Class Group

java.lang.Object
com.google.protobuf.AbstractMessageLite
com.google.protobuf.AbstractMessage
com.google.protobuf.GeneratedMessageV3
com.google.spanner.v1.Group
All Implemented Interfaces:
com.google.protobuf.Message, com.google.protobuf.MessageLite, com.google.protobuf.MessageLiteOrBuilder, com.google.protobuf.MessageOrBuilder, GroupOrBuilder, Serializable

public final class Group extends com.google.protobuf.GeneratedMessageV3 implements GroupOrBuilder
 A `Group` represents a paxos group in a database. A group is a set of
 tablets that are replicated across multiple servers. Groups may have a leader
 tablet. Groups store one (or sometimes more) ranges of keys.
 
Protobuf type google.spanner.v1.Group
See Also:
  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Class
    Description
    static final class 
    A `Group` represents a paxos group in a database.

    Nested classes/interfaces inherited from class com.google.protobuf.GeneratedMessageV3

    com.google.protobuf.GeneratedMessageV3.BuilderParent, com.google.protobuf.GeneratedMessageV3.ExtendableBuilder<MessageT extends com.google.protobuf.GeneratedMessageV3.ExtendableMessage<MessageT>,BuilderT extends com.google.protobuf.GeneratedMessageV3.ExtendableBuilder<MessageT,BuilderT>>, com.google.protobuf.GeneratedMessageV3.ExtendableMessage<MessageT extends com.google.protobuf.GeneratedMessageV3.ExtendableMessage<MessageT>>, com.google.protobuf.GeneratedMessageV3.ExtendableMessageOrBuilder<MessageT extends com.google.protobuf.GeneratedMessageV3.ExtendableMessage<MessageT>>, com.google.protobuf.GeneratedMessageV3.FieldAccessorTable, com.google.protobuf.GeneratedMessageV3.UnusedPrivateParameter

    Nested classes/interfaces inherited from class com.google.protobuf.AbstractMessageLite

    com.google.protobuf.AbstractMessageLite.InternalOneOfEnum
  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final int
     
    static final int
     
    static final int
     
    static final int
     

    Fields inherited from class com.google.protobuf.GeneratedMessageV3

    alwaysUseFieldBuilders, unknownFields

    Fields inherited from class com.google.protobuf.AbstractMessage

    memoizedSize

    Fields inherited from class com.google.protobuf.AbstractMessageLite

    memoizedHashCode
  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
     
    static Group
     
     
    static final com.google.protobuf.Descriptors.Descriptor
     
    com.google.protobuf.ByteString
    `generation` indicates the freshness of the group information (including leader information) contained in this proto.
    long
    The UID of the paxos group, unique within the database.
    int
    The last known leader tablet of the group as an index into `tablets`.
    com.google.protobuf.Parser<Group>
     
    int
     
    getTablets(int index)
    A list of tablets that are part of the group.
    int
    A list of tablets that are part of the group.
    A list of tablets that are part of the group.
    A list of tablets that are part of the group.
    A list of tablets that are part of the group.
    int
     
    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
     
    final boolean
     
     
    newBuilder(Group prototype)
     
     
    protected Group.Builder
    newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent)
     
    protected Object
    newInstance(com.google.protobuf.GeneratedMessageV3.UnusedPrivateParameter unused)
     
    static Group
     
    static Group
    parseDelimitedFrom(InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
     
    static Group
    parseFrom(byte[] data)
     
    static Group
    parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
     
    static Group
    parseFrom(com.google.protobuf.ByteString data)
     
    static Group
    parseFrom(com.google.protobuf.ByteString data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
     
    static Group
    parseFrom(com.google.protobuf.CodedInputStream input)
     
    static Group
    parseFrom(com.google.protobuf.CodedInputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
     
    static Group
     
    static Group
    parseFrom(InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
     
    static Group
     
    static Group
    parseFrom(ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
     
    static com.google.protobuf.Parser<Group>
     
     
    void
    writeTo(com.google.protobuf.CodedOutputStream output)
     

    Methods inherited from class com.google.protobuf.GeneratedMessageV3

    canUseUnsafe, computeStringSize, computeStringSizeNoTag, emptyBooleanList, emptyDoubleList, emptyFloatList, emptyIntList, emptyList, emptyLongList, getAllFields, getDescriptorForType, getField, getOneofFieldDescriptor, getRepeatedField, getRepeatedFieldCount, getUnknownFields, hasField, hasOneof, internalGetMapField, internalGetMapFieldReflection, isStringEmpty, makeExtensionsImmutable, makeMutableCopy, makeMutableCopy, mergeFromAndMakeImmutableInternal, mutableCopy, mutableCopy, mutableCopy, mutableCopy, mutableCopy, newBooleanList, newBuilderForType, newDoubleList, newFloatList, newIntList, newLongList, parseDelimitedWithIOException, parseDelimitedWithIOException, parseUnknownField, parseUnknownFieldProto3, parseWithIOException, parseWithIOException, parseWithIOException, parseWithIOException, serializeBooleanMapTo, serializeIntegerMapTo, serializeLongMapTo, serializeStringMapTo, writeReplace, writeString, writeStringNoTag

    Methods inherited from class com.google.protobuf.AbstractMessage

    findInitializationErrors, getInitializationErrorString, hashBoolean, hashEnum, hashEnumList, hashFields, hashLong, toString

    Methods inherited from class com.google.protobuf.AbstractMessageLite

    addAll, addAll, checkByteStringIsUtf8, toByteArray, toByteString, writeDelimitedTo, writeTo

    Methods inherited from class java.lang.Object

    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

    Methods inherited from interface com.google.protobuf.MessageLite

    toByteArray, toByteString, writeDelimitedTo, writeTo

    Methods inherited from interface com.google.protobuf.MessageOrBuilder

    findInitializationErrors, getAllFields, getDescriptorForType, getField, getInitializationErrorString, getOneofFieldDescriptor, getRepeatedField, getRepeatedFieldCount, getUnknownFields, hasField, hasOneof
  • Field Details

    • GROUP_UID_FIELD_NUMBER

      public static final int GROUP_UID_FIELD_NUMBER
      See Also:
    • TABLETS_FIELD_NUMBER

      public static final int TABLETS_FIELD_NUMBER
      See Also:
    • LEADER_INDEX_FIELD_NUMBER

      public static final int LEADER_INDEX_FIELD_NUMBER
      See Also:
    • GENERATION_FIELD_NUMBER

      public static final int GENERATION_FIELD_NUMBER
      See Also:
  • Method Details

    • newInstance

      protected Object newInstance(com.google.protobuf.GeneratedMessageV3.UnusedPrivateParameter unused)
      Overrides:
      newInstance in class com.google.protobuf.GeneratedMessageV3
    • getDescriptor

      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor()
    • internalGetFieldAccessorTable

      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable internalGetFieldAccessorTable()
      Specified by:
      internalGetFieldAccessorTable in class com.google.protobuf.GeneratedMessageV3
    • getGroupUid

      public long getGroupUid()
       The UID of the paxos group, unique within the database. Matches the
       `group_uid` field in `Range`.
       
      uint64 group_uid = 1;
      Specified by:
      getGroupUid in interface GroupOrBuilder
      Returns:
      The groupUid.
    • getTabletsList

      public List<Tablet> getTabletsList()
       A list of tablets that are part of the group. Note that this list may not
       be exhaustive; it will only include tablets the server considers useful
       to the client. The returned list is ordered ascending by distance.
      
       Tablet UIDs reference `Tablet.tablet_uid`.
       
      repeated .google.spanner.v1.Tablet tablets = 2;
      Specified by:
      getTabletsList in interface GroupOrBuilder
    • getTabletsOrBuilderList

      public List<? extends TabletOrBuilder> getTabletsOrBuilderList()
       A list of tablets that are part of the group. Note that this list may not
       be exhaustive; it will only include tablets the server considers useful
       to the client. The returned list is ordered ascending by distance.
      
       Tablet UIDs reference `Tablet.tablet_uid`.
       
      repeated .google.spanner.v1.Tablet tablets = 2;
      Specified by:
      getTabletsOrBuilderList in interface GroupOrBuilder
    • getTabletsCount

      public int getTabletsCount()
       A list of tablets that are part of the group. Note that this list may not
       be exhaustive; it will only include tablets the server considers useful
       to the client. The returned list is ordered ascending by distance.
      
       Tablet UIDs reference `Tablet.tablet_uid`.
       
      repeated .google.spanner.v1.Tablet tablets = 2;
      Specified by:
      getTabletsCount in interface GroupOrBuilder
    • getTablets

      public Tablet getTablets(int index)
       A list of tablets that are part of the group. Note that this list may not
       be exhaustive; it will only include tablets the server considers useful
       to the client. The returned list is ordered ascending by distance.
      
       Tablet UIDs reference `Tablet.tablet_uid`.
       
      repeated .google.spanner.v1.Tablet tablets = 2;
      Specified by:
      getTablets in interface GroupOrBuilder
    • getTabletsOrBuilder

      public TabletOrBuilder getTabletsOrBuilder(int index)
       A list of tablets that are part of the group. Note that this list may not
       be exhaustive; it will only include tablets the server considers useful
       to the client. The returned list is ordered ascending by distance.
      
       Tablet UIDs reference `Tablet.tablet_uid`.
       
      repeated .google.spanner.v1.Tablet tablets = 2;
      Specified by:
      getTabletsOrBuilder in interface GroupOrBuilder
    • getLeaderIndex

      public int getLeaderIndex()
       The last known leader tablet of the group as an index into `tablets`. May
       be negative if the group has no known leader.
       
      int32 leader_index = 3;
      Specified by:
      getLeaderIndex in interface GroupOrBuilder
      Returns:
      The leaderIndex.
    • getGeneration

      public com.google.protobuf.ByteString getGeneration()
       `generation` indicates the freshness of the group information (including
       leader information) contained in this proto. Generations can be compared
       lexicographically; if generation A is greater than generation B, then the
       `Group` corresponding to A is newer than the `Group` corresponding to B,
       and should be used preferentially.
       
      bytes generation = 4;
      Specified by:
      getGeneration in interface GroupOrBuilder
      Returns:
      The generation.
    • isInitialized

      public final boolean isInitialized()
      Specified by:
      isInitialized in interface com.google.protobuf.MessageLiteOrBuilder
      Overrides:
      isInitialized in class com.google.protobuf.GeneratedMessageV3
    • writeTo

      public void writeTo(com.google.protobuf.CodedOutputStream output) throws IOException
      Specified by:
      writeTo in interface com.google.protobuf.MessageLite
      Overrides:
      writeTo in class com.google.protobuf.GeneratedMessageV3
      Throws:
      IOException
    • getSerializedSize

      public int getSerializedSize()
      Specified by:
      getSerializedSize in interface com.google.protobuf.MessageLite
      Overrides:
      getSerializedSize in class com.google.protobuf.GeneratedMessageV3
    • equals

      public boolean equals(Object obj)
      Specified by:
      equals in interface com.google.protobuf.Message
      Overrides:
      equals in class com.google.protobuf.AbstractMessage
    • hashCode

      public int hashCode()
      Specified by:
      hashCode in interface com.google.protobuf.Message
      Overrides:
      hashCode in class com.google.protobuf.AbstractMessage
    • parseFrom

      public static Group parseFrom(ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException
      Throws:
      com.google.protobuf.InvalidProtocolBufferException
    • parseFrom

      public static Group parseFrom(ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws com.google.protobuf.InvalidProtocolBufferException
      Throws:
      com.google.protobuf.InvalidProtocolBufferException
    • parseFrom

      public static Group parseFrom(com.google.protobuf.ByteString data) throws com.google.protobuf.InvalidProtocolBufferException
      Throws:
      com.google.protobuf.InvalidProtocolBufferException
    • parseFrom

      public static Group parseFrom(com.google.protobuf.ByteString data, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws com.google.protobuf.InvalidProtocolBufferException
      Throws:
      com.google.protobuf.InvalidProtocolBufferException
    • parseFrom

      public static Group parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException
      Throws:
      com.google.protobuf.InvalidProtocolBufferException
    • parseFrom

      public static Group parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws com.google.protobuf.InvalidProtocolBufferException
      Throws:
      com.google.protobuf.InvalidProtocolBufferException
    • parseFrom

      public static Group parseFrom(InputStream input) throws IOException
      Throws:
      IOException
    • parseFrom

      public static Group parseFrom(InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws IOException
      Throws:
      IOException
    • parseDelimitedFrom

      public static Group parseDelimitedFrom(InputStream input) throws IOException
      Throws:
      IOException
    • parseDelimitedFrom

      public static Group parseDelimitedFrom(InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws IOException
      Throws:
      IOException
    • parseFrom

      public static Group parseFrom(com.google.protobuf.CodedInputStream input) throws IOException
      Throws:
      IOException
    • parseFrom

      public static Group parseFrom(com.google.protobuf.CodedInputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws IOException
      Throws:
      IOException
    • newBuilderForType

      public Group.Builder newBuilderForType()
      Specified by:
      newBuilderForType in interface com.google.protobuf.Message
      Specified by:
      newBuilderForType in interface com.google.protobuf.MessageLite
    • newBuilder

      public static Group.Builder newBuilder()
    • newBuilder

      public static Group.Builder newBuilder(Group prototype)
    • toBuilder

      public Group.Builder toBuilder()
      Specified by:
      toBuilder in interface com.google.protobuf.Message
      Specified by:
      toBuilder in interface com.google.protobuf.MessageLite
    • newBuilderForType

      protected Group.Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent)
      Specified by:
      newBuilderForType in class com.google.protobuf.GeneratedMessageV3
    • getDefaultInstance

      public static Group getDefaultInstance()
    • parser

      public static com.google.protobuf.Parser<Group> parser()
    • getParserForType

      public com.google.protobuf.Parser<Group> getParserForType()
      Specified by:
      getParserForType in interface com.google.protobuf.Message
      Specified by:
      getParserForType in interface com.google.protobuf.MessageLite
      Overrides:
      getParserForType in class com.google.protobuf.GeneratedMessageV3
    • getDefaultInstanceForType

      public Group getDefaultInstanceForType()
      Specified by:
      getDefaultInstanceForType in interface com.google.protobuf.MessageLiteOrBuilder
      Specified by:
      getDefaultInstanceForType in interface com.google.protobuf.MessageOrBuilder