org.apache.ignite.internal.dto

Class IgniteDataTransferObject

java.lang.Object

org.apache.ignite.internal.dto.IgniteDataTransferObject

All Implemented Interfaces:

Externalizable, Serializable

Direct Known Subclasses:

CacheMetricsSnapshotV2, GridAffinityAssignmentV2, TxVerboseId, TxVerboseInfo, TxVerboseKey, VisorCacheRebalanceCollectorJobResult, VisorCacheRebalanceCollectorTaskResult, VisorFindAndDeleteGarbageInPersistenceJobResult, VisorFindAndDeleteGarbageInPersistenceTaskArg, VisorFindAndDeleteGarbageInPersistenceTaskResult, VisorPageLocksResult, VisorPageLocksTrackerArgs

public abstract class IgniteDataTransferObject
extends Object
implements Externalizable

Base class for data transfer objects.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected static byte	V1 Version 1.
protected static byte	V2 Version 2.
protected static byte	V3 Version 3.
protected static byte	V4 Version 4.
protected static byte	V5 Version 5.

Constructor Summary

Constructors

Constructor and Description
IgniteDataTransferObject()

Method Summary

Modifier and Type	Method and Description
byte	getProtocolVersion()
void	readExternal(ObjectInput in)
protected abstract void	readExternalData(byte protoVer, ObjectInput in) Load object's specific data content.
protected static <T> @Nullable List<T>	toList(Collection<T> col)
protected static <T> @Nullable Set<T>	toSet(Collection<T> col)
void	writeExternal(ObjectOutput out)
protected abstract void	writeExternalData(ObjectOutput out) Save object's specific data content.

Methods inherited from class java.lang.Object

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

Field Detail

V1

protected static final byte V1

Version 1.

See Also:

Constant Field Values

V2

protected static final byte V2

Version 2.

See Also:

Constant Field Values

V3

protected static final byte V3

Version 3.

See Also:

Constant Field Values

V4

protected static final byte V4

Version 4.

See Also:

Constant Field Values

V5

protected static final byte V5

Version 5.

See Also:

Constant Field Values

Constructor Detail

IgniteDataTransferObject

public IgniteDataTransferObject()

Method Detail

toList

@Nullable
protected static <T> @Nullable List<T> toList(Collection<T> col)

Type Parameters:

T - Collection type.

Parameters:

col - Source collection.

Returns:

List based on passed collection.

toSet

@Nullable
protected static <T> @Nullable Set<T> toSet(Collection<T> col)

Type Parameters:

T - Collection type.

Parameters:

col - Source collection.

Returns:

List based on passed collection.

getProtocolVersion

public byte getProtocolVersion()

Returns:

Transfer object version.

writeExternalData

protected abstract void writeExternalData(ObjectOutput out)
                                   throws IOException

Save object's specific data content.

Parameters:

out - Output object to write data content.

Throws:

IOException - If I/O errors occur.

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternalData

protected abstract void readExternalData(byte protoVer,
                                         ObjectInput in)
                                  throws IOException,
                                         ClassNotFoundException

Load object's specific data content.

Parameters:

protoVer - Input object version.

in - Input object to load data content.

Throws:

IOException - If I/O errors occur.

ClassNotFoundException - If the class for an object being restored cannot be found.

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException