GroupMetadata (JoyQueue-Broker-Kafka 4.2.4-RC2 API)

java.lang.Object
- org.joyqueue.broker.coordinator.group.domain.GroupMetadata
- - org.joyqueue.broker.kafka.coordinator.group.domain.GroupMetadata

```
public class GroupMetadata
extends GroupMetadata
```
GroupMetadata author: gaohaoxiang date: 2018/12/4

构造器概要

构造器
构造器和说明

GroupMetadata(String groupId, String protocolType)

构造器
构造器和说明
`GroupMetadata(String groupId, String protocolType)`

方法概要

所有方法实例方法具体方法
限定符和类型	方法和说明
`void`	`addMember(GroupMemberMetadata member)`
`boolean`	`canRebalance()`
`void`	`clearOffsetCache()`
`Map<String,byte[]>`	`currentMemberMetadata()`
`List<String>`	`getAllMemberIds()`
`List<GroupMemberMetadata>`	`getAllMembers()`
`String`	`getExtension()`
`int`	`getGenerationId()`
`String`	`getLeaderId()`
`int`	`getMaxRebalanceTimeout()`
`GroupMemberMetadata`	`getMember(String memberId)`
`List<GroupMemberMetadata>`	`getNotYetRejoinedMembers()`
`Map<String,Map<Integer,OffsetAndMetadata>>`	`getOffsetCache()`
`OffsetAndMetadata`	`getOffsetCache(String topic, int partition)`
`GroupState`	`getPreState()`
`long`	`getPreStateTimestamp()`
`String`	`getProtocol()`
`String`	`getProtocolType()`
`GroupState`	`getState()`
`boolean`	`initNextGeneration()`
`boolean`	`isHasMember(String memberId)`
`boolean`	`isMemberEmpty()`
`boolean`	`isNewGroup()`
`boolean`	`isNewMemberAdded()`
`void`	`putOffsetCache(String topic, int partition, OffsetAndMetadata offsetAndMetadata)`
`void`	`removeMember(String memberId)`
`OffsetAndMetadata`	`removeOffsetCache(String topic, int partition)`
`void`	`reset()`
`String`	`selectProtocol()`
`void`	`setLeaderId(String leaderId)`
`void`	`setNewMemberAdded(boolean newMemberAdded)`
`boolean`	`stateIs(GroupState groupState)`
`boolean`	`stateNot(GroupState groupState)`
`boolean`	`supportsProtocols(Set<String> memberProtocols)`
`String`	`toString()`
`void`	`transitionStateTo(GroupState groupState)`

从类继承的方法 org.joyqueue.broker.coordinator.group.domain.GroupMetadata
addExpiredMember, addMember, equals, expiredMembersToMap, getExpiredMembers, getHost, getId, getMembers, hashCode, setExpiredMembersMap, setExtension, setId, setMembers

从类继承的方法 java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

构造器详细资料

GroupMetadata

public GroupMetadata(String groupId,
                     String protocolType)

方法详细资料

getState
```
public GroupState getState()
```

getProtocolType
```
public String getProtocolType()
```

getLeaderId
```
public String getLeaderId()
```

getGenerationId
```
public int getGenerationId()
```

getProtocol
```
public String getProtocol()
```

isNewMemberAdded
```
public boolean isNewMemberAdded()
```

setLeaderId

public void setLeaderId(String leaderId)

setNewMemberAdded

public void setNewMemberAdded(boolean newMemberAdded)

getPreState
```
public GroupState getPreState()
```

getPreStateTimestamp
```
public long getPreStateTimestamp()
```

getOffsetCache

public Map<String,Map<Integer,OffsetAndMetadata>> getOffsetCache()

getOffsetCache

public OffsetAndMetadata getOffsetCache(String topic,
                                        int partition)

putOffsetCache

public void putOffsetCache(String topic,
                           int partition,
                           OffsetAndMetadata offsetAndMetadata)

removeOffsetCache

public OffsetAndMetadata removeOffsetCache(String topic,
                                           int partition)

clearOffsetCache
```
public void clearOffsetCache()
```

stateIs

public boolean stateIs(GroupState groupState)

stateNot

public boolean stateNot(GroupState groupState)

isHasMember

public boolean isHasMember(String memberId)

getMember

public GroupMemberMetadata getMember(String memberId)

isNewGroup
```
public boolean isNewGroup()
```

addMember

public void addMember(GroupMemberMetadata member)

removeMember

public void removeMember(String memberId)

isMemberEmpty
```
public boolean isMemberEmpty()
```

getNotYetRejoinedMembers

public List<GroupMemberMetadata> getNotYetRejoinedMembers()

getAllMemberIds
```
public List<String> getAllMemberIds()
```

getAllMembers

public List<GroupMemberMetadata> getAllMembers()

getMaxRebalanceTimeout
```
public int getMaxRebalanceTimeout()
```

canRebalance
```
public boolean canRebalance()
```

transitionStateTo

public void transitionStateTo(GroupState groupState)

getExtension
```
public String getExtension()
```
覆盖:

getExtension 在类中 GroupMetadata

selectProtocol
```
public String selectProtocol()
```

supportsProtocols

public boolean supportsProtocols(Set<String> memberProtocols)

initNextGeneration
```
public boolean initNextGeneration()
```

currentMemberMetadata

public Map<String,byte[]> currentMemberMetadata()

reset
```
public void reset()
```

toString
```
public String toString()
```
覆盖:

toString 在类中 GroupMetadata

类 GroupMetadata

构造器概要

方法概要

从类继承的方法 org.joyqueue.broker.coordinator.group.domain.GroupMetadata

从类继承的方法 java.lang.Object

构造器详细资料

GroupMetadata

方法详细资料

getState

getProtocolType

getLeaderId

getGenerationId

getProtocol

isNewMemberAdded

setLeaderId

setNewMemberAdded

getPreState

getPreStateTimestamp

getOffsetCache

getOffsetCache

putOffsetCache

removeOffsetCache

clearOffsetCache

stateIs

stateNot

isHasMember

getMember

isNewGroup

addMember

removeMember

isMemberEmpty

getNotYetRejoinedMembers

getAllMemberIds

getAllMembers

getMaxRebalanceTimeout

canRebalance

transitionStateTo

getExtension

selectProtocol

supportsProtocols

initNextGeneration

currentMemberMetadata

reset

toString