparator

Comparator imposing natural order of this index

Class messif.buckets.index.impl.LongStorageIndex extends AbstractArrayIndex<K,T> implements Serializable

serialVersionUID: 2L

Serialized Fields

storage

LongStorage<T> storage

Storage associated with this index

index

long[] index

Index of addresses into the storage

comparator

IndexComparator<K,O> comparator

Comparator imposing natural order of this index

Class messif.buckets.index.impl.LongStorageMemoryIndex extends SortedArrayData<K,LongStorageMemoryIndex.KeyAddressPair<K>> implements Serializable

serialVersionUID: 102302L

Serialized Fields

storage

DiskStorage<T> storage

Storage associated with this index

index

java.util.ArrayList<E> index

Index of addresses into the storage

comparator

IndexComparator<K,O> comparator

Comparator imposing natural order of this index

Class messif.buckets.index.impl.LongStorageMemoryIndex.KeyAddressPair extends java.lang.Object implements Serializable

serialVersionUID: 102401L

Serialized Fields

key

java.lang.Object key

position

long position

Package messif.buckets.split

Class messif.buckets.split.BucketBallRegion extends BallRegion implements Serializable

serialVersionUID: 1L

Serialized Fields

bucket

LocalBucket bucket

The bucket on which this ball region should be maintained

needsAdjusting

boolean needsAdjusting

The flag if there was a modification to bucket

Package messif.buckets.storage

Class messif.buckets.storage.IntAddress extends java.lang.Object implements Serializable

serialVersionUID: 23101L

Serialized Fields

storage

IntStorage<T> storage

Storage associated with this address

address

int address

Actual address in the storage this object points to

Class messif.buckets.storage.InvalidAddressException extends StorageFailureException implements Serializable

serialVersionUID: 8785487981624795432L

Class messif.buckets.storage.LongAddress extends java.lang.Object implements Serializable

serialVersionUID: 23101L

Serialized Fields

storage

LongStorage<T> storage

Storage associated with this address

address

long address

Actual address in the storage this object points to

Class messif.buckets.storage.ReadonlyStorageException extends StorageFailureException implements Serializable

serialVersionUID: 8785489987624795491L

Package messif.buckets.storage.impl

Class messif.buckets.storage.impl.DatabaseStorage extends java.lang.Object implements Serializable

serialVersionUID: 1L

Serialized Fields

storedObjectsClass

java.lang.Class<T> storedObjectsClass

Class of objects that the this storage works with

dbConnUrl

java.lang.String dbConnUrl

Database connection URL

dbConnInfo

java.util.Properties dbConnInfo

Properties with database connection info

columnConvertors

DatabaseStorage.ColumnConvertor<T>[] columnConvertors

List of column convertors

columnNames

java.lang.String[] columnNames

List of additional column names (same size as columnConvertors)

sizeSQL

java.lang.String sizeSQL

Number of objects SQL command

insertSQL

java.lang.String insertSQL

Insert object SQL command

deleteSQL

java.lang.String deleteSQL

Delete a single object (by primary key) SQL command

deleteAllSQL

java.lang.String deleteAllSQL

Delete all data SQL command

readSQL

java.lang.String readSQL

Read single object (by primary key) SQL command

readByDataSQL

java.lang.String readByDataSQL

Read single object (by data) SQL command

selectSQL

java.lang.String selectSQL

Select all data SQL command

Class messif.buckets.storage.impl.DatabaseStorage.BinarySerializableColumnConvertor extends java.lang.Object implements Serializable

serialVersionUID: 1L

Serialized Fields

storedObjectsClass

java.lang.Class<T> storedObjectsClass

Class of instances serialized into the database

serializator

BinarySerializator serializator

Serializator that is used for storing/restoring the data into the database

Class messif.buckets.storage.impl.DiskStorage extends java.lang.Object implements Serializable

serialVersionUID: 1L

Serialization Methods

readObject

private void readObject(java.io.ObjectInputStream in)
                 throws java.io.IOException,
                        java.lang.ClassNotFoundException

Read the serialized disk storage from an object stream.

Throws:

java.io.IOException - if there was an I/O error during deserialization

java.lang.ClassNotFoundException - if there was an unknown object in the stream

Serialized Fields

bufferSize

int bufferSize

Buffer sizes for read/write operations

bufferDirect

boolean bufferDirect

Allocate the buffers for read/write operations as direct

file

java.io.File file

The file with data

startPosition

long startPosition

The position in the file where this storage starts (the real data starts at startPosition + headerSize)

maximalLength

long maximalLength

The maximal length of the file

serializator

BinarySerializator serializator

Serializator responsible for storing (and restoring) binary objects in the file

storedObjectsClass

java.lang.Class<T> storedObjectsClass

Class of objects that the this storage works with

references

int references

Number of items that reference this disk storage

Class messif.buckets.storage.impl.MemoryStorage extends java.lang.Object implements Serializable

serialVersionUID: 1L

Serialized Fields

storedObjectsClass

java.lang.Class<T> storedObjectsClass

Class of objects that the this storage works with

items

java.lang.Object[] items

Array buffer into which objects are stored

size

int size

Size of the actually used storage

deleted

int deleted

Number of deleted objects, i.e. "nulled" items

Package messif.netbucket

Class messif.netbucket.BucketCreateReplyMessage extends BucketReplyMessage implements Serializable

serialVersionUID: 2L

Serialized Fields

bucketID

int bucketID

ID of the bucket that was created on the remote network node

capacity

long capacity

Capacity of the created bucket

Class messif.netbucket.BucketCreateRequestMessage extends BucketRequestMessage<BucketCreateReplyMessage> implements Serializable

serialVersionUID: 1L

Class messif.netbucket.BucketExceptionReplyMessage extends BucketReplyMessage implements Serializable

serialVersionUID: 1L

Serialized Fields

bucketException

BucketStorageException bucketException

Bucket storage exception to pass back to the originator

runtimeException

java.lang.RuntimeException runtimeException

Runtime exception to pass back to the originator

Class messif.netbucket.BucketProcessQueryReplyMessage extends BucketReplyMessage implements Serializable

serialVersionUID: 1L

Serialized Fields

query

QueryOperation<TAnswer> query

Query operation processed on a remote bucket

Class messif.netbucket.BucketProcessQueryRequestMessage extends BucketRequestMessage<BucketProcessQueryReplyMessage> implements Serializable

serialVersionUID: 1L

Serialized Fields

query

QueryOperation<TAnswer> query

Query operation to process on a remote bucket

Class messif.netbucket.BucketRemoveReplyMessage extends BucketReplyMessage implements Serializable

serialVersionUID: 1L

Serialized Fields

removed

boolean removed

Class messif.netbucket.BucketRemoveRequestMessage extends BucketRequestMessage<BucketRemoveReplyMessage> implements Serializable

serialVersionUID: 1L

Class messif.netbucket.BucketReplyMessage extends ReplyMessage implements Serializable

serialVersionUID: 1L

Class messif.netbucket.BucketRequestMessage extends Message implements Serializable

serialVersionUID: 3L

Serialized Fields

bucketID

int bucketID

ID of a remote bucket on which to process the request

Class messif.netbucket.NetworkBucketDispatcher extends BucketDispatcher implements Serializable

serialVersionUID: 1L

Serialized Fields

messageDisp

MessageDispatcher messageDisp

Message dispatcher associated with this network bucket dispatcher

Class messif.netbucket.RemoteAbstractObject extends AbstractObject implements Serializable

serialVersionUID: 3L

Serialized Fields

bucket

RemoteBucket bucket

Bucket in which this object resides

Class messif.netbucket.RemoteBucket extends Bucket implements Serializable

serialVersionUID: 1L

Serialized Fields

bucketID

int bucketID

ID of the bucket on the remote node

remoteNetworkNode

NetworkNode remoteNetworkNode

Remote node on which the bucket resides

netbucketDisp

NetworkBucketDispatcher netbucketDisp

Network storage (bucket) dispatcher to which this remote bucket is associated

capacity

long capacity

The maximal (hard) capacity of the remote bucket

Package messif.netbucket.replication

Class messif.netbucket.replication.ReplicationBucket extends LocalBucket implements Serializable

serialVersionUID: 1L

Serialized Fields

bucketDispatcher

ReplicationNetworkBucketDispatcher bucketDispatcher

encapsulatedBucket

LocalBucket encapsulatedBucket

replicas

java.util.List<E> replicas

nextReplicaForGet

java.util.concurrent.atomic.AtomicInteger nextReplicaForGet

replicaManipulationLock

java.util.concurrent.locks.ReadWriteLock replicaManipulationLock

Class messif.netbucket.replication.ReplicationNetworkBucketDispatcher extends NetworkBucketDispatcher implements Serializable

serialVersionUID: 1L

Serialized Fields

bucketOperationDistcompCounter

StatisticSimpleWeakrefCounter bucketOperationDistcompCounter

Statistic for per query operation DC

replicateBucketsEqually

boolean replicateBucketsEqually

If true then automatically replicate all bucket at the same nodes

Package messif.netcreator

Class messif.netcreator.BroadcastCreator extends NetworkNodeDispatcher implements Serializable

serialVersionUID: 1L

Serialized Fields

pool

java.util.Set<E> pool

Internal data

Class messif.netcreator.CantStartException extends java.lang.Exception implements Serializable

serialVersionUID: 1L

Class messif.netcreator.CentralCreator extends NetworkNodeDispatcher implements Serializable

serialVersionUID: 1L

Serialized Fields

pool

java.util.Set<E> pool

Internal data

centralNode

NetworkNode centralNode

active

boolean active

Class messif.netcreator.MessageActivate extends Message implements Serializable

serialVersionUID: 1L

Serialized Fields

netnodes

java.util.Set<E> netnodes

Message extensions

Class messif.netcreator.MessageActivateResponse extends ReplyMessage implements Serializable

serialVersionUID: 1L

Serialized Fields

response

byte response

Message extensions

activatedNode

NetworkNode activatedNode

Class messif.netcreator.MessageImHere extends Message implements Serializable

serialVersionUID: 1L

Class messif.netcreator.MessageImUsed extends Message implements Serializable

serialVersionUID: 1L

Class messif.netcreator.NetworkNodeDispatcher extends java.lang.Object implements Serializable

serialVersionUID: 1L

Serialized Fields

startables

Startable[] startables

Registered startables

Package messif.network

Class messif.network.Message extends java.lang.Object implements Serializable

serialVersionUID: 3L

Serialization Methods

readObject

private void readObject(java.io.ObjectInputStream in)
                 throws java.io.IOException,
                        java.lang.ClassNotFoundException

Deserialization from network socket. The actual navigation element is added to the navigation path and a new element is created.

Throws:

java.io.IOException - if there was a problem reading the data from the stream

java.lang.ClassNotFoundException - if an unknown class was encountered while reading objects from the stream

Serialized Fields

messageID

long messageID

The message ID

navigationPath

java.util.List<E> navigationPath

Navigation path this message has gone through

actualNavigationElement

NavigationElement actualNavigationElement

Actual navigation element

Class messif.network.MessageDispatcher extends java.lang.Object implements Serializable

serialVersionUID: 1L

Serialization Methods

writeReplace

private java.lang.Object writeReplace()

Returns an alternative object to be used when serializing MessageDispatcher. During its deserialization the correct full MessageDispatcher is recreated.

Serialized Fields

receivers

java.util.List<E> receivers

List of currently registered receivers

replyReceivers

messif.network.ReplyReceiverList replyReceivers

List of currently registered reply receivers

udpSocket

java.net.DatagramSocket udpSocket

UDP socket for communication

tcpSocket

java.net.ServerSocket tcpSocket

TCP socket for communication

broadcastSocket

java.net.MulticastSocket broadcastSocket

UDP multicast socket for broadcast communication It is null if broadcast is not initialized.

ourNetworkNode

NetworkNode ourNetworkNode

Identification of this network node

topMessageDispatcher

MessageDispatcher topMessageDispatcher

Top most message dispatcher in the hierarchy

Class messif.network.NavigationElement extends java.lang.Object implements Serializable

serialVersionUID: 2L

Serialized Fields

sender

NetworkNode sender

The sender of the message for this particular hop

destination

NetworkNode destination

The destination of the message for this particular hop

notWaitingDestinations

java.util.Set<E> notWaitingDestinations

The destinations, where the message was sent so far using the sendMessage during this particular hop

waitingDestinations

java.util.Set<E> waitingDestinations

The destinations, where the message was sent so far using the sendMessageWaitReply during this particular hop

reply

boolean reply

The flag if the message was sent as reply

skipWaiting

boolean skipWaiting

The flag if this message was marked to skip the message waiting for the sender node

statistics

OperationStatistics statistics

OperationStatistics gathered during this particular hop

Class messif.network.NetworkNode extends java.lang.Object implements Serializable

serialVersionUID: 3L

Serialization Methods

readObject

private void readObject(java.io.ObjectInputStream in)
                 throws java.io.IOException,
                        java.lang.ClassNotFoundException

Deserialization method. Object is loaded as usuall, but its host (and optionally port) is changed according to the mapping table.

Throws:

java.io.IOException

java.lang.ClassNotFoundException

Serialized Fields

host

java.net.InetAddress host

IP address of this network node

port

int port

TCP/UDP port of this network node

nodeID

java.lang.Integer nodeID

Identification of a specific node, when several logical nodes are running on one physical peer. They will also share the message dispatchers, where the top-level dispatcher has no nodeID set. It is null if nodeID is not used.

Class messif.network.ReplyMessage extends Message implements Serializable

serialVersionUID: 1L

Package messif.objects

Class messif.objects.AbstractObject extends UniqueID implements Serializable

serialVersionUID: 4L

Serialized Fields

objectKey

AbstractObjectKey objectKey

The key of this object - it must contain the URI.

Class messif.objects.BallRegion extends LocalAbstractObject implements Serializable

serialVersionUID: 1L

Serialized Fields

pivot

LocalAbstractObject pivot

Center of the ball region

radius

float radius

Radius of this region

Class messif.objects.LocalAbstractObject extends AbstractObject implements Serializable

serialVersionUID: 4L

Serialized Fields

suppData

java.lang.Object suppData

Supplemental data object

distanceFilter

PrecomputedDistancesFilter distanceFilter

Object for storing and using precomputed distances

Class messif.objects.LocalAbstractObjectAutoImpl extends LocalAbstractObject implements Serializable

serialVersionUID: 1L

Serialization Methods

readObject

private void readObject(java.io.ObjectInputStream in)
                 throws java.io.IOException,
                        java.lang.ClassNotFoundException

Throws:

java.io.IOException

java.lang.ClassNotFoundException

writeObject

private void writeObject(java.io.ObjectOutputStream out)
                  throws java.io.IOException

Binary serialization

Throws:

java.io.IOException

Class messif.objects.MetaObject extends LocalAbstractObject implements Serializable

serialVersionUID: 2L

Serialization Methods

readObject

protected <E> E readObject(java.io.BufferedReader stream,
                           java.lang.Class<E> objectClass)
                throws java.io.IOException

Reads one object with the specified class name from the stream. The class name is looked up first - it must be a descendant of LocalAbstractObject. Then, a constructor with BufferedReader argument is used to load the object up.

Throws:

java.io.IOException - if there was an error resolving the specified class or its constuctor or a problem occurred while reading from the stream

readObject

protected LocalAbstractObject readObject(java.io.BufferedReader stream,
                                         java.lang.String className)
                                  throws java.io.IOException

Reads one object with the specified class name from the stream. The class name is looked up first - it must be a descendant of LocalAbstractObject. Then, a constructor with BufferedReader argument is used to load the object up.

Throws:

java.io.IOException - if there was an error resolving the specified class or its constuctor or a problem occurred while reading from the stream

Class messif.objects.NoDataObject extends AbstractObject implements Serializable

serialVersionUID: 1L

Class messif.objects.PrecompDistPerforatedArrayFilter extends PrecomputedDistancesFixedArrayFilter implements Serializable

serialVersionUID: 1L

Class messif.objects.PrecomputedDistancesFilter extends java.lang.Object implements Serializable

serialVersionUID: 1L

Serialized Fields

nextFilter

PrecomputedDistancesFilter nextFilter

The next filter in this chain

Class messif.objects.PrecomputedDistancesFixedArrayFilter extends PrecomputedDistancesFilter implements Serializable

serialVersionUID: 1L

Serialized Fields

precompDist

float[] precompDist

The list of precomputed distances

actualSize

int actualSize

The actual size of precompDist (if it was pre-buffered)

Class messif.objects.PrecomputedDistancesPivotMapFilter extends PrecomputedDistancesFilter implements Serializable

serialVersionUID: 1L

Serialized Fields

precompDistMapping

java.util.Map<K,V> precompDistMapping

The hash table of precomputed distances

Class messif.objects.UniqueID extends java.lang.Object implements Serializable

serialVersionUID: -1584641682281614360L

Serialized Fields

mostSigBits

long mostSigBits

The most significant 64 bits of this UniqueID.

leastSigBits

long leastSigBits

The least significant 64 bits of this UniqueID.

Package messif.objects.extraction

Class messif.objects.extraction.ExtractorException extends java.lang.Exception implements Serializable

serialVersionUID: 1L

Package messif.objects.impl

Class messif.objects.impl.MetaObjectMap extends MetaObject implements Serializable

serialVersionUID: 1L

Serialized Fields

objects

java.util.Map<K,V> objects

List of encapsulated objects

Class messif.objects.impl.ObjectByteVector extends LocalAbstractObject implements Serializable

serialVersionUID: 1L

Serialized Fields

data

byte[] data

Class messif.objects.impl.ObjectByteVectorL1 extends ObjectByteVector implements Serializable

serialVersionUID: 1L

Class messif.objects.impl.ObjectFloatUnitVector extends ObjectFloatVector implements Serializable

serialVersionUID: 23701L

Class messif.objects.impl.ObjectFloatUnitVectorL2 extends ObjectFloatUnitVector implements Serializable

serialVersionUID: 23601L

Class messif.objects.impl.ObjectFloatVector extends LocalAbstractObject implements Serializable

serialVersionUID: 1L

Serialized Fields

data

float[] data

Data array

Class messif.objects.impl.ObjectFloatVectorL1 extends ObjectFloatVector implements Serializable

serialVersionUID: 1L

Class messif.objects.impl.ObjectFloatVectorL2 extends ObjectFloatVector implements Serializable

serialVersionUID: 1L

Class messif.objects.impl.ObjectIntVector extends LocalAbstractObject implements Serializable

serialVersionUID: 1L

Serialized Fields

data

int[] data

Class messif.objects.impl.ObjectIntVectorL1 extends ObjectIntVector implements Serializable

serialVersionUID: 1L

Class messif.objects.impl.ObjectIntVectorL2 extends ObjectIntVector implements Serializable

serialVersionUID: 1L

Class messif.objects.impl.ObjectShortVector extends LocalAbstractObject implements Serializable

serialVersionUID: 1L

Serialized Fields

data

short[] data

Class messif.objects.impl.ObjectShortVectorL1 extends ObjectShortVector implements Serializable

serialVersionUID: 1L

Class messif.objects.impl.ObjectShortVectorL2 extends ObjectShortVector implements Serializable

serialVersionUID: 1L

Class messif.objects.impl.ObjectString extends LocalAbstractObject implements Serializable

serialVersionUID: 1L

Serialized Fields

text

java.lang.String text

Class messif.objects.impl.ObjectStringEditDist extends ObjectString implements Serializable

serialVersionUID: 1L

Serialized Fields

insertDeleteWeight

int insertDeleteWeight

Weight of the insert and delete operations during the edit distance computation

Package messif.objects.keys

Class messif.objects.keys.AbstractObjectKey extends java.lang.Object implements Serializable

serialVersionUID: 1L

Serialized Fields

locatorURI

java.lang.String locatorURI

The URI locator

Class messif.objects.keys.DoubleKey extends AbstractObjectKey implements Serializable

serialVersionUID: 1L

Serialized Fields

key

double key

The double key

Class messif.objects.keys.DoubleKeyInterval extends KeyInterval<DoubleKey> implements Serializable

serialVersionUID: 1L

Serialized Fields

from

DoubleKey from

Lower bound (inclusive).

to

DoubleKey to

Upeer bound (inclusive).

Class messif.objects.keys.DoubleKeyOperator extends KeyOperator<DoubleKey> implements Serializable

serialVersionUID: 1L

Class messif.objects.keys.IntegerKey extends AbstractObjectKey implements Serializable

serialVersionUID: 1L

Serialized Fields

key

int key

The integer key

Class messif.objects.keys.LongKey extends AbstractObjectKey implements Serializable

serialVersionUID: 1L

Serialized Fields

key

long key

The long key

Package messif.objects.nio

Class messif.objects.nio.CachingSerializator extends MultiClassSerializator<T> implements Serializable

serialVersionUID: 1L

Serialization Methods

readObject

private void readObject(java.io.ObjectInputStream in)
                 throws java.io.IOException,
                        java.lang.ClassNotFoundException

Read this serializator from the object stream

Throws:

java.io.IOException

java.lang.ClassNotFoundException

Serialized Fields

cachedClasses

java.util.Map<K,V> cachedClasses

The hash table of cached classes with references to the constructor/factory method lists

Class messif.objects.nio.MultiClassSerializator extends BinarySerializator implements Serializable

serialVersionUID: 2L

Serialization Methods

readObject

private void readObject(java.io.ObjectInputStream in)
                 throws java.io.IOException,
                        java.lang.ClassNotFoundException

Read this serializator from an object stream.

Throws:

java.io.IOException - if there was an I/O error reading the serializator from the stream

java.lang.ClassNotFoundException - if there was an error resolving object class

readObject

public T readObject(BinaryInput input)
             throws java.io.IOException,
                    java.lang.IllegalArgumentException

Reads an instance from the input using this serializator. The default class that is expected to be in the buffer.

Throws:

java.io.IOException - if there was an I/O error

java.lang.IllegalArgumentException - if the constructor or the factory method has a wrong prototype

Serialized Fields

defaultClass

java.lang.Class<T> defaultClass

The first class in the predefinedClasses is used as default

Class messif.objects.nio.SingleClassSerializator extends BinarySerializator implements Serializable

serialVersionUID: 1L

Serialization Methods

readObject

private void readObject(java.io.ObjectInputStream in)
                 throws java.io.IOException,
                        java.lang.ClassNotFoundException

Read this serializator from an object stream.

Throws:

java.io.IOException - if there was an I/O error reading the serializator from the stream

java.lang.ClassNotFoundException - if there was an error resolving object class

readObject

public T readObject(BinaryInput input)
             throws java.io.IOException,
                    java.lang.IllegalArgumentException

Reads an instance from the input using this serializator. The default class that is expected to be in the buffer.

Throws:

java.io.IOException - if there was an I/O error

java.lang.IllegalArgumentException - if the constructor or the factory method has a wrong prototype

Serialized Fields

deserializationClass

java.lang.Class<T> deserializationClass

The class of objects created by this serializator during deserialization

Package messif.objects.util

Class messif.objects.util.AbstractObjectList extends java.util.ArrayList<E extends AbstractObject> implements Serializable

serialVersionUID: 1L

Class messif.objects.util.AggregationFunction extends java.lang.Object implements Serializable

serialVersionUID: 1L

Class messif.objects.util.DistanceRankedObject extends java.lang.Object implements Serializable

serialVersionUID: 50201L

Serialized Fields

object

java.lang.Object object

Encapsulated object

distance

float distance

Distance that represents the rank of this object

Class messif.objects.util.DoubleSortedCollection extends RankedSortedCollection implements Serializable

Serialized Fields

originalDistances

java.util.Map<K,V> originalDistances

Distances to be used for pivot filtering - the original distances without the new sorting distances.

thresholdObject

RankedAbstractObject thresholdObject

Object from the collectio with the threshold distance for pivot filtering - this distance cannot be simply the last distance including the keywords distance, because the keywords ditance cannot be considered for filtering.

Class messif.objects.util.GenericMatchingObjectList extends java.util.TreeMap<java.lang.Integer,AbstractObjectList<E extends AbstractObject>> implements Serializable

serialVersionUID: 1L

Class messif.objects.util.RankedAbstractMetaObject extends RankedAbstractObject implements Serializable

serialVersionUID: 1L

Serialized Fields

subDistances

float[] subDistances

Array of distances to respective sub-objects

Class messif.objects.util.RankedAbstractObject extends DistanceRankedObject<AbstractObject> implements Serializable

serialVersionUID: 1L

Class messif.objects.util.RankedSortedCollection extends SortedCollection<RankedAbstractObject> implements Serializable

serialVersionUID: 1L

Package messif.objects.util.impl

Class messif.objects.util.impl.AggregationFunctionEvaluator extends AggregationFunction implements Serializable

serialVersionUID: 1L

Serialized Fields

variableNames

java.lang.String[] variableNames

Parsed variable names that are used in evaluation

maxDistances

float[] maxDistances

Maximal distances for the variables

pattern

PatternToken pattern

The top level token that encapsulates the whole aggregation function string.

Class messif.objects.util.impl.ArithmeticFunctionToken extends java.lang.Object implements Serializable

serialVersionUID: 1L

Serialized Fields

function

ArithmeticFunctionToken.FunctionType function

Function type

operand

PatternToken operand

Operand

Class messif.objects.util.impl.ArithmeticOperatorToken extends java.lang.Object implements Serializable

serialVersionUID: 1L

Serialized Fields

operand1

PatternToken operand1

First operand

operator

ArithmeticOperatorToken.OperatorType operator

Operator type

operand2

PatternToken operand2

Second operand

Class messif.objects.util.impl.ConstantToken extends java.lang.Object implements Serializable

serialVersionUID: 1L

Serialized Fields

constant

float constant

The float constant.

Class messif.objects.util.impl.SubdistanceToken extends java.lang.Object implements Serializable

serialVersionUID: 1L

Serialized Fields

name

java.lang.String name

Subdistance string name

index

int index

Subdistance index

Class messif.objects.util.impl.ThresholdFunctionSimpleEvaluator extends AggregationFunction implements Serializable

serialVersionUID: 1L

Serialized Fields

variableNames

java.lang.String[] variableNames

Parsed variable names that are used in evaluation

variableCoeffs

float[] variableCoeffs

Parsed variable coefficients (weights) that are used in evaluation

Package messif.operations

Class messif.operations.AbstractOperation extends java.lang.Object implements Serializable

serialVersionUID: 1L

Serialized Fields

suppData

java.lang.Object suppData

Supplemental data object

operID

java.util.UUID operID

An universaly unique identification of the operation

errValue

ErrorCode errValue

Operation result code

Class messif.operations.ListingQueryOperation extends QueryOperation<AbstractObject> implements Serializable

serialVersionUID: 1L

Serialized Fields

answer

java.util.List<E> answer

List holding the answer of this query

Class messif.operations.OperationErrorCode extends ErrorCode implements Serializable

serialVersionUID: 1L

Class messif.operations.QueryOperation extends AbstractOperation implements Serializable

serialVersionUID: 2L

Serialized Fields

answerType

AnswerType answerType

Types of objects this query operation will return

Class messif.operations.RankingQueryOperation extends QueryOperation<RankedAbstractObject> implements Serializable

serialVersionUID: 1L

Serialized Fields

answer

RankedSortedCollection answer

Set holding the answer of this query

storeMetaDistances

boolean storeMetaDistances

Flag whether to store sub-distances for metaobjects

Class messif.operations.SingletonQueryOperation extends QueryOperation<AbstractObject> implements Serializable

serialVersionUID: 1L

Serialized Fields

answer

AbstractObject answer

Answer of this query, will be null if the object cannot be found

Package messif.operations.data

Class messif.operations.data.BulkInsertOperation extends AbstractOperation implements Serializable

serialVersionUID: 1L

Serialized Fields

insertedObjects

AbstractObjectList<E extends AbstractObject> insertedObjects

List of objects to insert

Class messif.operations.data.DeleteByLocatorOperation extends AbstractOperation implements Serializable

serialVersionUID: 1L

Serialized Fields

locators

java.util.Set<E> locators

The locators of the objects to delete

deleteLimit

int deleteLimit

Maximal number of deleted objects, zero means unlimited

objects

java.util.List<E> objects

List of all actually deleted objects

Class messif.operations.data.DeleteOperation extends AbstractOperation implements Serializable

serialVersionUID: 2L

Serialized Fields

deletedObject

LocalAbstractObject deletedObject

Object to match the data against

deleteLimit

int deleteLimit

Maximal number of deleted objects, zero means unlimited

checkLocator

boolean checkLocator

Flag whether to check that the deleted object's locator is equal to DeleteOperation.deletedObject's locator

objects

java.util.List<E> objects

List of all actually deleted objects

Class messif.operations.data.InsertOperation extends AbstractOperation implements Serializable

serialVersionUID: 1L

Serialized Fields

insertedObject

LocalAbstractObject insertedObject

Inserted object

Package messif.operations.query

Class messif.operations.query.AggregationFunctionQueryOperation extends RankingQueryOperation implements Serializable

serialVersionUID: 29601L

Serialized Fields

queryObject

MetaObject queryObject

Query object (accessible directly)

k

int k

Number of nearest (top) objects to retrieve

aggregationFunction

AggregationFunction aggregationFunction

Threshold function for measuring the overall similarity

Class messif.operations.query.ApproxKNNQueryOperation extends KNNQueryOperation implements Serializable

serialVersionUID: 3L

Serialized Fields

localSearchType

ApproxKNNQueryOperation.LocalSearchType localSearchType

Type of the local approximation parameter used.

localSearchParam

int localSearchParam

Value of the local approximation parameter. Its interpretation depends on the value of ApproxKNNQueryOperation.localSearchType.

radiusGuaranteed

float radiusGuaranteed

Radius for which the answer is guaranteed as correct. It is specified in the constructor and can influence the level of approximation. An algorithm evaluating this query can also change this value, so it can notify about the guarantees of evaluation.

Class messif.operations.query.ApproxRangeQueryOperation extends RangeQueryOperation implements Serializable

serialVersionUID: 1L

Serialized Fields

localSearchType

ApproxRangeQueryOperation.LocalSearchType localSearchType

Type of the local approximation parameter used.

localSearchParam

int localSearchParam

Value of the local approximation parameter. Its interpretation depends on the value of ApproxRangeQueryOperation.localSearchType.

radiusGuaranteed

float radiusGuaranteed

Radius for which the answer is guaranteed as correct. It is specified in the constructor and can influence the level of approximation. An algorithm evaluating this query can also change this value, so it can notify about the guarantees of evaluation.

Class messif.operations.query.GetAllObjectsQueryOperation extends ListingQueryOperation implements Serializable

serialVersionUID: 1L

Class messif.operations.query.GetObjectByLocatorOperation extends SingletonQueryOperation implements Serializable

serialVersionUID: 2L

Serialized Fields

locator

java.lang.String locator

The locator of the desired object

Class messif.operations.query.GetObjectCountOperation extends AbstractOperation implements Serializable

serialVersionUID: 1L

Serialized Fields

objectCount

int objectCount

The number of objects counted by this operation

Class messif.operations.query.GetObjectQueryOperation extends SingletonQueryOperation implements Serializable

serialVersionUID: 2L

Serialized Fields

objectID

UniqueID objectID

Identifier for which to retrieve object

Class messif.operations.query.GetObjectsByLocatorsOperation extends RankingQueryOperation implements Serializable

serialVersionUID: 3L

Serialized Fields

locators

java.util.Set<E> locators

The locators of the desired objects

queryObjectForDistances

LocalAbstractObject queryObjectForDistances

The object to compute distances to; if null, UNKNOWN_DISTANCE will be used in answer

Class messif.operations.query.GetRandomObjectQueryOperation extends SingletonQueryOperation implements Serializable

serialVersionUID: 1L

Class messif.operations.query.GetRandomObjectsQueryOperation extends ListingQueryOperation implements Serializable

serialVersionUID: 1L

Serialized Fields

count

int count

Number of random objects to retrieve

Class messif.operations.query.IncrementalNNQueryOperation extends RankingQueryOperation implements Serializable

serialVersionUID: 2L

Serialized Fields

queryObject

LocalAbstractObject queryObject

kNN query object

minNN

int minNN

Minimum number of objects returned by this query. Default value is 1. It can be set to any larger value in order to optimize the process of searching for nearest neighbors. This feature is usually used by distributed incremental search algoritms.

nnAddedToAnswer

int nnAddedToAnswer

The number of nearest neighbors added to the answer since the last call to endOperation(). I.e., how many NN were added in one evaluation of this operation.

Class messif.operations.query.KNNMultiQueryOperation extends RankingQueryOperation implements Serializable

serialVersionUID: 1L

Serialized Fields

queryObjects

LocalAbstractObject[] queryObjects

Query object

k

int k

Number of nearest objects to retrieve

Class messif.operations.query.KNNQueryOperation extends RankingQueryOperation implements Serializable

serialVersionUID: 1L

Serialized Fields

queryObject

LocalAbstractObject queryObject

Query object

k

int k

Number of nearest objects to retrieve

Class messif.operations.query.RangeQueryOperation extends RankingQueryOperation implements Serializable

serialVersionUID: 1L

Serialized Fields

queryObject

LocalAbstractObject queryObject

Range query object

radius

float radius

Range query radius

Class messif.operations.query.TopCombinedQueryOperation extends AggregationFunctionQueryOperation implements Serializable

serialVersionUID: 85603L

Serialized Fields

numberOfInitialSA

int numberOfInitialSA

Number of sorted access objects to retrieve

numberOfInitialSAProgressive

boolean numberOfInitialSAProgressive

Progressive flag for the number of initial sorted accesses. If set to true, the number of numberOfInitialSA is multiplied by k.

numberOfRandomAccesses

int numberOfRandomAccesses

Number of random accesses to execute

initialSAQueryClass

java.lang.Class<T> initialSAQueryClass

Query operation to execute for sorted accesses

Package messif.pivotselection

Class messif.pivotselection.ClusterPivotChooser extends AbstractPivotChooser implements Serializable

serialVersionUID: 1L

Serialized Fields

maxClusterRadius

float maxClusterRadius

Threshold on the maximum distance within a single cluster.

Class messif.pivotselection.CoveragePivotChooser extends AbstractPivotChooser implements Serializable

serialVersionUID: 1L

Serialized Fields

clusterRadius

float clusterRadius

Ball size -- radius of the cluster.

clusterDiameter

float clusterDiameter

Ball size multiplied by two

Class messif.pivotselection.IncrementalIDistanceChooser extends AbstractPivotChooser implements Serializable

serialVersionUID: 1L

Serialized Fields

sampleSetSize

int sampleSetSize

Size of the sample set used to test the candidate pivot (used to estimate mu_d)

samplePivotSize

int samplePivotSize

Size of the candidate set of pivots from which one pivot will be picked.

Class messif.pivotselection.IncrementalPivotChooser extends AbstractPivotChooser implements Serializable

serialVersionUID: 1L

Serialized Fields

sampleSize

int sampleSize

Current size of sample sets used to estimate the quality of pivots. Equal to zero when not initilized.

leftPair

AbstractObjectList<E extends AbstractObject> leftPair

Two lists of objects used as samples to estimate the quality of pivots. They are randomly picked among all objects in the bucket.

rightPair

AbstractObjectList<E extends AbstractObject> rightPair

distsFormer

float[] distsFormer

Using pivots we transform the metric space into (R^np,L_max) space where np is the number of pivots. This array caches maximum distances between a left and a right sample objects with respect to the currently selected pivots.

changesFromLastSampleSetSelection

int changesFromLastSampleSetSelection

Number of objects added to or deleted from this bucket since the last selection of sample sets.

Class messif.pivotselection.OnFlyRandomPivotChooser extends RandomPivotChooser implements Serializable

serialVersionUID: 1L

Class messif.pivotselection.OutlierPivotChooser extends AbstractPivotChooser implements Serializable

serialVersionUID: 1L

Class messif.pivotselection.RandomPivotChooser extends AbstractPivotChooser implements Serializable

serialVersionUID: 1L

Class messif.pivotselection.StreamSequencePivotChooser extends AbstractPivotChooser implements Serializable

serialVersionUID: 1L

Serialized Fields

stream

AbstractStreamObjectIterator<E extends LocalAbstractObject> stream

Stream to read pivots from

Class messif.pivotselection.TwoDistantIncrementalPivotChooser extends AbstractPivotChooser implements Serializable

serialVersionUID: 1L

Serialized Fields

pivotsDistance

float pivotsDistance

Actual selected pivots' distance

Package messif.statistics

Class messif.statistics.OperationStatistics extends java.lang.Object implements Serializable

serialVersionUID: 1L

Serialized Fields

statistics

messif.statistics.StatisticsList statistics

Local operation statistic objects

Class messif.statistics.StatisticCounter extends Statistics<StatisticCounter> implements Serializable

serialVersionUID: 1L

Serialized Fields

value

long value

valueCheckpoint

long valueCheckpoint

Class messif.statistics.StatisticMinMaxCounter extends Statistics<StatisticMinMaxCounter> implements Serializable

serialVersionUID: 1L

Serialized Fields

min

double min

Counter operation

max

double max

sum

double sum

count

long count

countCheckpoint

long countCheckpoint

Class messif.statistics.StatisticObject extends Statistics<StatisticObject> implements Serializable

serialVersionUID: 1L

Serialized Fields

value

java.lang.Object value

Object operation

valueCheckpoint

java.lang.Object valueCheckpoint

Class messif.statistics.StatisticRefCounter extends Statistics<StatisticRefCounter> implements Serializable

serialVersionUID: 1L

Serialized Fields

values

java.util.Map<K,V> values

Reference counter data

valueSumCheckpoint

long valueSumCheckpoint

Class messif.statistics.Statistics extends java.lang.Object implements Serializable

serialVersionUID: 3L

Serialization Methods

readObject

private void readObject(java.io.ObjectInputStream in)
                 throws java.io.IOException,
                        java.lang.ClassNotFoundException

Throws:

java.io.IOException

java.lang.ClassNotFoundException

writeObject

private void writeObject(java.io.ObjectOutputStream out)
                  throws java.io.IOException

Throws:

java.io.IOException

readResolve

protected java.lang.Object readResolve()
                                throws java.io.ObjectStreamException

Throws:

java.io.ObjectStreamException

Serialized Fields

name

java.lang.String name

Name of this statistic

Class messif.statistics.StatisticSimpleWeakrefCounter extends Statistics<StatisticSimpleWeakrefCounter> implements Serializable

serialVersionUID: 1L

Serialization Methods

readObject

private void readObject(java.io.ObjectInputStream in)
                 throws java.io.IOException,
                        java.lang.ClassNotFoundException

Constructors

Throws:

java.io.IOException

java.lang.ClassNotFoundException

Serialized Fields

checkpointValue

int checkpointValue

Checkpoint value for recognizing change of state

Class messif.statistics.StatisticSlidingAvgCounter extends Statistics<StatisticSlidingAvgCounter> implements Serializable

serialVersionUID: 1L

Serialized Fields

resetTime

long resetTime

Remember the time stamp of reseting (or creating) the statistics

values

java.util.LinkedList<E> values

Queue of actual values with their time stamps - expect that this queue is sorted according to the times

sum

double sum

aggregated values

count

int count

maxNumberOfValues

int maxNumberOfValues

number of values taken into account if <= 0 then use all values - default is 100

windowSizeMilis

long windowSizeMilis

size of time window in milis - default is -1 (do not use time)

countCheckpoint

long countCheckpoint

backed-up state for checkpointing feature

Class messif.statistics.StatisticSlidingAvgCounter.ValueTime extends java.lang.Object implements Serializable

serialVersionUID: 2L

Serialized Fields

value

double value

time

long time

key

java.lang.Object key

Class messif.statistics.StatisticTimer extends Statistics<StatisticTimer> implements Serializable

serialVersionUID: 1L

Serialized Fields

time

long time

lastStartTime

long lastStartTime

timeCheckpoint

long timeCheckpoint

Package messif.utility

Class messif.utility.ErrorCode extends java.lang.Object implements Serializable

serialVersionUID: 1L

Serialized Fields

text

java.lang.String text

Holder of the current error code text

Class messif.utility.ExtendedProperties extends java.util.Properties implements Serializable

serialVersionUID: 1L

Class messif.utility.ExtendedPropertiesException extends java.lang.RuntimeException implements Serializable

serialVersionUID: 1L

Class messif.utility.SortedCollection extends SortedArrayData<T,T> implements Serializable

serialVersionUID: 1L

Serialized Fields

comparator

java.util.Comparator<T> comparator

Comparator used to maintain order in this collection

items

java.lang.Object[] items

Array buffer into which the elements of the SortedCollection are stored

size

int size

Size of the SortedCollection (the number of elements it contains)

capacity

int capacity

Maximal capacity of the collection