com.hazelcast.cp.internal

Class CPGroupInfo

java.lang.Object

com.hazelcast.cp.internal.CPGroupInfo

All Implemented Interfaces:

CPGroup, DataSerializable, IdentifiedDataSerializable

public final class CPGroupInfo
extends Object
implements CPGroup, IdentifiedDataSerializable

Contains metadata information for Raft groups, such as group id, group members, etc. Maintained within the Metadata Raft group.

Nested Class Summary

Nested classes/interfaces inherited from interface com.hazelcast.cp.CPGroup

CPGroup.CPGroupStatus

Field Summary

Fields inherited from interface com.hazelcast.cp.CPGroup

DEFAULT_GROUP_NAME, METADATA_CP_GROUP_NAME

Constructor Summary

Constructors

Constructor and Description
CPGroupInfo()
CPGroupInfo(RaftGroupId id, Collection<CPMemberInfo> members)

Method Summary

Modifier and Type	Method and Description
boolean	applyMembershipChange(CPMemberInfo leaving, CPMemberInfo joining, long expectedMembersCommitIndex, long newMembersCommitIndex)
boolean	containsMember(CPMemberInfo member)
boolean	forceSetDestroyed()
int	getFactoryId() Returns DataSerializableFactory factory ID for this class.
int	getId() Returns type identifier for this class.
long	getMembersCommitIndex()
RaftGroupId	id() Returns unique id of the CP group
int	initialMemberCount()
Collection<CPMember>	initialMembers()
int	memberCount()
Collection<CPMemberInfo>	memberImpls()
Collection<CPMember>	members() Returns current members of the CP group
CPMemberInfo[]	membersArray()
String	name()
void	readData(ObjectDataInput in) Reads fields from the input stream
boolean	setDestroyed()
boolean	setDestroying()
CPGroup.CPGroupStatus	status() Returns status of the CP group
String	toString()
void	writeData(ObjectDataOutput out) Writes object fields to output stream

Methods inherited from class java.lang.Object

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

Constructor Detail

CPGroupInfo

public CPGroupInfo()

CPGroupInfo

public CPGroupInfo(RaftGroupId id,
                   Collection<CPMemberInfo> members)

Method Detail

id

public RaftGroupId id()

Description copied from interface: CPGroup

Returns unique id of the CP group

Specified by:

id in interface CPGroup

name

public String name()

initialMemberCount

public int initialMemberCount()

members

public Collection<CPMember> members()

Description copied from interface: CPGroup

Returns current members of the CP group

Specified by:

members in interface CPGroup

memberImpls

public Collection<CPMemberInfo> memberImpls()

initialMembers

public Collection<CPMember> initialMembers()

containsMember

public boolean containsMember(CPMemberInfo member)

memberCount

public int memberCount()

status

public CPGroup.CPGroupStatus status()

Description copied from interface: CPGroup

Returns status of the CP group

Specified by:

status in interface CPGroup

setDestroying

public boolean setDestroying()

setDestroyed

public boolean setDestroyed()

forceSetDestroyed

public boolean forceSetDestroyed()

getMembersCommitIndex

public long getMembersCommitIndex()

applyMembershipChange

public boolean applyMembershipChange(CPMemberInfo leaving,
                                     CPMemberInfo joining,
                                     long expectedMembersCommitIndex,
                                     long newMembersCommitIndex)

membersArray

public CPMemberInfo[] membersArray()

writeData

public void writeData(ObjectDataOutput out)
               throws IOException

Description copied from interface: DataSerializable

Writes object fields to output stream

Specified by:

writeData in interface DataSerializable

Parameters:

out - output

Throws:

IOException - if an I/O error occurs. In particular, an IOException may be thrown if the output stream has been closed.

readData

public void readData(ObjectDataInput in)
              throws IOException

Description copied from interface: DataSerializable

Reads fields from the input stream

Specified by:

readData in interface DataSerializable

Parameters:

in - input

Throws:

IOException - if an I/O error occurs. In particular, an IOException may be thrown if the input stream has been closed.

getFactoryId

public int getFactoryId()

Description copied from interface: IdentifiedDataSerializable

Returns DataSerializableFactory factory ID for this class.

Specified by:

getFactoryId in interface IdentifiedDataSerializable

Returns:

factory ID

getId

public int getId()

Description copied from interface: IdentifiedDataSerializable

Returns type identifier for this class. It should be unique per DataSerializableFactory.

Specified by:

getId in interface IdentifiedDataSerializable

Returns:

type ID

toString

public String toString()

Overrides:

toString in class Object