Package org.elasticsearch.xpack.esql.datasources.metadata

Class DataSourceMetadata

java.lang.Object

org.elasticsearch.cluster.AbstractNamedDiffable<Metadata.ProjectCustom>

org.elasticsearch.xpack.esql.datasources.metadata.DataSourceMetadata

All Implemented Interfaces:

Diffable<Metadata.ProjectCustom>, Metadata.MetadataCustom<Metadata.ProjectCustom>, Metadata.ProjectCustom, NamedDiffable<Metadata.ProjectCustom>, NamedWriteable, VersionedNamedWriteable, Writeable, ChunkedToXContent

public final class DataSourceMetadata
extends AbstractNamedDiffable<Metadata.ProjectCustom>
implements Metadata.ProjectCustom

Encapsulates data source definitions as custom metadata inside ProjectMetadata within cluster state.

Nested Class Summary

Nested classes/interfaces inherited from interface org.elasticsearch.common.io.stream.Writeable

Writeable.Reader<V>, Writeable.Writer<V>

Field Summary

Fields

Modifier and Type	Field	Description
static final DataSourceMetadata	EMPTY
static final List<NamedWriteableRegistry.Entry>	ENTRIES
static final String	TYPE

Constructor Summary

Constructors

Constructor	Description
DataSourceMetadata(Map<String,DataSource> dataSources)

Method Summary

Modifier and Type	Method	Description
EnumSet<Metadata.XContentContext>	context()
Map<String,DataSource>	dataSources()
boolean	equals(Object o)
static DataSourceMetadata	fromXContent(XContentParser parser)
DataSource	get(String name)
static DataSourceMetadata	get(ProjectMetadata project)
TransportVersion	getMinimalSupportedVersion()
String	getWriteableName()
int	hashCode()
static DataSourceMetadata	readFromStream(StreamInput in)
String	toString()
Iterator<? extends ToXContent>	toXContentChunked(ToXContent.Params ignored)
void	writeTo(StreamOutput out)

Methods inherited from class org.elasticsearch.cluster.AbstractNamedDiffable

diff, get, readDiffFrom

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.elasticsearch.common.xcontent.ChunkedToXContent

isFragment, toXContentChunked, toXContentChunkedV8

Methods inherited from interface org.elasticsearch.cluster.Diffable

diff

Methods inherited from interface org.elasticsearch.cluster.metadata.Metadata.MetadataCustom

isRestorable

Methods inherited from interface org.elasticsearch.common.io.stream.VersionedNamedWriteable

supportsVersion

Field Details

TYPE

public static final String TYPE

See Also:

• Constant Field Values

ENTRIES

public static final List<NamedWriteableRegistry.Entry> ENTRIES

EMPTY

public static final DataSourceMetadata EMPTY

Constructor Details

DataSourceMetadata

public DataSourceMetadata(Map<String,DataSource> dataSources)

Method Details

fromXContent

public static DataSourceMetadata fromXContent(XContentParser parser)
                                       throws IOException

Throws:

IOException

readFromStream

public static DataSourceMetadata readFromStream(StreamInput in)
                                         throws IOException

Throws:

IOException

dataSources

public Map<String,DataSource> dataSources()

get

@Nullable
public DataSource get(String name)

context

public EnumSet<Metadata.XContentContext> context()

Specified by:

context in interface Metadata.MetadataCustom<Metadata.ProjectCustom>

getMinimalSupportedVersion

public TransportVersion getMinimalSupportedVersion()

Specified by:

getMinimalSupportedVersion in interface VersionedNamedWriteable

getWriteableName

public String getWriteableName()

Specified by:

getWriteableName in interface NamedWriteable

Specified by:

getWriteableName in interface VersionedNamedWriteable

writeTo

public void writeTo(StreamOutput out)
             throws IOException

Specified by:

writeTo in interface Writeable

Throws:

IOException

toXContentChunked

public Iterator<? extends ToXContent> toXContentChunked(ToXContent.Params ignored)

Specified by:

toXContentChunked in interface ChunkedToXContent

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

get

public static DataSourceMetadata get(ProjectMetadata project)