Package org.apache.druid.server.coordination

Class BroadcastDatasourceLoadingSpec

java.lang.Object

org.apache.druid.server.coordination.BroadcastDatasourceLoadingSpec

public class BroadcastDatasourceLoadingSpec
extends Object

This class defines the spec for loading of broadcast datasources for a given task. It contains 2 fields:

1. mode: This mode defines whether broadcastDatasources need to be loaded for the given task, or not. It can take 3 values:
• ALL: Load all the broadcast datasources.
• NONE: Load no broadcast datasources.
• ONLY_REQUIRED: Load only the broadcast datasources defined in broadcastDatasourcesToLoad
2. broadcastDatasourcesToLoad: Defines the broadcastDatasources to load when the broadcastDatasourceLoadingMode is set to ONLY_REQUIRED.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	BroadcastDatasourceLoadingSpec.Mode

Field Summary

Fields

Modifier and Type	Field	Description
static final BroadcastDatasourceLoadingSpec	ALL
static final String	CTX_BROADCAST_DATASOURCE_LOADING_MODE
static final String	CTX_BROADCAST_DATASOURCES_TO_LOAD
static final BroadcastDatasourceLoadingSpec	NONE

Method Summary

Modifier and Type	Method	Description
static BroadcastDatasourceLoadingSpec	createFromContext(Map<String,Object> context, BroadcastDatasourceLoadingSpec defaultSpec)
boolean	equals(Object o)
com.google.common.collect.ImmutableSet<String>	getBroadcastDatasourcesToLoad()
BroadcastDatasourceLoadingSpec.Mode	getMode()
int	hashCode()
static BroadcastDatasourceLoadingSpec	loadOnly(Set<String> broadcastDatasourcesToLoad)	Creates a BroadcastSegmentLoadingSpec which loads only the broadcast datasources present in the given set.
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

CTX_BROADCAST_DATASOURCE_LOADING_MODE

public static final String CTX_BROADCAST_DATASOURCE_LOADING_MODE

See Also:

• Constant Field Values

CTX_BROADCAST_DATASOURCES_TO_LOAD

public static final String CTX_BROADCAST_DATASOURCES_TO_LOAD

See Also:

• Constant Field Values

ALL

public static final BroadcastDatasourceLoadingSpec ALL

NONE

public static final BroadcastDatasourceLoadingSpec NONE

Method Details

loadOnly

public static BroadcastDatasourceLoadingSpec loadOnly(Set<String> broadcastDatasourcesToLoad)

Creates a BroadcastSegmentLoadingSpec which loads only the broadcast datasources present in the given set.

getMode

public BroadcastDatasourceLoadingSpec.Mode getMode()

getBroadcastDatasourcesToLoad

public com.google.common.collect.ImmutableSet<String> getBroadcastDatasourcesToLoad()

Returns:

A non-null immutable set of broadcast datasource names when mode is ONLY_REQUIRED, null otherwise.

createFromContext

public static BroadcastDatasourceLoadingSpec createFromContext(Map<String,Object> context,
 BroadcastDatasourceLoadingSpec defaultSpec)

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object