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com.tangosol.net.partition
Class VersionedOwnership

java.lang.Object
com.tangosol.util.Base
com.tangosol.util.BitHelper
com.tangosol.util.ExternalizableHelper
com.tangosol.net.partition.Ownership
com.tangosol.net.partition.VersionedOwnership

All Implemented Interfaces:

ExternalizableLite, PortableObject, java.io.Serializable, java.lang.Cloneable

public class VersionedOwnership

extends Ownership

An extension of the partition Ownership object which also carries a change version. Ownership versions are used to track changes in the ownership rather than the contents of a partition.

Since:

Coherence 12.1.3

Author:

rhl 2013.08.19

Field Summary

protected int

m_nVersion The ownership version.

Fields inherited from class com.tangosol.net.partition.Ownership

m_aiOwner

Constructor Summary

VersionedOwnership()
Default constructor (needed for serialization).

VersionedOwnership(int cBackups, int nVersion)
Default constructor (needed for serialization).

Method Summary

java.lang.Object	clone() Create a clone of this Ownership.
boolean	equals(java.lang.Object o) Indicates whether some other object is "equal to" this one.
java.lang.String	getDescription() Return a human-readable description of this Ownership.
int	getVersion() Return the ownership version.
void	readExternal(java.io.DataInput in) Restore the contents of this object by loading the object's state from the passed DataInput object.
void	readExternal(PofReader in) Restore the contents of a user type instance by reading its state using the specified PofReader object.
void	setVersion(int nVersion) Set the new ownership version.
void	writeExternal(java.io.DataOutput out) Save the contents of this object by storing the object's state into the passed DataOutput object.
void	writeExternal(PofWriter out) Save the contents of a POF user type instance by writing its state using the specified PofWriter object.

Methods inherited from class com.tangosol.net.partition.Ownership

getBackupCount, getOwner, getOwners, getPrimaryOwner, hashCode, setOwner, setOwners, setOwners, setPrimaryOwner, toString

Methods inherited from class com.tangosol.util.BitHelper

countBits, countBits, countBits, indexOfLSB, indexOfLSB, indexOfLSB, indexOfMSB, indexOfMSB, indexOfMSB, rotateLeft, rotateLeft, rotateLeft, rotateRight, rotateRight, rotateRight, toBitString, toBitString, toBitString, toBytes, toBytes, toBytes, toBytes, toInt, toInt, toLong, toLong

Field Detail

m_nVersion

protected int m_nVersion

The ownership version.

Constructor Detail

VersionedOwnership

public VersionedOwnership()

Default constructor (needed for serialization).

VersionedOwnership

public VersionedOwnership(int cBackups,
                          int nVersion)

Default constructor (needed for serialization).

Method Detail

getVersion

public int getVersion()

Return the ownership version.

Returns:

the ownership version

setVersion

public void setVersion(int nVersion)

Set the new ownership version.

Parameters:

nVersion - the ownership version

getDescription

public java.lang.String getDescription()

Return a human-readable description of this Ownership.

Overrides:

getDescription in class Ownership

Returns:

a human-readable description

clone

public java.lang.Object clone()

Create a clone of this Ownership.

Overrides:

clone in class Ownership

Returns:

a clone of the Ownership object

equals

public boolean equals(java.lang.Object o)

Indicates whether some other object is "equal to" this one.

Overrides:

equals in class Ownership

Parameters:

o - the object to test for equality

Returns:

true if this object is the same as the given one; false otherwise.

readExternal

public void readExternal(java.io.DataInput in)
                  throws java.io.IOException

Restore the contents of this object by loading the object's state from the passed DataInput object.

Specified by:

readExternal in interface ExternalizableLite

Overrides:

readExternal in class Ownership

Parameters:

in - the DataInput stream to read data from in order to restore the state of this object

Throws:

java.io.IOException - if an I/O exception occurs

java.io.NotActiveException - if the object is not in its initial state, and therefore cannot be deserialized into

writeExternal

public void writeExternal(java.io.DataOutput out)
                   throws java.io.IOException

Save the contents of this object by storing the object's state into the passed DataOutput object.

Specified by:

writeExternal in interface ExternalizableLite

Overrides:

writeExternal in class Ownership

Parameters:

out - the DataOutput stream to write the state of this object to

Throws:

java.io.IOException - if an I/O exception occurs

readExternal

public void readExternal(PofReader in)
                  throws java.io.IOException

Restore the contents of a user type instance by reading its state using the specified PofReader object.

Specified by:

readExternal in interface PortableObject

Overrides:

readExternal in class Ownership

Parameters:

in - the PofReader from which to read the object's state

Throws:

java.io.IOException - if an I/O error occurs

writeExternal

public void writeExternal(PofWriter out)
                   throws java.io.IOException

Save the contents of a POF user type instance by writing its state using the specified PofWriter object.

Specified by:

writeExternal in interface PortableObject

Overrides:

writeExternal in class Ownership

Parameters:

out - the PofWriter to which to write the object's state

Throws:

java.io.IOException - if an I/O error occurs

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