Class CompositeIndexManager (2.0.0)

public class CompositeIndexManager

Composite index management operations needed by the datastore api.

Inheritance

java.lang.Object > CompositeIndexManager

Inherited Members

Object.clone()

Object.equals(Object)

Object.finalize()

Object.getClass()

Object.hashCode()

Object.notify()

Object.notifyAll()

Object.toString()

Object.wait()

Object.wait(long)

Object.wait(long,int)

Constructors

CompositeIndexManager()

public CompositeIndexManager()

Methods

compositeIndexForQuery(CompositeIndexManager.IndexComponentsOnlyQuery indexOnlyQuery)

protected @Nullable OnestoreEntity.Index compositeIndexForQuery(CompositeIndexManager.IndexComponentsOnlyQuery indexOnlyQuery)

Given a IndexComponentsOnlyQuery, return the Index needed to fulfill the query, or null if no index is needed.

This code needs to remain in sync with its counterparts in other languages. If you modify this code please make sure you make the same update in the local datastore for other languages.

Parameter
Name	Description
indexOnlyQuery	CompositeIndexManager.IndexComponentsOnlyQuery The query.

Returns
Type	Description
@org.checkerframework.checker.nullness.qual.Nullable com.google.storage.onestore.v3.OnestoreEntity.Index	The index that must be present in order to fulfill the query, or null if no index is needed.

generateXmlForIndex(OnestoreEntity.Index index, CompositeIndexManager.IndexSource source)

protected String generateXmlForIndex(OnestoreEntity.Index index, CompositeIndexManager.IndexSource source)

Generate an xml representation of the provided Index.

Parameters
Name	Description
index	com.google.storage.onestore.v3.OnestoreEntity.Index The index for which we want an xml representation.
source	CompositeIndexManager.IndexSource The source of the provided index.

Returns
Type	Description
String	The xml representation of the provided index.

minimumCompositeIndexForQuery(CompositeIndexManager.IndexComponentsOnlyQuery indexOnlyQuery, Collection<OnestoreEntity.Index> indexes)

protected @Nullable OnestoreEntity.Index minimumCompositeIndexForQuery(CompositeIndexManager.IndexComponentsOnlyQuery indexOnlyQuery, Collection<OnestoreEntity.Index> indexes)

Given a IndexComponentsOnlyQuery and a collection of existing Indexs, return the minimum Index needed to fulfill the query, or null if no index is needed.

This code needs to remain in sync with its counterparts in other languages. If you modify this code please make sure you make the same update in the local datastore for other languages.

Parameters
Name	Description
indexOnlyQuery	CompositeIndexManager.IndexComponentsOnlyQuery The query.
indexes	Collection<com.google.storage.onestore.v3.OnestoreEntity.Index> The existing indexes.

Returns
Type	Description
@org.checkerframework.checker.nullness.qual.Nullable com.google.storage.onestore.v3.OnestoreEntity.Index	The minimum index that must be present in order to fulfill the query, or null if no index is needed.