Package org.elasticsearch.cluster.metadata

Class MetaData

    • Field Detail

      • UNKNOWN_CLUSTER_UUID

        public static final java.lang.String UNKNOWN_CLUSTER_UUID
        See Also:
        Constant Field Values

      • API_ONLY

        public static java.util.EnumSet<MetaData.XContentContext> API_ONLY
        Indicates that this custom metadata will be returned as part of an API call but will not be persisted

      • API_AND_GATEWAY

        public static java.util.EnumSet<MetaData.XContentContext> API_AND_GATEWAY
        Indicates that this custom metadata will be returned as part of an API call and will be persisted between node restarts, but will not be a part of a snapshot global state

      • API_AND_SNAPSHOT

        public static java.util.EnumSet<MetaData.XContentContext> API_AND_SNAPSHOT
        Indicates that this custom metadata will be returned as part of an API call and stored as a part of a snapshot global state, but will not be persisted between node restarts

      • ALL_CONTEXTS

        public static java.util.EnumSet<MetaData.XContentContext> ALL_CONTEXTS
        Indicates that this custom metadata will be returned as part of an API call, stored as a part of a snapshot global state, and will be persisted between node restarts

      • SETTING_CLUSTER_MAX_SHARDS_PER_NODE

        public static final Setting<java.lang.Integer> SETTING_CLUSTER_MAX_SHARDS_PER_NODE

      • SETTING_READ_ONLY_SETTING

        public static final Setting<java.lang.Boolean> SETTING_READ_ONLY_SETTING

      • CLUSTER_READ_ONLY_BLOCK

        public static final ClusterBlock CLUSTER_READ_ONLY_BLOCK

      • SETTING_READ_ONLY_ALLOW_DELETE_SETTING

        public static final Setting<java.lang.Boolean> SETTING_READ_ONLY_ALLOW_DELETE_SETTING

      • CLUSTER_READ_ONLY_ALLOW_DELETE_BLOCK

        public static final ClusterBlock CLUSTER_READ_ONLY_ALLOW_DELETE_BLOCK

      • EMPTY_META_DATA

        public static final MetaData EMPTY_META_DATA

      • CONTEXT_MODE_PARAM

        public static final java.lang.String CONTEXT_MODE_PARAM
        See Also:
        Constant Field Values

      • CONTEXT_MODE_SNAPSHOT

        public static final java.lang.String CONTEXT_MODE_SNAPSHOT

      • CONTEXT_MODE_GATEWAY

        public static final java.lang.String CONTEXT_MODE_GATEWAY

      • GLOBAL_STATE_FILE_PREFIX

        public static final java.lang.String GLOBAL_STATE_FILE_PREFIX
        See Also:
        Constant Field Values

    • Method Detail

      • version

        public long version()

      • clusterUUID

        public java.lang.String clusterUUID()

      • clusterUUIDCommitted

        public boolean clusterUUIDCommitted()
        Whether the current node with the given cluster state is locked into the cluster with the UUID returned by clusterUUID(), meaning that it will not accept any cluster state with a different clusterUUID.

      • settings

        public Settings settings()
        Returns the merged transient and persistent settings.

      • transientSettings

        public Settings transientSettings()

      • persistentSettings

        public Settings persistentSettings()

      • hasAlias

        public boolean hasAlias​(java.lang.String alias)

      • equalsAliases

        public boolean equalsAliases​(MetaData other)

      • getAliasAndIndexLookup

        public java.util.SortedMap<java.lang.String,​AliasOrIndex> getAliasAndIndexLookup()

      • findAllAliases

        public ImmutableOpenMap<java.lang.String,​java.util.List<AliasMetaData>> findAllAliases​(java.lang.String[] concreteIndices)
        Finds the specific index aliases that point to the requested concrete indices directly or that match with the indices via wildcards.
        Parameters:
        concreteIndices - The concrete indices that the aliases must point to in order to be returned.
        Returns:
        A map of index name to the list of aliases metadata. If a concrete index does not have matching aliases then the result will not include the index's key.

      • findAliases

        public ImmutableOpenMap<java.lang.String,​java.util.List<AliasMetaData>> findAliases​(AliasesRequest aliasesRequest,
                                                                                          java.lang.String[] concreteIndices)
        Finds the specific index aliases that match with the specified aliases directly or partially via wildcards, and that point to the specified concrete indices (directly or matching indices via wildcards).
        Parameters:
        aliasesRequest - The request to find aliases for
        concreteIndices - The concrete indices that the aliases must point to in order to be returned.
        Returns:
        A map of index name to the list of aliases metadata. If a concrete index does not have matching aliases then the result will not include the index's key.

      • hasAliases

        public boolean hasAliases​(java.lang.String[] aliases,
                          java.lang.String[] concreteIndices)
        Checks if at least one of the specified aliases exists in the specified concrete indices. Wildcards are supported in the alias names for partial matches.
        Parameters:
        aliases - The names of the index aliases to find
        concreteIndices - The concrete indexes the index aliases must point to order to be returned.
        Returns:
        whether at least one of the specified aliases exists in one of the specified concrete indices.

      • findMappings

        public ImmutableOpenMap<java.lang.String,​ImmutableOpenMap<java.lang.String,​MappingMetaData>> findMappings​(java.lang.String[] concreteIndices,
                                                                                                                      java.lang.String[] types,
                                                                                                                      java.util.function.Function<java.lang.String,​java.util.function.Predicate<java.lang.String>> fieldFilter)
                                                                                                               throws java.io.IOException
        Finds all mappings for types and concrete indices. Types are expanded to include all types that match the glob patterns in the types array. Empty types array, null or {"_all"} will be expanded to all types available for the given indices. Only fields that match the provided field filter will be returned (default is a predicate that always returns true, which can be overridden via plugins)
        Throws:
        java.io.IOException
        See Also:
        MapperPlugin.getFieldFilter()

      • getConcreteAllIndices

        public java.lang.String[] getConcreteAllIndices()
        Returns all the concrete indices.

      • getConcreteAllOpenIndices

        public java.lang.String[] getConcreteAllOpenIndices()

      • getConcreteAllClosedIndices

        public java.lang.String[] getConcreteAllClosedIndices()

      • resolveWriteIndexRouting

        public java.lang.String resolveWriteIndexRouting​(@Nullable
                                                 java.lang.String routing,
                                                 java.lang.String aliasOrIndex)
        Returns indexing routing for the given aliasOrIndex. Resolves routing from the alias metadata used in the write index.

      • resolveIndexRouting

        public java.lang.String resolveIndexRouting​(@Nullable
                                            java.lang.String routing,
                                            java.lang.String aliasOrIndex)
        Returns indexing routing for the given index.

      • hasIndex

        public boolean hasIndex​(java.lang.String index)

      • hasConcreteIndex

        public boolean hasConcreteIndex​(java.lang.String index)

      • hasIndexMetaData

        public boolean hasIndexMetaData​(IndexMetaData indexMetaData)
        Returns true iff existing index has the same IndexMetaData instance

      • indexGraveyard

        public IndexGraveyard indexGraveyard()
        The collection of index deletions in the cluster.

      • custom

        public <T extends MetaData.Custom> T custom​(java.lang.String type)

      • getTotalNumberOfShards

        public int getTotalNumberOfShards()
        Gets the total number of shards from all indices, including replicas and closed indices.
        Returns:
        The total number shards from all indices.

      • getTotalOpenIndexShards

        public int getTotalOpenIndexShards()
        Gets the total number of open shards from all indices. Includes replicas, but does not include shards that are part of closed indices.
        Returns:
        The total number of open shards from all indices.

      • isAllTypes

        public static boolean isAllTypes​(java.lang.String[] types)
        Identifies whether the array containing type names given as argument refers to all types The empty or null array identifies all types
        Parameters:
        types - the array containing types
        Returns:
        true if the provided array maps to all types, false otherwise

      • isExplicitAllType

        public static boolean isExplicitAllType​(java.lang.String[] types)
        Identifies whether the array containing type names given as argument explicitly refers to all types The empty or null array doesn't explicitly map to all types
        Parameters:
        types - the array containing index names
        Returns:
        true if the provided array explicitly maps to all types, false otherwise

      • routingRequired

        public boolean routingRequired​(java.lang.String concreteIndex)
        Parameters:
        concreteIndex - The concrete index to check if routing is required
        Returns:
        Whether routing is required according to the mapping for the specified index and type

      • iterator

        public java.util.Iterator<IndexMetaData> iterator()
        Specified by:
        iterator in interface java.lang.Iterable<IndexMetaData>

      • isGlobalStateEquals

        public static boolean isGlobalStateEquals​(MetaData metaData1,
                                          MetaData metaData2)

      • diff

        public Diff<MetaData> diff​(MetaData previousState)
        Description copied from interface: Diffable
        Returns serializable object representing differences between this and previousState
        Specified by:
        diff in interface Diffable<MetaData>

      • readDiffFrom

        public static Diff<MetaData> readDiffFrom​(StreamInput in)
                                   throws java.io.IOException
        Throws:
        java.io.IOException

      • fromXContent

        public static MetaData fromXContent​(XContentParser parser)
                             throws java.io.IOException
        Throws:
        java.io.IOException

      • readFrom

        public static MetaData readFrom​(StreamInput in)
                         throws java.io.IOException
        Throws:
        java.io.IOException